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Daniel Jasperf7935112012-12-03 18:12:45 +00001//===- unittest/Format/FormatTest.cpp - Formatting unit tests -------------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
Manuel Klimek24998102013-01-16 14:55:28 +000010#define DEBUG_TYPE "format-test"
11
Chandler Carruth320d9662012-12-04 09:45:34 +000012#include "clang/Format/Format.h"
Chandler Carruth4b417452013-01-19 08:09:44 +000013#include "clang/Lex/Lexer.h"
14#include "llvm/Support/Debug.h"
15#include "gtest/gtest.h"
Manuel Klimek24998102013-01-16 14:55:28 +000016
Daniel Jasperf7935112012-12-03 18:12:45 +000017namespace clang {
18namespace format {
19
20class FormatTest : public ::testing::Test {
21protected:
22 std::string format(llvm::StringRef Code, unsigned Offset, unsigned Length,
23 const FormatStyle &Style) {
Manuel Klimek24998102013-01-16 14:55:28 +000024 DEBUG(llvm::errs() << "---\n");
Daniel Jasperec04c0d2013-05-16 10:40:07 +000025 std::vector<tooling::Range> Ranges(1, tooling::Range(Offset, Length));
26 tooling::Replacements Replaces = reformat(Style, Code, Ranges);
27 ReplacementCount = Replaces.size();
28 std::string Result = applyAllReplacements(Code, Replaces);
29 EXPECT_NE("", Result);
30 DEBUG(llvm::errs() << "\n" << Result << "\n\n");
31 return Result;
Daniel Jasperf7935112012-12-03 18:12:45 +000032 }
33
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +000034 std::string
35 format(llvm::StringRef Code, const FormatStyle &Style = getLLVMStyle()) {
Daniel Jasperf7935112012-12-03 18:12:45 +000036 return format(Code, 0, Code.size(), Style);
37 }
38
Daniel Jasper3f69a1b2012-12-18 19:56:56 +000039 std::string messUp(llvm::StringRef Code) {
40 std::string MessedUp(Code.str());
41 bool InComment = false;
Manuel Klimek52b15152013-01-09 15:25:02 +000042 bool InPreprocessorDirective = false;
Daniel Jasper3f69a1b2012-12-18 19:56:56 +000043 bool JustReplacedNewline = false;
44 for (unsigned i = 0, e = MessedUp.size() - 1; i != e; ++i) {
45 if (MessedUp[i] == '/' && MessedUp[i + 1] == '/') {
46 if (JustReplacedNewline)
47 MessedUp[i - 1] = '\n';
48 InComment = true;
Daniel Jasper39825ea2013-01-14 15:40:57 +000049 } else if (MessedUp[i] == '#' && (JustReplacedNewline || i == 0)) {
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +000050 if (i != 0)
51 MessedUp[i - 1] = '\n';
Manuel Klimek52b15152013-01-09 15:25:02 +000052 InPreprocessorDirective = true;
Manuel Klimek1abf7892013-01-04 23:34:14 +000053 } else if (MessedUp[i] == '\\' && MessedUp[i + 1] == '\n') {
54 MessedUp[i] = ' ';
Manuel Klimek52b15152013-01-09 15:25:02 +000055 MessedUp[i + 1] = ' ';
Daniel Jasper3f69a1b2012-12-18 19:56:56 +000056 } else if (MessedUp[i] == '\n') {
57 if (InComment) {
58 InComment = false;
Manuel Klimek52b15152013-01-09 15:25:02 +000059 } else if (InPreprocessorDirective) {
60 InPreprocessorDirective = false;
Daniel Jasper3f69a1b2012-12-18 19:56:56 +000061 } else {
62 JustReplacedNewline = true;
63 MessedUp[i] = ' ';
64 }
Manuel Klimek1abf7892013-01-04 23:34:14 +000065 } else if (MessedUp[i] != ' ') {
66 JustReplacedNewline = false;
Daniel Jasper3f69a1b2012-12-18 19:56:56 +000067 }
Daniel Jasperf7935112012-12-03 18:12:45 +000068 }
Daniel Jasper3f69a1b2012-12-18 19:56:56 +000069 return MessedUp;
70 }
71
Manuel Klimekb69e3c62013-01-02 18:33:23 +000072 FormatStyle getLLVMStyleWithColumns(unsigned ColumnLimit) {
73 FormatStyle Style = getLLVMStyle();
74 Style.ColumnLimit = ColumnLimit;
75 return Style;
76 }
77
Daniel Jasper1b750ed2013-01-14 16:24:39 +000078 FormatStyle getGoogleStyleWithColumns(unsigned ColumnLimit) {
79 FormatStyle Style = getGoogleStyle();
80 Style.ColumnLimit = ColumnLimit;
81 return Style;
82 }
83
Manuel Klimekb69e3c62013-01-02 18:33:23 +000084 void verifyFormat(llvm::StringRef Code,
85 const FormatStyle &Style = getLLVMStyle()) {
86 EXPECT_EQ(Code.str(), format(messUp(Code), Style));
Daniel Jasperf7935112012-12-03 18:12:45 +000087 }
88
89 void verifyGoogleFormat(llvm::StringRef Code) {
Manuel Klimekb69e3c62013-01-02 18:33:23 +000090 verifyFormat(Code, getGoogleStyle());
Daniel Jasperf7935112012-12-03 18:12:45 +000091 }
Daniel Jasper5b49f472013-01-23 12:10:53 +000092
93 void verifyIndependentOfContext(llvm::StringRef text) {
94 verifyFormat(text);
95 verifyFormat(llvm::Twine("void f() { " + text + " }").str());
96 }
Daniel Jasper7b038a22013-01-30 09:46:12 +000097
98 int ReplacementCount;
Daniel Jasperf7935112012-12-03 18:12:45 +000099};
100
Manuel Klimek52b15152013-01-09 15:25:02 +0000101TEST_F(FormatTest, MessUp) {
102 EXPECT_EQ("1 2 3", messUp("1 2 3"));
103 EXPECT_EQ("1 2 3\n", messUp("1\n2\n3\n"));
104 EXPECT_EQ("a\n//b\nc", messUp("a\n//b\nc"));
105 EXPECT_EQ("a\n#b\nc", messUp("a\n#b\nc"));
106 EXPECT_EQ("a\n#b c d\ne", messUp("a\n#b\\\nc\\\nd\ne"));
107}
108
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000109//===----------------------------------------------------------------------===//
110// Basic function tests.
111//===----------------------------------------------------------------------===//
112
Daniel Jasperf7935112012-12-03 18:12:45 +0000113TEST_F(FormatTest, DoesNotChangeCorrectlyFormatedCode) {
114 EXPECT_EQ(";", format(";"));
115}
116
117TEST_F(FormatTest, FormatsGlobalStatementsAt0) {
118 EXPECT_EQ("int i;", format(" int i;"));
119 EXPECT_EQ("\nint i;", format(" \n\t \r int i;"));
120 EXPECT_EQ("int i;\nint j;", format(" int i; int j;"));
121 EXPECT_EQ("int i;\nint j;", format(" int i;\n int j;"));
122}
123
124TEST_F(FormatTest, FormatsUnwrappedLinesAtFirstFormat) {
125 EXPECT_EQ("int i;", format("int\ni;"));
126}
127
128TEST_F(FormatTest, FormatsNestedBlockStatements) {
Manuel Klimeke7d10a12013-01-10 13:24:24 +0000129 EXPECT_EQ("{\n {\n {}\n }\n}", format("{{{}}}"));
Daniel Jasperf7935112012-12-03 18:12:45 +0000130}
131
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000132TEST_F(FormatTest, FormatsNestedCall) {
133 verifyFormat("Method(f1, f2(f3));");
134 verifyFormat("Method(f1(f2, f3()));");
Daniel Jasper48cb3b92013-01-13 08:19:51 +0000135 verifyFormat("Method(f1(f2, (f3())));");
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000136}
137
Daniel Jasper14556742013-02-07 21:08:36 +0000138TEST_F(FormatTest, NestedNameSpecifiers) {
Daniel Jasper736c14f2013-01-16 07:19:28 +0000139 verifyFormat("vector< ::Type> v;");
Daniel Jasper14556742013-02-07 21:08:36 +0000140 verifyFormat("::ns::SomeFunction(::ns::SomeOtherFunction())");
Daniel Jasper736c14f2013-01-16 07:19:28 +0000141}
142
Daniel Jasper7b038a22013-01-30 09:46:12 +0000143TEST_F(FormatTest, OnlyGeneratesNecessaryReplacements) {
144 EXPECT_EQ("if (a) {\n"
145 " f();\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +0000146 "}",
147 format("if(a){f();}"));
Daniel Jasper7b038a22013-01-30 09:46:12 +0000148 EXPECT_EQ(4, ReplacementCount);
149 EXPECT_EQ("if (a) {\n"
150 " f();\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +0000151 "}",
152 format("if (a) {\n"
153 " f();\n"
154 "}"));
Daniel Jasper7b038a22013-01-30 09:46:12 +0000155 EXPECT_EQ(0, ReplacementCount);
156}
157
Daniel Jasper24570102013-02-14 09:58:41 +0000158TEST_F(FormatTest, RemovesTrailingWhitespaceOfFormattedLine) {
159 EXPECT_EQ("int a;\nint b;", format("int a; \nint b;", 0, 0, getLLVMStyle()));
Daniel Jaspera79064a2013-03-01 18:11:39 +0000160 EXPECT_EQ("int a;", format("int a; "));
161 EXPECT_EQ("int a;\n", format("int a; \n \n \n "));
162 EXPECT_EQ("int a;\nint b; ",
163 format("int a; \nint b; ", 0, 0, getLLVMStyle()));
Daniel Jasper24570102013-02-14 09:58:41 +0000164}
165
Daniel Jasper973c9422013-03-04 13:43:19 +0000166TEST_F(FormatTest, FormatsCorrectRegionForLeadingWhitespace) {
167 EXPECT_EQ("int b;\nint a;",
168 format("int b;\n int a;", 7, 0, getLLVMStyle()));
169 EXPECT_EQ("int b;\n int a;",
170 format("int b;\n int a;", 6, 0, getLLVMStyle()));
171
172 EXPECT_EQ("#define A \\\n"
173 " int a; \\\n"
174 " int b;",
175 format("#define A \\\n"
176 " int a; \\\n"
177 " int b;",
178 26, 0, getLLVMStyleWithColumns(12)));
179 EXPECT_EQ("#define A \\\n"
180 " int a; \\\n"
181 " int b;",
182 format("#define A \\\n"
183 " int a; \\\n"
184 " int b;",
185 25, 0, getLLVMStyleWithColumns(12)));
186}
187
Daniel Jasperf71cf3b2013-03-07 20:50:00 +0000188TEST_F(FormatTest, RemovesWhitespaceWhenTriggeredOnEmptyLine) {
189 EXPECT_EQ("int a;\n\n int b;",
190 format("int a;\n \n\n int b;", 7, 0, getLLVMStyle()));
191 EXPECT_EQ("int a;\n\n int b;",
192 format("int a;\n \n\n int b;", 9, 0, getLLVMStyle()));
193}
194
Daniel Jasper55d7ba62013-02-18 13:08:03 +0000195TEST_F(FormatTest, ReformatsMovedLines) {
196 EXPECT_EQ(
197 "template <typename T> T *getFETokenInfo() const {\n"
198 " return static_cast<T *>(FETokenInfo);\n"
199 "}\n"
200 " int a; // <- Should not be formatted",
201 format(
202 "template<typename T>\n"
203 "T *getFETokenInfo() const { return static_cast<T*>(FETokenInfo); }\n"
204 " int a; // <- Should not be formatted",
205 9, 5, getLLVMStyle()));
206}
207
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000208//===----------------------------------------------------------------------===//
209// Tests for control statements.
210//===----------------------------------------------------------------------===//
211
Daniel Jaspercdd06622013-05-14 10:31:09 +0000212TEST_F(FormatTest, FormatIfWithoutCompoundStatement) {
Daniel Jasper1b750ed2013-01-14 16:24:39 +0000213 verifyFormat("if (true)\n f();\ng();");
214 verifyFormat("if (a)\n if (b)\n if (c)\n g();\nh();");
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000215 verifyFormat("if (a)\n if (b) {\n f();\n }\ng();");
Daniel Jasperced17f82013-01-16 15:44:34 +0000216
Daniel Jasper3a685df2013-05-16 12:12:21 +0000217 FormatStyle AllowsMergedIf = getLLVMStyle();
Daniel Jasperced17f82013-01-16 15:44:34 +0000218 AllowsMergedIf.AllowShortIfStatementsOnASingleLine = true;
219 verifyFormat("if (a)\n"
220 " // comment\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +0000221 " f();",
222 AllowsMergedIf);
Daniel Jasper3a685df2013-05-16 12:12:21 +0000223 verifyFormat("if (a)\n"
224 " ;",
225 AllowsMergedIf);
226 verifyFormat("if (a)\n"
227 " if (b) return;",
228 AllowsMergedIf);
Daniel Jasperced17f82013-01-16 15:44:34 +0000229
Daniel Jasper3a685df2013-05-16 12:12:21 +0000230 verifyFormat("if (a) // Can't merge this\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +0000231 " f();\n",
232 AllowsMergedIf);
Daniel Jasperced17f82013-01-16 15:44:34 +0000233 verifyFormat("if (a) /* still don't merge */\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +0000234 " f();",
235 AllowsMergedIf);
Daniel Jasper3a685df2013-05-16 12:12:21 +0000236 verifyFormat("if (a) { // Never merge this\n"
Daniel Jasperced17f82013-01-16 15:44:34 +0000237 " f();\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +0000238 "}",
239 AllowsMergedIf);
Daniel Jasperced17f82013-01-16 15:44:34 +0000240 verifyFormat("if (a) { /* Never merge this */\n"
241 " f();\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +0000242 "}",
243 AllowsMergedIf);
Daniel Jasperced17f82013-01-16 15:44:34 +0000244
Daniel Jasper12f9d8e2013-05-14 09:30:02 +0000245 EXPECT_EQ("if (a) return;", format("if(a)\nreturn;", 7, 1, AllowsMergedIf));
Daniel Jasper3a685df2013-05-16 12:12:21 +0000246 EXPECT_EQ("if (a) return; // comment",
Daniel Jaspercdd06622013-05-14 10:31:09 +0000247 format("if(a)\nreturn; // comment", 20, 1, AllowsMergedIf));
Daniel Jasper12f9d8e2013-05-14 09:30:02 +0000248
Daniel Jasperced17f82013-01-16 15:44:34 +0000249 AllowsMergedIf.ColumnLimit = 14;
250 verifyFormat("if (a) return;", AllowsMergedIf);
Daniel Jasper3e9218e2013-01-14 16:02:06 +0000251 verifyFormat("if (aaaaaaaaa)\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +0000252 " return;",
253 AllowsMergedIf);
Daniel Jasperced17f82013-01-16 15:44:34 +0000254
255 AllowsMergedIf.ColumnLimit = 13;
256 verifyFormat("if (a)\n return;", AllowsMergedIf);
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000257}
258
Daniel Jasper3a685df2013-05-16 12:12:21 +0000259TEST_F(FormatTest, FormatLoopsWithoutCompoundStatement) {
260 FormatStyle AllowsMergedLoops = getLLVMStyle();
261 AllowsMergedLoops.AllowShortLoopsOnASingleLine = true;
262 verifyFormat("while (true) continue;", AllowsMergedLoops);
263 verifyFormat("for (;;) continue;", AllowsMergedLoops);
264 verifyFormat("for (int &v : vec) v *= 2;", AllowsMergedLoops);
265 verifyFormat("while (true)\n"
266 " ;",
267 AllowsMergedLoops);
268 verifyFormat("for (;;)\n"
269 " ;",
270 AllowsMergedLoops);
271 verifyFormat("for (;;)\n"
272 " for (;;) continue;",
273 AllowsMergedLoops);
274 verifyFormat("for (;;) // Can't merge this\n"
275 " continue;",
276 AllowsMergedLoops);
277 verifyFormat("for (;;) /* still don't merge */\n"
278 " continue;",
279 AllowsMergedLoops);
280}
281
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000282TEST_F(FormatTest, ParseIfElse) {
283 verifyFormat("if (true)\n"
284 " if (true)\n"
285 " if (true)\n"
286 " f();\n"
287 " else\n"
288 " g();\n"
289 " else\n"
290 " h();\n"
291 "else\n"
292 " i();");
293 verifyFormat("if (true)\n"
294 " if (true)\n"
295 " if (true) {\n"
Daniel Jasper1b750ed2013-01-14 16:24:39 +0000296 " if (true)\n"
297 " f();\n"
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000298 " } else {\n"
299 " g();\n"
300 " }\n"
301 " else\n"
302 " h();\n"
303 "else {\n"
304 " i();\n"
305 "}");
306}
307
308TEST_F(FormatTest, ElseIf) {
Manuel Klimeka4fe1c12013-01-21 16:42:44 +0000309 verifyFormat("if (a) {\n} else if (b) {\n}");
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000310 verifyFormat("if (a)\n"
311 " f();\n"
312 "else if (b)\n"
313 " g();\n"
314 "else\n"
315 " h();");
316}
317
Daniel Jasperf7935112012-12-03 18:12:45 +0000318TEST_F(FormatTest, FormatsForLoop) {
319 verifyFormat(
320 "for (int VeryVeryLongLoopVariable = 0; VeryVeryLongLoopVariable < 10;\n"
Alexander Kornienko37d6c942012-12-05 15:06:06 +0000321 " ++VeryVeryLongLoopVariable)\n"
322 " ;");
323 verifyFormat("for (;;)\n"
324 " f();");
Manuel Klimeka4fe1c12013-01-21 16:42:44 +0000325 verifyFormat("for (;;) {\n}");
Alexander Kornienko37d6c942012-12-05 15:06:06 +0000326 verifyFormat("for (;;) {\n"
327 " f();\n"
328 "}");
Daniel Jasper72463d32013-05-03 14:50:50 +0000329 verifyFormat("for (int i = 0; (i < 10); ++i) {\n}");
Daniel Jasperfbde69e2012-12-21 14:37:20 +0000330
331 verifyFormat(
332 "for (std::vector<UnwrappedLine>::iterator I = UnwrappedLines.begin(),\n"
333 " E = UnwrappedLines.end();\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +0000334 " I != E; ++I) {\n}");
Daniel Jasperfbde69e2012-12-21 14:37:20 +0000335
336 verifyFormat(
337 "for (MachineFun::iterator IIII = PrevIt, EEEE = F.end(); IIII != EEEE;\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +0000338 " ++IIIII) {\n}");
Daniel Jaspera628c982013-04-03 13:36:17 +0000339 verifyFormat("for (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaa =\n"
340 " aaaaaaaaaaaaaaaa.aaaaaaaaaaaaaaa;\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +0000341 " aaaaaaaaaaa != aaaaaaaaaaaaaaaaaaa; ++aaaaaaaaaaa) {\n}");
Daniel Jasper37905f72013-02-21 15:00:29 +0000342 verifyFormat("for (llvm::ArrayRef<NamedDecl *>::iterator\n"
343 " I = FD->getDeclsInPrototypeScope().begin(),\n"
344 " E = FD->getDeclsInPrototypeScope().end();\n"
345 " I != E; ++I) {\n}");
Daniel Jasper48c62f92013-01-28 17:30:17 +0000346
347 // FIXME: Not sure whether we want extra identation in line 3 here:
348 verifyFormat(
349 "for (aaaaaaaaaaaaaaaaa aaaaaaaaaaa = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;\n"
350 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa !=\n"
Daniel Jasperd1ae3582013-03-20 12:37:50 +0000351 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
352 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);\n"
Daniel Jasper48c62f92013-01-28 17:30:17 +0000353 " ++aaaaaaaaaaa) {\n}");
Daniel Jasper2cf17bf2013-02-27 09:47:53 +0000354 verifyFormat("for (int aaaaaaaaaaa = 1; aaaaaaaaaaa <= bbbbbbbbbbbbbbb;\n"
355 " aaaaaaaaaaa++, bbbbbbbbbbbbbbbbb++) {\n"
356 "}");
Daniel Jaspera628c982013-04-03 13:36:17 +0000357 verifyFormat("for (some_namespace::SomeIterator iter( // force break\n"
358 " aaaaaaaaaa);\n"
359 " iter; ++iter) {\n"
360 "}");
Daniel Jasperf7f13c02013-02-04 07:30:30 +0000361
Daniel Jasper2cf17bf2013-02-27 09:47:53 +0000362 FormatStyle NoBinPacking = getLLVMStyle();
363 NoBinPacking.BinPackParameters = false;
364 verifyFormat("for (int aaaaaaaaaaa = 1;\n"
365 " aaaaaaaaaaa <= aaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaa,\n"
366 " aaaaaaaaaaaaaaaa,\n"
367 " aaaaaaaaaaaaaaaa,\n"
368 " aaaaaaaaaaaaaaaa);\n"
369 " aaaaaaaaaaa++, bbbbbbbbbbbbbbbbb++) {\n"
370 "}",
371 NoBinPacking);
372 verifyFormat(
Daniel Jaspercd8599e2013-02-23 21:01:55 +0000373 "for (std::vector<UnwrappedLine>::iterator I = UnwrappedLines.begin(),\n"
374 " E = UnwrappedLines.end();\n"
375 " I != E;\n"
Daniel Jasper2cf17bf2013-02-27 09:47:53 +0000376 " ++I) {\n}",
377 NoBinPacking);
Daniel Jasperf7935112012-12-03 18:12:45 +0000378}
379
Daniel Jasper0b41cbb2013-01-28 13:21:16 +0000380TEST_F(FormatTest, RangeBasedForLoops) {
381 verifyFormat("for (auto aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa :\n"
382 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}");
383 verifyFormat("for (auto aaaaaaaaaaaaaaaaaaaaa :\n"
384 " aaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaa, aaaaaaaaaaaaa)) {\n}");
Daniel Jasper16b35622013-02-26 13:18:08 +0000385 verifyFormat("for (const aaaaaaaaaaaaaaaaaaaaa &aaaaaaaaa :\n"
386 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}");
Daniel Jasper0b41cbb2013-01-28 13:21:16 +0000387}
388
Daniel Jasperf7935112012-12-03 18:12:45 +0000389TEST_F(FormatTest, FormatsWhileLoop) {
Manuel Klimeka4fe1c12013-01-21 16:42:44 +0000390 verifyFormat("while (true) {\n}");
Alexander Kornienko37d6c942012-12-05 15:06:06 +0000391 verifyFormat("while (true)\n"
392 " f();");
Manuel Klimeka4fe1c12013-01-21 16:42:44 +0000393 verifyFormat("while () {\n}");
Alexander Kornienko37d6c942012-12-05 15:06:06 +0000394 verifyFormat("while () {\n"
395 " f();\n"
396 "}");
Daniel Jasperf7935112012-12-03 18:12:45 +0000397}
398
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000399TEST_F(FormatTest, FormatsDoWhile) {
400 verifyFormat("do {\n"
401 " do_something();\n"
402 "} while (something());");
403 verifyFormat("do\n"
404 " do_something();\n"
405 "while (something());");
Daniel Jasperf7935112012-12-03 18:12:45 +0000406}
407
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000408TEST_F(FormatTest, FormatsSwitchStatement) {
Daniel Jasperf7935112012-12-03 18:12:45 +0000409 verifyFormat("switch (x) {\n"
410 "case 1:\n"
411 " f();\n"
412 " break;\n"
413 "case kFoo:\n"
414 "case ns::kBar:\n"
415 "case kBaz:\n"
416 " break;\n"
417 "default:\n"
418 " g();\n"
419 " break;\n"
420 "}");
421 verifyFormat("switch (x) {\n"
422 "case 1: {\n"
423 " f();\n"
424 " break;\n"
425 "}\n"
426 "}");
Nico Webera5510af2013-01-18 05:50:57 +0000427 verifyFormat("switch (x) {\n"
428 "case 1: {\n"
429 " f();\n"
430 " {\n"
431 " g();\n"
432 " h();\n"
433 " }\n"
434 " break;\n"
435 "}\n"
436 "}");
437 verifyFormat("switch (x) {\n"
438 "case 1: {\n"
439 " f();\n"
440 " if (foo) {\n"
441 " g();\n"
442 " h();\n"
443 " }\n"
444 " break;\n"
445 "}\n"
446 "}");
447 verifyFormat("switch (x) {\n"
448 "case 1: {\n"
449 " f();\n"
450 " g();\n"
451 "} break;\n"
452 "}");
Daniel Jasperf7935112012-12-03 18:12:45 +0000453 verifyFormat("switch (test)\n"
454 " ;");
Daniel Jasper18104652013-03-12 12:26:55 +0000455 verifyFormat("switch (x) {\n"
456 "default: {\n"
457 " // Do nothing.\n"
Manuel Klimek1a18c402013-04-12 14:13:36 +0000458 "}\n"
Daniel Jasper18104652013-03-12 12:26:55 +0000459 "}");
Daniel Jasper0f8ed9e2013-03-13 15:53:12 +0000460 verifyFormat("switch (x) {\n"
Daniel Jasperb67cc422013-04-09 17:46:55 +0000461 "// comment\n"
Daniel Jasper0f8ed9e2013-03-13 15:53:12 +0000462 "// if 1, do f()\n"
463 "case 1:\n"
464 " f();\n"
465 "}");
Daniel Jasper2bd32ca2013-03-19 18:33:58 +0000466 verifyFormat("switch (x) {\n"
467 "case 1:\n"
468 " // Do amazing stuff\n"
469 " {\n"
470 " f();\n"
471 " g();\n"
472 " }\n"
473 " break;\n"
474 "}");
Daniel Jaspera1275122013-03-20 10:23:53 +0000475 verifyFormat("#define A \\\n"
476 " switch (x) { \\\n"
477 " case a: \\\n"
478 " foo = b; \\\n"
479 " }", getLLVMStyleWithColumns(20));
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +0000480
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000481 verifyGoogleFormat("switch (x) {\n"
482 " case 1:\n"
483 " f();\n"
484 " break;\n"
485 " case kFoo:\n"
486 " case ns::kBar:\n"
487 " case kBaz:\n"
488 " break;\n"
489 " default:\n"
490 " g();\n"
491 " break;\n"
492 "}");
493 verifyGoogleFormat("switch (x) {\n"
494 " case 1: {\n"
495 " f();\n"
496 " break;\n"
497 " }\n"
498 "}");
499 verifyGoogleFormat("switch (test)\n"
500 " ;");
Daniel Jasperf7935112012-12-03 18:12:45 +0000501}
502
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000503TEST_F(FormatTest, FormatsLabels) {
Daniel Jasperf7935112012-12-03 18:12:45 +0000504 verifyFormat("void f() {\n"
505 " some_code();\n"
506 "test_label:\n"
507 " some_other_code();\n"
508 " {\n"
509 " some_more_code();\n"
510 " another_label:\n"
511 " some_more_code();\n"
512 " }\n"
513 "}");
514 verifyFormat("some_code();\n"
515 "test_label:\n"
516 "some_other_code();");
517}
518
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000519//===----------------------------------------------------------------------===//
520// Tests for comments.
521//===----------------------------------------------------------------------===//
522
523TEST_F(FormatTest, UnderstandsSingleLineComments) {
Daniel Jasper55213652013-03-22 10:01:29 +0000524 verifyFormat("//* */");
Daniel Jasper3f69a1b2012-12-18 19:56:56 +0000525 verifyFormat("// line 1\n"
526 "// line 2\n"
Manuel Klimeke7d10a12013-01-10 13:24:24 +0000527 "void f() {}\n");
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000528
Daniel Jasper3f69a1b2012-12-18 19:56:56 +0000529 verifyFormat("void f() {\n"
530 " // Doesn't do anything\n"
531 "}");
Daniel Jasperaa701fa2013-01-18 08:44:07 +0000532 verifyFormat("void f(int i, // some comment (probably for i)\n"
533 " int j, // some comment (probably for j)\n"
Daniel Jasper942ee722013-01-13 16:10:20 +0000534 " int k); // some comment (probably for k)");
535 verifyFormat("void f(int i,\n"
536 " // some comment (probably for j)\n"
537 " int j,\n"
538 " // some comment (probably for k)\n"
539 " int k);");
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000540
Daniel Jasperaa701fa2013-01-18 08:44:07 +0000541 verifyFormat("int i // This is a fancy variable\n"
542 " = 5; // with nicely aligned comment.");
543
544 verifyFormat("// Leading comment.\n"
545 "int a; // Trailing comment.");
546 verifyFormat("int a; // Trailing comment\n"
547 " // on 2\n"
548 " // or 3 lines.\n"
549 "int b;");
550 verifyFormat("int a; // Trailing comment\n"
551 "\n"
552 "// Leading comment.\n"
553 "int b;");
554 verifyFormat("int a; // Comment.\n"
555 " // More details.\n"
556 "int bbbb; // Another comment.");
557 verifyFormat(
558 "int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa; // comment\n"
559 "int bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; // comment\n"
560 "int cccccccccccccccccccccccccccccc; // comment\n"
561 "int ddd; // looooooooooooooooooooooooong comment\n"
562 "int aaaaaaaaaaaaaaaaaaaaaaa; // comment\n"
563 "int bbbbbbbbbbbbbbbbbbbbb; // comment\n"
564 "int ccccccccccccccccccc; // comment");
565
Daniel Jasper997b08c2013-01-18 09:19:33 +0000566 verifyFormat("#include \"a\" // comment\n"
567 "#include \"a/b/c\" // comment");
568 verifyFormat("#include <a> // comment\n"
569 "#include <a/b/c> // comment");
Manuel Klimek5c24cca2013-05-23 10:56:37 +0000570 EXPECT_EQ("#include \\\n"
571 " \"a\" // comment\n"
572 "#include \"a/b/c\" // comment",
573 format("#include \\\n"
574 " \"a\" // comment\n"
575 "#include \"a/b/c\" // comment"));
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000576
Daniel Jasper3f69a1b2012-12-18 19:56:56 +0000577 verifyFormat("enum E {\n"
578 " // comment\n"
Daniel Jasper5ad1e192013-01-07 11:09:06 +0000579 " VAL_A, // comment\n"
Daniel Jasper3f69a1b2012-12-18 19:56:56 +0000580 " VAL_B\n"
581 "};");
Daniel Jaspere25509f2012-12-17 11:29:41 +0000582
583 verifyFormat(
584 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n"
Daniel Jasper5ad1e192013-01-07 11:09:06 +0000585 " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; // Trailing comment");
Daniel Jasperd8bb2db2013-01-09 09:33:39 +0000586 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n"
587 " // Comment inside a statement.\n"
588 " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;");
Daniel Jasper38396592013-02-06 15:23:09 +0000589 verifyFormat(
590 "bool aaaaaaaaaaaaa = // comment\n"
591 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
592 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
Manuel Klimekc74d2922013-01-07 08:54:53 +0000593
Daniel Jasper525264c2013-02-13 19:25:54 +0000594 verifyFormat("int aaaa; // aaaaa\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +0000595 "int aa; // aaaaaaa",
596 getLLVMStyleWithColumns(20));
Daniel Jasper525264c2013-02-13 19:25:54 +0000597
Daniel Jasper304a9862013-01-21 22:49:20 +0000598 EXPECT_EQ("void f() { // This does something ..\n"
599 "}\n"
600 "int a; // This is unrelated",
601 format("void f() { // This does something ..\n"
602 " }\n"
603 "int a; // This is unrelated"));
604 EXPECT_EQ("void f() { // This does something ..\n"
605 "} // awesome..\n"
606 "\n"
607 "int a; // This is unrelated",
608 format("void f() { // This does something ..\n"
609 " } // awesome..\n"
610 " \n"
611 "int a; // This is unrelated"));
612
Daniel Jasper5ad1e192013-01-07 11:09:06 +0000613 EXPECT_EQ("int i; // single line trailing comment",
Manuel Klimekc74d2922013-01-07 08:54:53 +0000614 format("int i;\\\n// single line trailing comment"));
Daniel Jasper5ad1e192013-01-07 11:09:06 +0000615
616 verifyGoogleFormat("int a; // Trailing comment.");
Daniel Jasperddaa9be2013-01-29 19:41:55 +0000617
618 verifyFormat("someFunction(anotherFunction( // Force break.\n"
619 " parameter));");
Daniel Jaspera885dbe2013-02-05 09:34:14 +0000620
621 verifyGoogleFormat("#endif // HEADER_GUARD");
Daniel Jasperf79f9352013-02-06 22:04:05 +0000622
623 verifyFormat("const char *test[] = {\n"
624 " // A\n"
625 " \"aaaa\",\n"
626 " // B\n"
627 " \"aaaaa\",\n"
628 "};");
Daniel Jaspereef30492013-02-11 12:36:37 +0000629 verifyGoogleFormat(
630 "aaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
631 " aaaaaaaaaaaaaaaaaaaaaa); // 81 cols with this comment");
Alexander Kornienkob1be9d62013-04-03 12:38:53 +0000632 EXPECT_EQ("D(a, {\n"
633 " // test\n"
634 " int a;\n"
635 "});",
636 format("D(a, {\n"
637 "// test\n"
638 "int a;\n"
639 "});"));
Manuel Klimekc5730802013-05-23 11:42:52 +0000640
641 EXPECT_EQ("lineWith(); // comment\n"
642 "// at start\n"
643 "otherLine();",
644 format("lineWith(); // comment\n"
645 "// at start\n"
646 "otherLine();"));
647 EXPECT_EQ("lineWith(); // comment\n"
648 " // at start\n"
649 "otherLine();",
650 format("lineWith(); // comment\n"
651 " // at start\n"
652 "otherLine();"));
Manuel Klimekb27375f2013-05-23 19:54:43 +0000653
654 EXPECT_EQ("lineWith(); // comment\n"
655 "// at start\n"
656 "otherLine(); // comment",
657 format("lineWith(); // comment\n"
658 "// at start\n"
659 "otherLine(); // comment"));
Manuel Klimek75ef31f2013-05-23 20:46:07 +0000660 EXPECT_EQ("lineWith();\n"
661 "// at start\n"
662 "otherLine(); // comment",
663 format("lineWith();\n"
664 " // at start\n"
665 "otherLine(); // comment"));
666 EXPECT_EQ("// first\n"
667 "// at start\n"
668 "otherLine(); // comment",
669 format("// first\n"
670 " // at start\n"
671 "otherLine(); // comment"));
672 EXPECT_EQ("f();\n"
673 "// first\n"
674 "// at start\n"
675 "otherLine(); // comment",
676 format("f();\n"
677 "// first\n"
678 " // at start\n"
679 "otherLine(); // comment"));
Daniel Jaspere25509f2012-12-17 11:29:41 +0000680}
681
Daniel Jasperbc0fa392013-03-22 16:25:51 +0000682TEST_F(FormatTest, CanFormatCommentsLocally) {
683 EXPECT_EQ("int a; // comment\n"
684 "int b; // comment",
685 format("int a; // comment\n"
686 "int b; // comment",
687 0, 0, getLLVMStyle()));
688 EXPECT_EQ("int a; // comment\n"
689 " // line 2\n"
690 "int b;",
691 format("int a; // comment\n"
692 " // line 2\n"
693 "int b;",
694 28, 0, getLLVMStyle()));
Daniel Jasper770eb7c2013-04-24 06:33:59 +0000695 EXPECT_EQ("int aaaaaa; // comment\n"
696 "int b;\n"
697 "int c; // unrelated comment",
698 format("int aaaaaa; // comment\n"
699 "int b;\n"
700 "int c; // unrelated comment",
701 31, 0, getLLVMStyle()));
Daniel Jasperbc0fa392013-03-22 16:25:51 +0000702}
703
Daniel Jasper3324cbe2013-03-01 16:45:59 +0000704TEST_F(FormatTest, RemovesTrailingWhitespaceOfComments) {
705 EXPECT_EQ("// comment", format("// comment "));
706 EXPECT_EQ("int aaaaaaa, bbbbbbb; // comment",
707 format("int aaaaaaa, bbbbbbb; // comment ",
708 getLLVMStyleWithColumns(33)));
709}
710
Daniel Jaspere25509f2012-12-17 11:29:41 +0000711TEST_F(FormatTest, UnderstandsMultiLineComments) {
Alexander Kornienko578fdd82012-12-06 18:03:27 +0000712 verifyFormat("f(/*test=*/ true);");
Daniel Jasper11cb81c2013-01-17 12:53:34 +0000713 EXPECT_EQ(
714 "f(aaaaaaaaaaaaaaaaaaaaaaaaa, /* Trailing comment for aa... */\n"
715 " bbbbbbbbbbbbbbbbbbbbbbbbb);",
Alexander Kornienko9e90b622013-04-17 17:34:05 +0000716 format("f(aaaaaaaaaaaaaaaaaaaaaaaaa , \\\n/* Trailing comment for aa... */\n"
Daniel Jasper11cb81c2013-01-17 12:53:34 +0000717 " bbbbbbbbbbbbbbbbbbbbbbbbb);"));
718 EXPECT_EQ(
719 "f(aaaaaaaaaaaaaaaaaaaaaaaaa,\n"
720 " /* Leading comment for bb... */ bbbbbbbbbbbbbbbbbbbbbbbbb);",
721 format("f(aaaaaaaaaaaaaaaaaaaaaaaaa , \n"
722 "/* Leading comment for bb... */ bbbbbbbbbbbbbbbbbbbbbbbbb);"));
Daniel Jasperddaa9be2013-01-29 19:41:55 +0000723
Daniel Jasper2cf17bf2013-02-27 09:47:53 +0000724 FormatStyle NoBinPacking = getLLVMStyle();
725 NoBinPacking.BinPackParameters = false;
726 verifyFormat("aaaaaaaa(/* parameter 1 */ aaaaaa,\n"
727 " /* parameter 2 */ aaaaaa,\n"
728 " /* parameter 3 */ aaaaaa,\n"
729 " /* parameter 4 */ aaaaaa);",
730 NoBinPacking);
Daniel Jasper11cb81c2013-01-17 12:53:34 +0000731}
732
Alexander Kornienkodd8ed852013-03-14 16:10:54 +0000733TEST_F(FormatTest, AlignsMultiLineComments) {
734 EXPECT_EQ("/*\n"
735 " * Really multi-line\n"
736 " * comment.\n"
737 " */\n"
738 "void f() {}",
739 format(" /*\n"
740 " * Really multi-line\n"
741 " * comment.\n"
742 " */\n"
743 " void f() {}"));
Alexander Kornienkodd8ed852013-03-14 16:10:54 +0000744 EXPECT_EQ("class C {\n"
745 " /*\n"
746 " * Another multi-line\n"
747 " * comment.\n"
748 " */\n"
749 " void f() {}\n"
750 "};",
751 format("class C {\n"
752 "/*\n"
753 " * Another multi-line\n"
754 " * comment.\n"
755 " */\n"
756 "void f() {}\n"
757 "};"));
Alexander Kornienko79d6c722013-03-15 13:42:02 +0000758 EXPECT_EQ("/*\n"
759 " 1. This is a comment with non-trivial formatting.\n"
760 " 1.1. We have to indent/outdent all lines equally\n"
761 " 1.1.1. to keep the formatting.\n"
762 " */",
763 format(" /*\n"
764 " 1. This is a comment with non-trivial formatting.\n"
765 " 1.1. We have to indent/outdent all lines equally\n"
766 " 1.1.1. to keep the formatting.\n"
767 " */"));
768 EXPECT_EQ("/*\n"
Manuel Klimek9043c742013-05-27 15:23:34 +0000769 "Don't try to outdent if there's not enough inentation.\n"
770 "*/",
Alexander Kornienko79d6c722013-03-15 13:42:02 +0000771 format(" /*\n"
772 " Don't try to outdent if there's not enough inentation.\n"
773 " */"));
Manuel Klimek281dcbe2013-05-28 08:55:01 +0000774
775 EXPECT_EQ("int i; /* Comment with empty...\n"
776 " *\n"
777 " * line. */",
778 format("int i; /* Comment with empty...\n"
779 " *\n"
780 " * line. */"));
Alexander Kornienkodd8ed852013-03-14 16:10:54 +0000781}
782
Alexander Kornienkoffd6d042013-03-27 11:52:18 +0000783TEST_F(FormatTest, SplitsLongCxxComments) {
784 EXPECT_EQ("// A comment that\n"
785 "// doesn't fit on\n"
786 "// one line",
787 format("// A comment that doesn't fit on one line",
788 getLLVMStyleWithColumns(20)));
Alexander Kornienko9e90b622013-04-17 17:34:05 +0000789 EXPECT_EQ("// a b c d\n"
790 "// e f g\n"
791 "// h i j k",
792 format("// a b c d e f g h i j k",
793 getLLVMStyleWithColumns(10)));
794 EXPECT_EQ("// a b c d\n"
795 "// e f g\n"
796 "// h i j k",
797 format("\\\n// a b c d e f g h i j k",
798 getLLVMStyleWithColumns(10)));
Alexander Kornienkoffd6d042013-03-27 11:52:18 +0000799 EXPECT_EQ("if (true) // A comment that\n"
800 " // doesn't fit on\n"
801 " // one line",
802 format("if (true) // A comment that doesn't fit on one line ",
803 getLLVMStyleWithColumns(30)));
804 EXPECT_EQ("// Don't_touch_leading_whitespace",
805 format("// Don't_touch_leading_whitespace",
806 getLLVMStyleWithColumns(20)));
807 EXPECT_EQ(
808 "//Don't add leading\n"
809 "//whitespace",
810 format("//Don't add leading whitespace", getLLVMStyleWithColumns(20)));
Alexander Kornienkoefd98382013-03-28 18:40:55 +0000811 EXPECT_EQ("// A comment before\n"
812 "// a macro\n"
813 "// definition\n"
814 "#define a b",
815 format("// A comment before a macro definition\n"
816 "#define a b",
817 getLLVMStyleWithColumns(20)));
Manuel Klimek9043c742013-05-27 15:23:34 +0000818
819 EXPECT_EQ("/* A comment before\n"
820 " * a macro\n"
821 " * definition */\n"
822 "#define a b",
823 format("/* A comment before a macro definition */\n"
824 "#define a b",
825 getLLVMStyleWithColumns(20)));
826
827 EXPECT_EQ("/* some comment\n"
828 " * a comment\n"
829 "* that we break\n"
830 " * another comment\n"
831 "* we have to break\n"
832 "* a left comment\n"
833 " */",
834 format(" /* some comment\n"
835 " * a comment that we break\n"
836 " * another comment we have to break\n"
837 "* a left comment\n"
838 " */",
839 getLLVMStyleWithColumns(20)));
840
841 EXPECT_EQ("/*\n"
842 "\n"
843 "\n"
844 " */\n",
845 format(" /* \n"
846 " \n"
847 " \n"
848 " */\n"));
849}
850
851TEST_F(FormatTest, MultiLineCommentsInDefines) {
852 // FIXME: The line breaks are still suboptimal (current guess
853 // is that this is due to the token length being misused), but
854 // the comment handling is correct.
855 EXPECT_EQ("#define A( \\\n"
856 " x) /* \\\n"
857 "a comment \\\n"
858 "inside */ \\\n"
859 " f();",
860 format("#define A(x) /* \\\n"
861 " a comment \\\n"
862 " inside */ \\\n"
863 " f();",
864 getLLVMStyleWithColumns(17)));
865 EXPECT_EQ("#define A(x) /* \\\n"
866 " a \\\n"
867 " comment \\\n"
868 " inside \\\n"
869 " */ \\\n"
870 " f();",
871 format("#define A( \\\n"
872 " x) /* \\\n"
873 " a comment \\\n"
874 " inside */ \\\n"
875 " f();",
876 getLLVMStyleWithColumns(17)));
Alexander Kornienkoffd6d042013-03-27 11:52:18 +0000877}
878
Alexander Kornienkob5dad752013-04-02 13:04:06 +0000879TEST_F(FormatTest, ParsesCommentsAdjacentToPPDirectives) {
Daniel Jasperabca58c2013-05-15 14:09:55 +0000880 EXPECT_EQ("namespace {\n}\n// Test\n#define A",
Alexander Kornienkob5dad752013-04-02 13:04:06 +0000881 format("namespace {}\n // Test\n#define A"));
Daniel Jasperabca58c2013-05-15 14:09:55 +0000882 EXPECT_EQ("namespace {\n}\n/* Test */\n#define A",
Alexander Kornienkob5dad752013-04-02 13:04:06 +0000883 format("namespace {}\n /* Test */\n#define A"));
Daniel Jasperabca58c2013-05-15 14:09:55 +0000884 EXPECT_EQ("namespace {\n}\n/* Test */ #define A",
Alexander Kornienkob5dad752013-04-02 13:04:06 +0000885 format("namespace {}\n /* Test */ #define A"));
886}
887
Alexander Kornienkoafcef332013-03-19 17:41:36 +0000888TEST_F(FormatTest, SplitsLongLinesInComments) {
889 EXPECT_EQ("/* This is a long\n"
Alexander Kornienko547a9f522013-03-21 12:28:10 +0000890 " * comment that\n"
891 " * doesn't\n"
892 " * fit on one line.\n"
893 " */",
Alexander Kornienkoafcef332013-03-19 17:41:36 +0000894 format("/* "
895 "This is a long "
Alexander Kornienko547a9f522013-03-21 12:28:10 +0000896 "comment that "
897 "doesn't "
Alexander Kornienkoafcef332013-03-19 17:41:36 +0000898 "fit on one line. */",
899 getLLVMStyleWithColumns(20)));
Alexander Kornienko9e90b622013-04-17 17:34:05 +0000900 EXPECT_EQ("/* a b c d\n"
901 " * e f g\n"
902 " * h i j k\n"
903 " */",
904 format("/* a b c d e f g h i j k */",
905 getLLVMStyleWithColumns(10)));
906 EXPECT_EQ("/* a b c d\n"
907 " * e f g\n"
908 " * h i j k\n"
909 " */",
910 format("\\\n/* a b c d e f g h i j k */",
911 getLLVMStyleWithColumns(10)));
Alexander Kornienkoafcef332013-03-19 17:41:36 +0000912 EXPECT_EQ("/*\n"
913 "This is a long\n"
914 "comment that doesn't\n"
915 "fit on one line.\n"
916 "*/",
917 format("/*\n"
918 "This is a long "
919 "comment that doesn't "
920 "fit on one line. \n"
921 "*/", getLLVMStyleWithColumns(20)));
922 EXPECT_EQ("/*\n"
923 " * This is a long\n"
924 " * comment that\n"
925 " * doesn't fit on\n"
926 " * one line.\n"
927 " */",
Alexander Kornienko547a9f522013-03-21 12:28:10 +0000928 format("/* \n"
Alexander Kornienkoafcef332013-03-19 17:41:36 +0000929 " * This is a long "
930 " comment that "
931 " doesn't fit on "
932 " one line. \n"
933 " */", getLLVMStyleWithColumns(20)));
934 EXPECT_EQ("/*\n"
935 " * This_is_a_comment_with_words_that_dont_fit_on_one_line\n"
936 " * so_it_should_be_broken\n"
937 " * wherever_a_space_occurs\n"
938 " */",
939 format("/*\n"
940 " * This_is_a_comment_with_words_that_dont_fit_on_one_line "
941 " so_it_should_be_broken "
942 " wherever_a_space_occurs \n"
943 " */",
944 getLLVMStyleWithColumns(20)));
945 EXPECT_EQ("/*\n"
Alexander Kornienkoffd6d042013-03-27 11:52:18 +0000946 " * This_comment_can_not_be_broken_into_lines\n"
Alexander Kornienkoafcef332013-03-19 17:41:36 +0000947 " */",
948 format("/*\n"
Alexander Kornienkoffd6d042013-03-27 11:52:18 +0000949 " * This_comment_can_not_be_broken_into_lines\n"
Alexander Kornienkoafcef332013-03-19 17:41:36 +0000950 " */",
951 getLLVMStyleWithColumns(20)));
952 EXPECT_EQ("{\n"
953 " /*\n"
954 " This is another\n"
955 " long comment that\n"
956 " doesn't fit on one\n"
957 " line 1234567890\n"
958 " */\n"
959 "}",
960 format("{\n"
961 "/*\n"
962 "This is another "
963 " long comment that "
964 " doesn't fit on one"
965 " line 1234567890\n"
966 "*/\n"
967 "}", getLLVMStyleWithColumns(20)));
968 EXPECT_EQ("{\n"
969 " /*\n"
970 " * This i s\n"
971 " * another comment\n"
972 " * t hat doesn' t\n"
973 " * fit on one l i\n"
974 " * n e\n"
975 " */\n"
976 "}",
977 format("{\n"
978 "/*\n"
979 " * This i s"
980 " another comment"
981 " t hat doesn' t"
982 " fit on one l i"
983 " n e\n"
984 " */\n"
985 "}", getLLVMStyleWithColumns(20)));
986 EXPECT_EQ("/*\n"
987 " * This is a long\n"
988 " * comment that\n"
989 " * doesn't fit on\n"
990 " * one line\n"
991 " */",
992 format(" /*\n"
993 " * This is a long comment that doesn't fit on one line\n"
994 " */", getLLVMStyleWithColumns(20)));
Alexander Kornienko547a9f522013-03-21 12:28:10 +0000995 EXPECT_EQ("{\n"
996 " if (something) /* This is a\n"
Manuel Klimek9043c742013-05-27 15:23:34 +0000997 " long\n"
998 " comment */\n"
Alexander Kornienko547a9f522013-03-21 12:28:10 +0000999 " ;\n"
1000 "}",
1001 format("{\n"
1002 " if (something) /* This is a long comment */\n"
1003 " ;\n"
1004 "}",
1005 getLLVMStyleWithColumns(30)));
Alexander Kornienkoafcef332013-03-19 17:41:36 +00001006}
1007
1008TEST_F(FormatTest, SplitsLongLinesInCommentsInPreprocessor) {
1009 EXPECT_EQ("#define X \\\n"
Alexander Kornienko547a9f522013-03-21 12:28:10 +00001010 " /* \\\n"
1011 " Test \\\n"
Alexander Kornienkoafcef332013-03-19 17:41:36 +00001012 " Macro comment \\\n"
1013 " with a long \\\n"
1014 " line \\\n"
Alexander Kornienkocb45bc12013-04-15 14:28:00 +00001015 " */ \\\n"
Alexander Kornienkoafcef332013-03-19 17:41:36 +00001016 " A + B",
1017 format("#define X \\\n"
1018 " /*\n"
Alexander Kornienko547a9f522013-03-21 12:28:10 +00001019 " Test\n"
Alexander Kornienkoafcef332013-03-19 17:41:36 +00001020 " Macro comment with a long line\n"
1021 " */ \\\n"
1022 " A + B",
1023 getLLVMStyleWithColumns(20)));
1024 EXPECT_EQ("#define X \\\n"
1025 " /* Macro comment \\\n"
Alexander Kornienko547a9f522013-03-21 12:28:10 +00001026 " with a long \\\n"
Alexander Kornienkocb45bc12013-04-15 14:28:00 +00001027 " line */ \\\n"
Alexander Kornienko547a9f522013-03-21 12:28:10 +00001028 " A + B",
1029 format("#define X \\\n"
1030 " /* Macro comment with a long\n"
1031 " line */ \\\n"
1032 " A + B",
1033 getLLVMStyleWithColumns(20)));
1034 EXPECT_EQ("#define X \\\n"
1035 " /* Macro comment \\\n"
1036 " * with a long \\\n"
Alexander Kornienkocb45bc12013-04-15 14:28:00 +00001037 " * line */ \\\n"
Alexander Kornienkoafcef332013-03-19 17:41:36 +00001038 " A + B",
1039 format("#define X \\\n"
1040 " /* Macro comment with a long line */ \\\n"
1041 " A + B",
1042 getLLVMStyleWithColumns(20)));
1043}
1044
Daniel Jasper11cb81c2013-01-17 12:53:34 +00001045TEST_F(FormatTest, CommentsInStaticInitializers) {
1046 EXPECT_EQ(
1047 "static SomeType type = { aaaaaaaaaaaaaaaaaaaa, /* comment */\n"
1048 " aaaaaaaaaaaaaaaaaaaa /* comment */,\n"
1049 " /* comment */ aaaaaaaaaaaaaaaaaaaa,\n"
1050 " aaaaaaaaaaaaaaaaaaaa, // comment\n"
1051 " aaaaaaaaaaaaaaaaaaaa };",
1052 format("static SomeType type = { aaaaaaaaaaaaaaaaaaaa , /* comment */\n"
1053 " aaaaaaaaaaaaaaaaaaaa /* comment */ ,\n"
1054 " /* comment */ aaaaaaaaaaaaaaaaaaaa ,\n"
1055 " aaaaaaaaaaaaaaaaaaaa , // comment\n"
1056 " aaaaaaaaaaaaaaaaaaaa };"));
1057 verifyFormat("static SomeType type = { aaaaaaaaaaa, // comment for aa...\n"
1058 " bbbbbbbbbbb, ccccccccccc };");
1059 verifyFormat("static SomeType type = { aaaaaaaaaaa,\n"
1060 " // comment for bb....\n"
1061 " bbbbbbbbbbb, ccccccccccc };");
1062 verifyGoogleFormat(
Daniel Jaspere5777d22013-05-23 10:15:45 +00001063 "static SomeType type = {aaaaaaaaaaa, // comment for aa...\n"
1064 " bbbbbbbbbbb, ccccccccccc};");
1065 verifyGoogleFormat("static SomeType type = {aaaaaaaaaaa,\n"
1066 " // comment for bb....\n"
1067 " bbbbbbbbbbb, ccccccccccc};");
Daniel Jasper11cb81c2013-01-17 12:53:34 +00001068
Daniel Jasper8a8ce242013-01-31 14:59:26 +00001069 verifyFormat("S s = { { a, b, c }, // Group #1\n"
1070 " { d, e, f }, // Group #2\n"
1071 " { g, h, i } }; // Group #3");
1072 verifyFormat("S s = { { // Group #1\n"
1073 " a, b, c },\n"
1074 " { // Group #2\n"
1075 " d, e, f },\n"
1076 " { // Group #3\n"
1077 " g, h, i } };");
Daniel Jasperdc7d5812013-02-20 12:56:39 +00001078
1079 EXPECT_EQ("S s = {\n"
1080 " // Some comment\n"
Daniel Jasperfb5e2412013-02-26 13:10:34 +00001081 " a,\n"
Daniel Jasperdc7d5812013-02-20 12:56:39 +00001082 "\n"
1083 " // Comment after empty line\n"
1084 " b\n"
Daniel Jasperfb5e2412013-02-26 13:10:34 +00001085 "}",
1086 format("S s = {\n"
1087 " // Some comment\n"
1088 " a,\n"
1089 " \n"
1090 " // Comment after empty line\n"
1091 " b\n"
1092 "}"));
1093 EXPECT_EQ("S s = { a, b };", format("S s = {\n"
Daniel Jasper16b35622013-02-26 13:18:08 +00001094 " a,\n"
1095 "\n"
1096 " b\n"
1097 "};"));
Daniel Jaspera400cab2013-02-28 15:04:12 +00001098 verifyFormat("const uint8_t aaaaaaaaaaaaaaaaaaaaaa[0] = {\n"
1099 " 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // comment\n"
1100 " 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // comment\n"
1101 " 0x00, 0x00, 0x00, 0x00 // comment\n"
1102 "};");
Alexander Kornienko578fdd82012-12-06 18:03:27 +00001103}
1104
Alexander Kornienkof2e02122013-05-24 18:24:24 +00001105TEST_F(FormatTest, IgnoresIf0Contents) {
1106 EXPECT_EQ("#if 0\n"
1107 "}{)(&*(^%%#%@! fsadj f;ldjs ,:;| <<<>>>][)(][\n"
1108 "#endif\n"
1109 "void f() {}",
1110 format("#if 0\n"
1111 "}{)(&*(^%%#%@! fsadj f;ldjs ,:;| <<<>>>][)(][\n"
1112 "#endif\n"
1113 "void f( ) { }"));
1114 EXPECT_EQ("#if false\n"
1115 "void f( ) { }\n"
1116 "#endif\n"
1117 "void g() {}\n",
1118 format("#if false\n"
1119 "void f( ) { }\n"
1120 "#endif\n"
1121 "void g( ) { }\n"));
1122 EXPECT_EQ("enum E {\n"
1123 " One,\n"
1124 " Two,\n"
1125 "#if 0\n"
1126 "Three,\n"
1127 " Four,\n"
1128 "#endif\n"
1129 " Five\n"
1130 "};",
1131 format("enum E {\n"
1132 " One,Two,\n"
1133 "#if 0\n"
1134 "Three,\n"
1135 " Four,\n"
1136 "#endif\n"
1137 " Five};"));
1138 EXPECT_EQ("enum F {\n"
1139 " One,\n"
1140 "#if 1\n"
1141 " Two,\n"
1142 "#if 0\n"
1143 "Three,\n"
1144 " Four,\n"
1145 "#endif\n"
1146 " Five\n"
1147 "#endif\n"
1148 "};",
1149 format("enum F {\n"
1150 "One,\n"
1151 "#if 1\n"
1152 "Two,\n"
1153 "#if 0\n"
1154 "Three,\n"
1155 " Four,\n"
1156 "#endif\n"
1157 "Five\n"
1158 "#endif\n"
1159 "};"));
1160 EXPECT_EQ("enum G {\n"
1161 " One,\n"
1162 "#if 0\n"
1163 "Two,\n"
1164 "#else\n"
1165 " Three,\n"
1166 "#endif\n"
1167 " Four\n"
1168 "};",
1169 format("enum G {\n"
1170 "One,\n"
1171 "#if 0\n"
1172 "Two,\n"
1173 "#else\n"
1174 "Three,\n"
1175 "#endif\n"
1176 "Four\n"
1177 "};"));
1178 EXPECT_EQ("enum H {\n"
1179 " One,\n"
1180 "#if 0\n"
1181 "#ifdef Q\n"
1182 "Two,\n"
1183 "#else\n"
1184 "Three,\n"
1185 "#endif\n"
1186 "#endif\n"
1187 " Four\n"
1188 "};",
1189 format("enum H {\n"
1190 "One,\n"
1191 "#if 0\n"
1192 "#ifdef Q\n"
1193 "Two,\n"
1194 "#else\n"
1195 "Three,\n"
1196 "#endif\n"
1197 "#endif\n"
1198 "Four\n"
1199 "};"));
1200 EXPECT_EQ("enum I {\n"
1201 " One,\n"
1202 "#if /* test */ 0 || 1\n"
1203 "Two,\n"
1204 "Three,\n"
1205 "#endif\n"
1206 " Four\n"
1207 "};",
1208 format("enum I {\n"
1209 "One,\n"
1210 "#if /* test */ 0 || 1\n"
1211 "Two,\n"
1212 "Three,\n"
1213 "#endif\n"
1214 "Four\n"
1215 "};"));
1216 EXPECT_EQ("enum J {\n"
1217 " One,\n"
1218 "#if 0\n"
1219 "#if 0\n"
1220 "Two,\n"
1221 "#else\n"
1222 "Three,\n"
1223 "#endif\n"
1224 "Four,\n"
1225 "#endif\n"
1226 " Five\n"
1227 "};",
1228 format("enum J {\n"
1229 "One,\n"
1230 "#if 0\n"
1231 "#if 0\n"
1232 "Two,\n"
1233 "#else\n"
1234 "Three,\n"
1235 "#endif\n"
1236 "Four,\n"
1237 "#endif\n"
1238 "Five\n"
1239 "};"));
1240
1241}
1242
Alexander Kornienko578fdd82012-12-06 18:03:27 +00001243//===----------------------------------------------------------------------===//
1244// Tests for classes, namespaces, etc.
1245//===----------------------------------------------------------------------===//
1246
1247TEST_F(FormatTest, DoesNotBreakSemiAfterClassDecl) {
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00001248 verifyFormat("class A {\n};");
Alexander Kornienko578fdd82012-12-06 18:03:27 +00001249}
1250
1251TEST_F(FormatTest, UnderstandsAccessSpecifiers) {
1252 verifyFormat("class A {\n"
1253 "public:\n"
Daniel Jasperc04baae2013-04-10 09:49:49 +00001254 "public: // comment\n"
Alexander Kornienko578fdd82012-12-06 18:03:27 +00001255 "protected:\n"
1256 "private:\n"
Manuel Klimeke7d10a12013-01-10 13:24:24 +00001257 " void f() {}\n"
Alexander Kornienko578fdd82012-12-06 18:03:27 +00001258 "};");
1259 verifyGoogleFormat("class A {\n"
1260 " public:\n"
1261 " protected:\n"
1262 " private:\n"
Manuel Klimeke7d10a12013-01-10 13:24:24 +00001263 " void f() {}\n"
Alexander Kornienko578fdd82012-12-06 18:03:27 +00001264 "};");
1265}
1266
Alexander Kornienkofd433362013-03-27 17:08:02 +00001267TEST_F(FormatTest, SeparatesLogicalBlocks) {
1268 EXPECT_EQ("class A {\n"
1269 "public:\n"
1270 " void f();\n"
1271 "\n"
1272 "private:\n"
1273 " void g() {}\n"
1274 " // test\n"
1275 "protected:\n"
1276 " int h;\n"
1277 "};",
1278 format("class A {\n"
1279 "public:\n"
1280 "void f();\n"
1281 "private:\n"
1282 "void g() {}\n"
1283 "// test\n"
1284 "protected:\n"
1285 "int h;\n"
1286 "};"));
1287}
1288
Daniel Jasper83193602013-04-05 17:22:09 +00001289TEST_F(FormatTest, FormatsClasses) {
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00001290 verifyFormat("class A : public B {\n};");
1291 verifyFormat("class A : public ::B {\n};");
Daniel Jaspereead02b2013-02-14 08:42:54 +00001292
1293 verifyFormat(
1294 "class AAAAAAAAAAAAAAAAAAAA : public BBBBBBBBBBBBBBBBBBBBBBBBBBBBBB,\n"
1295 " public CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC {\n"
1296 "};\n");
Daniel Jaspera61aefb2013-05-06 06:45:09 +00001297 verifyFormat("class AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\n"
1298 " : public BBBBBBBBBBBBBBBBBBBBBBBBBBBBBB,\n"
1299 " public CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC {\n"
Daniel Jaspereead02b2013-02-14 08:42:54 +00001300 "};\n");
1301 verifyFormat(
1302 "class A : public B, public C, public D, public E, public F, public G {\n"
1303 "};");
1304 verifyFormat("class AAAAAAAAAAAA : public B,\n"
1305 " public C,\n"
1306 " public D,\n"
1307 " public E,\n"
1308 " public F,\n"
1309 " public G {\n"
1310 "};");
Daniel Jasper83193602013-04-05 17:22:09 +00001311
1312 verifyFormat("class\n"
1313 " ReallyReallyLongClassName {\n};",
1314 getLLVMStyleWithColumns(32));
Daniel Jasperf7935112012-12-03 18:12:45 +00001315}
1316
Manuel Klimek28cacc72013-01-07 18:10:23 +00001317TEST_F(FormatTest, FormatsVariableDeclarationsAfterStructOrClass) {
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00001318 verifyFormat("class A {\n} a, b;");
1319 verifyFormat("struct A {\n} a, b;");
1320 verifyFormat("union A {\n} a;");
Manuel Klimek28cacc72013-01-07 18:10:23 +00001321}
1322
Alexander Kornienko578fdd82012-12-06 18:03:27 +00001323TEST_F(FormatTest, FormatsEnum) {
Alexander Kornienkob7076a22012-12-04 14:46:19 +00001324 verifyFormat("enum {\n"
1325 " Zero,\n"
1326 " One = 1,\n"
1327 " Two = One + 1,\n"
1328 " Three = (One + Two),\n"
1329 " Four = (Zero && (One ^ Two)) | (One << Two),\n"
1330 " Five = (One, Two, Three, Four, 5)\n"
1331 "};");
1332 verifyFormat("enum Enum {\n"
1333 "};");
1334 verifyFormat("enum {\n"
1335 "};");
Manuel Klimek2cec0192013-01-21 19:17:52 +00001336 verifyFormat("enum X E {\n} d;");
1337 verifyFormat("enum __attribute__((...)) E {\n} d;");
1338 verifyFormat("enum __declspec__((...)) E {\n} d;");
1339 verifyFormat("enum X f() {\n a();\n return 42;\n}");
Alexander Kornienkob7076a22012-12-04 14:46:19 +00001340}
1341
Nico Weber7769a902013-01-14 05:49:49 +00001342TEST_F(FormatTest, FormatsBitfields) {
1343 verifyFormat("struct Bitfields {\n"
1344 " unsigned sClass : 8;\n"
1345 " unsigned ValueKind : 2;\n"
1346 "};");
1347}
1348
Alexander Kornienko578fdd82012-12-06 18:03:27 +00001349TEST_F(FormatTest, FormatsNamespaces) {
1350 verifyFormat("namespace some_namespace {\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00001351 "class A {\n};\n"
Manuel Klimekf4ab9ef2013-01-11 17:54:10 +00001352 "void f() { f(); }\n"
Alexander Kornienko578fdd82012-12-06 18:03:27 +00001353 "}");
1354 verifyFormat("namespace {\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00001355 "class A {\n};\n"
Manuel Klimekf4ab9ef2013-01-11 17:54:10 +00001356 "void f() { f(); }\n"
Alexander Kornienko578fdd82012-12-06 18:03:27 +00001357 "}");
Dmitri Gribenko58d64e22012-12-30 21:27:25 +00001358 verifyFormat("inline namespace X {\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00001359 "class A {\n};\n"
Manuel Klimekf4ab9ef2013-01-11 17:54:10 +00001360 "void f() { f(); }\n"
Dmitri Gribenko58d64e22012-12-30 21:27:25 +00001361 "}");
Alexander Kornienko578fdd82012-12-06 18:03:27 +00001362 verifyFormat("using namespace some_namespace;\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00001363 "class A {\n};\n"
Manuel Klimekf4ab9ef2013-01-11 17:54:10 +00001364 "void f() { f(); }");
Manuel Klimek046b9302013-02-06 16:08:09 +00001365
1366 // This code is more common than we thought; if we
1367 // layout this correctly the semicolon will go into
1368 // its own line, which is undesireable.
1369 verifyFormat("namespace {\n};");
1370 verifyFormat("namespace {\n"
1371 "class A {\n"
1372 "};\n"
1373 "};");
Alexander Kornienko578fdd82012-12-06 18:03:27 +00001374}
1375
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001376TEST_F(FormatTest, FormatsExternC) { verifyFormat("extern \"C\" {\nint a;"); }
Manuel Klimekae610d12013-01-21 14:32:05 +00001377
Daniel Jasper40aacf42013-03-14 13:45:21 +00001378TEST_F(FormatTest, FormatsInlineASM) {
1379 verifyFormat("asm(\"xyz\" : \"=a\"(a), \"=d\"(b) : \"a\"(data));");
1380 verifyFormat(
1381 "asm(\"movq\\t%%rbx, %%rsi\\n\\t\"\n"
1382 " \"cpuid\\n\\t\"\n"
1383 " \"xchgq\\t%%rbx, %%rsi\\n\\t\"\n"
Daniel Jasper5dad58e2013-05-15 07:51:51 +00001384 " : \"=a\"(*rEAX), \"=S\"(*rEBX), \"=c\"(*rECX), \"=d\"(*rEDX)\n"
Daniel Jasper40aacf42013-03-14 13:45:21 +00001385 " : \"a\"(value));");
1386}
1387
Nico Weberd5650bd2013-01-07 16:36:17 +00001388TEST_F(FormatTest, FormatTryCatch) {
Manuel Klimekf4ab9ef2013-01-11 17:54:10 +00001389 // FIXME: Handle try-catch explicitly in the UnwrappedLineParser, then we'll
1390 // also not create single-line-blocks.
Nico Weberd5650bd2013-01-07 16:36:17 +00001391 verifyFormat("try {\n"
1392 " throw a * b;\n"
1393 "}\n"
1394 "catch (int a) {\n"
1395 " // Do nothing.\n"
1396 "}\n"
1397 "catch (...) {\n"
1398 " exit(42);\n"
1399 "}");
1400
1401 // Function-level try statements.
Manuel Klimekf4ab9ef2013-01-11 17:54:10 +00001402 verifyFormat("int f() try { return 4; }\n"
Nico Weberd5650bd2013-01-07 16:36:17 +00001403 "catch (...) {\n"
1404 " return 5;\n"
1405 "}");
1406 verifyFormat("class A {\n"
1407 " int a;\n"
Manuel Klimeke7d10a12013-01-10 13:24:24 +00001408 " A() try : a(0) {}\n"
Nico Weberd5650bd2013-01-07 16:36:17 +00001409 " catch (...) {\n"
1410 " throw;\n"
1411 " }\n"
1412 "};\n");
1413}
1414
1415TEST_F(FormatTest, FormatObjCTryCatch) {
Manuel Klimek2acb7b72013-01-11 19:17:44 +00001416 verifyFormat("@try {\n"
1417 " f();\n"
1418 "}\n"
1419 "@catch (NSException e) {\n"
1420 " @throw;\n"
1421 "}\n"
1422 "@finally {\n"
1423 " exit(42);\n"
1424 "}");
Nico Weberd5650bd2013-01-07 16:36:17 +00001425}
1426
Daniel Jaspere25509f2012-12-17 11:29:41 +00001427TEST_F(FormatTest, StaticInitializers) {
1428 verifyFormat("static SomeClass SC = { 1, 'a' };");
1429
Daniel Jaspere25509f2012-12-17 11:29:41 +00001430 verifyFormat(
Daniel Jasper206df732013-01-07 13:08:40 +00001431 "static SomeClass WithALoooooooooooooooooooongName = {\n"
Manuel Klimek0ddd57a2013-01-10 15:58:26 +00001432 " 100000000, \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"\n"
1433 "};");
1434
1435 verifyFormat(
1436 "static SomeClass = { a, b, c, d, e, f, g, h, i, j,\n"
1437 " looooooooooooooooooooooooooooooooooongname,\n"
1438 " looooooooooooooooooooooooooooooong };");
Daniel Jasper8a8ce242013-01-31 14:59:26 +00001439 // Allow bin-packing in static initializers as this would often lead to
1440 // terrible results, e.g.:
1441 verifyGoogleFormat(
Daniel Jaspere5777d22013-05-23 10:15:45 +00001442 "static SomeClass = {a, b, c, d, e, f, g, h, i, j,\n"
1443 " looooooooooooooooooooooooooooooooooongname,\n"
1444 " looooooooooooooooooooooooooooooong};");
Daniel Jasper473c62c2013-05-17 09:35:01 +00001445 // Here, everything other than the "}" would fit on a line.
1446 verifyFormat("static int LooooooooooooooooooooooooongVariable[1] = {\n"
1447 " 100000000000000000000000\n"
1448 "};");
1449
1450 // FIXME: This would fit into the column limit if we'd fit "{ {" on the first
1451 // line. However, the formatting looks a bit off and this probably doesn't
1452 // happen often in practice.
1453 verifyFormat("static int Variable[1] = {\n"
1454 " { 1000000000000000000000000000000000000 }\n"
1455 "};",
1456 getLLVMStyleWithColumns(40));
Daniel Jaspere25509f2012-12-17 11:29:41 +00001457}
1458
Daniel Jasperbca4bbe2013-05-28 11:30:49 +00001459TEST_F(FormatTest, DesignatedInitializers) {
1460 verifyFormat("const struct A a = { .a = 1, .b = 2 };");
1461 verifyFormat("const struct A a = { .aaaaaaaaaa = 1,\n"
1462 " .bbbbbbbbbb = 2,\n"
1463 " .cccccccccc = 3,\n"
1464 " .dddddddddd = 4,\n"
1465 " .eeeeeeeeee = 5 };");
1466 verifyFormat("const struct Aaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaa = {\n"
1467 " .aaaaaaaaaaaaaaaaaaaaaaaaaaa = 1,\n"
1468 " .bbbbbbbbbbbbbbbbbbbbbbbbbbb = 2,\n"
1469 " .ccccccccccccccccccccccccccc = 3,\n"
1470 " .ddddddddddddddddddddddddddd = 4,\n"
1471 " .eeeeeeeeeeeeeeeeeeeeeeeeeee = 5\n"
1472 "};");
1473
1474 verifyGoogleFormat("const struct A a = {.a = 1, .b = 2};");
1475}
1476
Manuel Klimeka54d1a92013-01-14 16:41:43 +00001477TEST_F(FormatTest, NestedStaticInitializers) {
1478 verifyFormat("static A x = { { {} } };\n");
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001479 verifyFormat("static A x = { { { init1, init2, init3, init4 },\n"
1480 " { init1, init2, init3, init4 } } };");
Daniel Jasper9278eb92013-01-16 14:59:02 +00001481
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001482 verifyFormat("somes Status::global_reps[3] = {\n"
1483 " { kGlobalRef, OK_CODE, NULL, NULL, NULL },\n"
1484 " { kGlobalRef, CANCELLED_CODE, NULL, NULL, NULL },\n"
1485 " { kGlobalRef, UNKNOWN_CODE, NULL, NULL, NULL }\n"
1486 "};");
Daniel Jaspere5777d22013-05-23 10:15:45 +00001487 verifyGoogleFormat("SomeType Status::global_reps[3] = {\n"
1488 " {kGlobalRef, OK_CODE, NULL, NULL, NULL},\n"
1489 " {kGlobalRef, CANCELLED_CODE, NULL, NULL, NULL},\n"
1490 " {kGlobalRef, UNKNOWN_CODE, NULL, NULL, NULL}\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001491 "};");
Manuel Klimeka54d1a92013-01-14 16:41:43 +00001492 verifyFormat(
1493 "CGRect cg_rect = { { rect.fLeft, rect.fTop },\n"
1494 " { rect.fRight - rect.fLeft, rect.fBottom - rect.fTop"
1495 " } };");
1496
Daniel Jasper8a8ce242013-01-31 14:59:26 +00001497 verifyFormat(
1498 "SomeArrayOfSomeType a = { { { 1, 2, 3 }, { 1, 2, 3 },\n"
1499 " { 111111111111111111111111111111,\n"
1500 " 222222222222222222222222222222,\n"
1501 " 333333333333333333333333333333 },\n"
1502 " { 1, 2, 3 }, { 1, 2, 3 } } };");
Daniel Jasper1ca05cc2013-02-03 18:07:15 +00001503 verifyFormat(
1504 "SomeArrayOfSomeType a = { { { 1, 2, 3 } }, { { 1, 2, 3 } },\n"
1505 " { { 111111111111111111111111111111,\n"
1506 " 222222222222222222222222222222,\n"
1507 " 333333333333333333333333333333 } },\n"
1508 " { { 1, 2, 3 } }, { { 1, 2, 3 } } };");
Daniel Jaspere5777d22013-05-23 10:15:45 +00001509 verifyGoogleFormat(
1510 "SomeArrayOfSomeType a = {{{1, 2, 3}}, {{1, 2, 3}},\n"
1511 " {{111111111111111111111111111111,\n"
1512 " 222222222222222222222222222222,\n"
1513 " 333333333333333333333333333333}},\n"
1514 " {{1, 2, 3}}, {{1, 2, 3}}};");
Daniel Jasper8a8ce242013-01-31 14:59:26 +00001515
Nico Weber250fe712013-01-18 02:43:57 +00001516 // FIXME: We might at some point want to handle this similar to parameter
Manuel Klimeka54d1a92013-01-14 16:41:43 +00001517 // lists, where we have an option to put each on a single line.
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001518 verifyFormat(
1519 "struct {\n"
1520 " unsigned bit;\n"
1521 " const char *const name;\n"
1522 "} kBitsToOs[] = { { kOsMac, \"Mac\" }, { kOsWin, \"Windows\" },\n"
1523 " { kOsLinux, \"Linux\" }, { kOsCrOS, \"Chrome OS\" } };");
Manuel Klimeka54d1a92013-01-14 16:41:43 +00001524}
1525
Manuel Klimeka71e5d82013-01-02 16:30:12 +00001526TEST_F(FormatTest, FormatsSmallMacroDefinitionsInSingleLine) {
1527 verifyFormat("#define ALooooooooooooooooooooooooooooooooooooooongMacro("
1528 " \\\n"
1529 " aLoooooooooooooooooooooooongFuuuuuuuuuuuuuunctiooooooooo)");
1530}
1531
Daniel Jasperda16db32013-01-07 10:48:50 +00001532TEST_F(FormatTest, DoesNotBreakPureVirtualFunctionDefinition) {
Daniel Jaspera628c982013-04-03 13:36:17 +00001533 verifyFormat(
Daniel Jasper6728fc12013-04-11 14:29:13 +00001534 "virtual void write(ELFWriter *writerrr,\n"
1535 " OwningPtr<FileOutputBuffer> &buffer) = 0;");
Daniel Jasperda16db32013-01-07 10:48:50 +00001536}
1537
Manuel Klimek591b5802013-01-31 15:58:48 +00001538TEST_F(FormatTest, LayoutUnknownPPDirective) {
1539 EXPECT_EQ("#123 \"A string literal\"",
1540 format(" # 123 \"A string literal\""));
1541 EXPECT_EQ("#;", format("#;"));
Manuel Klimek78725712013-01-07 10:03:37 +00001542 verifyFormat("#\n;\n;\n;");
Manuel Klimeka71e5d82013-01-02 16:30:12 +00001543}
1544
1545TEST_F(FormatTest, UnescapedEndOfLineEndsPPDirective) {
1546 EXPECT_EQ("#line 42 \"test\"\n",
1547 format("# \\\n line \\\n 42 \\\n \"test\"\n"));
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001548 EXPECT_EQ("#define A B\n", format("# \\\n define \\\n A \\\n B\n",
1549 getLLVMStyleWithColumns(12)));
Manuel Klimeka71e5d82013-01-02 16:30:12 +00001550}
1551
1552TEST_F(FormatTest, EndOfFileEndsPPDirective) {
1553 EXPECT_EQ("#line 42 \"test\"",
1554 format("# \\\n line \\\n 42 \\\n \"test\""));
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001555 EXPECT_EQ("#define A B", format("# \\\n define \\\n A \\\n B"));
Manuel Klimeka71e5d82013-01-02 16:30:12 +00001556}
1557
Manuel Klimekb69e3c62013-01-02 18:33:23 +00001558TEST_F(FormatTest, IndentsPPDirectiveInReducedSpace) {
Daniel Jasperc22f5b42013-02-28 11:05:57 +00001559 verifyFormat("#define A(BB)", getLLVMStyleWithColumns(13));
1560 verifyFormat("#define A( \\\n BB)", getLLVMStyleWithColumns(12));
Manuel Klimekb69e3c62013-01-02 18:33:23 +00001561 verifyFormat("#define A( \\\n A, B)", getLLVMStyleWithColumns(12));
Daniel Jasperc22f5b42013-02-28 11:05:57 +00001562 // FIXME: We never break before the macro name.
1563 verifyFormat("#define AA(\\\n B)", getLLVMStyleWithColumns(12));
Daniel Jasper39825ea2013-01-14 15:40:57 +00001564
1565 verifyFormat("#define A A\n#define A A");
1566 verifyFormat("#define A(X) A\n#define A A");
1567
Daniel Jasperc22f5b42013-02-28 11:05:57 +00001568 verifyFormat("#define Something Other", getLLVMStyleWithColumns(23));
1569 verifyFormat("#define Something \\\n Other", getLLVMStyleWithColumns(22));
Manuel Klimekb69e3c62013-01-02 18:33:23 +00001570}
1571
1572TEST_F(FormatTest, HandlePreprocessorDirectiveContext) {
Alexander Kornienkoefd98382013-03-28 18:40:55 +00001573 EXPECT_EQ("// somecomment\n"
Manuel Klimek1abf7892013-01-04 23:34:14 +00001574 "#include \"a.h\"\n"
Daniel Jasperc22f5b42013-02-28 11:05:57 +00001575 "#define A( \\\n"
1576 " A, B)\n"
Manuel Klimek1abf7892013-01-04 23:34:14 +00001577 "#include \"b.h\"\n"
Alexander Kornienkoffd6d042013-03-27 11:52:18 +00001578 "// somecomment\n",
Alexander Kornienkoefd98382013-03-28 18:40:55 +00001579 format(" // somecomment\n"
Manuel Klimek1abf7892013-01-04 23:34:14 +00001580 " #include \"a.h\"\n"
1581 "#define A(A,\\\n"
1582 " B)\n"
1583 " #include \"b.h\"\n"
Alexander Kornienkoffd6d042013-03-27 11:52:18 +00001584 " // somecomment\n",
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001585 getLLVMStyleWithColumns(13)));
Manuel Klimekb69e3c62013-01-02 18:33:23 +00001586}
1587
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001588TEST_F(FormatTest, LayoutSingleHash) { EXPECT_EQ("#\na;", format("#\na;")); }
Manuel Klimek1abf7892013-01-04 23:34:14 +00001589
1590TEST_F(FormatTest, LayoutCodeInMacroDefinitions) {
1591 EXPECT_EQ("#define A \\\n"
1592 " c; \\\n"
1593 " e;\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001594 "f;",
1595 format("#define A c; e;\n"
1596 "f;",
1597 getLLVMStyleWithColumns(14)));
Manuel Klimek1abf7892013-01-04 23:34:14 +00001598}
1599
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001600TEST_F(FormatTest, LayoutRemainingTokens) { EXPECT_EQ("{}", format("{}")); }
Manuel Klimek1abf7892013-01-04 23:34:14 +00001601
Daniel Jasper1cb530f2013-05-10 13:00:49 +00001602TEST_F(FormatTest, AlwaysFormatsEntireMacroDefinitions) {
1603 EXPECT_EQ("int i;\n"
1604 "#define A \\\n"
1605 " int i; \\\n"
1606 " int j\n"
1607 "int k;",
1608 format("int i;\n"
1609 "#define A \\\n"
1610 " int i ; \\\n"
1611 " int j\n"
1612 "int k;",
1613 8, 0, getGoogleStyle())); // 8: position of "#define".
1614 EXPECT_EQ("int i;\n"
1615 "#define A \\\n"
1616 " int i; \\\n"
1617 " int j\n"
1618 "int k;",
1619 format("int i;\n"
1620 "#define A \\\n"
1621 " int i ; \\\n"
1622 " int j\n"
1623 "int k;",
1624 45, 0, getGoogleStyle())); // 45: position of "j".
Manuel Klimek1abf7892013-01-04 23:34:14 +00001625}
1626
1627TEST_F(FormatTest, MacroDefinitionInsideStatement) {
Manuel Klimek52b15152013-01-09 15:25:02 +00001628 EXPECT_EQ("int x,\n"
1629 "#define A\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001630 " y;",
1631 format("int x,\n#define A\ny;"));
Manuel Klimek1abf7892013-01-04 23:34:14 +00001632}
1633
Manuel Klimek09e07972013-01-05 21:34:55 +00001634TEST_F(FormatTest, HashInMacroDefinition) {
1635 verifyFormat("#define A \\\n b #c;", getLLVMStyleWithColumns(11));
1636 verifyFormat("#define A \\\n"
1637 " { \\\n"
1638 " f(#c);\\\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001639 " }",
1640 getLLVMStyleWithColumns(11));
Daniel Jasper4f397152013-01-08 16:17:54 +00001641
1642 verifyFormat("#define A(X) \\\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001643 " void function##X()",
1644 getLLVMStyleWithColumns(22));
Daniel Jasper4f397152013-01-08 16:17:54 +00001645
1646 verifyFormat("#define A(a, b, c) \\\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001647 " void a##b##c()",
1648 getLLVMStyleWithColumns(22));
Daniel Jasper4f397152013-01-08 16:17:54 +00001649
Daniel Jasper39825ea2013-01-14 15:40:57 +00001650 verifyFormat("#define A void # ## #", getLLVMStyleWithColumns(22));
Manuel Klimek09e07972013-01-05 21:34:55 +00001651}
1652
Manuel Klimekd053c5b2013-01-23 14:37:36 +00001653TEST_F(FormatTest, RespectWhitespaceInMacroDefinitions) {
1654 verifyFormat("#define A (1)");
1655}
1656
Manuel Klimek0c137952013-02-11 12:33:24 +00001657TEST_F(FormatTest, EmptyLinesInMacroDefinitions) {
1658 EXPECT_EQ("#define A b;", format("#define A \\\n"
1659 " \\\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001660 " b;",
1661 getLLVMStyleWithColumns(25)));
Manuel Klimek0c137952013-02-11 12:33:24 +00001662 EXPECT_EQ("#define A \\\n"
1663 " \\\n"
1664 " a; \\\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001665 " b;",
1666 format("#define A \\\n"
1667 " \\\n"
1668 " a; \\\n"
1669 " b;",
1670 getLLVMStyleWithColumns(11)));
Manuel Klimek0c137952013-02-11 12:33:24 +00001671 EXPECT_EQ("#define A \\\n"
1672 " a; \\\n"
1673 " \\\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001674 " b;",
1675 format("#define A \\\n"
1676 " a; \\\n"
1677 " \\\n"
1678 " b;",
1679 getLLVMStyleWithColumns(11)));
Manuel Klimek0c137952013-02-11 12:33:24 +00001680}
1681
Daniel Jasper00475962013-02-19 17:14:38 +00001682TEST_F(FormatTest, MacroDefinitionsWithIncompleteCode) {
Daniel Jasper850677d2013-03-18 12:50:26 +00001683 verifyFormat("#define A :");
Daniel Jasper00475962013-02-19 17:14:38 +00001684 verifyFormat("#define SOMECASES \\\n"
Daniel Jaspera1275122013-03-20 10:23:53 +00001685 " case 1: \\\n"
Daniel Jasper00475962013-02-19 17:14:38 +00001686 " case 2\n",
1687 getLLVMStyleWithColumns(20));
Daniel Jasper00475962013-02-19 17:14:38 +00001688 verifyFormat("#define A template <typename T>");
Daniel Jasper6db1b7c2013-02-19 20:05:41 +00001689 verifyFormat("#define STR(x) #x\n"
1690 "f(STR(this_is_a_string_literal{));");
Daniel Jasper00475962013-02-19 17:14:38 +00001691}
1692
Daniel Jasper40e19212013-05-29 13:16:10 +00001693TEST_F(FormatTest, MacrosWithoutTrailingSemicolon) {
1694 verifyFormat("SOME_TYPE_NAME abc;"); // Gated on the newline.
1695 EXPECT_EQ("class A : public QObject {\n"
1696 " Q_OBJECT\n"
1697 "\n"
1698 " A() {}\n"
1699 "};",
1700 format("class A : public QObject {\n"
1701 " Q_OBJECT\n"
1702 "\n"
1703 " A() {\n}\n"
1704 "} ;"));
Daniel Jasper41a0f782013-05-29 14:09:17 +00001705 EXPECT_EQ("SOME_MACRO\n"
1706 "namespace {\n"
1707 "void f();\n"
1708 "}",
1709 format("SOME_MACRO\n"
1710 " namespace {\n"
1711 "void f( );\n"
1712 "}"));
Daniel Jasper40e19212013-05-29 13:16:10 +00001713 // Only if the identifier contains at least 5 characters.
1714 EXPECT_EQ("HTTP f();",
1715 format("HTTP\nf();"));
1716 EXPECT_EQ("MACRO\nf();",
1717 format("MACRO\nf();"));
1718 // Only if everything is upper case.
1719 EXPECT_EQ("class A : public QObject {\n"
1720 " Q_Object A() {}\n"
1721 "};",
1722 format("class A : public QObject {\n"
1723 " Q_Object\n"
1724 "\n"
1725 " A() {\n}\n"
1726 "} ;"));
1727}
1728
Alexander Kornienkode644272013-04-08 22:16:06 +00001729TEST_F(FormatTest, MacroCallsWithoutTrailingSemicolon) {
1730 EXPECT_EQ("INITIALIZE_PASS_BEGIN(ScopDetection, \"polly-detect\")\n"
1731 "INITIALIZE_AG_DEPENDENCY(AliasAnalysis)\n"
1732 "INITIALIZE_PASS_DEPENDENCY(DominatorTree)\n"
1733 "class X {\n"
1734 "};\n"
1735 "INITIALIZE_PASS_END(ScopDetection, \"polly-detect\")\n"
1736 "int *createScopDetectionPass() { return 0; }",
1737 format(" INITIALIZE_PASS_BEGIN(ScopDetection, \"polly-detect\")\n"
1738 " INITIALIZE_AG_DEPENDENCY(AliasAnalysis)\n"
1739 " INITIALIZE_PASS_DEPENDENCY(DominatorTree)\n"
1740 " class X {};\n"
1741 " INITIALIZE_PASS_END(ScopDetection, \"polly-detect\")\n"
1742 " int *createScopDetectionPass() { return 0; }"));
Alexander Kornienkoa04e5e22013-04-09 16:15:19 +00001743 // FIXME: We could probably treat IPC_BEGIN_MESSAGE_MAP/IPC_END_MESSAGE_MAP as
1744 // braces, so that inner block is indented one level more.
1745 EXPECT_EQ("int q() {\n"
1746 " IPC_BEGIN_MESSAGE_MAP(WebKitTestController, message)\n"
1747 " IPC_MESSAGE_HANDLER(xxx, qqq)\n"
1748 " IPC_END_MESSAGE_MAP()\n"
1749 "}",
1750 format("int q() {\n"
1751 " IPC_BEGIN_MESSAGE_MAP(WebKitTestController, message)\n"
1752 " IPC_MESSAGE_HANDLER(xxx, qqq)\n"
1753 " IPC_END_MESSAGE_MAP()\n"
1754 "}"));
1755 EXPECT_EQ("int q() {\n"
1756 " f(x);\n"
1757 " f(x) {}\n"
1758 " f(x)->g();\n"
1759 " f(x)->*g();\n"
1760 " f(x).g();\n"
1761 " f(x) = x;\n"
1762 " f(x) += x;\n"
1763 " f(x) -= x;\n"
1764 " f(x) *= x;\n"
1765 " f(x) /= x;\n"
1766 " f(x) %= x;\n"
1767 " f(x) &= x;\n"
1768 " f(x) |= x;\n"
1769 " f(x) ^= x;\n"
1770 " f(x) >>= x;\n"
1771 " f(x) <<= x;\n"
1772 " f(x)[y].z();\n"
1773 " LOG(INFO) << x;\n"
1774 " ifstream(x) >> x;\n"
1775 "}\n",
1776 format("int q() {\n"
1777 " f(x)\n;\n"
1778 " f(x)\n {}\n"
1779 " f(x)\n->g();\n"
1780 " f(x)\n->*g();\n"
1781 " f(x)\n.g();\n"
1782 " f(x)\n = x;\n"
1783 " f(x)\n += x;\n"
1784 " f(x)\n -= x;\n"
1785 " f(x)\n *= x;\n"
1786 " f(x)\n /= x;\n"
1787 " f(x)\n %= x;\n"
1788 " f(x)\n &= x;\n"
1789 " f(x)\n |= x;\n"
1790 " f(x)\n ^= x;\n"
1791 " f(x)\n >>= x;\n"
1792 " f(x)\n <<= x;\n"
1793 " f(x)\n[y].z();\n"
1794 " LOG(INFO)\n << x;\n"
1795 " ifstream(x)\n >> x;\n"
1796 "}\n"));
1797 EXPECT_EQ("int q() {\n"
1798 " f(x)\n"
1799 " if (1) {\n"
1800 " }\n"
1801 " f(x)\n"
1802 " while (1) {\n"
1803 " }\n"
1804 " f(x)\n"
1805 " g(x);\n"
1806 " f(x)\n"
1807 " try {\n"
1808 " q();\n"
1809 " }\n"
1810 " catch (...) {\n"
1811 " }\n"
1812 "}\n",
1813 format("int q() {\n"
1814 "f(x)\n"
1815 "if (1) {}\n"
1816 "f(x)\n"
1817 "while (1) {}\n"
1818 "f(x)\n"
1819 "g(x);\n"
1820 "f(x)\n"
1821 "try { q(); } catch (...) {}\n"
1822 "}\n"));
1823 EXPECT_EQ("class A {\n"
1824 " A() : t(0) {}\n"
1825 " A(X x)\n" // FIXME: function-level try blocks are broken.
1826 " try : t(0) {\n"
1827 " }\n"
1828 " catch (...) {\n"
1829 " }\n"
1830 "};",
1831 format("class A {\n"
1832 " A()\n : t(0) {}\n"
1833 " A(X x)\n"
1834 " try : t(0) {} catch (...) {}\n"
1835 "};"));
Alexander Kornienkode644272013-04-08 22:16:06 +00001836}
1837
Manuel Klimek4fe43002013-05-22 12:51:29 +00001838TEST_F(FormatTest, LayoutMacroDefinitionsStatementsSpanningBlocks) {
1839 verifyFormat("#define A \\\n"
1840 " f({ \\\n"
1841 " g(); \\\n"
1842 " });", getLLVMStyleWithColumns(11));
1843}
1844
Manuel Klimekef2cfb12013-01-05 22:14:16 +00001845TEST_F(FormatTest, IndentPreprocessorDirectivesAtZero) {
1846 EXPECT_EQ("{\n {\n#define A\n }\n}", format("{{\n#define A\n}}"));
1847}
1848
Manuel Klimek52d0fd82013-01-05 22:56:06 +00001849TEST_F(FormatTest, FormatHashIfNotAtStartOfLine) {
Manuel Klimekf4ab9ef2013-01-11 17:54:10 +00001850 verifyFormat("{\n { a #c; }\n}");
Manuel Klimek52d0fd82013-01-05 22:56:06 +00001851}
1852
Manuel Klimek1058d982013-01-06 20:07:31 +00001853TEST_F(FormatTest, FormatUnbalancedStructuralElements) {
1854 EXPECT_EQ("#define A \\\n { \\\n {\nint i;",
1855 format("#define A { {\nint i;", getLLVMStyleWithColumns(11)));
1856 EXPECT_EQ("#define A \\\n } \\\n }\nint i;",
1857 format("#define A } }\nint i;", getLLVMStyleWithColumns(11)));
1858}
Manuel Klimek1abf7892013-01-04 23:34:14 +00001859
Manuel Klimekef920692013-01-07 07:56:50 +00001860TEST_F(FormatTest, EscapedNewlineAtStartOfTokenInMacroDefinition) {
Daniel Jasper8d1832e2013-01-07 13:26:07 +00001861 EXPECT_EQ(
1862 "#define A \\\n int i; \\\n int j;",
1863 format("#define A \\\nint i;\\\n int j;", getLLVMStyleWithColumns(11)));
Manuel Klimekef920692013-01-07 07:56:50 +00001864}
1865
Manuel Klimek38ba11e2013-01-07 09:24:17 +00001866TEST_F(FormatTest, CalculateSpaceOnConsecutiveLinesInMacro) {
1867 verifyFormat("#define A \\\n"
1868 " int v( \\\n"
1869 " a); \\\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001870 " int i;",
1871 getLLVMStyleWithColumns(11));
Manuel Klimek38ba11e2013-01-07 09:24:17 +00001872}
1873
Manuel Klimeka71e5d82013-01-02 16:30:12 +00001874TEST_F(FormatTest, MixingPreprocessorDirectivesAndNormalCode) {
Manuel Klimek1abf7892013-01-04 23:34:14 +00001875 EXPECT_EQ(
1876 "#define ALooooooooooooooooooooooooooooooooooooooongMacro("
1877 " \\\n"
1878 " aLoooooooooooooooooooooooongFuuuuuuuuuuuuuunctiooooooooo)\n"
1879 "\n"
1880 "AlooooooooooooooooooooooooooooooooooooooongCaaaaaaaaaal(\n"
1881 " aLooooooooooooooooooooooonPaaaaaaaaaaaaaaaaaaaaarmmmm);\n",
1882 format(" #define ALooooooooooooooooooooooooooooooooooooooongMacro("
1883 "\\\n"
1884 "aLoooooooooooooooooooooooongFuuuuuuuuuuuuuunctiooooooooo)\n"
1885 " \n"
1886 " AlooooooooooooooooooooooooooooooooooooooongCaaaaaaaaaal(\n"
1887 " aLooooooooooooooooooooooonPaaaaaaaaaaaaaaaaaaaaarmmmm);\n"));
Manuel Klimeka71e5d82013-01-02 16:30:12 +00001888}
1889
Manuel Klimek52b15152013-01-09 15:25:02 +00001890TEST_F(FormatTest, LayoutStatementsAroundPreprocessorDirectives) {
1891 EXPECT_EQ("int\n"
1892 "#define A\n"
Daniel Jasper8e357692013-05-06 08:27:33 +00001893 " a;",
Manuel Klimek52b15152013-01-09 15:25:02 +00001894 format("int\n#define A\na;"));
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001895 verifyFormat("functionCallTo(\n"
1896 " someOtherFunction(\n"
1897 " withSomeParameters, whichInSequence,\n"
1898 " areLongerThanALine(andAnotherCall,\n"
1899 "#define A B\n"
1900 " withMoreParamters,\n"
1901 " whichStronglyInfluenceTheLayout),\n"
Daniel Jasper37905f72013-02-21 15:00:29 +00001902 " andMoreParameters),\n"
1903 " trailing);",
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001904 getLLVMStyleWithColumns(69));
Manuel Klimek52b15152013-01-09 15:25:02 +00001905}
1906
Manuel Klimek8e07a1b2013-01-10 11:52:21 +00001907TEST_F(FormatTest, LayoutBlockInsideParens) {
1908 EXPECT_EQ("functionCall({\n"
1909 " int i;\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001910 "});",
1911 format(" functionCall ( {int i;} );"));
Manuel Klimek8e07a1b2013-01-10 11:52:21 +00001912}
1913
1914TEST_F(FormatTest, LayoutBlockInsideStatement) {
Manuel Klimekf4ab9ef2013-01-11 17:54:10 +00001915 EXPECT_EQ("SOME_MACRO { int i; }\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00001916 "int i;",
1917 format(" SOME_MACRO {int i;} int i;"));
Manuel Klimek8e07a1b2013-01-10 11:52:21 +00001918}
1919
1920TEST_F(FormatTest, LayoutNestedBlocks) {
1921 verifyFormat("void AddOsStrings(unsigned bitmask) {\n"
1922 " struct s {\n"
1923 " int i;\n"
1924 " };\n"
1925 " s kBitsToOs[] = { { 10 } };\n"
1926 " for (int i = 0; i < 10; ++i)\n"
1927 " return;\n"
1928 "}");
1929}
1930
Manuel Klimeke7d10a12013-01-10 13:24:24 +00001931TEST_F(FormatTest, PutEmptyBlocksIntoOneLine) {
1932 EXPECT_EQ("{}", format("{}"));
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00001933
1934 // Negative test for enum.
1935 verifyFormat("enum E {\n};");
1936
1937 // Note that when there's a missing ';', we still join...
1938 verifyFormat("enum E {}");
Manuel Klimeke7d10a12013-01-10 13:24:24 +00001939}
1940
Alexander Kornienko578fdd82012-12-06 18:03:27 +00001941//===----------------------------------------------------------------------===//
1942// Line break tests.
1943//===----------------------------------------------------------------------===//
1944
Alexander Kornienko578fdd82012-12-06 18:03:27 +00001945TEST_F(FormatTest, FormatsAwesomeMethodCall) {
1946 verifyFormat(
Daniel Jasper7b5773e92013-01-28 07:35:34 +00001947 "SomeLongMethodName(SomeReallyLongMethod(CallOtherReallyLongMethod(\n"
1948 " parameter, parameter, parameter)),\n"
Daniel Jasper6d822722012-12-24 16:43:00 +00001949 " SecondLongCall(parameter));");
Alexander Kornienko578fdd82012-12-06 18:03:27 +00001950}
1951
Daniel Jasper20b09ef2013-01-28 09:35:24 +00001952TEST_F(FormatTest, PreventConfusingIndents) {
Daniel Jasper7b5773e92013-01-28 07:35:34 +00001953 verifyFormat(
1954 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
1955 " aaaaaaaaaaaaaaaaaaaaaaaa(\n"
1956 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n"
1957 " aaaaaaaaaaaaaaaaaaaaaaaa);");
1958 verifyFormat(
1959 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa[\n"
1960 " aaaaaaaaaaaaaaaaaaaaaaaa[\n"
1961 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa],\n"
1962 " aaaaaaaaaaaaaaaaaaaaaaaa];");
1963 verifyFormat(
1964 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa<\n"
1965 " aaaaaaaaaaaaaaaaaaaaaaaa<\n"
1966 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa>,\n"
1967 " aaaaaaaaaaaaaaaaaaaaaaaa>;");
Daniel Jasper20b09ef2013-01-28 09:35:24 +00001968 verifyFormat("int a = bbbb && ccc && fffff(\n"
1969 "#define A Just forcing a new line\n"
1970 " ddd);");
Daniel Jasper7b5773e92013-01-28 07:35:34 +00001971}
1972
Daniel Jasperd69fc772013-05-08 14:12:04 +00001973TEST_F(FormatTest, LineBreakingInBinaryExpressions) {
1974 verifyFormat(
1975 "bool aaaaaaa =\n"
1976 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaa).aaaaaaaaaaaaaaaaaaa() ||\n"
1977 " bbbbbbbb();");
1978 verifyFormat("bool aaaaaaaaaaaaaaaaaaaaa =\n"
1979 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa != bbbbbbbbbbbbbbbbbb &&\n"
1980 " ccccccccc == ddddddddddd;");
1981
1982 verifyFormat("aaaaaa = aaaaaaa(aaaaaaa, // break\n"
1983 " aaaaaa) &&\n"
1984 " bbbbbb && cccccc;");
Daniel Jasper9f82df22013-05-28 07:42:44 +00001985 verifyFormat("aaaaaa = aaaaaaa(aaaaaaa, // break\n"
1986 " aaaaaa) >>\n"
1987 " bbbbbb;");
Daniel Jasperd69fc772013-05-08 14:12:04 +00001988 verifyFormat("Whitespaces.addUntouchableComment(\n"
1989 " SourceMgr.getSpellingColumnNumber(\n"
1990 " TheLine.Last->FormatTok.Tok.getLocation()) -\n"
1991 " 1);");
Daniel Jasper571f1af2013-05-14 20:39:56 +00001992
1993 FormatStyle OnePerLine = getLLVMStyle();
1994 OnePerLine.BinPackParameters = false;
1995 verifyFormat(
1996 "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
1997 " aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
1998 " aaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}",
1999 OnePerLine);
Daniel Jasperd69fc772013-05-08 14:12:04 +00002000}
2001
Daniel Jasper6bee6822013-04-08 20:33:42 +00002002TEST_F(FormatTest, ExpressionIndentation) {
2003 verifyFormat("bool value = aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n"
2004 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n"
2005 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ==\n"
2006 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n"
2007 " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb +\n"
2008 " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb &&\n"
2009 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n"
2010 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa >\n"
2011 " ccccccccccccccccccccccccccccccccccccccccc;");
2012 verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n"
2013 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n"
2014 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ==\n"
2015 " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}");
2016 verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n"
2017 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n"
2018 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ==\n"
2019 " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}");
2020 verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ==\n"
2021 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n"
2022 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa +\n"
2023 " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb) {\n}");
2024}
2025
Daniel Jasper2af6bbe2012-12-18 21:05:13 +00002026TEST_F(FormatTest, ConstructorInitializers) {
Manuel Klimeke7d10a12013-01-10 13:24:24 +00002027 verifyFormat("Constructor() : Initializer(FitsOnTheLine) {}");
Daniel Jasper2408a8c2013-01-11 11:37:55 +00002028 verifyFormat("Constructor() : Inttializer(FitsOnTheLine) {}",
2029 getLLVMStyleWithColumns(45));
Daniel Jasper12ef4e52013-02-21 21:33:55 +00002030 verifyFormat("Constructor()\n"
2031 " : Inttializer(FitsOnTheLine) {}",
Daniel Jasper2408a8c2013-01-11 11:37:55 +00002032 getLLVMStyleWithColumns(44));
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00002033 verifyFormat("Constructor()\n"
Daniel Jasper12ef4e52013-02-21 21:33:55 +00002034 " : Inttializer(FitsOnTheLine) {}",
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00002035 getLLVMStyleWithColumns(43));
Daniel Jasper2af6bbe2012-12-18 21:05:13 +00002036
2037 verifyFormat(
2038 "SomeClass::Constructor()\n"
Daniel Jasper12ef4e52013-02-21 21:33:55 +00002039 " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaaaa(aaaaaaaaaaaa) {}");
Daniel Jasper2af6bbe2012-12-18 21:05:13 +00002040
2041 verifyFormat(
2042 "SomeClass::Constructor()\n"
Daniel Jasper2408a8c2013-01-11 11:37:55 +00002043 " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n"
Daniel Jasper12ef4e52013-02-21 21:33:55 +00002044 " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}");
Daniel Jasper2408a8c2013-01-11 11:37:55 +00002045 verifyFormat(
2046 "SomeClass::Constructor()\n"
Daniel Jasper2af6bbe2012-12-18 21:05:13 +00002047 " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n"
Daniel Jasper12ef4e52013-02-21 21:33:55 +00002048 " aaaaaaaaaaaaaaa(aaaaaaaaaaaa) {}");
Daniel Jasper2af6bbe2012-12-18 21:05:13 +00002049
2050 verifyFormat("Constructor()\n"
2051 " : aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa),\n"
2052 " aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
2053 " aaaaaaaaaaaaaaaaaaaaaaaaaaa),\n"
Daniel Jasper12ef4e52013-02-21 21:33:55 +00002054 " aaaaaaaaaaaaaaaaaaaaaaa() {}");
Daniel Jasper2af6bbe2012-12-18 21:05:13 +00002055
Daniel Jasper65585ed2013-01-28 13:31:35 +00002056 verifyFormat("Constructor()\n"
2057 " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
Daniel Jasper12ef4e52013-02-21 21:33:55 +00002058 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}");
Daniel Jasper65585ed2013-01-28 13:31:35 +00002059
Daniel Jasper62e68172013-02-25 15:59:54 +00002060 verifyFormat("Constructor(int Parameter = 0)\n"
2061 " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa),\n"
2062 " aaaaaaaaaaaa(aaaaaaaaaaaaaaaaa) {}");
2063
Daniel Jasper2af6bbe2012-12-18 21:05:13 +00002064 // Here a line could be saved by splitting the second initializer onto two
2065 // lines, but that is not desireable.
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00002066 verifyFormat("Constructor()\n"
2067 " : aaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaa),\n"
2068 " aaaaaaaaaaa(aaaaaaaaaaa),\n"
2069 " aaaaaaaaaaaaaaaaaaaaat(aaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}");
Daniel Jasper2af6bbe2012-12-18 21:05:13 +00002070
Daniel Jasper23e8e0c2013-02-15 16:49:44 +00002071 FormatStyle OnePerLine = getLLVMStyle();
2072 OnePerLine.ConstructorInitializerAllOnOneLineOrOnePerLine = true;
2073 verifyFormat("SomeClass::Constructor()\n"
2074 " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n"
2075 " aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n"
Daniel Jasper12ef4e52013-02-21 21:33:55 +00002076 " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}",
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00002077 OnePerLine);
Daniel Jasper23e8e0c2013-02-15 16:49:44 +00002078 verifyFormat("SomeClass::Constructor()\n"
2079 " : aaaaaaaaaaaaa(aaaaaaaaaaaaaa), // Some comment\n"
2080 " aaaaaaaaaaaaa(aaaaaaaaaaaaaa),\n"
Daniel Jasper12ef4e52013-02-21 21:33:55 +00002081 " aaaaaaaaaaaaa(aaaaaaaaaaaaaa) {}",
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00002082 OnePerLine);
Daniel Jasper23e8e0c2013-02-15 16:49:44 +00002083 verifyFormat("MyClass::MyClass(int var)\n"
2084 " : some_var_(var), // 4 space indent\n"
2085 " some_other_var_(var + 1) { // lined up\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00002086 "}",
2087 OnePerLine);
Daniel Jasperead41b62013-02-28 09:39:12 +00002088 verifyFormat("Constructor()\n"
2089 " : aaaaa(aaaaaa),\n"
2090 " aaaaa(aaaaaa),\n"
2091 " aaaaa(aaaaaa),\n"
2092 " aaaaa(aaaaaa),\n"
2093 " aaaaa(aaaaaa) {}",
2094 OnePerLine);
Daniel Jaspercc960fa2013-04-22 07:59:53 +00002095 verifyFormat("Constructor()\n"
2096 " : aaaaa(aaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaa,\n"
2097 " aaaaaaaaaaaaaaaaaaaaaa) {}",
2098 OnePerLine);
Daniel Jaspere3c0e012013-04-25 13:31:51 +00002099}
2100
2101TEST_F(FormatTest, MemoizationTests) {
2102 // This breaks if the memoization lookup does not take \c Indent and
2103 // \c LastSpace into account.
2104 verifyFormat(
2105 "extern CFRunLoopTimerRef\n"
2106 "CFRunLoopTimerCreate(CFAllocatorRef allocato, CFAbsoluteTime fireDate,\n"
2107 " CFTimeInterval interval, CFOptionFlags flags,\n"
2108 " CFIndex order, CFRunLoopTimerCallBack callout,\n"
Daniel Jasper8e357692013-05-06 08:27:33 +00002109 " CFRunLoopTimerContext *context) {}");
Daniel Jaspere3c0e012013-04-25 13:31:51 +00002110
2111 // Deep nesting somewhat works around our memoization.
2112 verifyFormat(
2113 "aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(\n"
2114 " aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(\n"
2115 " aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(\n"
2116 " aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(aaaaa(\n"
2117 " aaaaa())))))))))))))))))))))))))))))))))))))));",
2118 getLLVMStyleWithColumns(65));
Daniel Jaspercc3044c2013-05-13 09:19:24 +00002119 verifyFormat(
2120 "aaaaa(\n"
2121 " aaaaa,\n"
2122 " aaaaa(\n"
2123 " aaaaa,\n"
2124 " aaaaa(\n"
2125 " aaaaa,\n"
2126 " aaaaa(\n"
2127 " aaaaa,\n"
2128 " aaaaa(\n"
2129 " aaaaa,\n"
2130 " aaaaa(\n"
2131 " aaaaa,\n"
2132 " aaaaa(\n"
2133 " aaaaa,\n"
2134 " aaaaa(\n"
2135 " aaaaa,\n"
2136 " aaaaa(\n"
2137 " aaaaa,\n"
2138 " aaaaa(\n"
2139 " aaaaa,\n"
2140 " aaaaa(\n"
2141 " aaaaa,\n"
2142 " aaaaa(\n"
2143 " aaaaa,\n"
2144 " aaaaa))))))))))));",
2145 getLLVMStyleWithColumns(65));
Daniel Jasperf8114cf2013-05-22 05:27:42 +00002146 verifyFormat(
2147 "a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(a(), a), a), a), a),\n"
2148 " a),\n"
2149 " a),\n"
2150 " a),\n"
2151 " a),\n"
2152 " a),\n"
2153 " a),\n"
2154 " a),\n"
2155 " a),\n"
2156 " a),\n"
2157 " a),\n"
2158 " a),\n"
2159 " a),\n"
2160 " a),\n"
2161 " a),\n"
2162 " a),\n"
2163 " a),\n"
2164 " a)",
2165 getLLVMStyleWithColumns(65));
Daniel Jasper7b7877a2013-01-12 07:36:22 +00002166
2167 // This test takes VERY long when memoization is broken.
Daniel Jaspere3c0e012013-04-25 13:31:51 +00002168 FormatStyle OnePerLine = getLLVMStyle();
2169 OnePerLine.ConstructorInitializerAllOnOneLineOrOnePerLine = true;
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00002170 OnePerLine.BinPackParameters = false;
Daniel Jasper9278eb92013-01-16 14:59:02 +00002171 std::string input = "Constructor()\n"
Daniel Jasper7a31af12013-01-25 15:43:32 +00002172 " : aaaa(a,\n";
Daniel Jasper9278eb92013-01-16 14:59:02 +00002173 for (unsigned i = 0, e = 80; i != e; ++i) {
2174 input += " a,\n";
2175 }
Daniel Jasper12ef4e52013-02-21 21:33:55 +00002176 input += " a) {}";
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00002177 verifyFormat(input, OnePerLine);
Daniel Jasper2af6bbe2012-12-18 21:05:13 +00002178}
2179
Alexander Kornienko578fdd82012-12-06 18:03:27 +00002180TEST_F(FormatTest, BreaksAsHighAsPossible) {
2181 verifyFormat(
Alexander Kornienkoa5151272013-03-12 16:28:18 +00002182 "void f() {\n"
2183 " if ((aaaaaaaaaaaaaaaaaaaaaaaaaaaaa && aaaaaaaaaaaaaaaaaaaaaaaaaa) ||\n"
2184 " (bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb && bbbbbbbbbbbbbbbbbbbbbbbbbb))\n"
2185 " f();\n"
2186 "}");
Daniel Jasper70bc8742013-02-26 13:59:14 +00002187 verifyFormat("if (Intervals[i].getRange().getFirst() <\n"
Daniel Jasper6bee6822013-04-08 20:33:42 +00002188 " Intervals[i - 1].getRange().getLast()) {\n}");
Alexander Kornienko578fdd82012-12-06 18:03:27 +00002189}
2190
Daniel Jasper6728fc12013-04-11 14:29:13 +00002191TEST_F(FormatTest, BreaksFunctionDeclarations) {
2192 // Principially, we break function declarations in a certain order:
2193 // 1) break amongst arguments.
2194 verifyFormat("Aaaaaaaaaaaaaa bbbbbbbbbbbbbb(Cccccccccccccc cccccccccccccc,\n"
2195 " Cccccccccccccc cccccccccccccc);");
2196
2197 // 2) break after return type.
Daniel Jasper8e357692013-05-06 08:27:33 +00002198 verifyFormat(
2199 "Aaaaaaaaaaaaaaaaaaaaaaaa\n"
2200 " bbbbbbbbbbbbbb(Cccccccccccccc cccccccccccccccccccccccccc);");
Daniel Jasper6728fc12013-04-11 14:29:13 +00002201
2202 // 3) break after (.
2203 verifyFormat(
2204 "Aaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbb(\n"
2205 " Cccccccccccccccccccccccccccccc cccccccccccccccccccccccccccccccc);");
2206
2207 // 4) break before after nested name specifiers.
2208 verifyFormat(
2209 "Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
Daniel Jasper8e357692013-05-06 08:27:33 +00002210 " SomeClasssssssssssssssssssssssssssssssssssssss::\n"
2211 " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(Cccccccccccccc cccccccccc);");
Daniel Jasper6728fc12013-04-11 14:29:13 +00002212
2213 // However, there are exceptions, if a sufficient amount of lines can be
2214 // saved.
2215 // FIXME: The precise cut-offs wrt. the number of saved lines might need some
2216 // more adjusting.
2217 verifyFormat("Aaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbb(Cccccccccccccc cccccccccc,\n"
2218 " Cccccccccccccc cccccccccc,\n"
2219 " Cccccccccccccc cccccccccc,\n"
2220 " Cccccccccccccc cccccccccc,\n"
2221 " Cccccccccccccc cccccccccc);");
2222 verifyFormat(
2223 "Aaaaaaaaaaaaaaaaaa\n"
Daniel Jasper8e357692013-05-06 08:27:33 +00002224 " bbbbbbbbbbb(Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc,\n"
2225 " Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc,\n"
2226 " Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc);");
Daniel Jasper6728fc12013-04-11 14:29:13 +00002227 verifyFormat(
2228 "Aaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(Cccccccccccccc cccccccccc,\n"
2229 " Cccccccccccccc cccccccccc,\n"
2230 " Cccccccccccccc cccccccccc,\n"
2231 " Cccccccccccccc cccccccccc,\n"
2232 " Cccccccccccccc cccccccccc,\n"
2233 " Cccccccccccccc cccccccccc,\n"
2234 " Cccccccccccccc cccccccccc);");
2235 verifyFormat("Aaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(\n"
2236 " Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc,\n"
2237 " Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc,\n"
2238 " Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc,\n"
2239 " Cccccccccccccc cccccccccc, Cccccccccccccc cccccccccc);");
Daniel Jasper1b8e76f2013-04-15 22:36:37 +00002240
2241 // Break after multi-line parameters.
2242 verifyFormat("void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2243 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2244 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
2245 " bbbb bbbb);");
Daniel Jasper6728fc12013-04-11 14:29:13 +00002246}
2247
Daniel Jasper5be31f72013-05-21 09:16:31 +00002248TEST_F(FormatTest, BreaksFunctionDeclarationsWithTrailingTokens) {
Daniel Jasper13c37b32013-05-22 08:28:26 +00002249 verifyFormat("void someLongFunction(\n"
2250 " int someLongParameter) const {}",
2251 getLLVMStyleWithColumns(46));
2252 FormatStyle Style = getGoogleStyle();
2253 Style.ColumnLimit = 47;
2254 verifyFormat("void\n"
2255 "someLongFunction(int someLongParameter) const {\n}",
2256 getLLVMStyleWithColumns(47));
2257 verifyFormat("void someLongFunction(\n"
2258 " int someLongParameter) const {}",
2259 Style);
2260 verifyFormat("LoooooongReturnType\n"
2261 "someLoooooooongFunction() const {}",
2262 getLLVMStyleWithColumns(47));
2263 verifyFormat("LoooooongReturnType someLoooooooongFunction()\n"
2264 " const {}",
2265 Style);
Daniel Jasper5be31f72013-05-21 09:16:31 +00002266
2267 verifyFormat("void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
2268 " LOCKS_EXCLUDED(aaaaaaaaaaaaa);");
2269 verifyFormat("void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) const\n"
2270 " LOCKS_EXCLUDED(aaaaaaaaaaaaa);");
2271 verifyFormat("void aaaaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) const\n"
2272 " LOCKS_EXCLUDED(aaaaaaaaaaaaa) {}");
2273
2274 verifyFormat(
2275 "void aaaaaaaaaaaaaaaaaa()\n"
2276 " __attribute__((aaaaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaa,\n"
2277 " aaaaaaaaaaaaaaaaaaaaaaaaa));");
2278 verifyFormat("bool aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2279 " __attribute__((unused));");
2280 verifyFormat(
2281 "bool aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2282 " GUARDED_BY(aaaaaaaaaaaa);");
2283}
2284
2285
Daniel Jasperf7935112012-12-03 18:12:45 +00002286TEST_F(FormatTest, BreaksDesireably) {
2287 verifyFormat("if (aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa) ||\n"
2288 " aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa) ||\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00002289 " aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa)) {\n}");
Daniel Jasper39e27382013-01-23 20:41:06 +00002290 verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2291 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)) {\n"
2292 "}");
Daniel Jasperf7935112012-12-03 18:12:45 +00002293
2294 verifyFormat(
2295 "aaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
Daniel Jasper12ef4e52013-02-21 21:33:55 +00002296 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {}");
Daniel Jasperf7935112012-12-03 18:12:45 +00002297
2298 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2299 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2300 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa));");
Daniel Jasper9b155472012-12-04 10:50:12 +00002301
2302 verifyFormat(
2303 "aaaaaaaa(aaaaaaaaaaaaa, aaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2304 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)),\n"
2305 " aaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2306 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)));");
Daniel Jasperaa1c9202012-12-05 14:57:28 +00002307
2308 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
2309 " (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
2310
Daniel Jasper3d0c75c2013-01-02 14:40:02 +00002311 verifyFormat(
Alexander Kornienkoa5151272013-03-12 16:28:18 +00002312 "void f() {\n"
2313 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&\n"
2314 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);\n"
2315 "}");
Daniel Jasper7a31af12013-01-25 15:43:32 +00002316 verifyFormat(
2317 "aaaaaa(new Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2318 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaa));");
2319 verifyFormat(
2320 "aaaaaa(aaa, new Aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2321 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaa));");
Daniel Jasperaab220f2013-03-20 13:53:11 +00002322 verifyFormat(
2323 "aaaaaaaaaaaaaaaaa(\n"
2324 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
2325 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
Daniel Jasper3d0c75c2013-01-02 14:40:02 +00002326
Daniel Jasperaa1c9202012-12-05 14:57:28 +00002327 // This test case breaks on an incorrect memoization, i.e. an optimization not
2328 // taking into account the StopAt value.
2329 verifyFormat(
2330 "return aaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaa ||\n"
Daniel Jasper2eda23e2012-12-24 13:43:52 +00002331 " aaaaaaaaaaa(aaaaaaaaa) || aaaaaaaaaaaaaaaaaaaaaaa ||\n"
2332 " aaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaa ||\n"
2333 " (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
Daniel Jasper6d822722012-12-24 16:43:00 +00002334
Daniel Jasper8d1832e2013-01-07 13:26:07 +00002335 verifyFormat("{\n {\n {\n"
2336 " Annotation.SpaceRequiredBefore =\n"
2337 " Line.Tokens[i - 1].Tok.isNot(tok::l_paren) &&\n"
2338 " Line.Tokens[i - 1].Tok.isNot(tok::l_square);\n"
2339 " }\n }\n}");
Daniel Jasperf7935112012-12-03 18:12:45 +00002340}
2341
Daniel Jasper9278eb92013-01-16 14:59:02 +00002342TEST_F(FormatTest, FormatsOneParameterPerLineIfNecessary) {
Daniel Jaspera628c982013-04-03 13:36:17 +00002343 FormatStyle NoBinPacking = getGoogleStyle();
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00002344 NoBinPacking.BinPackParameters = false;
2345 verifyFormat("f(aaaaaaaaaaaaaaaaaaaa,\n"
2346 " aaaaaaaaaaaaaaaaaaaa,\n"
2347 " aaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaa);",
2348 NoBinPacking);
2349 verifyFormat("aaaaaaa(aaaaaaaaaaaaa,\n"
2350 " aaaaaaaaaaaaa,\n"
2351 " aaaaaaaaaaaaa(aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaa));",
2352 NoBinPacking);
2353 verifyFormat(
Daniel Jasper9278eb92013-01-16 14:59:02 +00002354 "aaaaaaaa(aaaaaaaaaaaaa,\n"
2355 " aaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2356 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)),\n"
2357 " aaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00002358 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)));",
2359 NoBinPacking);
2360 verifyFormat("aaaaaaaaaaaaaaa(aaaaaaaaa, aaaaaaaaa, aaaaaaaaaaaaaaaaaaaaa)\n"
2361 " .aaaaaaaaaaaaaaaaaa();",
2362 NoBinPacking);
2363 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2364 " aaaaaaaaaa, aaaaaaaaaa, aaaaaaaaaa, aaaaaaaaaaa);",
2365 NoBinPacking);
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00002366
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00002367 verifyFormat(
Daniel Jaspere941b162013-01-23 10:08:28 +00002368 "aaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa,\n"
2369 " aaaaaaaaaaaa,\n"
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00002370 " aaaaaaaaaaaa);",
2371 NoBinPacking);
2372 verifyFormat(
Daniel Jasper9278eb92013-01-16 14:59:02 +00002373 "somefunction(someotherFunction(ddddddddddddddddddddddddddddddddddd,\n"
2374 " ddddddddddddddddddddddddddddd),\n"
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00002375 " test);",
2376 NoBinPacking);
Daniel Jasper9278eb92013-01-16 14:59:02 +00002377
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00002378 verifyFormat("std::vector<aaaaaaaaaaaaaaaaaaaaaaa,\n"
2379 " aaaaaaaaaaaaaaaaaaaaaaa,\n"
2380 " aaaaaaaaaaaaaaaaaaaaaaa> aaaaaaaaaaaaaaaaaa;",
2381 NoBinPacking);
2382 verifyFormat("a(\"a\"\n"
2383 " \"a\",\n"
2384 " a);");
Daniel Jaspere941b162013-01-23 10:08:28 +00002385
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00002386 NoBinPacking.AllowAllParametersOfDeclarationOnNextLine = false;
Daniel Jasperf7db4332013-01-29 16:03:49 +00002387 verifyFormat("void aaaaaaaaaa(aaaaaaaaa,\n"
Daniel Jaspere941b162013-01-23 10:08:28 +00002388 " aaaaaaaaa,\n"
Daniel Jasperf7db4332013-01-29 16:03:49 +00002389 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);",
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00002390 NoBinPacking);
Daniel Jasper687af3b2013-02-14 14:26:07 +00002391 verifyFormat(
2392 "void f() {\n"
2393 " aaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaa, aaaaaaaaa, aaaaaaaaaaaaaaaaaaaaa)\n"
2394 " .aaaaaaa();\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00002395 "}",
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00002396 NoBinPacking);
Daniel Jasper53e8d852013-05-22 08:55:55 +00002397 verifyFormat(
2398 "template <class SomeType, class SomeOtherType>\n"
2399 "SomeType SomeFunction(SomeType Type, SomeOtherType OtherType) {}",
2400 NoBinPacking);
Daniel Jasper9278eb92013-01-16 14:59:02 +00002401}
2402
Daniel Jasper04468962013-01-18 10:56:38 +00002403TEST_F(FormatTest, FormatsBuilderPattern) {
2404 verifyFormat(
2405 "return llvm::StringSwitch<Reference::Kind>(name)\n"
Daniel Jaspere7de2a32013-04-08 10:45:44 +00002406 " .StartsWith(\".eh_frame_hdr\", ORDER_EH_FRAMEHDR)\n"
2407 " .StartsWith(\".eh_frame\", ORDER_EH_FRAME).StartsWith(\".init\", ORDER_INIT)\n"
2408 " .StartsWith(\".fini\", ORDER_FINI).StartsWith(\".hash\", ORDER_HASH)\n"
2409 " .Default(ORDER_TEXT);\n");
Daniel Jasperc6fbc212013-05-15 09:35:08 +00002410
Daniel Jaspereb50c672013-02-15 20:33:06 +00002411 verifyFormat("return aaaaaaaaaaaaaaaaa->aaaaa().aaaaaaaaaaaaa().aaaaaa() <\n"
Daniel Jasper6bee6822013-04-08 20:33:42 +00002412 " aaaaaaaaaaaaaaa->aaaaa().aaaaaaaaaaaaa().aaaaaa();");
Daniel Jasper9ed9ade2013-02-18 13:24:21 +00002413 verifyFormat(
2414 "aaaaaaa->aaaaaaa\n"
2415 " ->aaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
2416 " ->aaaaaaaa(aaaaaaaaaaaaaaa);");
Daniel Jaspere53beb22013-02-18 13:52:06 +00002417 verifyFormat(
2418 "aaaaaaaaaaaaaaaaaaa()->aaaaaa(bbbbb)->aaaaaaaaaaaaaaaaaaa( // break\n"
Daniel Jasperf9a84b52013-03-01 16:48:32 +00002419 " aaaaaaaaaaaaaa);");
Daniel Jaspere53beb22013-02-18 13:52:06 +00002420 verifyFormat(
2421 "aaaaaaaaaaaaaaaaaaaaaaa *aaaaaaaaa = aaaaaa->aaaaaaaaaaaa()\n"
2422 " ->aaaaaaaaaaaaaaaa(\n"
Daniel Jasper66e4f832013-05-10 13:37:16 +00002423 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
Daniel Jaspere53beb22013-02-18 13:52:06 +00002424 " ->aaaaaaaaaaaaaaaaa();");
Daniel Jasper04468962013-01-18 10:56:38 +00002425}
2426
Daniel Jasperde5c2072012-12-24 00:13:23 +00002427TEST_F(FormatTest, BreaksAccordingToOperatorPrecedence) {
2428 verifyFormat(
2429 "if (aaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00002430 " bbbbbbbbbbbbbbbbbbbbbbbbb && ccccccccccccccccccccccccc) {\n}");
Daniel Jasper8d1832e2013-01-07 13:26:07 +00002431 verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaa && bbbbbbbbbbbbbbbbbbbbbbbbb ||\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00002432 " ccccccccccccccccccccccccc) {\n}");
Daniel Jasper8d1832e2013-01-07 13:26:07 +00002433 verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaa || bbbbbbbbbbbbbbbbbbbbbbbbb ||\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00002434 " ccccccccccccccccccccccccc) {\n}");
Daniel Jasperde5c2072012-12-24 00:13:23 +00002435 verifyFormat(
2436 "if ((aaaaaaaaaaaaaaaaaaaaaaaaa || bbbbbbbbbbbbbbbbbbbbbbbbb) &&\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00002437 " ccccccccccccccccccccccccc) {\n}");
Daniel Jasper400adc62013-02-08 15:28:42 +00002438 verifyFormat("return aaaa & AAAAAAAAAAAAAAAAAAAAAAAAAAAAA ||\n"
2439 " bbbb & BBBBBBBBBBBBBBBBBBBBBBBBBBBBB ||\n"
2440 " cccc & CCCCCCCCCCCCCCCCCCCCCCCCCC ||\n"
2441 " dddd & DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD;");
2442 verifyFormat("if ((aaaaaaaaaa != aaaaaaaaaaaaaaa ||\n"
2443 " aaaaaaaaaaaaaaaaaaaaaaaa() >= aaaaaaaaaaaaaaaaaaaa) &&\n"
2444 " aaaaaaaaaaaaaaa != aa) {\n}");
Daniel Jasperde5c2072012-12-24 00:13:23 +00002445}
2446
Daniel Jasper43b65482013-01-23 12:27:43 +00002447TEST_F(FormatTest, BreaksAfterAssignments) {
Daniel Jasper206df732013-01-07 13:08:40 +00002448 verifyFormat(
Daniel Jasper43b65482013-01-23 12:27:43 +00002449 "unsigned Cost =\n"
2450 " TTI.getMemoryOpCost(I->getOpcode(), VectorTy, SI->getAlignment(),\n"
2451 " SI->getPointerAddressSpaceee());\n");
Daniel Jasper206df732013-01-07 13:08:40 +00002452 verifyFormat(
Daniel Jasper1565eb32013-01-23 15:55:19 +00002453 "CharSourceRange LineRange = CharSourceRange::getTokenRange(\n"
2454 " Line.Tokens.front().Tok.getLo(), Line.Tokens.back().Tok.getLoc());");
Daniel Jaspera836b902013-01-23 16:58:21 +00002455
2456 verifyFormat(
2457 "aaaaaaaaaaaaaaaaaaaaaaaaaa aaaa = aaaaaaaaaaaaaa(0).aaaa()\n"
2458 " .aaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaa::aaaaaaaaaaaaaaaaaaaaa);");
Daniel Jasper7b27a102013-05-27 12:45:09 +00002459 verifyFormat("unsigned OriginalStartColumn =\n"
2460 " SourceMgr.getSpellingColumnNumber(\n"
2461 " Current.FormatTok.getStartOfNonWhitespace()) -\n"
2462 " 1;");
Daniel Jasper206df732013-01-07 13:08:40 +00002463}
2464
Daniel Jasper2eda23e2012-12-24 13:43:52 +00002465TEST_F(FormatTest, AlignsAfterAssignments) {
2466 verifyFormat(
2467 "int Result = aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n"
Daniel Jasper206df732013-01-07 13:08:40 +00002468 " aaaaaaaaaaaaaaaaaaaaaaaaa;");
Daniel Jasper2eda23e2012-12-24 13:43:52 +00002469 verifyFormat(
2470 "Result += aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n"
Daniel Jasper206df732013-01-07 13:08:40 +00002471 " aaaaaaaaaaaaaaaaaaaaaaaaa;");
Daniel Jasper2eda23e2012-12-24 13:43:52 +00002472 verifyFormat(
2473 "Result >>= aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n"
Daniel Jasper206df732013-01-07 13:08:40 +00002474 " aaaaaaaaaaaaaaaaaaaaaaaaa;");
Daniel Jasper2eda23e2012-12-24 13:43:52 +00002475 verifyFormat(
2476 "int Result = (aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n"
Daniel Jasper206df732013-01-07 13:08:40 +00002477 " aaaaaaaaaaaaaaaaaaaaaaaaa);");
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00002478 verifyFormat("double LooooooooooooooooooooooooongResult =\n"
2479 " aaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaa +\n"
2480 " aaaaaaaaaaaaaaaaaaaaaaaa;");
Daniel Jasper2eda23e2012-12-24 13:43:52 +00002481}
2482
2483TEST_F(FormatTest, AlignsAfterReturn) {
2484 verifyFormat(
2485 "return aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n"
2486 " aaaaaaaaaaaaaaaaaaaaaaaaa;");
2487 verifyFormat(
2488 "return (aaaaaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaa +\n"
2489 " aaaaaaaaaaaaaaaaaaaaaaaaa);");
Daniel Jasperc238c872013-04-02 14:33:13 +00002490 verifyFormat(
2491 "return aaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa >=\n"
Daniel Jasper6bee6822013-04-08 20:33:42 +00002492 " aaaaaaaaaaaaaaaaaaaaaa();");
Daniel Jasperc238c872013-04-02 14:33:13 +00002493 verifyFormat(
2494 "return (aaaaaaaaaaaaaaaaaaaaaa + aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa >=\n"
Daniel Jasper6bee6822013-04-08 20:33:42 +00002495 " aaaaaaaaaaaaaaaaaaaaaa());");
2496 verifyFormat("return aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2497 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
2498 verifyFormat("return aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2499 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) &&\n"
2500 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
Daniel Jasper2eda23e2012-12-24 13:43:52 +00002501}
2502
Daniel Jasper399d24b2013-01-09 07:06:56 +00002503TEST_F(FormatTest, BreaksConditionalExpressions) {
2504 verifyFormat(
2505 "aaaa(aaaaaaaaaaaaaaaaaaaa,\n"
Daniel Jasperca6623b2013-01-28 12:45:14 +00002506 " aaaaaaaaaaaaaaaaaaaaaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2507 " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
Daniel Jasper8c5fba92013-01-16 16:23:19 +00002508 verifyFormat(
Daniel Jasperca6623b2013-01-28 12:45:14 +00002509 "aaaa(aaaaaaaaaaaaaaaaaaaa, aaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2510 " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
2511 verifyFormat(
2512 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaa ? aaaa(aaaaaa)\n"
2513 " : aaaaaaaaaaaaa);");
2514 verifyFormat(
2515 "aaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa,\n"
Daniel Jasperaab220f2013-03-20 13:53:11 +00002516 " aaaaaaaaaaaaaaaa ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
Daniel Jasperca6623b2013-01-28 12:45:14 +00002517 " : aaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
2518 " aaaaaaaaaaaaa);");
2519 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2520 " ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2521 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
2522 " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2523 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
2524 verifyFormat("aaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
2525 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2526 " ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2527 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
2528 " : aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2529 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa),\n"
2530 " aaaaaaaaaaaaaaaaaaaaaaaaaaa);");
Daniel Jasper54a86022013-02-15 11:07:25 +00002531
2532 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2533 " ? aaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2534 " : aaaaaaaaaaaaaaaaaaaaaaaaaaa;");
Daniel Jasperc238c872013-04-02 14:33:13 +00002535 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaa =\n"
2536 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2537 " ? aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2538 " : aaaaaaaaaaaaaaaa;");
Daniel Jaspercd8599e2013-02-23 21:01:55 +00002539 verifyFormat(
2540 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2541 " ? aaaaaaaaaaaaaaa\n"
2542 " : aaaaaaaaaaaaaaa;");
2543 verifyFormat("f(aaaaaaaaaaaaaaaa == // force break\n"
Daniel Jasper6bee6822013-04-08 20:33:42 +00002544 " aaaaaaaaa\n"
Daniel Jaspere7de2a32013-04-08 10:45:44 +00002545 " ? b\n"
2546 " : c);");
Daniel Jasper8360a862013-02-08 16:49:27 +00002547 verifyFormat(
Daniel Jasper54a86022013-02-15 11:07:25 +00002548 "unsigned Indent =\n"
2549 " format(TheLine.First, IndentForLevel[TheLine.Level] >= 0\n"
2550 " ? IndentForLevel[TheLine.Level]\n"
Daniel Jasper37905f72013-02-21 15:00:29 +00002551 " : TheLine * 2,\n"
2552 " TheLine.InPPDirective, PreviousEndOfLineColumn);",
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00002553 getLLVMStyleWithColumns(70));
Daniel Jasper54a86022013-02-15 11:07:25 +00002554
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00002555 FormatStyle NoBinPacking = getLLVMStyle();
2556 NoBinPacking.BinPackParameters = false;
2557 verifyFormat(
Daniel Jaspercd8599e2013-02-23 21:01:55 +00002558 "void f() {\n"
2559 " g(aaa,\n"
2560 " aaaaaaaaaa == aaaaaaaaaa ? aaaa : aaaaa,\n"
2561 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa == aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2562 " ? aaaaaaaaaaaaaaa\n"
2563 " : aaaaaaaaaaaaaaa);\n"
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00002564 "}",
2565 NoBinPacking);
Daniel Jasper399d24b2013-01-09 07:06:56 +00002566}
2567
Daniel Jasper38c11ce2013-01-29 11:21:01 +00002568TEST_F(FormatTest, DeclarationsOfMultipleVariables) {
2569 verifyFormat("bool aaaaaaaaaaaaaaaaa = aaaaaa->aaaaaaaaaaaaaaaaa(),\n"
2570 " aaaaaaaaaaa = aaaaaa->aaaaaaaaaaa();");
2571 verifyFormat("bool a = true, b = false;");
2572
Daniel Jasper38c11ce2013-01-29 11:21:01 +00002573 verifyFormat("bool aaaaaaaaaaaaaaaaaaaaaaaaa =\n"
Daniel Jaspera628c982013-04-03 13:36:17 +00002574 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaa),\n"
Daniel Jasper38c11ce2013-01-29 11:21:01 +00002575 " bbbbbbbbbbbbbbbbbbbbbbbbb =\n"
Daniel Jasperc238c872013-04-02 14:33:13 +00002576 " bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb(bbbbbbbbbbbbbbbb);");
Daniel Jasper38c11ce2013-01-29 11:21:01 +00002577 verifyFormat(
Daniel Jasper37905f72013-02-21 15:00:29 +00002578 "bool aaaaaaaaaaaaaaaaaaaaa =\n"
Daniel Jaspera628c982013-04-03 13:36:17 +00002579 " bbbbbbbbbbbbbbbbbbbbbbbbbbbb && cccccccccccccccccccccccccccc,\n"
Daniel Jasper37905f72013-02-21 15:00:29 +00002580 " d = e && f;");
Daniel Jasper31c96b92013-04-05 09:38:50 +00002581 verifyFormat("aaaaaaaaa a = aaaaaaaaaaaaaaaaaaaa, b = bbbbbbbbbbbbbbbbbbbb,\n"
2582 " c = cccccccccccccccccccc, d = dddddddddddddddddddd;");
2583 verifyFormat("aaaaaaaaa *a = aaaaaaaaaaaaaaaaaaa, *b = bbbbbbbbbbbbbbbbbbb,\n"
2584 " *c = ccccccccccccccccccc, *d = ddddddddddddddddddd;");
2585 verifyFormat("aaaaaaaaa ***a = aaaaaaaaaaaaaaaaaaa, ***b = bbbbbbbbbbbbbbb,\n"
2586 " ***c = ccccccccccccccccccc, ***d = ddddddddddddddd;");
2587 // FIXME: If multiple variables are defined, the "*" needs to move to the new
2588 // line. Also fix indent for breaking after the type, this looks bad.
2589 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa *\n"
Daniel Jasper8e357692013-05-06 08:27:33 +00002590 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaa = aaaaaaaaaaaaaaaaaaa,\n"
2591 " *b = bbbbbbbbbbbbbbbbbbb;");
Daniel Jasper38c11ce2013-01-29 11:21:01 +00002592
Daniel Jasper31c96b92013-04-05 09:38:50 +00002593 // Not ideal, but pointer-with-type does not allow much here.
2594 verifyGoogleFormat(
2595 "aaaaaaaaa* a = aaaaaaaaaaaaaaaaaaa, *b = bbbbbbbbbbbbbbbbbbb,\n"
2596 " *b = bbbbbbbbbbbbbbbbbbb, *d = ddddddddddddddddddd;");
Daniel Jasper38c11ce2013-01-29 11:21:01 +00002597}
2598
Nico Weber4a5030c2013-01-12 01:28:06 +00002599TEST_F(FormatTest, ConditionalExpressionsInBrackets) {
2600 verifyFormat("arr[foo ? bar : baz];");
2601 verifyFormat("f()[foo ? bar : baz];");
2602 verifyFormat("(a + b)[foo ? bar : baz];");
2603 verifyFormat("arr[foo ? (4 > 5 ? 4 : 5) : 5 < 5 ? 5 : 7];");
2604}
2605
Daniel Jasperf7935112012-12-03 18:12:45 +00002606TEST_F(FormatTest, AlignsStringLiterals) {
2607 verifyFormat("loooooooooooooooooooooooooongFunction(\"short literal \"\n"
2608 " \"short literal\");");
2609 verifyFormat(
2610 "looooooooooooooooooooooooongFunction(\n"
2611 " \"short literal\"\n"
2612 " \"looooooooooooooooooooooooooooooooooooooooooooooooong literal\");");
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00002613 verifyFormat("someFunction(\"Always break between multi-line\"\n"
2614 " \" string literals\",\n"
2615 " and, other, parameters);");
Manuel Klimek02f640a2013-02-20 15:25:48 +00002616 EXPECT_EQ("fun + \"1243\" /* comment */\n"
2617 " \"5678\";",
2618 format("fun + \"1243\" /* comment */\n"
2619 " \"5678\";",
2620 getLLVMStyleWithColumns(28)));
2621 EXPECT_EQ(
2622 "aaaaaa = \"aaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaa \"\n"
2623 " \"aaaaaaaaaaaaaaaaaaaaa\"\n"
2624 " \"aaaaaaaaaaaaaaaa\";",
2625 format("aaaaaa ="
2626 "\"aaaaaaaaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaaaaaaaaaaa "
2627 "aaaaaaaaaaaaaaaaaaaaa\" "
2628 "\"aaaaaaaaaaaaaaaa\";"));
Manuel Klimek0c915712013-02-20 15:32:58 +00002629 verifyFormat("a = a + \"a\"\n"
2630 " \"a\"\n"
2631 " \"a\";");
Daniel Jasper7dd22c51b2013-05-16 04:26:02 +00002632 verifyFormat("f(\"a\", \"b\"\n"
2633 " \"c\");");
Daniel Jasperaf5ba0e2013-02-23 07:46:38 +00002634
2635 verifyFormat(
2636 "#define LL_FORMAT \"ll\"\n"
2637 "printf(\"aaaaa: %d, bbbbbb: %\" LL_FORMAT \"d, cccccccc: %\" LL_FORMAT\n"
2638 " \"d, ddddddddd: %\" LL_FORMAT \"d\");");
Daniel Jasper47a04442013-05-13 20:50:15 +00002639
2640 verifyFormat("#define A(X) \\\n"
2641 " \"aaaaa\" #X \"bbbbbb\" \\\n"
2642 " \"ccccc\"",
2643 getLLVMStyleWithColumns(23));
2644 verifyFormat("#define A \"def\"\n"
2645 "f(\"abc\" A \"ghi\"\n"
2646 " \"jkl\");");
Daniel Jasperf7935112012-12-03 18:12:45 +00002647}
2648
Alexander Kornienko578fdd82012-12-06 18:03:27 +00002649TEST_F(FormatTest, AlignsPipes) {
2650 verifyFormat(
2651 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2652 " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2653 " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
2654 verifyFormat(
2655 "aaaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaa\n"
2656 " << aaaaaaaaaaaaaaaaaaaa;");
2657 verifyFormat(
2658 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2659 " << aaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
2660 verifyFormat(
2661 "llvm::outs() << \"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\"\n"
2662 " \"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\"\n"
2663 " << \"ccccccccccccccccccccccccccccccccccccccccccccccccc\";");
2664 verifyFormat(
2665 "aaaaaaaa << (aaaaaaaaaaaaaaaaaaa << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2666 " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
2667 " << aaaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
Daniel Jasper2603ee02013-02-04 07:34:48 +00002668
2669 verifyFormat("return out << \"somepacket = {\\n\"\n"
2670 " << \" aaaaaa = \" << pkt.aaaaaa << \"\\n\"\n"
2671 " << \" bbbb = \" << pkt.bbbb << \"\\n\"\n"
2672 " << \" cccccc = \" << pkt.cccccc << \"\\n\"\n"
2673 " << \" ddd = [\" << pkt.ddd << \"]\\n\"\n"
2674 " << \"}\";");
Daniel Jasperba9ddb62013-02-06 21:04:05 +00002675
2676 verifyFormat(
2677 "llvm::outs() << \"aaaaaaaaaaaaaaaaa = \" << aaaaaaaaaaaaaaaaa\n"
2678 " << \"bbbbbbbbbbbbbbbbb = \" << bbbbbbbbbbbbbbbbb\n"
2679 " << \"ccccccccccccccccc = \" << ccccccccccccccccc\n"
2680 " << \"ddddddddddddddddd = \" << ddddddddddddddddd\n"
2681 " << \"eeeeeeeeeeeeeeeee = \" << eeeeeeeeeeeeeeeee;");
Daniel Jasperf38a0ac2013-03-14 14:00:17 +00002682 verifyFormat("llvm::outs() << aaaaaaaaaaaaaaaaaaaaaaaa << \"=\"\n"
2683 " << bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb;");
Daniel Jaspera4c571c2013-05-22 09:13:26 +00002684 verifyFormat("llvm::outs() << \"aaaaaaaaaaaaaaaaaaaaaaaa: \"\n"
2685 " << aaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
Daniel Jasperc238c872013-04-02 14:33:13 +00002686
2687 verifyFormat(
2688 "llvm::errs() << aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2689 " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();");
Alexander Kornienko578fdd82012-12-06 18:03:27 +00002690}
2691
Daniel Jasperf7935112012-12-03 18:12:45 +00002692TEST_F(FormatTest, UnderstandsEquals) {
2693 verifyFormat(
2694 "aaaaaaaaaaaaaaaaa =\n"
2695 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
2696 verifyFormat(
2697 "if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00002698 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}");
Daniel Jasperf7935112012-12-03 18:12:45 +00002699 verifyFormat(
2700 "if (a) {\n"
Manuel Klimeke7d10a12013-01-10 13:24:24 +00002701 " f();\n"
Daniel Jasperf7935112012-12-03 18:12:45 +00002702 "} else if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00002703 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n"
2704 "}");
Daniel Jasperf7935112012-12-03 18:12:45 +00002705
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00002706 verifyFormat("if (int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n"
2707 " 100000000 + 10000000) {\n}");
Daniel Jasperf7935112012-12-03 18:12:45 +00002708}
2709
Daniel Jasper5485d0c2012-12-17 14:34:14 +00002710TEST_F(FormatTest, WrapsAtFunctionCallsIfNecessary) {
Daniel Jasper2af6bbe2012-12-18 21:05:13 +00002711 verifyFormat("LoooooooooooooooooooooooooooooooooooooongObject\n"
2712 " .looooooooooooooooooooooooooooooooooooooongFunction();");
Daniel Jasper5485d0c2012-12-17 14:34:14 +00002713
Daniel Jasper2af6bbe2012-12-18 21:05:13 +00002714 verifyFormat("LoooooooooooooooooooooooooooooooooooooongObject\n"
2715 " ->looooooooooooooooooooooooooooooooooooooongFunction();");
Daniel Jasper5485d0c2012-12-17 14:34:14 +00002716
2717 verifyFormat(
2718 "LooooooooooooooooooooooooooooooooongObject->shortFunction(Parameter1,\n"
2719 " Parameter2);");
2720
2721 verifyFormat(
2722 "ShortObject->shortFunction(\n"
2723 " LooooooooooooooooooooooooooooooooooooooooooooooongParameter1,\n"
2724 " LooooooooooooooooooooooooooooooooooooooooooooooongParameter2);");
2725
2726 verifyFormat("loooooooooooooongFunction(\n"
2727 " LoooooooooooooongObject->looooooooooooooooongFunction());");
2728
2729 verifyFormat(
2730 "function(LoooooooooooooooooooooooooooooooooooongObject\n"
2731 " ->loooooooooooooooooooooooooooooooooooooooongFunction());");
2732
Daniel Jasper687af3b2013-02-14 14:26:07 +00002733 verifyFormat("EXPECT_CALL(SomeObject, SomeFunction(Parameter))\n"
2734 " .WillRepeatedly(Return(SomeValue));");
2735 verifyFormat("SomeMap[std::pair(aaaaaaaaaaaa, bbbbbbbbbbbbbbb)]\n"
2736 " .insert(ccccccccccccccccccccccc);");
Daniel Jasper32a796b2013-05-27 11:50:16 +00002737 verifyFormat("aaaaa(aaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
2738 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa).aaaaa(aaaaa),\n"
2739 " aaaaaaaaaaaaaaaaaaaaa);");
Daniel Jasper9b334242013-03-15 14:57:30 +00002740 verifyFormat(
2741 "aaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
2742 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa)\n"
2743 " .aaaaaaaaaaaaaaa(\n"
Daniel Jasper66e4f832013-05-10 13:37:16 +00002744 " aa(aaaaaaaaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
2745 " aaaaaaaaaaaaaaaaaaaaaaaaaaa));");
Daniel Jasperc238c872013-04-02 14:33:13 +00002746 verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2747 " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2748 " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2749 " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa()) {\n"
2750 "}");
Daniel Jasper687af3b2013-02-14 14:26:07 +00002751
Daniel Jasperc7345cc2013-01-07 07:13:20 +00002752 // Here, it is not necessary to wrap at "." or "->".
Daniel Jasper2af6bbe2012-12-18 21:05:13 +00002753 verifyFormat("if (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaa) ||\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00002754 " aaaa.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa) {\n}");
Daniel Jasperc7345cc2013-01-07 07:13:20 +00002755 verifyFormat(
2756 "aaaaaaaaaaa->aaaaaaaaa(\n"
2757 " aaaaaaaaaaaaaaaaaaaaaaaaa,\n"
2758 " aaaaaaaaaaaaaaaaaa->aaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaaaa));\n");
Daniel Jaspere11095a2013-02-14 15:01:34 +00002759
2760 verifyFormat(
2761 "aaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2762 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa().aaaaaaaaaaaaaaaaa());");
Daniel Jasper8f6ae192013-03-13 15:37:48 +00002763 verifyFormat("a->aaaaaa()->aaaaaaaaaaa(aaaaaaaa()->aaaaaa()->aaaaa() *\n"
2764 " aaaaaaaaa()->aaaaaa()->aaaaa());");
2765 verifyFormat("a->aaaaaa()->aaaaaaaaaaa(aaaaaaaa()->aaaaaa()->aaaaa() ||\n"
2766 " aaaaaaaaa()->aaaaaa()->aaaaa());");
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00002767
Daniel Jasper9b334242013-03-15 14:57:30 +00002768 // FIXME: Should we break before .a()?
2769 verifyFormat("aaaaa(aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
2770 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa).a();");
2771
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00002772 FormatStyle NoBinPacking = getLLVMStyle();
2773 NoBinPacking.BinPackParameters = false;
2774 verifyFormat("aaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaa)\n"
2775 " .aaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaa)\n"
2776 " .aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaa,\n"
2777 " aaaaaaaaaaaaaaaaaaa,\n"
2778 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);",
2779 NoBinPacking);
Daniel Jasper5485d0c2012-12-17 14:34:14 +00002780}
2781
Daniel Jasperac5c1c22013-01-02 15:08:56 +00002782TEST_F(FormatTest, WrapsTemplateDeclarations) {
2783 verifyFormat("template <typename T>\n"
2784 "virtual void loooooooooooongFunction(int Param1, int Param2);");
2785 verifyFormat(
Daniel Jasper04468962013-01-18 10:56:38 +00002786 "template <typename T>\n"
Daniel Jasper400adc62013-02-08 15:28:42 +00002787 "using comment_to_xml_conversion = comment_to_xml_conversion<T, int>;");
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00002788 verifyFormat("template <typename T>\n"
2789 "void f(int Paaaaaaaaaaaaaaaaaaaaaaaaaaaaaaram1,\n"
2790 " int Paaaaaaaaaaaaaaaaaaaaaaaaaaaaaaram2);");
Daniel Jasperac5c1c22013-01-02 15:08:56 +00002791 verifyFormat(
2792 "template <typename T>\n"
2793 "void looooooooooooooooooooongFunction(int Paaaaaaaaaaaaaaaaaaaaram1,\n"
2794 " int Paaaaaaaaaaaaaaaaaaaaram2);");
Daniel Jasper90e51fd2013-01-02 18:30:06 +00002795 verifyFormat(
2796 "template <typename T>\n"
2797 "aaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaa,\n"
2798 " aaaaaaaaaaaaaaaaaaaaaaaaaa<T>::aaaaaaaaaa,\n"
2799 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
Daniel Jasper89058942013-01-09 09:50:48 +00002800 verifyFormat("template <typename T>\n"
2801 "void aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
Daniel Jaspera628c982013-04-03 13:36:17 +00002802 " int aaaaaaaaaaaaaaaaaaaaaa);");
Daniel Jasperbcab4302013-01-09 10:40:23 +00002803 verifyFormat(
2804 "template <typename T1, typename T2 = char, typename T3 = char,\n"
2805 " typename T4 = char>\n"
2806 "void f();");
Daniel Jasper7a31af12013-01-25 15:43:32 +00002807 verifyFormat(
2808 "aaaaaaaaaaaaaaaaaaaaaaaa<aaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaa>(\n"
2809 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
Daniel Jasper3a9370c2013-02-04 07:21:18 +00002810
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00002811 verifyFormat("a<aaaaaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaaaaa>(\n"
2812 " a(aaaaaaaaaaaaaaaaaa, aaaaaaaaaaaaaaaa));");
Daniel Jasper61e6bbf2013-05-29 12:07:31 +00002813
2814 verifyFormat("template <typename T> class C {\n};");
2815 verifyFormat("template <typename T> void f();");
2816 verifyFormat("template <typename T> void f() {}");
2817
2818 FormatStyle AlwaysBreak = getLLVMStyle();
2819 AlwaysBreak.AlwaysBreakTemplateDeclarations = true;
2820 verifyFormat("template <typename T>\nclass C {\n};", AlwaysBreak);
2821 verifyFormat("template <typename T>\nvoid f();", AlwaysBreak);
2822 verifyFormat("template <typename T>\nvoid f() {}", AlwaysBreak);
Daniel Jasperac5c1c22013-01-02 15:08:56 +00002823}
2824
Daniel Jasper45797022013-01-25 10:57:27 +00002825TEST_F(FormatTest, WrapsAtNestedNameSpecifiers) {
2826 verifyFormat(
2827 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n"
2828 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();");
2829 verifyFormat(
2830 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n"
2831 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2832 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa());");
2833
Daniel Jasper0f0234e2013-05-08 10:00:18 +00002834 // FIXME: Should we have the extra indent after the second break?
Daniel Jasper45797022013-01-25 10:57:27 +00002835 verifyFormat(
2836 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n"
2837 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n"
Daniel Jasper0f0234e2013-05-08 10:00:18 +00002838 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();");
Daniel Jasper45797022013-01-25 10:57:27 +00002839
Daniel Jasper45797022013-01-25 10:57:27 +00002840 verifyFormat(
2841 "aaaaaaaaaaaaaaa(bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb::\n"
Daniel Jasper4ad42352013-01-28 07:43:15 +00002842 " cccccccccccccccccccccccccccccccccccccccccccccc());");
Daniel Jasper45797022013-01-25 10:57:27 +00002843
2844 // Breaking at nested name specifiers is generally not desirable.
2845 verifyFormat(
2846 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
2847 " aaaaaaaaaaaaaaaaaaaaaaa);");
Daniel Jasperca6623b2013-01-28 12:45:14 +00002848
2849 verifyFormat(
2850 "aaaaaaaaaaaaaaaaaa(aaaaaaaa, aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n"
2851 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
2852 " aaaaaaaaaaaaaaaaaaaaa);",
2853 getLLVMStyleWithColumns(74));
Daniel Jasperc238c872013-04-02 14:33:13 +00002854
2855 verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa::\n"
2856 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
2857 " .aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa();");
Daniel Jasper45797022013-01-25 10:57:27 +00002858}
2859
Daniel Jasperf7935112012-12-03 18:12:45 +00002860TEST_F(FormatTest, UnderstandsTemplateParameters) {
2861 verifyFormat("A<int> a;");
2862 verifyFormat("A<A<A<int> > > a;");
2863 verifyFormat("A<A<A<int, 2>, 3>, 4> a;");
2864 verifyFormat("bool x = a < 1 || 2 > a;");
2865 verifyFormat("bool x = 5 < f<int>();");
2866 verifyFormat("bool x = f<int>() > 5;");
2867 verifyFormat("bool x = 5 < a<int>::x;");
2868 verifyFormat("bool x = a < 4 ? a > 2 : false;");
2869 verifyFormat("bool x = f() ? a < 2 : a > 2;");
2870
2871 verifyGoogleFormat("A<A<int>> a;");
2872 verifyGoogleFormat("A<A<A<int>>> a;");
2873 verifyGoogleFormat("A<A<A<A<int>>>> a;");
Daniel Jasper7fce3ab2013-02-06 14:22:40 +00002874 verifyGoogleFormat("A<A<int> > a;");
2875 verifyGoogleFormat("A<A<A<int> > > a;");
2876 verifyGoogleFormat("A<A<A<A<int> > > > a;");
2877 EXPECT_EQ("A<A<A<A>>> a;", format("A<A<A<A> >> a;", getGoogleStyle()));
2878 EXPECT_EQ("A<A<A<A>>> a;", format("A<A<A<A>> > a;", getGoogleStyle()));
Daniel Jasperf7935112012-12-03 18:12:45 +00002879
2880 verifyFormat("test >> a >> b;");
2881 verifyFormat("test << a >> b;");
2882
2883 verifyFormat("f<int>();");
Manuel Klimeke7d10a12013-01-10 13:24:24 +00002884 verifyFormat("template <typename T> void f() {}");
Daniel Jasperf7935112012-12-03 18:12:45 +00002885}
2886
Daniel Jasperd8ffcfa2013-02-28 09:21:10 +00002887TEST_F(FormatTest, UnderstandsBinaryOperators) {
2888 verifyFormat("COMPARE(a, ==, b);");
Alexander Kornienko674be0a2013-03-20 16:41:56 +00002889}
2890
2891TEST_F(FormatTest, UnderstandsPointersToMembers) {
2892 verifyFormat("int A::*x;");
Daniel Jaspercfda5172013-05-08 14:58:20 +00002893 verifyFormat("int (S::*func)(void *);");
Daniel Jasper37194282013-05-28 08:33:00 +00002894 verifyFormat("void f() { int (S::*func)(void *); }");
Daniel Jasper2f34cac2013-05-08 15:06:58 +00002895 verifyFormat("typedef bool *(Class::*Member)() const;");
Daniel Jaspercfda5172013-05-08 14:58:20 +00002896 verifyFormat("void f() {\n"
2897 " (a->*f)();\n"
2898 " a->*x;\n"
2899 " (a.*f)();\n"
2900 " ((*a).*f)();\n"
2901 " a.*x;\n"
2902 "}");
Daniel Jasper2f34cac2013-05-08 15:06:58 +00002903 FormatStyle Style = getLLVMStyle();
2904 Style.PointerBindsToType = true;
2905 verifyFormat("typedef bool* (Class::*Member)() const;", Style);
Daniel Jasperd8ffcfa2013-02-28 09:21:10 +00002906}
2907
Daniel Jasper8dd40472012-12-21 09:41:31 +00002908TEST_F(FormatTest, UnderstandsUnaryOperators) {
Daniel Jasperf7935112012-12-03 18:12:45 +00002909 verifyFormat("int a = -2;");
Daniel Jasper8b529712012-12-04 13:02:32 +00002910 verifyFormat("f(-1, -2, -3);");
2911 verifyFormat("a[-1] = 5;");
2912 verifyFormat("int a = 5 + -2;");
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00002913 verifyFormat("if (i == -1) {\n}");
2914 verifyFormat("if (i != -1) {\n}");
2915 verifyFormat("if (i > -1) {\n}");
2916 verifyFormat("if (i < -1) {\n}");
Daniel Jasper26333c32012-12-06 13:16:39 +00002917 verifyFormat("++(a->f());");
2918 verifyFormat("--(a->f());");
Daniel Jasper13f23e12013-01-14 12:18:19 +00002919 verifyFormat("(a->f())++;");
2920 verifyFormat("a[42]++;");
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00002921 verifyFormat("if (!(a->f())) {\n}");
Daniel Jasper8dd40472012-12-21 09:41:31 +00002922
2923 verifyFormat("a-- > b;");
2924 verifyFormat("b ? -a : c;");
2925 verifyFormat("n * sizeof char16;");
Daniel Jasper3c0431c2013-01-02 17:21:36 +00002926 verifyFormat("n * alignof char16;");
Daniel Jasper8dd40472012-12-21 09:41:31 +00002927 verifyFormat("sizeof(char);");
Daniel Jasper3c0431c2013-01-02 17:21:36 +00002928 verifyFormat("alignof(char);");
Daniel Jasperda1c68a2013-01-02 15:26:16 +00002929
2930 verifyFormat("return -1;");
2931 verifyFormat("switch (a) {\n"
2932 "case -1:\n"
2933 " break;\n"
2934 "}");
Daniel Jasper399d1ee2013-03-22 10:44:43 +00002935 verifyFormat("#define X -1");
2936 verifyFormat("#define X -kConstant");
Nico Weber63a54eb2013-01-12 05:41:23 +00002937
2938 verifyFormat("const NSPoint kBrowserFrameViewPatternOffset = { -5, +3 };");
2939 verifyFormat("const NSPoint kBrowserFrameViewPatternOffset = { +5, -3 };");
Daniel Jasper71945272013-01-15 14:27:39 +00002940
2941 verifyFormat("int a = /* confusing comment */ -1;");
2942 // FIXME: The space after 'i' is wrong, but hopefully, this is a rare case.
2943 verifyFormat("int a = i /* confusing comment */++;");
Daniel Jasperf7935112012-12-03 18:12:45 +00002944}
2945
2946TEST_F(FormatTest, UndestandsOverloadedOperators) {
Daniel Jasper537a2962012-12-24 10:56:04 +00002947 verifyFormat("bool operator<();");
2948 verifyFormat("bool operator>();");
2949 verifyFormat("bool operator=();");
2950 verifyFormat("bool operator==();");
2951 verifyFormat("bool operator!=();");
2952 verifyFormat("int operator+();");
2953 verifyFormat("int operator++();");
2954 verifyFormat("bool operator();");
2955 verifyFormat("bool operator()();");
2956 verifyFormat("bool operator[]();");
2957 verifyFormat("operator bool();");
Daniel Jasper35d2dc72013-02-11 08:01:18 +00002958 verifyFormat("operator int();");
2959 verifyFormat("operator void *();");
Daniel Jasper537a2962012-12-24 10:56:04 +00002960 verifyFormat("operator SomeType<int>();");
Daniel Jasper35d2dc72013-02-11 08:01:18 +00002961 verifyFormat("operator SomeType<int, int>();");
2962 verifyFormat("operator SomeType<SomeType<int> >();");
Daniel Jasper537a2962012-12-24 10:56:04 +00002963 verifyFormat("void *operator new(std::size_t size);");
2964 verifyFormat("void *operator new[](std::size_t size);");
2965 verifyFormat("void operator delete(void *ptr);");
2966 verifyFormat("void operator delete[](void *ptr);");
Daniel Jasper8f9624b2013-05-10 07:59:58 +00002967 verifyFormat("template <typename AAAAAAA, typename BBBBBBB>\n"
2968 "AAAAAAA operator/(const AAAAAAA &a, BBBBBBB &b);");
Daniel Jasper35d2dc72013-02-11 08:01:18 +00002969
Daniel Jasper0af92eb2013-02-15 19:24:08 +00002970 verifyFormat(
2971 "ostream &operator<<(ostream &OutputStream,\n"
2972 " SomeReallyLongType WithSomeReallyLongValue);");
Daniel Jasper54ac8202013-04-05 17:21:59 +00002973 verifyFormat("bool operator<(const aaaaaaaaaaaaaaaaaaaaa &left,\n"
2974 " const aaaaaaaaaaaaaaaaaaaaa &right) {\n"
2975 " return left.group < right.group;\n"
2976 "}");
Daniel Jasper6e8f4ed2013-04-11 08:48:20 +00002977 verifyFormat("SomeType &operator=(const SomeType &S);");
Daniel Jasper0af92eb2013-02-15 19:24:08 +00002978
Daniel Jasper35d2dc72013-02-11 08:01:18 +00002979 verifyGoogleFormat("operator void*();");
2980 verifyGoogleFormat("operator SomeType<SomeType<int>>();");
Daniel Jasperf7935112012-12-03 18:12:45 +00002981}
2982
Daniel Jasperd6a947f2013-01-11 16:09:04 +00002983TEST_F(FormatTest, UnderstandsNewAndDelete) {
Daniel Jasperba0bda92013-02-23 08:07:18 +00002984 verifyFormat("void f() {\n"
2985 " A *a = new A;\n"
2986 " A *a = new (placement) A;\n"
2987 " delete a;\n"
2988 " delete (A *)a;\n"
2989 "}");
Daniel Jasperd6a947f2013-01-11 16:09:04 +00002990}
2991
Daniel Jasper22bcf8a2013-01-02 08:57:10 +00002992TEST_F(FormatTest, UnderstandsUsesOfStarAndAmp) {
Manuel Klimeke7d10a12013-01-10 13:24:24 +00002993 verifyFormat("int *f(int *a) {}");
Manuel Klimeke7d10a12013-01-10 13:24:24 +00002994 verifyFormat("int main(int argc, char **argv) {}");
Daniel Jasper5065bc42013-02-18 12:44:35 +00002995 verifyFormat("Test::Test(int b) : a(b * b) {}");
Daniel Jasper5b49f472013-01-23 12:10:53 +00002996 verifyIndependentOfContext("f(a, *a);");
Daniel Jasper8eb371b2013-03-01 17:13:29 +00002997 verifyFormat("void g() { f(*a); }");
Daniel Jasper5b49f472013-01-23 12:10:53 +00002998 verifyIndependentOfContext("int a = b * 10;");
2999 verifyIndependentOfContext("int a = 10 * b;");
3000 verifyIndependentOfContext("int a = b * c;");
3001 verifyIndependentOfContext("int a += b * c;");
3002 verifyIndependentOfContext("int a -= b * c;");
3003 verifyIndependentOfContext("int a *= b * c;");
3004 verifyIndependentOfContext("int a /= b * c;");
3005 verifyIndependentOfContext("int a = *b;");
3006 verifyIndependentOfContext("int a = *b * c;");
3007 verifyIndependentOfContext("int a = b * *c;");
3008 verifyIndependentOfContext("return 10 * b;");
3009 verifyIndependentOfContext("return *b * *c;");
3010 verifyIndependentOfContext("return a & ~b;");
3011 verifyIndependentOfContext("f(b ? *c : *d);");
3012 verifyIndependentOfContext("int a = b ? *c : *d;");
3013 verifyIndependentOfContext("*b = a;");
3014 verifyIndependentOfContext("a * ~b;");
3015 verifyIndependentOfContext("a * !b;");
3016 verifyIndependentOfContext("a * +b;");
3017 verifyIndependentOfContext("a * -b;");
3018 verifyIndependentOfContext("a * ++b;");
3019 verifyIndependentOfContext("a * --b;");
3020 verifyIndependentOfContext("a[4] * b;");
Daniel Jasper8e559272013-02-27 11:43:50 +00003021 verifyIndependentOfContext("a[a * a] = 1;");
Daniel Jasper5b49f472013-01-23 12:10:53 +00003022 verifyIndependentOfContext("f() * b;");
3023 verifyIndependentOfContext("a * [self dostuff];");
Daniel Jasper6e42b1e2013-04-01 17:13:26 +00003024 verifyIndependentOfContext("int x = a * (a + b);");
Daniel Jasper5b49f472013-01-23 12:10:53 +00003025 verifyIndependentOfContext("(a *)(a + b);");
3026 verifyIndependentOfContext("int *pa = (int *)&a;");
Nico Weber44449172013-02-12 16:17:07 +00003027 verifyIndependentOfContext("return sizeof(int **);");
3028 verifyIndependentOfContext("return sizeof(int ******);");
3029 verifyIndependentOfContext("return (int **&)a;");
Daniel Jasper4d03d3b2013-05-28 15:27:10 +00003030 verifyIndependentOfContext("f((*PointerToArray)[10]);");
Daniel Jasper8eb371b2013-03-01 17:13:29 +00003031 verifyFormat("void f(Type (*parameter)[10]) {}");
Nico Weber44449172013-02-12 16:17:07 +00003032 verifyGoogleFormat("return sizeof(int**);");
3033 verifyIndependentOfContext("Type **A = static_cast<Type **>(P);");
3034 verifyGoogleFormat("Type** A = static_cast<Type**>(P);");
Manuel Klimekab419912013-05-23 09:41:43 +00003035 verifyFormat("auto a = [](int **&, int ***) {};");
Daniel Jasper27234032012-12-07 09:52:15 +00003036
Daniel Jasper5b49f472013-01-23 12:10:53 +00003037 verifyIndependentOfContext("InvalidRegions[*R] = 0;");
Daniel Jasper3c2557d2013-01-04 20:46:38 +00003038
Daniel Jasper5b49f472013-01-23 12:10:53 +00003039 verifyIndependentOfContext("A<int *> a;");
3040 verifyIndependentOfContext("A<int **> a;");
3041 verifyIndependentOfContext("A<int *, int *> a;");
Daniel Jasperc697ad22013-02-06 10:05:46 +00003042 verifyIndependentOfContext(
3043 "const char *const p = reinterpret_cast<const char *const>(q);");
Daniel Jasper5b49f472013-01-23 12:10:53 +00003044 verifyIndependentOfContext("A<int **, int **> a;");
Daniel Jasper8035b0a2013-02-06 10:57:42 +00003045 verifyIndependentOfContext("void f(int *a = d * e, int *b = c * d);");
Daniel Jasperae907642013-03-14 10:50:25 +00003046 verifyFormat("for (char **a = b; *a; ++a) {\n}");
Daniel Jasperc37de302013-05-03 14:41:24 +00003047 verifyFormat("for (; a && b;) {\n}");
Daniel Jaspera4396862012-12-10 18:59:13 +00003048
Daniel Jasper66dcb1c2013-01-08 20:03:18 +00003049 verifyFormat(
3050 "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
3051 " aaaaaaaaaaaaaaaaaaaaaaaaaaaa, *aaaaaaaaaaaaaaaaaaaaaaaaaaaaa);");
3052
Manuel Klimeke7d10a12013-01-10 13:24:24 +00003053 verifyGoogleFormat("int main(int argc, char** argv) {}");
Daniel Jaspera4396862012-12-10 18:59:13 +00003054 verifyGoogleFormat("A<int*> a;");
3055 verifyGoogleFormat("A<int**> a;");
3056 verifyGoogleFormat("A<int*, int*> a;");
3057 verifyGoogleFormat("A<int**, int**> a;");
Daniel Jasper22bcf8a2013-01-02 08:57:10 +00003058 verifyGoogleFormat("f(b ? *c : *d);");
3059 verifyGoogleFormat("int a = b ? *c : *d;");
Daniel Jaspera1dc93a2013-01-16 16:04:06 +00003060 verifyGoogleFormat("Type* t = **x;");
3061 verifyGoogleFormat("Type* t = *++*x;");
3062 verifyGoogleFormat("*++*x;");
3063 verifyGoogleFormat("Type* t = const_cast<T*>(&*x);");
3064 verifyGoogleFormat("Type* t = x++ * y;");
Daniel Jasperc697ad22013-02-06 10:05:46 +00003065 verifyGoogleFormat(
3066 "const char* const p = reinterpret_cast<const char* const>(q);");
Manuel Klimek557811f2013-01-14 10:58:01 +00003067
Daniel Jasper5b49f472013-01-23 12:10:53 +00003068 verifyIndependentOfContext("a = *(x + y);");
3069 verifyIndependentOfContext("a = &(x + y);");
3070 verifyIndependentOfContext("*(x + y).call();");
3071 verifyIndependentOfContext("&(x + y)->call();");
Daniel Jasper8eb371b2013-03-01 17:13:29 +00003072 verifyFormat("void f() { &(*I).first; }");
Daniel Jasper71945272013-01-15 14:27:39 +00003073
Daniel Jasper5b49f472013-01-23 12:10:53 +00003074 verifyIndependentOfContext("f(b * /* confusing comment */ ++c);");
Daniel Jasper71945272013-01-15 14:27:39 +00003075 verifyFormat(
3076 "int *MyValues = {\n"
3077 " *A, // Operator detection might be confused by the '{'\n"
3078 " *BB // Operator detection might be confused by previous comment\n"
3079 "};");
Nico Weber80a82762013-01-17 17:17:19 +00003080
Daniel Jasper5b49f472013-01-23 12:10:53 +00003081 verifyIndependentOfContext("if (int *a = &b)");
3082 verifyIndependentOfContext("if (int &a = *b)");
3083 verifyIndependentOfContext("if (a & b[i])");
3084 verifyIndependentOfContext("if (a::b::c::d & b[i])");
3085 verifyIndependentOfContext("if (*b[i])");
3086 verifyIndependentOfContext("if (int *a = (&b))");
3087 verifyIndependentOfContext("while (int *a = &b)");
Daniel Jasper420d7d32013-01-23 12:58:14 +00003088 verifyFormat("void f() {\n"
3089 " for (const int &v : Values) {\n"
3090 " }\n"
3091 "}");
Daniel Jasper5065bc42013-02-18 12:44:35 +00003092 verifyFormat("for (int i = a * a; i < 10; ++i) {\n}");
3093 verifyFormat("for (int i = 0; i < a * a; ++i) {\n}");
Daniel Jasper0b820602013-01-22 11:46:26 +00003094
Daniel Jasperb910bbb2013-05-13 07:14:40 +00003095 verifyFormat("#define MACRO \\\n"
3096 " int *i = a * b; \\\n"
3097 " void f(a *b);",
3098 getLLVMStyleWithColumns(19));
3099
Daniel Jasper97b89482013-03-13 07:49:51 +00003100 verifyIndependentOfContext("A = new SomeType *[Length];");
Daniel Jasper5b49f472013-01-23 12:10:53 +00003101 verifyIndependentOfContext("A = new SomeType *[Length]();");
Daniel Jasper0b820602013-01-22 11:46:26 +00003102 verifyGoogleFormat("A = new SomeType* [Length]();");
Daniel Jasper97b89482013-03-13 07:49:51 +00003103 verifyGoogleFormat("A = new SomeType* [Length];");
Daniel Jasperb910bbb2013-05-13 07:14:40 +00003104
Daniel Jasper990ff972013-05-07 14:17:18 +00003105 FormatStyle PointerLeft = getLLVMStyle();
3106 PointerLeft.PointerBindsToType = true;
3107 verifyFormat("delete *x;", PointerLeft);
Daniel Jasper8eb371b2013-03-01 17:13:29 +00003108}
Daniel Jasper7fce3ab2013-02-06 14:22:40 +00003109
Daniel Jasper10cd5812013-05-06 06:35:44 +00003110TEST_F(FormatTest, UnderstandsEllipsis) {
3111 verifyFormat("int printf(const char *fmt, ...);");
3112 verifyFormat("template <class... Ts> void Foo(Ts... ts) { Foo(ts...); }");
3113}
3114
Daniel Jasper8eb371b2013-03-01 17:13:29 +00003115TEST_F(FormatTest, AdaptivelyFormatsPointersAndReferences) {
Daniel Jasper7fce3ab2013-02-06 14:22:40 +00003116 EXPECT_EQ("int *a;\n"
3117 "int *a;\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003118 "int *a;",
3119 format("int *a;\n"
3120 "int* a;\n"
3121 "int *a;",
3122 getGoogleStyle()));
Daniel Jasper7fce3ab2013-02-06 14:22:40 +00003123 EXPECT_EQ("int* a;\n"
3124 "int* a;\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003125 "int* a;",
3126 format("int* a;\n"
3127 "int* a;\n"
3128 "int *a;",
3129 getGoogleStyle()));
Daniel Jasper7fce3ab2013-02-06 14:22:40 +00003130 EXPECT_EQ("int *a;\n"
3131 "int *a;\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003132 "int *a;",
3133 format("int *a;\n"
3134 "int * a;\n"
3135 "int * a;",
3136 getGoogleStyle()));
Daniel Jasperf7935112012-12-03 18:12:45 +00003137}
3138
Alexander Kornienkoa5151272013-03-12 16:28:18 +00003139TEST_F(FormatTest, UnderstandsRvalueReferences) {
3140 verifyFormat("int f(int &&a) {}");
3141 verifyFormat("int f(int a, char &&b) {}");
3142 verifyFormat("void f() { int &&a = b; }");
3143 verifyGoogleFormat("int f(int a, char&& b) {}");
3144 verifyGoogleFormat("void f() { int&& a = b; }");
3145
Daniel Jasper1eff9082013-05-27 16:36:33 +00003146 verifyIndependentOfContext("A<int &&> a;");
3147 verifyIndependentOfContext("A<int &&, int &&> a;");
3148 verifyGoogleFormat("A<int&&> a;");
3149 verifyGoogleFormat("A<int&&, int&&> a;");
Alexander Kornienkoa5151272013-03-12 16:28:18 +00003150}
3151
Manuel Klimekc1237a82013-01-23 14:08:21 +00003152TEST_F(FormatTest, FormatsBinaryOperatorsPrecedingEquals) {
3153 verifyFormat("void f() {\n"
3154 " x[aaaaaaaaa -\n"
Daniel Jasper6bee6822013-04-08 20:33:42 +00003155 " b] = 23;\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003156 "}",
3157 getLLVMStyleWithColumns(15));
Manuel Klimekc1237a82013-01-23 14:08:21 +00003158}
3159
Daniel Jasperef906a92013-01-13 08:01:36 +00003160TEST_F(FormatTest, FormatsCasts) {
3161 verifyFormat("Type *A = static_cast<Type *>(P);");
3162 verifyFormat("Type *A = (Type *)P;");
3163 verifyFormat("Type *A = (vector<Type *, int *>)P;");
3164 verifyFormat("int a = (int)(2.0f);");
3165
3166 // FIXME: These also need to be identified.
3167 verifyFormat("int a = (int) 2.0f;");
3168 verifyFormat("int a = (int) * b;");
3169
3170 // These are not casts.
3171 verifyFormat("void f(int *) {}");
Nico Weber4401b2a2013-02-13 04:32:57 +00003172 verifyFormat("f(foo)->b;");
3173 verifyFormat("f(foo).b;");
3174 verifyFormat("f(foo)(b);");
3175 verifyFormat("f(foo)[b];");
3176 verifyFormat("[](foo) { return 4; }(bar)];");
3177 verifyFormat("(*funptr)(foo)[4];");
3178 verifyFormat("funptrs[4](foo)[4];");
Daniel Jasperef906a92013-01-13 08:01:36 +00003179 verifyFormat("void f(int *);");
3180 verifyFormat("void f(int *) = 0;");
3181 verifyFormat("void f(SmallVector<int>) {}");
3182 verifyFormat("void f(SmallVector<int>);");
3183 verifyFormat("void f(SmallVector<int>) = 0;");
Nico Weber06fcec12013-02-09 18:02:07 +00003184 verifyFormat("void f(int i = (kValue) * kMask) {}");
3185 verifyFormat("void f(int i = (kA * kB) & kMask) {}");
Nico Weber4401b2a2013-02-13 04:32:57 +00003186 verifyFormat("int a = sizeof(int) * b;");
3187 verifyFormat("int a = alignof(int) * b;");
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00003188
Daniel Jasperba0bda92013-02-23 08:07:18 +00003189 // These are not casts, but at some point were confused with casts.
3190 verifyFormat("virtual void foo(int *) override;");
3191 verifyFormat("virtual void foo(char &) const;");
3192 verifyFormat("virtual void foo(int *a, char *) const;");
Daniel Jasper8a68b952013-03-13 17:13:53 +00003193 verifyFormat("int a = sizeof(int *) + b;");
3194 verifyFormat("int a = alignof(int *) + b;");
Daniel Jasperef906a92013-01-13 08:01:36 +00003195}
3196
Daniel Jasperc1fa2812013-01-10 13:08:12 +00003197TEST_F(FormatTest, FormatsFunctionTypes) {
Daniel Jasperc1fa2812013-01-10 13:08:12 +00003198 verifyFormat("A<bool()> a;");
3199 verifyFormat("A<SomeType()> a;");
Daniel Jasper37194282013-05-28 08:33:00 +00003200 verifyFormat("A<void (*)(int, std::string)> a;");
Daniel Jasperb8914dd2013-03-20 09:53:18 +00003201 verifyFormat("A<void *(int)>;");
Daniel Jasper6e42b1e2013-04-01 17:13:26 +00003202 verifyFormat("void *(*a)(int *, SomeType *);");
Daniel Jasper8eb371b2013-03-01 17:13:29 +00003203 verifyFormat("int (*func)(void *);");
Daniel Jasper37194282013-05-28 08:33:00 +00003204 verifyFormat("void f() { int (*func)(void *); }");
Daniel Jasperb8914dd2013-03-20 09:53:18 +00003205
Daniel Jasper6e42b1e2013-04-01 17:13:26 +00003206 verifyGoogleFormat("A<void*(int*, SomeType*)>;");
3207 verifyGoogleFormat("void* (*a)(int);");
Daniel Jasperabc34212013-05-14 08:34:47 +00003208
Daniel Jasper5dad58e2013-05-15 07:51:51 +00003209 // Other constructs can look somewhat like function types:
Daniel Jasperabc34212013-05-14 08:34:47 +00003210 verifyFormat("A<sizeof(*x)> a;");
Daniel Jasper5dad58e2013-05-15 07:51:51 +00003211 verifyFormat("#define DEREF_AND_CALL_F(x) f(*x)");
Daniel Jasperc1fa2812013-01-10 13:08:12 +00003212}
3213
Daniel Jasper26d1b1d2013-02-24 18:54:32 +00003214TEST_F(FormatTest, BreaksLongDeclarations) {
Daniel Jasper8e357692013-05-06 08:27:33 +00003215 verifyFormat("typedef LoooooooooooooooooooooooooooooooooooooooongType\n"
3216 " AnotherNameForTheLongType;");
3217 verifyFormat("LoooooooooooooooooooooooooooooooooooooooongType\n"
3218 " LoooooooooooooooooooooooooooooooooooooooongVariable;");
3219 verifyFormat("LoooooooooooooooooooooooooooooooooooooooongReturnType\n"
3220 " LoooooooooooooooooooooooooooooooongFunctionDeclaration();");
3221 verifyFormat("LoooooooooooooooooooooooooooooooooooooooongReturnType\n"
3222 "LooooooooooooooooooooooooooooooooooongFunctionDefinition() {}");
3223
3224 // FIXME: Without the comment, this breaks after "(".
3225 verifyFormat("LoooooooooooooooooooooooooooooooooooooooongType // break\n"
3226 " (*LoooooooooooooooooooooooooooongFunctionTypeVarialbe)();");
3227
Daniel Jasperd2639ef2013-01-28 15:16:31 +00003228 verifyFormat("int *someFunction(int LoooooooooooooooooooongParam1,\n"
Daniel Jasper12ef4e52013-02-21 21:33:55 +00003229 " int LoooooooooooooooooooongParam2) {}");
Daniel Jasperd1926a32013-01-02 08:44:14 +00003230 verifyFormat(
Daniel Jasper6728fc12013-04-11 14:29:13 +00003231 "TypeSpecDecl *TypeSpecDecl::Create(ASTContext &C, DeclContext *DC,\n"
3232 " SourceLocation L, IdentifierIn *II,\n"
3233 " Type *T) {}");
Daniel Jasper26d1b1d2013-02-24 18:54:32 +00003234 verifyFormat("ReallyLongReturnType<TemplateParam1, TemplateParam2>\n"
3235 "ReallyReallyLongFunctionName(\n"
3236 " const std::string &SomeParameter,\n"
3237 " const SomeType<string, SomeOtherTemplateParameter> &\n"
3238 " ReallyReallyLongParameterName,\n"
3239 " const SomeType<string, SomeOtherTemplateParameter> &\n"
3240 " AnotherLongParameterName) {}");
Daniel Jasperc6fbc212013-05-15 09:35:08 +00003241 verifyFormat("template <typename A>\n"
3242 "SomeLoooooooooooooooooooooongType<\n"
3243 " typename some_namespace::SomeOtherType<A>::Type>\n"
3244 "Function() {}");
Daniel Jasper26d1b1d2013-02-24 18:54:32 +00003245 verifyFormat(
3246 "aaaaaaaaaaaaaaaa::aaaaaaaaaaaaaaaa<aaaaaaaaaaaaa, aaaaaaaaaaaa>\n"
Daniel Jasper8e357692013-05-06 08:27:33 +00003247 " aaaaaaaaaaaaaaaaaaaaaaa;");
Daniel Jasper26d1b1d2013-02-24 18:54:32 +00003248
Daniel Jasperd36ef5e2013-01-28 15:40:20 +00003249 verifyGoogleFormat(
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00003250 "TypeSpecDecl* TypeSpecDecl::Create(ASTContext& C, DeclContext* DC,\n"
3251 " SourceLocation L) {}");
Daniel Jasperb9caeac2013-02-13 20:33:44 +00003252 verifyGoogleFormat(
3253 "some_namespace::LongReturnType\n"
3254 "long_namespace::SomeVeryLongClass::SomeVeryLongFunction(\n"
Daniel Jasper12ef4e52013-02-21 21:33:55 +00003255 " int first_long_parameter, int second_parameter) {}");
Daniel Jasperb9caeac2013-02-13 20:33:44 +00003256
3257 verifyGoogleFormat("template <typename T>\n"
3258 "aaaaaaaa::aaaaa::aaaaaa<T, aaaaaaaaaaaaaaaaaaaaaaaaa>\n"
Daniel Jasper12ef4e52013-02-21 21:33:55 +00003259 "aaaaaaaaaaaaaaaaaaaaaaaa<T>::aaaaaaa() {}");
Daniel Jasper57d4a582013-02-28 10:06:05 +00003260 verifyGoogleFormat("A<A<A>> aaaaaaaaaa(int aaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
3261 " int aaaaaaaaaaaaaaaaaaaaaaa);");
Daniel Jasperd1926a32013-01-02 08:44:14 +00003262}
3263
Daniel Jaspere9de2602012-12-06 09:56:08 +00003264TEST_F(FormatTest, LineStartsWithSpecialCharacter) {
3265 verifyFormat("(a)->b();");
3266 verifyFormat("--a;");
3267}
3268
Daniel Jasper8b529712012-12-04 13:02:32 +00003269TEST_F(FormatTest, HandlesIncludeDirectives) {
Daniel Jasper2ab0d012013-01-14 15:52:06 +00003270 verifyFormat("#include <string>\n"
3271 "#include <a/b/c.h>\n"
3272 "#include \"a/b/string\"\n"
3273 "#include \"string.h\"\n"
3274 "#include \"string.h\"\n"
Manuel Klimek99c7baa2013-01-15 15:50:27 +00003275 "#include <a-a>\n"
Daniel Jasperaf5ba0e2013-02-23 07:46:38 +00003276 "#include < path with space >\n"
Daniel Jasper4a4be012013-05-06 10:24:51 +00003277 "#include \"abc.h\" // this is included for ABC\n"
Daniel Jasper8bb99e82013-05-16 12:59:13 +00003278 "#include \"some long include\" // with a comment\n"
Daniel Jasperaf5ba0e2013-02-23 07:46:38 +00003279 "#include \"some very long include paaaaaaaaaaaaaaaaaaaaaaath\"",
3280 getLLVMStyleWithColumns(35));
Nico Weber8f83ee42012-12-21 18:21:56 +00003281
Daniel Jasper5ef433f2013-01-13 08:12:18 +00003282 verifyFormat("#import <string>");
3283 verifyFormat("#import <a/b/c.h>");
3284 verifyFormat("#import \"a/b/string\"");
3285 verifyFormat("#import \"string.h\"");
3286 verifyFormat("#import \"string.h\"");
Daniel Jasper8b529712012-12-04 13:02:32 +00003287}
3288
Alexander Kornienko578fdd82012-12-06 18:03:27 +00003289//===----------------------------------------------------------------------===//
3290// Error recovery tests.
3291//===----------------------------------------------------------------------===//
3292
Daniel Jasper66e9dee2013-02-14 09:19:04 +00003293TEST_F(FormatTest, IncompleteParameterLists) {
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00003294 FormatStyle NoBinPacking = getLLVMStyle();
3295 NoBinPacking.BinPackParameters = false;
3296 verifyFormat("void aaaaaaaaaaaaaaaaaa(int level,\n"
3297 " double *min_x,\n"
3298 " double *max_x,\n"
3299 " double *min_y,\n"
3300 " double *max_y,\n"
3301 " double *min_z,\n"
3302 " double *max_z, ) {}",
3303 NoBinPacking);
Daniel Jasper66e9dee2013-02-14 09:19:04 +00003304}
3305
Daniel Jasper83a54d22013-01-10 09:26:47 +00003306TEST_F(FormatTest, IncorrectCodeTrailingStuff) {
Alexander Kornienkoae6e53c2013-01-16 11:45:16 +00003307 verifyFormat("void f() { return; }\n42");
3308 verifyFormat("void f() {\n"
3309 " if (0)\n"
3310 " return;\n"
3311 "}\n"
3312 "42");
Alexander Kornienko1231e062013-01-16 11:43:46 +00003313 verifyFormat("void f() { return }\n42");
3314 verifyFormat("void f() {\n"
3315 " if (0)\n"
3316 " return\n"
3317 "}\n"
3318 "42");
3319}
3320
3321TEST_F(FormatTest, IncorrectCodeMissingSemicolon) {
3322 EXPECT_EQ("void f() { return }", format("void f ( ) { return }"));
3323 EXPECT_EQ("void f() {\n"
3324 " if (a)\n"
3325 " return\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003326 "}",
3327 format("void f ( ) { if ( a ) return }"));
Daniel Jasperabca58c2013-05-15 14:09:55 +00003328 EXPECT_EQ("namespace N {\n"
3329 "void f()\n"
3330 "}",
3331 format("namespace N { void f() }"));
Alexander Kornienko1231e062013-01-16 11:43:46 +00003332 EXPECT_EQ("namespace N {\n"
3333 "void f() {}\n"
3334 "void g()\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003335 "}",
3336 format("namespace N { void f( ) { } void g( ) }"));
Daniel Jasper83a54d22013-01-10 09:26:47 +00003337}
3338
Daniel Jasper2df93312013-01-09 10:16:05 +00003339TEST_F(FormatTest, IndentationWithinColumnLimitNotPossible) {
3340 verifyFormat("int aaaaaaaa =\n"
Alexander Kornienkoffd6d042013-03-27 11:52:18 +00003341 " // Overlylongcomment\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003342 " b;",
3343 getLLVMStyleWithColumns(20));
Daniel Jasper2df93312013-01-09 10:16:05 +00003344 verifyFormat("function(\n"
3345 " ShortArgument,\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003346 " LoooooooooooongArgument);\n",
3347 getLLVMStyleWithColumns(20));
Daniel Jasper2df93312013-01-09 10:16:05 +00003348}
3349
Alexander Kornienko2ca766f2012-12-10 16:34:48 +00003350TEST_F(FormatTest, IncorrectAccessSpecifier) {
3351 verifyFormat("public:");
3352 verifyFormat("class A {\n"
3353 "public\n"
Manuel Klimeke7d10a12013-01-10 13:24:24 +00003354 " void f() {}\n"
Alexander Kornienko2ca766f2012-12-10 16:34:48 +00003355 "};");
3356 verifyFormat("public\n"
3357 "int qwerty;");
3358 verifyFormat("public\n"
Manuel Klimeke7d10a12013-01-10 13:24:24 +00003359 "B {}");
Alexander Kornienko2ca766f2012-12-10 16:34:48 +00003360 verifyFormat("public\n"
Manuel Klimeke7d10a12013-01-10 13:24:24 +00003361 "{}");
Alexander Kornienko2ca766f2012-12-10 16:34:48 +00003362 verifyFormat("public\n"
Manuel Klimekf4ab9ef2013-01-11 17:54:10 +00003363 "B { int x; }");
Alexander Kornienko2ca766f2012-12-10 16:34:48 +00003364}
Daniel Jasperf7935112012-12-03 18:12:45 +00003365
Daniel Jasper291f9362013-03-20 15:58:10 +00003366TEST_F(FormatTest, IncorrectCodeUnbalancedBraces) {
3367 verifyFormat("{");
3368 verifyFormat("#})");
3369}
Alexander Kornienko0ea8e102012-12-04 15:40:36 +00003370
3371TEST_F(FormatTest, IncorrectCodeDoNoWhile) {
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00003372 verifyFormat("do {\n}");
3373 verifyFormat("do {\n}\n"
Alexander Kornienko0ea8e102012-12-04 15:40:36 +00003374 "f();");
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00003375 verifyFormat("do {\n}\n"
Alexander Kornienko0ea8e102012-12-04 15:40:36 +00003376 "wheeee(fun);");
3377 verifyFormat("do {\n"
3378 " f();\n"
Manuel Klimek28cacc72013-01-07 18:10:23 +00003379 "}");
Alexander Kornienko0ea8e102012-12-04 15:40:36 +00003380}
3381
Manuel Klimek9fa8d552013-01-11 19:23:05 +00003382TEST_F(FormatTest, IncorrectCodeMissingParens) {
Manuel Klimekadededf2013-01-11 18:28:36 +00003383 verifyFormat("if {\n foo;\n foo();\n}");
Manuel Klimek9fa8d552013-01-11 19:23:05 +00003384 verifyFormat("switch {\n foo;\n foo();\n}");
3385 verifyFormat("for {\n foo;\n foo();\n}");
3386 verifyFormat("while {\n foo;\n foo();\n}");
3387 verifyFormat("do {\n foo;\n foo();\n} while;");
Manuel Klimekadededf2013-01-11 18:28:36 +00003388}
3389
Daniel Jasperc0880a92013-01-04 18:52:56 +00003390TEST_F(FormatTest, DoesNotTouchUnwrappedLinesWithErrors) {
3391 verifyFormat("namespace {\n"
Manuel Klimek1abf7892013-01-04 23:34:14 +00003392 "class Foo { Foo ( }; } // comment");
Daniel Jasperc0880a92013-01-04 18:52:56 +00003393}
3394
Alexander Kornienko870f9eb2012-12-04 17:27:50 +00003395TEST_F(FormatTest, IncorrectCodeErrorDetection) {
Manuel Klimeke7d10a12013-01-10 13:24:24 +00003396 EXPECT_EQ("{\n{}\n", format("{\n{\n}\n"));
3397 EXPECT_EQ("{\n {}\n", format("{\n {\n}\n"));
3398 EXPECT_EQ("{\n {}\n", format("{\n {\n }\n"));
3399 EXPECT_EQ("{\n {}\n }\n}\n", format("{\n {\n }\n }\n}\n"));
Alexander Kornienko870f9eb2012-12-04 17:27:50 +00003400
Alexander Kornienko870f9eb2012-12-04 17:27:50 +00003401 EXPECT_EQ("{\n"
3402 " {\n"
3403 " breakme(\n"
3404 " qwe);\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003405 "}\n",
3406 format("{\n"
3407 " {\n"
3408 " breakme(qwe);\n"
3409 "}\n",
3410 getLLVMStyleWithColumns(10)));
Alexander Kornienko870f9eb2012-12-04 17:27:50 +00003411}
3412
Manuel Klimek73a2fdf2013-01-10 14:36:46 +00003413TEST_F(FormatTest, LayoutCallsInsideBraceInitializers) {
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003414 verifyFormat("int x = {\n"
3415 " avariable,\n"
3416 " b(alongervariable)\n"
3417 "};",
3418 getLLVMStyleWithColumns(25));
Manuel Klimek73a2fdf2013-01-10 14:36:46 +00003419}
3420
Manuel Klimek762dd182013-01-21 10:07:49 +00003421TEST_F(FormatTest, LayoutBraceInitializersInReturnStatement) {
3422 verifyFormat("return (a)(b) { 1, 2, 3 };");
3423}
3424
Manuel Klimekab419912013-05-23 09:41:43 +00003425TEST_F(FormatTest, LayoutCxx11ConstructorBraceInitializers) {
Daniel Jaspere5777d22013-05-23 10:15:45 +00003426 verifyFormat("vector<int> x{ 1, 2, 3, 4 };");
3427 verifyFormat("vector<T> x{ {}, {}, {}, {} };");
Manuel Klimekab419912013-05-23 09:41:43 +00003428 verifyFormat("f({ 1, 2 });");
Daniel Jaspere5777d22013-05-23 10:15:45 +00003429 verifyFormat("auto v = Foo{ 1 };");
Manuel Klimekab419912013-05-23 09:41:43 +00003430 verifyFormat("f({ 1, 2 }, { { 2, 3 }, { 4, 5 } }, c, { d });");
Daniel Jasperd4432392013-05-23 18:29:16 +00003431 verifyFormat("Class::Class : member{ 1, 2, 3 } {}");
Daniel Jasperf632f692013-05-23 21:35:49 +00003432 verifyFormat("new vector<int>{ 1, 2, 3 };");
3433 verifyFormat("new int[3]{ 1, 2, 3 };");
Daniel Jasperd4432392013-05-23 18:29:16 +00003434 verifyFormat("return { arg1, arg2 };");
Daniel Jasper1ec31062013-05-28 18:50:02 +00003435 verifyFormat("return { arg1, SomeType{ parameter } };");
Daniel Jasperd4432392013-05-23 18:29:16 +00003436 verifyFormat("new T{ arg1, arg2 };");
3437 verifyFormat("class Class {\n"
3438 " T member = { arg1, arg2 };\n"
3439 "};");
Daniel Jaspere5777d22013-05-23 10:15:45 +00003440
3441 FormatStyle NoSpaces = getLLVMStyle();
3442 NoSpaces.SpacesInBracedLists = false;
3443 verifyFormat("vector<int> x{1, 2, 3, 4};", NoSpaces);
3444 verifyFormat("vector<T> x{{}, {}, {}, {}};", NoSpaces);
3445 verifyFormat("f({1, 2});", NoSpaces);
Daniel Jasper5bd0b9e2013-05-23 18:05:18 +00003446 verifyFormat("auto v = Foo{-1};", NoSpaces);
Daniel Jaspere5777d22013-05-23 10:15:45 +00003447 verifyFormat("f({1, 2}, {{2, 3}, {4, 5}}, c, {d});", NoSpaces);
Daniel Jasperd4432392013-05-23 18:29:16 +00003448 verifyFormat("Class::Class : member{1, 2, 3} {}", NoSpaces);
Daniel Jasperf632f692013-05-23 21:35:49 +00003449 verifyFormat("new vector<int>{1, 2, 3};", NoSpaces);
3450 verifyFormat("new int[3]{1, 2, 3};", NoSpaces);
Daniel Jasperd4432392013-05-23 18:29:16 +00003451 verifyFormat("return {arg1, arg2};", NoSpaces);
Daniel Jasper1ec31062013-05-28 18:50:02 +00003452 verifyFormat("return {arg1, SomeType{parameter}};", NoSpaces);
Daniel Jasperd4432392013-05-23 18:29:16 +00003453 verifyFormat("new T{arg1, arg2};", NoSpaces);
3454 verifyFormat("class Class {\n"
3455 " T member = {arg1, arg2};\n"
3456 "};",
3457 NoSpaces);
Manuel Klimekab419912013-05-23 09:41:43 +00003458}
3459
Manuel Klimek73a2fdf2013-01-10 14:36:46 +00003460TEST_F(FormatTest, LayoutTokensFollowingBlockInParentheses) {
Daniel Jasper37905f72013-02-21 15:00:29 +00003461 // FIXME: This is bad, find a better and more generic solution.
Manuel Klimek73a2fdf2013-01-10 14:36:46 +00003462 verifyFormat(
3463 "Aaa({\n"
3464 " int i;\n"
Daniel Jasper37905f72013-02-21 15:00:29 +00003465 "},\n"
3466 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb,\n"
3467 " ccccccccccccccccc));");
Manuel Klimek73a2fdf2013-01-10 14:36:46 +00003468}
3469
Manuel Klimekf4ab9ef2013-01-11 17:54:10 +00003470TEST_F(FormatTest, PullTrivialFunctionDefinitionsIntoSingleLine) {
3471 verifyFormat("void f() { return 42; }");
3472 verifyFormat("void f() {\n"
3473 " // Comment\n"
3474 "}");
3475 verifyFormat("{\n"
3476 "#error {\n"
3477 " int a;\n"
3478 "}");
3479 verifyFormat("{\n"
3480 " int a;\n"
3481 "#error {\n"
3482 "}");
Daniel Jasperf9eb9b12013-05-16 10:17:39 +00003483 verifyFormat("void f() {} // comment");
3484 verifyFormat("void f() { int a; } // comment");
Daniel Jasper92716502013-05-16 16:54:34 +00003485 verifyFormat("void f() {\n"
3486 "} // comment",
3487 getLLVMStyleWithColumns(15));
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00003488
3489 verifyFormat("void f() { return 42; }", getLLVMStyleWithColumns(23));
3490 verifyFormat("void f() {\n return 42;\n}", getLLVMStyleWithColumns(22));
3491
3492 verifyFormat("void f() {}", getLLVMStyleWithColumns(11));
3493 verifyFormat("void f() {\n}", getLLVMStyleWithColumns(10));
Manuel Klimekf4ab9ef2013-01-11 17:54:10 +00003494}
3495
Manuel Klimeke01bab52013-01-15 13:38:33 +00003496TEST_F(FormatTest, UnderstandContextOfRecordTypeKeywords) {
3497 // Elaborate type variable declarations.
Manuel Klimekd5e5f8f2013-01-11 18:13:04 +00003498 verifyFormat("struct foo a = { bar };\nint n;");
Manuel Klimeke01bab52013-01-15 13:38:33 +00003499 verifyFormat("class foo a = { bar };\nint n;");
3500 verifyFormat("union foo a = { bar };\nint n;");
3501
3502 // Elaborate types inside function definitions.
3503 verifyFormat("struct foo f() {}\nint n;");
3504 verifyFormat("class foo f() {}\nint n;");
3505 verifyFormat("union foo f() {}\nint n;");
3506
3507 // Templates.
3508 verifyFormat("template <class X> void f() {}\nint n;");
3509 verifyFormat("template <struct X> void f() {}\nint n;");
3510 verifyFormat("template <union X> void f() {}\nint n;");
3511
3512 // Actual definitions...
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00003513 verifyFormat("struct {\n} n;");
3514 verifyFormat(
3515 "template <template <class T, class Y>, class Z> class X {\n} n;");
Manuel Klimeke01bab52013-01-15 13:38:33 +00003516 verifyFormat("union Z {\n int n;\n} x;");
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00003517 verifyFormat("class MACRO Z {\n} n;");
3518 verifyFormat("class MACRO(X) Z {\n} n;");
3519 verifyFormat("class __attribute__(X) Z {\n} n;");
3520 verifyFormat("class __declspec(X) Z {\n} n;");
Manuel Klimekd2650902013-02-06 15:57:54 +00003521 verifyFormat("class A##B##C {\n} n;");
Manuel Klimeke01bab52013-01-15 13:38:33 +00003522
Manuel Klimek3c6b7c72013-01-21 10:17:14 +00003523 // Redefinition from nested context:
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00003524 verifyFormat("class A::B::C {\n} n;");
Manuel Klimek3c6b7c72013-01-21 10:17:14 +00003525
Manuel Klimekcdee74d2013-01-21 13:58:54 +00003526 // Template definitions.
Daniel Jasper6f05e592013-05-15 13:46:48 +00003527 verifyFormat(
3528 "template <typename F>\n"
3529 "Matcher(const Matcher<F> &Other,\n"
3530 " typename enable_if_c<is_base_of<F, T>::value &&\n"
3531 " !is_same<F, T>::value>::type * = 0)\n"
3532 " : Implementation(new ImplicitCastMatcher<F>(Other)) {}");
3533
Manuel Klimekcdee74d2013-01-21 13:58:54 +00003534 // FIXME: This is still incorrectly handled at the formatter side.
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00003535 verifyFormat("template <> struct X < 15, i < 3 && 42 < 50 && 33<28> {\n};");
Manuel Klimekcdee74d2013-01-21 13:58:54 +00003536
3537 // FIXME:
3538 // This now gets parsed incorrectly as class definition.
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00003539 // verifyFormat("class A<int> f() {\n}\nint n;");
Manuel Klimekcdee74d2013-01-21 13:58:54 +00003540
Manuel Klimeke01bab52013-01-15 13:38:33 +00003541 // Elaborate types where incorrectly parsing the structural element would
3542 // break the indent.
3543 verifyFormat("if (true)\n"
3544 " class X x;\n"
3545 "else\n"
3546 " f();\n");
Daniel Jasper1a32a612013-03-20 15:12:38 +00003547
3548 // This is simply incomplete. Formatting is not important, but must not crash.
3549 verifyFormat("class A:");
Manuel Klimekd5e5f8f2013-01-11 18:13:04 +00003550}
3551
Manuel Klimek99c7baa2013-01-15 15:50:27 +00003552TEST_F(FormatTest, DoNotInterfereWithErrorAndWarning) {
3553 verifyFormat("#error Leave all white!!!!! space* alone!\n");
3554 verifyFormat("#warning Leave all white!!!!! space* alone!\n");
3555 EXPECT_EQ("#error 1", format(" # error 1"));
3556 EXPECT_EQ("#warning 1", format(" # warning 1"));
3557}
3558
Daniel Jasper4431aa92013-04-23 13:54:04 +00003559TEST_F(FormatTest, FormatHashIfExpressions) {
3560 // FIXME: Come up with a better indentation for #elif.
3561 verifyFormat(
3562 "#if !defined(AAAAAAA) && (defined CCCCCC || defined DDDDDD) && \\\n"
3563 " defined(BBBBBBBB)\n"
3564 "#elif !defined(AAAAAA) && (defined CCCCC || defined DDDDDD) && \\\n"
3565 " defined(BBBBBBBB)\n"
3566 "#endif",
3567 getLLVMStyleWithColumns(65));
3568}
3569
Manuel Klimekd3b92fa2013-01-18 14:04:34 +00003570TEST_F(FormatTest, MergeHandlingInTheFaceOfPreprocessorDirectives) {
3571 FormatStyle AllowsMergedIf = getGoogleStyle();
3572 AllowsMergedIf.AllowShortIfStatementsOnASingleLine = true;
3573 verifyFormat("void f() { f(); }\n#error E", AllowsMergedIf);
3574 verifyFormat("if (true) return 42;\n#error E", AllowsMergedIf);
Manuel Klimekda087612013-01-18 14:46:43 +00003575 verifyFormat("if (true)\n#error E\n return 42;", AllowsMergedIf);
3576 EXPECT_EQ("if (true) return 42;",
3577 format("if (true)\nreturn 42;", AllowsMergedIf));
3578 FormatStyle ShortMergedIf = AllowsMergedIf;
3579 ShortMergedIf.ColumnLimit = 25;
Daniel Jasper6fe2f002013-04-25 08:56:26 +00003580 verifyFormat("#define A \\\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003581 " if (true) return 42;",
3582 ShortMergedIf);
Daniel Jasper6fe2f002013-04-25 08:56:26 +00003583 verifyFormat("#define A \\\n"
3584 " f(); \\\n"
Manuel Klimekda087612013-01-18 14:46:43 +00003585 " if (true)\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003586 "#define B",
3587 ShortMergedIf);
Daniel Jasper6fe2f002013-04-25 08:56:26 +00003588 verifyFormat("#define A \\\n"
3589 " f(); \\\n"
Manuel Klimekda087612013-01-18 14:46:43 +00003590 " if (true)\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003591 "g();",
3592 ShortMergedIf);
Manuel Klimekd5e782b2013-01-21 14:16:56 +00003593 verifyFormat("{\n"
3594 "#ifdef A\n"
3595 " // Comment\n"
3596 " if (true) continue;\n"
3597 "#endif\n"
3598 " // Comment\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003599 " if (true) continue;",
3600 ShortMergedIf);
Manuel Klimekd3b92fa2013-01-18 14:04:34 +00003601}
3602
Manuel Klimekf92f7bc2013-01-22 16:31:55 +00003603TEST_F(FormatTest, BlockCommentsInControlLoops) {
3604 verifyFormat("if (0) /* a comment in a strange place */ {\n"
3605 " f();\n"
3606 "}");
3607 verifyFormat("if (0) /* a comment in a strange place */ {\n"
3608 " f();\n"
3609 "} /* another comment */ else /* comment #3 */ {\n"
3610 " g();\n"
3611 "}");
3612 verifyFormat("while (0) /* a comment in a strange place */ {\n"
3613 " f();\n"
3614 "}");
3615 verifyFormat("for (;;) /* a comment in a strange place */ {\n"
3616 " f();\n"
3617 "}");
3618 verifyFormat("do /* a comment in a strange place */ {\n"
3619 " f();\n"
3620 "} /* another comment */ while (0);");
3621}
3622
3623TEST_F(FormatTest, BlockComments) {
3624 EXPECT_EQ("/* */ /* */ /* */\n/* */ /* */ /* */",
3625 format("/* *//* */ /* */\n/* *//* */ /* */"));
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003626 EXPECT_EQ("/* */ a /* */ b;", format(" /* */ a/* */ b;"));
Alexander Kornienko547a9f522013-03-21 12:28:10 +00003627 EXPECT_EQ("#define A /*123*/\\\n"
Manuel Klimekf92f7bc2013-01-22 16:31:55 +00003628 " b\n"
3629 "/* */\n"
3630 "someCall(\n"
3631 " parameter);",
Alexander Kornienko547a9f522013-03-21 12:28:10 +00003632 format("#define A /*123*/ b\n"
Manuel Klimekf92f7bc2013-01-22 16:31:55 +00003633 "/* */\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003634 "someCall(parameter);",
3635 getLLVMStyleWithColumns(15)));
Manuel Klimekf92f7bc2013-01-22 16:31:55 +00003636
3637 EXPECT_EQ("#define A\n"
3638 "/* */ someCall(\n"
3639 " parameter);",
3640 format("#define A\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003641 "/* */someCall(parameter);",
3642 getLLVMStyleWithColumns(15)));
Daniel Jasper1f140982013-02-04 07:32:14 +00003643
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00003644 FormatStyle NoBinPacking = getLLVMStyle();
3645 NoBinPacking.BinPackParameters = false;
Daniel Jasper1f140982013-02-04 07:32:14 +00003646 EXPECT_EQ("someFunction(1, /* comment 1 */\n"
3647 " 2, /* comment 2 */\n"
3648 " 3, /* comment 3 */\n"
Daniel Jasper14e40ec2013-02-04 08:34:57 +00003649 " aaaa,\n"
3650 " bbbb);",
Daniel Jasper1f140982013-02-04 07:32:14 +00003651 format("someFunction (1, /* comment 1 */\n"
3652 " 2, /* comment 2 */ \n"
3653 " 3, /* comment 3 */\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003654 "aaaa, bbbb );",
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00003655 NoBinPacking));
Daniel Jasper38396592013-02-06 15:23:09 +00003656 verifyFormat(
3657 "bool aaaaaaaaaaaaa = /* comment: */ aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
3658 " aaaaaaaaaaaaaaaaaaaaaaaaaaaa;");
3659 EXPECT_EQ(
3660 "bool aaaaaaaaaaaaa = /* trailing comment */\n"
3661 " aaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
3662 " aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaa;",
3663 format(
3664 "bool aaaaaaaaaaaaa = /* trailing comment */\n"
3665 " aaaaaaaaaaaaaaaaaaaaaaaaaaa||aaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
3666 " aaaaaaaaaaaaaaaaaaaaaaaaaaaa || aaaaaaaaaaaaaaaaaaaaaaaaaa;"));
Daniel Jasper94f0e132013-02-06 20:07:35 +00003667 EXPECT_EQ(
3668 "int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa; /* comment */\n"
3669 "int bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; /* comment */\n"
3670 "int cccccccccccccccccccccccccccccc; /* comment */\n",
3671 format("int aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa; /* comment */\n"
3672 "int bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb; /* comment */\n"
3673 "int cccccccccccccccccccccccccccccc; /* comment */\n"));
Manuel Klimekf92f7bc2013-01-22 16:31:55 +00003674}
3675
Manuel Klimek82b836a2013-02-06 16:40:56 +00003676TEST_F(FormatTest, BlockCommentsInMacros) {
3677 EXPECT_EQ("#define A \\\n"
3678 " { \\\n"
3679 " /* one line */ \\\n"
3680 " someCall();",
3681 format("#define A { \\\n"
3682 " /* one line */ \\\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003683 " someCall();",
3684 getLLVMStyleWithColumns(20)));
Manuel Klimek82b836a2013-02-06 16:40:56 +00003685 EXPECT_EQ("#define A \\\n"
3686 " { \\\n"
3687 " /* previous */ \\\n"
3688 " /* one line */ \\\n"
3689 " someCall();",
3690 format("#define A { \\\n"
3691 " /* previous */ \\\n"
3692 " /* one line */ \\\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003693 " someCall();",
3694 getLLVMStyleWithColumns(20)));
Manuel Klimek82b836a2013-02-06 16:40:56 +00003695}
3696
Manuel Klimekae1fbfb2013-05-29 22:06:18 +00003697TEST_F(FormatTest, BlockCommentsAtEndOfLine) {
3698 EXPECT_EQ("a = {\n"
3699 " 1111 /* */\n"
3700 "};",
3701 format("a = {1111\n"
3702 "/* */\n"
3703 "};",
3704 getLLVMStyleWithColumns(15)));
3705 EXPECT_EQ("a = {\n"
3706 " 1111 /* */\n"
3707 "};",
3708 format("a = {1111\n"
3709 "/* */\n"
3710 "};",
3711 getLLVMStyleWithColumns(15)));
3712
3713 // FIXME: The formatting is still wrong here.
3714 EXPECT_EQ("a = {\n"
3715 " 1111 /* a\n"
3716 " */\n"
3717 "};",
3718 format("a = {1111\n"
3719 "/* a */\n"
3720 "};",
3721 getLLVMStyleWithColumns(15)));
3722}
3723
Manuel Klimek82b836a2013-02-06 16:40:56 +00003724TEST_F(FormatTest, IndentLineCommentsInStartOfBlockAtEndOfFile) {
3725 // FIXME: This is not what we want...
3726 verifyFormat("{\n"
3727 "// a"
3728 "// b");
3729}
3730
Manuel Klimekd33516e2013-01-23 10:09:28 +00003731TEST_F(FormatTest, FormatStarDependingOnContext) {
Manuel Klimek0a3a3c92013-01-23 09:32:48 +00003732 verifyFormat("void f(int *a);");
3733 verifyFormat("void f() { f(fint * b); }");
Manuel Klimek39080572013-01-23 11:03:04 +00003734 verifyFormat("class A {\n void f(int *a);\n};");
3735 verifyFormat("class A {\n int *a;\n};");
3736 verifyFormat("namespace a {\n"
3737 "namespace b {\n"
3738 "class A {\n"
3739 " void f() {}\n"
3740 " int *a;\n"
3741 "};\n"
3742 "}\n"
3743 "}");
Manuel Klimek0a3a3c92013-01-23 09:32:48 +00003744}
3745
Manuel Klimekd33516e2013-01-23 10:09:28 +00003746TEST_F(FormatTest, SpecialTokensAtEndOfLine) {
3747 verifyFormat("while");
3748 verifyFormat("operator");
3749}
3750
Nico Weber7e6a7a12013-01-08 17:56:31 +00003751//===----------------------------------------------------------------------===//
3752// Objective-C tests.
3753//===----------------------------------------------------------------------===//
3754
Fariborz Jahanian68a542a2012-12-20 19:54:13 +00003755TEST_F(FormatTest, FormatForObjectiveCMethodDecls) {
3756 verifyFormat("- (void)sendAction:(SEL)aSelector to:(BOOL)anObject;");
3757 EXPECT_EQ("- (NSUInteger)indexOfObject:(id)anObject;",
3758 format("-(NSUInteger)indexOfObject:(id)anObject;"));
Daniel Jasper8d1832e2013-01-07 13:26:07 +00003759 EXPECT_EQ("- (NSInteger)Mthod1;", format("-(NSInteger)Mthod1;"));
Fariborz Jahanian68a542a2012-12-20 19:54:13 +00003760 EXPECT_EQ("+ (id)Mthod2;", format("+(id)Mthod2;"));
3761 EXPECT_EQ("- (NSInteger)Method3:(id)anObject;",
3762 format("-(NSInteger)Method3:(id)anObject;"));
3763 EXPECT_EQ("- (NSInteger)Method4:(id)anObject;",
3764 format("-(NSInteger)Method4:(id)anObject;"));
3765 EXPECT_EQ("- (NSInteger)Method5:(id)anObject:(id)AnotherObject;",
3766 format("-(NSInteger)Method5:(id)anObject:(id)AnotherObject;"));
3767 EXPECT_EQ("- (id)Method6:(id)A:(id)B:(id)C:(id)D;",
3768 format("- (id)Method6:(id)A:(id)B:(id)C:(id)D;"));
Daniel Jasper8d1832e2013-01-07 13:26:07 +00003769 EXPECT_EQ(
3770 "- (void)sendAction:(SEL)aSelector to:(id)anObject forAllCells:(BOOL)flag;",
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00003771 format(
3772 "- (void)sendAction:(SEL)aSelector to:(id)anObject forAllCells:(BOOL)flag;"));
Fariborz Jahanian9017ec32012-12-21 22:51:18 +00003773
3774 // Very long objectiveC method declaration.
Daniel Jasper1ac3e052013-02-05 10:07:47 +00003775 verifyFormat("- (NSUInteger)indexOfObject:(id)anObject\n"
3776 " inRange:(NSRange)range\n"
3777 " outRange:(NSRange)out_range\n"
3778 " outRange1:(NSRange)out_range1\n"
3779 " outRange2:(NSRange)out_range2\n"
3780 " outRange3:(NSRange)out_range3\n"
3781 " outRange4:(NSRange)out_range4\n"
3782 " outRange5:(NSRange)out_range5\n"
3783 " outRange6:(NSRange)out_range6\n"
3784 " outRange7:(NSRange)out_range7\n"
3785 " outRange8:(NSRange)out_range8\n"
3786 " outRange9:(NSRange)out_range9;");
Nico Weberd6f962f2013-01-10 20:18:33 +00003787
3788 verifyFormat("- (int)sum:(vector<int>)numbers;");
Nico Weber772fbfd2013-01-17 06:14:50 +00003789 verifyGoogleFormat("- (void)setDelegate:(id<Protocol>)delegate;");
Nico Weberd6f962f2013-01-10 20:18:33 +00003790 // FIXME: In LLVM style, there should be a space in front of a '<' for ObjC
3791 // protocol lists (but not for template classes):
3792 //verifyFormat("- (void)setDelegate:(id <Protocol>)delegate;");
Nico Weber9efe2912013-01-10 23:11:41 +00003793
Daniel Jasper37194282013-05-28 08:33:00 +00003794 verifyFormat("- (int (*)())foo:(int (*)())f;");
3795 verifyGoogleFormat("- (int (*)())foo:(int (*)())foo;");
Nico Weber9efe2912013-01-10 23:11:41 +00003796
3797 // If there's no return type (very rare in practice!), LLVM and Google style
3798 // agree.
Daniel Jasperdd9276e2013-03-22 16:55:40 +00003799 verifyFormat("- foo;");
Nico Weber9efe2912013-01-10 23:11:41 +00003800 verifyFormat("- foo:(int)f;");
3801 verifyGoogleFormat("- foo:(int)foo;");
Fariborz Jahanian68a542a2012-12-20 19:54:13 +00003802}
3803
Daniel Jasperfb3f2482013-01-09 08:36:49 +00003804TEST_F(FormatTest, FormatObjCBlocks) {
Daniel Jasperc1fa2812013-01-10 13:08:12 +00003805 verifyFormat("int (^Block)(int, int);");
3806 verifyFormat("int (^Block1)(int, int) = ^(int i, int j)");
Daniel Jasperfb3f2482013-01-09 08:36:49 +00003807}
3808
Nico Weber7eecf4b2013-01-09 20:25:35 +00003809TEST_F(FormatTest, FormatObjCInterface) {
Nico Webera6087752013-01-10 20:12:55 +00003810 verifyFormat("@interface Foo : NSObject <NSSomeDelegate> {\n"
Nico Weber7eecf4b2013-01-09 20:25:35 +00003811 "@public\n"
3812 " int field1;\n"
3813 "@protected\n"
3814 " int field2;\n"
3815 "@private\n"
3816 " int field3;\n"
3817 "@package\n"
3818 " int field4;\n"
3819 "}\n"
3820 "+ (id)init;\n"
3821 "@end");
3822
Nico Weber7eecf4b2013-01-09 20:25:35 +00003823 verifyGoogleFormat("@interface Foo : NSObject<NSSomeDelegate> {\n"
3824 " @public\n"
3825 " int field1;\n"
3826 " @protected\n"
3827 " int field2;\n"
3828 " @private\n"
3829 " int field3;\n"
3830 " @package\n"
3831 " int field4;\n"
3832 "}\n"
Nico Weber772fbfd2013-01-17 06:14:50 +00003833 "+ (id)init;\n"
Nico Weber7eecf4b2013-01-09 20:25:35 +00003834 "@end");
3835
Nico Weber6029d4f2013-01-22 16:53:59 +00003836 verifyFormat("@interface /* wait for it */ Foo\n"
Nico Weber7eecf4b2013-01-09 20:25:35 +00003837 "+ (id)init;\n"
3838 "// Look, a comment!\n"
3839 "- (int)answerWith:(int)i;\n"
3840 "@end");
3841
3842 verifyFormat("@interface Foo\n"
Nico Weberd8ffe752013-01-09 21:42:32 +00003843 "@end\n"
3844 "@interface Bar\n"
Nico Weber7eecf4b2013-01-09 20:25:35 +00003845 "@end");
3846
3847 verifyFormat("@interface Foo : Bar\n"
3848 "+ (id)init;\n"
3849 "@end");
3850
Nico Weber6029d4f2013-01-22 16:53:59 +00003851 verifyFormat("@interface Foo : /**/ Bar /**/ <Baz, /**/ Quux>\n"
Nico Weber7eecf4b2013-01-09 20:25:35 +00003852 "+ (id)init;\n"
3853 "@end");
3854
Nico Webera6087752013-01-10 20:12:55 +00003855 verifyGoogleFormat("@interface Foo : Bar<Baz, Quux>\n"
Nico Weber772fbfd2013-01-17 06:14:50 +00003856 "+ (id)init;\n"
Nico Webera6087752013-01-10 20:12:55 +00003857 "@end");
3858
Nico Weber2bb00742013-01-10 19:19:14 +00003859 verifyFormat("@interface Foo (HackStuff)\n"
Nico Weber7eecf4b2013-01-09 20:25:35 +00003860 "+ (id)init;\n"
3861 "@end");
3862
Nico Weber2bb00742013-01-10 19:19:14 +00003863 verifyFormat("@interface Foo ()\n"
Nico Weber7eecf4b2013-01-09 20:25:35 +00003864 "+ (id)init;\n"
3865 "@end");
3866
Nico Webera6087752013-01-10 20:12:55 +00003867 verifyFormat("@interface Foo (HackStuff) <MyProtocol>\n"
Nico Weber7eecf4b2013-01-09 20:25:35 +00003868 "+ (id)init;\n"
3869 "@end");
3870
Nico Webera6087752013-01-10 20:12:55 +00003871 verifyGoogleFormat("@interface Foo (HackStuff)<MyProtocol>\n"
Nico Weber772fbfd2013-01-17 06:14:50 +00003872 "+ (id)init;\n"
Nico Webera6087752013-01-10 20:12:55 +00003873 "@end");
3874
Manuel Klimek2acb7b72013-01-11 19:17:44 +00003875 verifyFormat("@interface Foo {\n"
3876 " int _i;\n"
3877 "}\n"
Nico Weber7eecf4b2013-01-09 20:25:35 +00003878 "+ (id)init;\n"
3879 "@end");
3880
Manuel Klimek2acb7b72013-01-11 19:17:44 +00003881 verifyFormat("@interface Foo : Bar {\n"
3882 " int _i;\n"
3883 "}\n"
Nico Weber7eecf4b2013-01-09 20:25:35 +00003884 "+ (id)init;\n"
3885 "@end");
3886
Manuel Klimek2acb7b72013-01-11 19:17:44 +00003887 verifyFormat("@interface Foo : Bar <Baz, Quux> {\n"
3888 " int _i;\n"
3889 "}\n"
Nico Weber7eecf4b2013-01-09 20:25:35 +00003890 "+ (id)init;\n"
3891 "@end");
3892
Manuel Klimek2acb7b72013-01-11 19:17:44 +00003893 verifyFormat("@interface Foo (HackStuff) {\n"
3894 " int _i;\n"
3895 "}\n"
Nico Weber7eecf4b2013-01-09 20:25:35 +00003896 "+ (id)init;\n"
3897 "@end");
3898
Manuel Klimek2acb7b72013-01-11 19:17:44 +00003899 verifyFormat("@interface Foo () {\n"
3900 " int _i;\n"
3901 "}\n"
Nico Weber7eecf4b2013-01-09 20:25:35 +00003902 "+ (id)init;\n"
3903 "@end");
3904
Manuel Klimek2acb7b72013-01-11 19:17:44 +00003905 verifyFormat("@interface Foo (HackStuff) <MyProtocol> {\n"
3906 " int _i;\n"
3907 "}\n"
Nico Weber7eecf4b2013-01-09 20:25:35 +00003908 "+ (id)init;\n"
3909 "@end");
3910}
3911
Nico Weber2ce0ac52013-01-09 23:25:37 +00003912TEST_F(FormatTest, FormatObjCImplementation) {
3913 verifyFormat("@implementation Foo : NSObject {\n"
3914 "@public\n"
3915 " int field1;\n"
3916 "@protected\n"
3917 " int field2;\n"
3918 "@private\n"
3919 " int field3;\n"
3920 "@package\n"
3921 " int field4;\n"
3922 "}\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00003923 "+ (id)init {\n}\n"
Nico Weber2ce0ac52013-01-09 23:25:37 +00003924 "@end");
3925
3926 verifyGoogleFormat("@implementation Foo : NSObject {\n"
3927 " @public\n"
3928 " int field1;\n"
3929 " @protected\n"
3930 " int field2;\n"
3931 " @private\n"
3932 " int field3;\n"
3933 " @package\n"
3934 " int field4;\n"
3935 "}\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00003936 "+ (id)init {\n}\n"
Nico Weber2ce0ac52013-01-09 23:25:37 +00003937 "@end");
3938
3939 verifyFormat("@implementation Foo\n"
3940 "+ (id)init {\n"
Daniel Jasper1b750ed2013-01-14 16:24:39 +00003941 " if (true)\n"
3942 " return nil;\n"
Nico Weber2ce0ac52013-01-09 23:25:37 +00003943 "}\n"
3944 "// Look, a comment!\n"
Manuel Klimek2acb7b72013-01-11 19:17:44 +00003945 "- (int)answerWith:(int)i {\n"
3946 " return i;\n"
3947 "}\n"
Nico Webera21aaae2013-01-11 21:14:08 +00003948 "+ (int)answerWith:(int)i {\n"
3949 " return i;\n"
3950 "}\n"
Nico Weber2ce0ac52013-01-09 23:25:37 +00003951 "@end");
3952
3953 verifyFormat("@implementation Foo\n"
3954 "@end\n"
3955 "@implementation Bar\n"
3956 "@end");
3957
3958 verifyFormat("@implementation Foo : Bar\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00003959 "+ (id)init {\n}\n"
3960 "- (void)foo {\n}\n"
Nico Weber2ce0ac52013-01-09 23:25:37 +00003961 "@end");
3962
Manuel Klimek2acb7b72013-01-11 19:17:44 +00003963 verifyFormat("@implementation Foo {\n"
3964 " int _i;\n"
3965 "}\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00003966 "+ (id)init {\n}\n"
Nico Weber2ce0ac52013-01-09 23:25:37 +00003967 "@end");
3968
Manuel Klimek2acb7b72013-01-11 19:17:44 +00003969 verifyFormat("@implementation Foo : Bar {\n"
3970 " int _i;\n"
3971 "}\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00003972 "+ (id)init {\n}\n"
Nico Weber2ce0ac52013-01-09 23:25:37 +00003973 "@end");
3974
Nico Weber2bb00742013-01-10 19:19:14 +00003975 verifyFormat("@implementation Foo (HackStuff)\n"
Manuel Klimeka4fe1c12013-01-21 16:42:44 +00003976 "+ (id)init {\n}\n"
Nico Weber2ce0ac52013-01-09 23:25:37 +00003977 "@end");
3978}
3979
Nico Weber8696a8d2013-01-09 21:15:03 +00003980TEST_F(FormatTest, FormatObjCProtocol) {
3981 verifyFormat("@protocol Foo\n"
3982 "@property(weak) id delegate;\n"
3983 "- (NSUInteger)numberOfThings;\n"
3984 "@end");
3985
Nico Webera6087752013-01-10 20:12:55 +00003986 verifyFormat("@protocol MyProtocol <NSObject>\n"
Nico Weber8696a8d2013-01-09 21:15:03 +00003987 "- (NSUInteger)numberOfThings;\n"
3988 "@end");
3989
Nico Webera6087752013-01-10 20:12:55 +00003990 verifyGoogleFormat("@protocol MyProtocol<NSObject>\n"
Nico Weber772fbfd2013-01-17 06:14:50 +00003991 "- (NSUInteger)numberOfThings;\n"
Nico Webera6087752013-01-10 20:12:55 +00003992 "@end");
3993
Nico Weber8696a8d2013-01-09 21:15:03 +00003994 verifyFormat("@protocol Foo;\n"
3995 "@protocol Bar;\n");
Nico Weberd8ffe752013-01-09 21:42:32 +00003996
3997 verifyFormat("@protocol Foo\n"
3998 "@end\n"
3999 "@protocol Bar\n"
4000 "@end");
Nico Weber51306d22013-01-10 00:25:19 +00004001
4002 verifyFormat("@protocol myProtocol\n"
4003 "- (void)mandatoryWithInt:(int)i;\n"
4004 "@optional\n"
4005 "- (void)optional;\n"
4006 "@required\n"
4007 "- (void)required;\n"
Nico Weberbbe28b32013-01-10 00:42:07 +00004008 "@optional\n"
4009 "@property(assign) int madProp;\n"
Nico Weber51306d22013-01-10 00:25:19 +00004010 "@end\n");
Nico Weber8696a8d2013-01-09 21:15:03 +00004011}
4012
Daniel Jasper1ac3e052013-02-05 10:07:47 +00004013TEST_F(FormatTest, FormatObjCMethodDeclarations) {
4014 verifyFormat("- (void)doSomethingWith:(GTMFoo *)theFoo\n"
4015 " rect:(NSRect)theRect\n"
4016 " interval:(float)theInterval {\n"
4017 "}");
4018 verifyFormat("- (void)shortf:(GTMFoo *)theFoo\n"
4019 " longKeyword:(NSRect)theRect\n"
4020 " evenLongerKeyword:(float)theInterval\n"
4021 " error:(NSError **)theError {\n"
4022 "}");
4023}
4024
Nico Webera7252d82013-01-12 06:18:40 +00004025TEST_F(FormatTest, FormatObjCMethodExpr) {
4026 verifyFormat("[foo bar:baz];");
4027 verifyFormat("return [foo bar:baz];");
4028 verifyFormat("f([foo bar:baz]);");
4029 verifyFormat("f(2, [foo bar:baz]);");
4030 verifyFormat("f(2, a ? b : c);");
4031 verifyFormat("[[self initWithInt:4] bar:[baz quux:arrrr]];");
4032
Nico Weberb76de882013-02-05 16:21:00 +00004033 // Unary operators.
4034 verifyFormat("int a = +[foo bar:baz];");
4035 verifyFormat("int a = -[foo bar:baz];");
4036 verifyFormat("int a = ![foo bar:baz];");
4037 verifyFormat("int a = ~[foo bar:baz];");
4038 verifyFormat("int a = ++[foo bar:baz];");
4039 verifyFormat("int a = --[foo bar:baz];");
4040 verifyFormat("int a = sizeof [foo bar:baz];");
4041 verifyFormat("int a = alignof [foo bar:baz];");
Nico Weber5d2624e2013-02-06 06:20:11 +00004042 verifyFormat("int a = &[foo bar:baz];");
4043 verifyFormat("int a = *[foo bar:baz];");
Nico Weberb76de882013-02-05 16:21:00 +00004044 // FIXME: Make casts work, without breaking f()[4].
Nico Webera7892392013-02-13 03:48:27 +00004045 //verifyFormat("int a = (int)[foo bar:baz];");
Nico Weber71800c42013-02-13 04:40:03 +00004046 //verifyFormat("return (int)[foo bar:baz];");
4047 //verifyFormat("(void)[foo bar:baz];");
Nico Webera7892392013-02-13 03:48:27 +00004048 verifyFormat("return (MyType *)[self.tableView cellForRowAtIndexPath:cell];");
Nico Weberb76de882013-02-05 16:21:00 +00004049
4050 // Binary operators.
Nico Webera7252d82013-01-12 06:18:40 +00004051 verifyFormat("[foo bar:baz], [foo bar:baz];");
4052 verifyFormat("[foo bar:baz] = [foo bar:baz];");
4053 verifyFormat("[foo bar:baz] *= [foo bar:baz];");
4054 verifyFormat("[foo bar:baz] /= [foo bar:baz];");
4055 verifyFormat("[foo bar:baz] %= [foo bar:baz];");
4056 verifyFormat("[foo bar:baz] += [foo bar:baz];");
4057 verifyFormat("[foo bar:baz] -= [foo bar:baz];");
4058 verifyFormat("[foo bar:baz] <<= [foo bar:baz];");
4059 verifyFormat("[foo bar:baz] >>= [foo bar:baz];");
4060 verifyFormat("[foo bar:baz] &= [foo bar:baz];");
4061 verifyFormat("[foo bar:baz] ^= [foo bar:baz];");
4062 verifyFormat("[foo bar:baz] |= [foo bar:baz];");
4063 verifyFormat("[foo bar:baz] ? [foo bar:baz] : [foo bar:baz];");
4064 verifyFormat("[foo bar:baz] || [foo bar:baz];");
4065 verifyFormat("[foo bar:baz] && [foo bar:baz];");
4066 verifyFormat("[foo bar:baz] | [foo bar:baz];");
4067 verifyFormat("[foo bar:baz] ^ [foo bar:baz];");
4068 verifyFormat("[foo bar:baz] & [foo bar:baz];");
4069 verifyFormat("[foo bar:baz] == [foo bar:baz];");
4070 verifyFormat("[foo bar:baz] != [foo bar:baz];");
4071 verifyFormat("[foo bar:baz] >= [foo bar:baz];");
4072 verifyFormat("[foo bar:baz] <= [foo bar:baz];");
4073 verifyFormat("[foo bar:baz] > [foo bar:baz];");
4074 verifyFormat("[foo bar:baz] < [foo bar:baz];");
4075 verifyFormat("[foo bar:baz] >> [foo bar:baz];");
4076 verifyFormat("[foo bar:baz] << [foo bar:baz];");
4077 verifyFormat("[foo bar:baz] - [foo bar:baz];");
4078 verifyFormat("[foo bar:baz] + [foo bar:baz];");
4079 verifyFormat("[foo bar:baz] * [foo bar:baz];");
4080 verifyFormat("[foo bar:baz] / [foo bar:baz];");
4081 verifyFormat("[foo bar:baz] % [foo bar:baz];");
4082 // Whew!
4083
Nico Weber29f9dea2013-02-11 15:32:15 +00004084 verifyFormat("return in[42];");
4085 verifyFormat("for (id foo in [self getStuffFor:bla]) {\n"
4086 "}");
4087
Nico Webera7252d82013-01-12 06:18:40 +00004088 verifyFormat("[self stuffWithInt:(4 + 2) float:4.5];");
4089 verifyFormat("[self stuffWithInt:a ? b : c float:4.5];");
4090 verifyFormat("[self stuffWithInt:a ? [self foo:bar] : c];");
4091 verifyFormat("[self stuffWithInt:a ? (e ? f : g) : c];");
4092 verifyFormat("[cond ? obj1 : obj2 methodWithParam:param]");
Nico Weber5c8709b2013-01-12 23:41:33 +00004093 verifyFormat("[button setAction:@selector(zoomOut:)];");
Nico Weber2827a7e2013-01-12 23:48:49 +00004094 verifyFormat("[color getRed:&r green:&g blue:&b alpha:&a];");
Daniel Jasper1ac3e052013-02-05 10:07:47 +00004095
Nico Webera7252d82013-01-12 06:18:40 +00004096 verifyFormat("arr[[self indexForFoo:a]];");
4097 verifyFormat("throw [self errorFor:a];");
4098 verifyFormat("@throw [self errorFor:a];");
4099
Nico Weberc9d73612013-01-12 22:48:47 +00004100 // This tests that the formatter doesn't break after "backing" but before ":",
4101 // which would be at 80 columns.
Nico Webera7252d82013-01-12 06:18:40 +00004102 verifyFormat(
4103 "void f() {\n"
Daniel Jasper1ac3e052013-02-05 10:07:47 +00004104 " if ((self = [super initWithContentRect:contentRect\n"
4105 " styleMask:styleMask\n"
4106 " backing:NSBackingStoreBuffered\n"
4107 " defer:YES]))");
4108
Daniel Jasperc697ad22013-02-06 10:05:46 +00004109 verifyFormat(
4110 "[foo checkThatBreakingAfterColonWorksOk:\n"
4111 " [bar ifItDoes:reduceOverallLineLengthLikeInThisCase]];");
Daniel Jasper1ac3e052013-02-05 10:07:47 +00004112
4113 verifyFormat("[myObj short:arg1 // Force line break\n"
4114 " longKeyword:arg2\n"
4115 " evenLongerKeyword:arg3\n"
4116 " error:arg4];");
4117 verifyFormat(
4118 "void f() {\n"
4119 " popup_window_.reset([[RenderWidgetPopupWindow alloc]\n"
4120 " initWithContentRect:NSMakeRect(origin_global.x, origin_global.y,\n"
4121 " pos.width(), pos.height())\n"
4122 " styleMask:NSBorderlessWindowMask\n"
4123 " backing:NSBackingStoreBuffered\n"
4124 " defer:NO]);\n"
4125 "}");
Daniel Jasperc697ad22013-02-06 10:05:46 +00004126 verifyFormat("[contentsContainer replaceSubview:[subviews objectAtIndex:0]\n"
4127 " with:contentsNativeView];");
4128
4129 verifyFormat(
4130 "[pboard addTypes:[NSArray arrayWithObject:kBookmarkButtonDragType]\n"
4131 " owner:nillllll];");
4132
Daniel Jasperc697ad22013-02-06 10:05:46 +00004133 verifyFormat(
Daniel Jasperacc33662013-02-08 08:22:00 +00004134 "[pboard setData:[NSData dataWithBytes:&button length:sizeof(button)]\n"
Daniel Jasperc697ad22013-02-06 10:05:46 +00004135 " forType:kBookmarkButtonDragType];");
4136
4137 verifyFormat("[defaultCenter addObserver:self\n"
4138 " selector:@selector(willEnterFullscreen)\n"
4139 " name:kWillEnterFullscreenNotification\n"
4140 " object:nil];");
Daniel Jasperc485b4e2013-02-06 16:00:26 +00004141 verifyFormat("[image_rep drawInRect:drawRect\n"
4142 " fromRect:NSZeroRect\n"
4143 " operation:NSCompositeCopy\n"
4144 " fraction:1.0\n"
4145 " respectFlipped:NO\n"
4146 " hints:nil];");
Nico Weberac9bde22013-02-06 16:54:35 +00004147
4148 verifyFormat(
4149 "scoped_nsobject<NSTextField> message(\n"
4150 " // The frame will be fixed up when |-setMessageText:| is called.\n"
4151 " [[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 0, 0)]);");
Nico Webera7252d82013-01-12 06:18:40 +00004152}
4153
Nico Weber12d5bab2013-01-07 15:56:25 +00004154TEST_F(FormatTest, ObjCAt) {
Nico Weber803d61d2013-01-07 16:07:07 +00004155 verifyFormat("@autoreleasepool");
Nico Webere89c42f2013-01-07 16:14:28 +00004156 verifyFormat("@catch");
4157 verifyFormat("@class");
Nico Weber803d61d2013-01-07 16:07:07 +00004158 verifyFormat("@compatibility_alias");
4159 verifyFormat("@defs");
Nico Webera8876502013-01-07 15:17:23 +00004160 verifyFormat("@dynamic");
Nico Weber803d61d2013-01-07 16:07:07 +00004161 verifyFormat("@encode");
4162 verifyFormat("@end");
4163 verifyFormat("@finally");
4164 verifyFormat("@implementation");
4165 verifyFormat("@import");
4166 verifyFormat("@interface");
4167 verifyFormat("@optional");
4168 verifyFormat("@package");
Nico Webere89c42f2013-01-07 16:14:28 +00004169 verifyFormat("@private");
Nico Weber803d61d2013-01-07 16:07:07 +00004170 verifyFormat("@property");
Nico Webere89c42f2013-01-07 16:14:28 +00004171 verifyFormat("@protected");
Nico Weber803d61d2013-01-07 16:07:07 +00004172 verifyFormat("@protocol");
Nico Webere89c42f2013-01-07 16:14:28 +00004173 verifyFormat("@public");
Nico Weber803d61d2013-01-07 16:07:07 +00004174 verifyFormat("@required");
4175 verifyFormat("@selector");
4176 verifyFormat("@synchronized");
4177 verifyFormat("@synthesize");
Nico Webere89c42f2013-01-07 16:14:28 +00004178 verifyFormat("@throw");
4179 verifyFormat("@try");
Nico Weber803d61d2013-01-07 16:07:07 +00004180
Nico Weber12d5bab2013-01-07 15:56:25 +00004181 EXPECT_EQ("@interface", format("@ interface"));
4182
4183 // The precise formatting of this doesn't matter, nobody writes code like
4184 // this.
4185 verifyFormat("@ /*foo*/ interface");
Nico Webera8876502013-01-07 15:17:23 +00004186}
4187
Nico Weberd8cdb532013-01-08 19:15:23 +00004188TEST_F(FormatTest, ObjCSnippets) {
Manuel Klimek2acb7b72013-01-11 19:17:44 +00004189 verifyFormat("@autoreleasepool {\n"
4190 " foo();\n"
4191 "}");
Nico Weber7e6a7a12013-01-08 17:56:31 +00004192 verifyFormat("@class Foo, Bar;");
Nico Weberd8cdb532013-01-08 19:15:23 +00004193 verifyFormat("@compatibility_alias AliasName ExistingClass;");
Nico Weber7e6a7a12013-01-08 17:56:31 +00004194 verifyFormat("@dynamic textColor;");
Nico Webere3025672013-01-18 05:11:47 +00004195 verifyFormat("char *buf1 = @encode(int *);");
4196 verifyFormat("char *buf1 = @encode(typeof(4 * 5));");
Nico Weber44449172013-02-12 16:17:07 +00004197 verifyFormat("char *buf1 = @encode(int **);");
Nico Weber4cc98742013-01-08 20:16:23 +00004198 verifyFormat("Protocol *proto = @protocol(p1);");
Nico Weber250fe712013-01-18 02:43:57 +00004199 verifyFormat("SEL s = @selector(foo:);");
Manuel Klimek2acb7b72013-01-11 19:17:44 +00004200 verifyFormat("@synchronized(self) {\n"
4201 " f();\n"
4202 "}");
Nico Weber7e6a7a12013-01-08 17:56:31 +00004203
Nico Webera2a84952013-01-10 21:30:42 +00004204 verifyFormat("@synthesize dropArrowPosition = dropArrowPosition_;");
4205 verifyGoogleFormat("@synthesize dropArrowPosition = dropArrowPosition_;");
4206
Nico Weber7e6a7a12013-01-08 17:56:31 +00004207 verifyFormat("@property(assign, nonatomic) CGFloat hoverAlpha;");
Nico Webera2a84952013-01-10 21:30:42 +00004208 verifyFormat("@property(assign, getter=isEditable) BOOL editable;");
4209 verifyGoogleFormat("@property(assign, getter=isEditable) BOOL editable;");
Nico Weber7e6a7a12013-01-08 17:56:31 +00004210}
4211
Nico Weber0588b502013-02-07 00:19:29 +00004212TEST_F(FormatTest, ObjCLiterals) {
4213 verifyFormat("@\"String\"");
4214 verifyFormat("@1");
4215 verifyFormat("@+4.8");
4216 verifyFormat("@-4");
4217 verifyFormat("@1LL");
4218 verifyFormat("@.5");
4219 verifyFormat("@'c'");
4220 verifyFormat("@true");
4221
4222 verifyFormat("NSNumber *smallestInt = @(-INT_MAX - 1);");
4223 verifyFormat("NSNumber *piOverTwo = @(M_PI / 2);");
4224 verifyFormat("NSNumber *favoriteColor = @(Green);");
4225 verifyFormat("NSString *path = @(getenv(\"PATH\"));");
4226
Nico Weber0588b502013-02-07 00:19:29 +00004227 verifyFormat("@[");
Nico Weber2a726b62013-02-10 02:08:05 +00004228 verifyFormat("@[]");
4229 verifyFormat(
4230 "NSArray *array = @[ @\" Hey \", NSApp, [NSNumber numberWithInt:42] ];");
4231 verifyFormat("return @[ @3, @[], @[ @4, @5 ] ];");
4232
Nico Weber0588b502013-02-07 00:19:29 +00004233 verifyFormat("@{");
Nico Weber372d8dc2013-02-10 20:35:35 +00004234 verifyFormat("@{}");
4235 verifyFormat("@{ @\"one\" : @1 }");
4236 verifyFormat("return @{ @\"one\" : @1 };");
4237 verifyFormat("@{ @\"one\" : @1, }");
Manuel Klimek1a18c402013-04-12 14:13:36 +00004238
Daniel Jasper1ec31062013-05-28 18:50:02 +00004239 verifyFormat("@{ @\"one\" : @{ @2 : @1 } }");
4240 verifyFormat("@{ @\"one\" : @{ @2 : @1 }, }");
Manuel Klimek1a18c402013-04-12 14:13:36 +00004241
Nico Weber372d8dc2013-02-10 20:35:35 +00004242 verifyFormat("@{ 1 > 2 ? @\"one\" : @\"two\" : 1 > 2 ? @1 : @2 }");
4243 verifyFormat("[self setDict:@{}");
4244 verifyFormat("[self setDict:@{ @1 : @2 }");
4245 verifyFormat("NSLog(@\"%@\", @{ @1 : @2, @2 : @3 }[@1]);");
4246 verifyFormat(
4247 "NSDictionary *masses = @{ @\"H\" : @1.0078, @\"He\" : @4.0026 };");
Nico Weber33c68e92013-02-10 20:39:05 +00004248 verifyFormat(
4249 "NSDictionary *settings = @{ AVEncoderKey : @(AVAudioQualityMax) };");
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00004250
Nico Weber372d8dc2013-02-10 20:35:35 +00004251 // FIXME: Nested and multi-line array and dictionary literals need more work.
Nico Weber0448b4d2013-02-10 20:48:24 +00004252 verifyFormat(
4253 "NSDictionary *d = @{ @\"nam\" : NSUserNam(), @\"dte\" : [NSDate date],\n"
4254 " @\"processInfo\" : [NSProcessInfo processInfo] };");
Nico Weberced7d412013-05-26 05:39:26 +00004255 verifyFormat(
4256 "@{ NSFontAttributeNameeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee :\n"
4257 " regularFont, };");
4258
Nico Weber0588b502013-02-07 00:19:29 +00004259}
4260
Manuel Klimekb95f5452013-02-08 17:38:27 +00004261TEST_F(FormatTest, ReformatRegionAdjustsIndent) {
4262 EXPECT_EQ("{\n"
4263 "{\n"
4264 "a;\n"
4265 "b;\n"
4266 "}\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00004267 "}",
4268 format("{\n"
4269 "{\n"
4270 "a;\n"
4271 " b;\n"
4272 "}\n"
4273 "}",
4274 13, 2, getLLVMStyle()));
Manuel Klimekb95f5452013-02-08 17:38:27 +00004275 EXPECT_EQ("{\n"
4276 "{\n"
4277 " a;\n"
4278 "b;\n"
4279 "}\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00004280 "}",
4281 format("{\n"
4282 "{\n"
4283 " a;\n"
4284 "b;\n"
4285 "}\n"
4286 "}",
4287 9, 2, getLLVMStyle()));
Manuel Klimekb95f5452013-02-08 17:38:27 +00004288 EXPECT_EQ("{\n"
4289 "{\n"
4290 "public:\n"
4291 " b;\n"
4292 "}\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00004293 "}",
4294 format("{\n"
4295 "{\n"
4296 "public:\n"
4297 " b;\n"
4298 "}\n"
4299 "}",
4300 17, 2, getLLVMStyle()));
Manuel Klimekb95f5452013-02-08 17:38:27 +00004301 EXPECT_EQ("{\n"
4302 "{\n"
4303 "a;\n"
4304 "}\n"
4305 "{\n"
Daniel Jasper12f9d8e2013-05-14 09:30:02 +00004306 " b; //\n"
Manuel Klimekb95f5452013-02-08 17:38:27 +00004307 "}\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00004308 "}",
4309 format("{\n"
4310 "{\n"
4311 "a;\n"
4312 "}\n"
4313 "{\n"
Daniel Jasper12f9d8e2013-05-14 09:30:02 +00004314 " b; //\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00004315 "}\n"
4316 "}",
4317 22, 2, getLLVMStyle()));
Manuel Klimekd076dcd2013-02-08 19:53:32 +00004318 EXPECT_EQ(" {\n"
Daniel Jasper12f9d8e2013-05-14 09:30:02 +00004319 " a; //\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00004320 " }",
4321 format(" {\n"
Daniel Jasper12f9d8e2013-05-14 09:30:02 +00004322 "a; //\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00004323 " }",
4324 4, 2, getLLVMStyle()));
Daniel Jasper22045622013-02-12 16:51:23 +00004325 EXPECT_EQ("void f() {}\n"
Daniel Jasper2ec3ffb82013-02-18 11:59:17 +00004326 "void g() {}",
4327 format("void f() {}\n"
4328 "void g() {}",
4329 13, 0, getLLVMStyle()));
Daniel Jasper66dc2ec2013-03-20 14:31:47 +00004330 EXPECT_EQ("int a; // comment\n"
4331 " // line 2\n"
4332 "int b;",
4333 format("int a; // comment\n"
4334 " // line 2\n"
4335 " int b;",
4336 35, 0, getLLVMStyle()));
Manuel Klimekd076dcd2013-02-08 19:53:32 +00004337}
Manuel Klimekb95f5452013-02-08 17:38:27 +00004338
Manuel Klimek1998ea22013-02-20 10:15:13 +00004339TEST_F(FormatTest, BreakStringLiterals) {
4340 EXPECT_EQ("\"some text \"\n"
4341 "\"other\";",
4342 format("\"some text other\";", getLLVMStyleWithColumns(12)));
Alexander Kornienko9e90b622013-04-17 17:34:05 +00004343 EXPECT_EQ("\"some text \"\n"
4344 "\"other\";",
4345 format("\\\n\"some text other\";", getLLVMStyleWithColumns(12)));
Manuel Klimek1998ea22013-02-20 10:15:13 +00004346 EXPECT_EQ(
4347 "#define A \\\n"
4348 " \"some \" \\\n"
4349 " \"text \" \\\n"
4350 " \"other\";",
4351 format("#define A \"some text other\";", getLLVMStyleWithColumns(12)));
4352 EXPECT_EQ(
4353 "#define A \\\n"
4354 " \"so \" \\\n"
4355 " \"text \" \\\n"
4356 " \"other\";",
4357 format("#define A \"so text other\";", getLLVMStyleWithColumns(12)));
4358
4359 EXPECT_EQ("\"some text\"",
4360 format("\"some text\"", getLLVMStyleWithColumns(1)));
4361 EXPECT_EQ("\"some text\"",
4362 format("\"some text\"", getLLVMStyleWithColumns(11)));
4363 EXPECT_EQ("\"some \"\n"
4364 "\"text\"",
4365 format("\"some text\"", getLLVMStyleWithColumns(10)));
4366 EXPECT_EQ("\"some \"\n"
4367 "\"text\"",
4368 format("\"some text\"", getLLVMStyleWithColumns(7)));
Manuel Klimekb176cff2013-03-01 13:14:08 +00004369 EXPECT_EQ("\"some\"\n"
Alexander Kornienkocb45bc12013-04-15 14:28:00 +00004370 "\" tex\"\n"
4371 "\"t\"",
Manuel Klimek1998ea22013-02-20 10:15:13 +00004372 format("\"some text\"", getLLVMStyleWithColumns(6)));
Manuel Klimekabf6e032013-03-04 20:03:38 +00004373 EXPECT_EQ("\"some\"\n"
4374 "\" tex\"\n"
4375 "\" and\"",
4376 format("\"some tex and\"", getLLVMStyleWithColumns(6)));
4377 EXPECT_EQ("\"some\"\n"
4378 "\"/tex\"\n"
4379 "\"/and\"",
4380 format("\"some/tex/and\"", getLLVMStyleWithColumns(6)));
Manuel Klimek1998ea22013-02-20 10:15:13 +00004381
4382 EXPECT_EQ("variable =\n"
4383 " \"long string \"\n"
4384 " \"literal\";",
4385 format("variable = \"long string literal\";",
4386 getLLVMStyleWithColumns(20)));
4387
4388 EXPECT_EQ("variable = f(\n"
4389 " \"long string \"\n"
Daniel Jasper2cf17bf2013-02-27 09:47:53 +00004390 " \"literal\",\n"
4391 " short,\n"
Manuel Klimek1998ea22013-02-20 10:15:13 +00004392 " loooooooooooooooooooong);",
4393 format("variable = f(\"long string literal\", short, "
4394 "loooooooooooooooooooong);",
4395 getLLVMStyleWithColumns(20)));
4396 EXPECT_EQ(
4397 "f(\"one two\".split(\n"
4398 " variable));",
4399 format("f(\"one two\".split(variable));", getLLVMStyleWithColumns(20)));
4400 EXPECT_EQ("f(\"one two three four five six \"\n"
4401 " \"seven\".split(\n"
4402 " really_looooong_variable));",
4403 format("f(\"one two three four five six seven\"."
4404 "split(really_looooong_variable));",
4405 getLLVMStyleWithColumns(33)));
4406
4407 EXPECT_EQ("f(\"some \"\n"
4408 " \"text\",\n"
4409 " other);",
4410 format("f(\"some text\", other);", getLLVMStyleWithColumns(10)));
Daniel Jasper5497fce2013-02-26 12:52:34 +00004411
4412 // Only break as a last resort.
4413 verifyFormat(
4414 "aaaaaaaaaaaaaaaaaaaa(\n"
4415 " aaaaaaaaaaaaaaaaaaaa,\n"
4416 " aaaaaa(\"aaa aaaaa aaa aaa aaaaa aaa aaaaa aaa aaa aaaaaa\"));");
Manuel Klimekb176cff2013-03-01 13:14:08 +00004417
4418 EXPECT_EQ(
4419 "\"splitmea\"\n"
Manuel Klimeke317d1b2013-03-01 13:29:19 +00004420 "\"trandomp\"\n"
4421 "\"oint\"",
Manuel Klimekb176cff2013-03-01 13:14:08 +00004422 format("\"splitmeatrandompoint\"", getLLVMStyleWithColumns(10)));
Manuel Klimeke317d1b2013-03-01 13:29:19 +00004423
4424 EXPECT_EQ(
4425 "\"split/\"\n"
4426 "\"pathat/\"\n"
4427 "\"slashes\"",
4428 format("\"split/pathat/slashes\"", getLLVMStyleWithColumns(10)));
Daniel Jasper6fe2f002013-04-25 08:56:26 +00004429
4430 FormatStyle AlignLeft = getLLVMStyleWithColumns(12);
4431 AlignLeft.AlignEscapedNewlinesLeft = true;
4432 EXPECT_EQ(
4433 "#define A \\\n"
4434 " \"some \" \\\n"
4435 " \"text \" \\\n"
4436 " \"other\";",
4437 format("#define A \"some text other\";", AlignLeft));
Manuel Klimek1998ea22013-02-20 10:15:13 +00004438}
4439
Manuel Klimek5ecb5fd2013-05-14 09:04:24 +00004440TEST_F(FormatTest, BreakStringLiteralsBeforeUnbreakableTokenSequence) {
4441 EXPECT_EQ("someFunction(\"aaabbbcccd\"\n"
4442 " \"ddeeefff\");",
4443 format("someFunction(\"aaabbbcccdddeeefff\");",
4444 getLLVMStyleWithColumns(25)));
4445 EXPECT_EQ("someFunction1234567890(\n"
4446 " \"aaabbbcccdddeeefff\");",
4447 format("someFunction1234567890(\"aaabbbcccdddeeefff\");",
4448 getLLVMStyleWithColumns(26)));
4449 EXPECT_EQ("someFunction1234567890(\n"
4450 " \"aaabbbcccdddeeeff\"\n"
4451 " \"f\");",
4452 format("someFunction1234567890(\"aaabbbcccdddeeefff\");",
4453 getLLVMStyleWithColumns(25)));
4454 EXPECT_EQ("someFunction1234567890(\n"
4455 " \"aaabbbcccdddeeeff\"\n"
4456 " \"f\");",
4457 format("someFunction1234567890(\"aaabbbcccdddeeefff\");",
4458 getLLVMStyleWithColumns(24)));
4459 EXPECT_EQ("someFunction(\n"
4460 " \"aaabbbcc \"\n"
4461 " \"dddeeefff\");",
4462 format("someFunction(\"aaabbbcc dddeeefff\");",
4463 getLLVMStyleWithColumns(25)));
4464 EXPECT_EQ("someFunction(\"aaabbbccc \"\n"
4465 " \"ddeeefff\");",
4466 format("someFunction(\"aaabbbccc ddeeefff\");",
4467 getLLVMStyleWithColumns(25)));
4468 EXPECT_EQ("someFunction1234567890(\n"
4469 " \"aaabb \"\n"
4470 " \"cccdddeeefff\");",
4471 format("someFunction1234567890(\"aaabb cccdddeeefff\");",
4472 getLLVMStyleWithColumns(25)));
4473 EXPECT_EQ("#define A \\\n"
4474 " string s = \\\n"
4475 " \"123456789\" \\\n"
4476 " \"0\"; \\\n"
4477 " int i;",
4478 format("#define A string s = \"1234567890\"; int i;",
4479 getLLVMStyleWithColumns(20)));
4480}
4481
Manuel Klimek5085d9b2013-03-08 18:59:48 +00004482TEST_F(FormatTest, DoNotBreakStringLiteralsInEscapeSequence) {
4483 EXPECT_EQ("\"\\a\"",
4484 format("\"\\a\"", getLLVMStyleWithColumns(3)));
4485 EXPECT_EQ("\"\\\"",
4486 format("\"\\\"", getLLVMStyleWithColumns(2)));
4487 EXPECT_EQ("\"test\"\n"
4488 "\"\\n\"",
4489 format("\"test\\n\"", getLLVMStyleWithColumns(7)));
4490 EXPECT_EQ("\"tes\\\\\"\n"
4491 "\"n\"",
4492 format("\"tes\\\\n\"", getLLVMStyleWithColumns(7)));
4493 EXPECT_EQ("\"\\\\\\\\\"\n"
4494 "\"\\n\"",
4495 format("\"\\\\\\\\\\n\"", getLLVMStyleWithColumns(7)));
4496 EXPECT_EQ("\"\\uff01\"",
4497 format("\"\\uff01\"", getLLVMStyleWithColumns(7)));
4498 EXPECT_EQ("\"\\uff01\"\n"
4499 "\"test\"",
4500 format("\"\\uff01test\"", getLLVMStyleWithColumns(8)));
4501 EXPECT_EQ("\"\\Uff01ff02\"",
4502 format("\"\\Uff01ff02\"", getLLVMStyleWithColumns(11)));
4503 EXPECT_EQ("\"\\x000000000001\"\n"
4504 "\"next\"",
4505 format("\"\\x000000000001next\"", getLLVMStyleWithColumns(16)));
4506 EXPECT_EQ("\"\\x000000000001next\"",
4507 format("\"\\x000000000001next\"", getLLVMStyleWithColumns(15)));
4508 EXPECT_EQ("\"\\x000000000001\"",
4509 format("\"\\x000000000001\"", getLLVMStyleWithColumns(7)));
4510 EXPECT_EQ("\"test\"\n"
4511 "\"\\000000\"\n"
4512 "\"000001\"",
4513 format("\"test\\000000000001\"", getLLVMStyleWithColumns(9)));
4514 EXPECT_EQ("\"test\\000\"\n"
Alexander Kornienkocb45bc12013-04-15 14:28:00 +00004515 "\"00000000\"\n"
4516 "\"1\"",
Manuel Klimek5085d9b2013-03-08 18:59:48 +00004517 format("\"test\\000000000001\"", getLLVMStyleWithColumns(10)));
4518 EXPECT_EQ("R\"(\\x\\x00)\"\n",
4519 format("R\"(\\x\\x00)\"\n", getLLVMStyleWithColumns(7)));
4520}
4521
Manuel Klimeka3ff45e2013-04-10 09:52:05 +00004522TEST_F(FormatTest, DoNotCreateUnreasonableUnwrappedLines) {
4523 verifyFormat("void f() {\n"
4524 " return g() {}\n"
4525 " void h() {}");
4526 verifyFormat("if (foo)\n"
4527 " return { forgot_closing_brace();\n"
4528 "test();");
Daniel Jasper1ec31062013-05-28 18:50:02 +00004529 verifyFormat("int a[] = { void forgot_closing_brace() { f();\n"
4530 "g();\n"
Manuel Klimeka3ff45e2013-04-10 09:52:05 +00004531 "}");
4532}
4533
Manuel Klimek13b97d82013-05-13 08:42:42 +00004534TEST_F(FormatTest, FormatsClosingBracesInEmptyNestedBlocks) {
4535 verifyFormat("class X {\n"
4536 " void f() {\n"
4537 " }\n"
4538 "};",
4539 getLLVMStyleWithColumns(12));
4540}
4541
4542TEST_F(FormatTest, ConfigurableIndentWidth) {
4543 FormatStyle EightIndent = getLLVMStyleWithColumns(18);
4544 EightIndent.IndentWidth = 8;
4545 verifyFormat("void f() {\n"
4546 " someFunction();\n"
4547 " if (true) {\n"
4548 " f();\n"
4549 " }\n"
4550 "}",
4551 EightIndent);
4552 verifyFormat("class X {\n"
4553 " void f() {\n"
4554 " }\n"
4555 "};",
4556 EightIndent);
4557 verifyFormat("int x[] = {\n"
4558 " call(),\n"
4559 " call(),\n"
4560 "};",
4561 EightIndent);
4562}
4563
Manuel Klimekb9eae4c2013-05-13 09:22:11 +00004564TEST_F(FormatTest, ConfigurableUseOfTab) {
4565 FormatStyle Tab = getLLVMStyleWithColumns(42);
4566 Tab.IndentWidth = 8;
4567 Tab.UseTab = true;
4568 Tab.AlignEscapedNewlinesLeft = true;
4569 verifyFormat("class X {\n"
4570 "\tvoid f() {\n"
4571 "\t\tsomeFunction(parameter1,\n"
4572 "\t\t\t parameter2);\n"
4573 "\t}\n"
4574 "};",
4575 Tab);
4576 verifyFormat("#define A \\\n"
4577 "\tvoid f() { \\\n"
4578 "\t\tsomeFunction( \\\n"
4579 "\t\t parameter1, \\\n"
4580 "\t\t parameter2); \\\n"
4581 "\t}",
4582 Tab);
Manuel Klimek9043c742013-05-27 15:23:34 +00004583
Manuel Klimek34d15152013-05-28 10:01:59 +00004584
4585 // FIXME: To correctly count mixed whitespace we need to
4586 // also correctly count mixed whitespace in front of the comment.
4587 //
4588 // EXPECT_EQ("/*\n"
4589 // "\t a\t\tcomment\n"
4590 // "\t in multiple lines\n"
4591 // " */",
4592 // format(" /*\t \t \n"
4593 // " \t \t a\t\tcomment\t \t\n"
4594 // " \t \t in multiple lines\t\n"
4595 // " \t */",
4596 // Tab));
4597 // Tab.UseTab = false;
4598 // EXPECT_EQ("/*\n"
4599 // " a\t\tcomment\n"
4600 // " in multiple lines\n"
4601 // " */",
4602 // format(" /*\t \t \n"
4603 // " \t \t a\t\tcomment\t \t\n"
4604 // " \t \t in multiple lines\t\n"
4605 // " \t */",
4606 // Tab));
Manuel Klimek9043c742013-05-27 15:23:34 +00004607 // EXPECT_EQ("/* some\n"
4608 // " comment */",
4609 // format(" \t \t /* some\n"
4610 // " \t \t comment */",
4611 // Tab));
Manuel Klimek34d15152013-05-28 10:01:59 +00004612
4613 EXPECT_EQ("{\n"
4614 " /*\n"
4615 " * Comment\n"
4616 " */\n"
4617 " int i;\n"
4618 "}",
4619 format("{\n"
4620 "\t/*\n"
4621 "\t * Comment\n"
4622 "\t */\n"
4623 "\t int i;\n"
4624 "}"));
Manuel Klimekb9eae4c2013-05-13 09:22:11 +00004625}
4626
Manuel Klimeka8eb9142013-05-13 12:51:40 +00004627TEST_F(FormatTest, LinuxBraceBreaking) {
4628 FormatStyle BreakBeforeBrace = getLLVMStyle();
4629 BreakBeforeBrace.BreakBeforeBraces = FormatStyle::BS_Linux;
4630 verifyFormat("namespace a\n"
4631 "{\n"
4632 "class A\n"
4633 "{\n"
4634 " void f()\n"
4635 " {\n"
4636 " if (true) {\n"
4637 " a();\n"
4638 " b();\n"
4639 " }\n"
4640 " }\n"
Daniel Jasper00aca702013-05-15 08:30:06 +00004641 " void g()\n"
4642 " {\n"
4643 " return;\n"
4644 " }\n"
Manuel Klimeka8eb9142013-05-13 12:51:40 +00004645 "}\n"
4646 "}",
4647 BreakBeforeBrace);
4648}
4649
4650TEST_F(FormatTest, StroustrupBraceBreaking) {
4651 FormatStyle BreakBeforeBrace = getLLVMStyle();
4652 BreakBeforeBrace.BreakBeforeBraces = FormatStyle::BS_Stroustrup;
4653 verifyFormat("namespace a {\n"
4654 "class A {\n"
4655 " void f()\n"
4656 " {\n"
4657 " if (true) {\n"
4658 " a();\n"
4659 " b();\n"
4660 " }\n"
4661 " }\n"
Daniel Jasper00aca702013-05-15 08:30:06 +00004662 " void g()\n"
4663 " {\n"
4664 " return;\n"
4665 " }\n"
Manuel Klimeka8eb9142013-05-13 12:51:40 +00004666 "}\n"
4667 "}",
4668 BreakBeforeBrace);
4669}
4670
Alexander Kornienkod6538332013-05-07 15:32:14 +00004671bool allStylesEqual(ArrayRef<FormatStyle> Styles) {
4672 for (size_t i = 1; i < Styles.size(); ++i)
4673 if (!(Styles[0] == Styles[i]))
4674 return false;
4675 return true;
4676}
4677
4678TEST_F(FormatTest, GetsPredefinedStyleByName) {
Alexander Kornienko006b5c82013-05-19 00:53:30 +00004679 FormatStyle Styles[3];
Alexander Kornienkod6538332013-05-07 15:32:14 +00004680
Alexander Kornienko006b5c82013-05-19 00:53:30 +00004681 Styles[0] = getLLVMStyle();
4682 EXPECT_TRUE(getPredefinedStyle("LLVM", &Styles[1]));
4683 EXPECT_TRUE(getPredefinedStyle("lLvM", &Styles[2]));
4684 EXPECT_TRUE(allStylesEqual(Styles));
Alexander Kornienkod6538332013-05-07 15:32:14 +00004685
Alexander Kornienko006b5c82013-05-19 00:53:30 +00004686 Styles[0] = getGoogleStyle();
4687 EXPECT_TRUE(getPredefinedStyle("Google", &Styles[1]));
4688 EXPECT_TRUE(getPredefinedStyle("gOOgle", &Styles[2]));
4689 EXPECT_TRUE(allStylesEqual(Styles));
Alexander Kornienkod6538332013-05-07 15:32:14 +00004690
Alexander Kornienko006b5c82013-05-19 00:53:30 +00004691 Styles[0] = getChromiumStyle();
4692 EXPECT_TRUE(getPredefinedStyle("Chromium", &Styles[1]));
4693 EXPECT_TRUE(getPredefinedStyle("cHRoMiUM", &Styles[2]));
4694 EXPECT_TRUE(allStylesEqual(Styles));
4695
4696 Styles[0] = getMozillaStyle();
4697 EXPECT_TRUE(getPredefinedStyle("Mozilla", &Styles[1]));
4698 EXPECT_TRUE(getPredefinedStyle("moZILla", &Styles[2]));
4699 EXPECT_TRUE(allStylesEqual(Styles));
4700
4701 EXPECT_FALSE(getPredefinedStyle("qwerty", &Styles[0]));
Alexander Kornienkod6538332013-05-07 15:32:14 +00004702}
4703
4704TEST_F(FormatTest, ParsesConfiguration) {
4705 FormatStyle Style = {};
4706#define CHECK_PARSE(TEXT, FIELD, VALUE) \
4707 EXPECT_NE(VALUE, Style.FIELD); \
4708 EXPECT_EQ(0, parseConfiguration(TEXT, &Style).value()); \
4709 EXPECT_EQ(VALUE, Style.FIELD)
4710
4711#define CHECK_PARSE_BOOL(FIELD) \
4712 Style.FIELD = false; \
4713 EXPECT_EQ(0, parseConfiguration(#FIELD ": true", &Style).value()); \
Alexander Kornienko006b5c82013-05-19 00:53:30 +00004714 EXPECT_TRUE(Style.FIELD); \
Alexander Kornienkod6538332013-05-07 15:32:14 +00004715 EXPECT_EQ(0, parseConfiguration(#FIELD ": false", &Style).value()); \
Patrik Hagglund76aca642013-05-14 07:53:53 +00004716 EXPECT_FALSE(Style.FIELD);
Alexander Kornienkod6538332013-05-07 15:32:14 +00004717
4718 CHECK_PARSE_BOOL(AlignEscapedNewlinesLeft);
4719 CHECK_PARSE_BOOL(AllowAllParametersOfDeclarationOnNextLine);
4720 CHECK_PARSE_BOOL(AllowShortIfStatementsOnASingleLine);
Daniel Jasper997af662013-05-16 12:16:23 +00004721 CHECK_PARSE_BOOL(AllowShortLoopsOnASingleLine);
Daniel Jasper61e6bbf2013-05-29 12:07:31 +00004722 CHECK_PARSE_BOOL(AlwaysBreakTemplateDeclarations);
Alexander Kornienkod6538332013-05-07 15:32:14 +00004723 CHECK_PARSE_BOOL(BinPackParameters);
4724 CHECK_PARSE_BOOL(ConstructorInitializerAllOnOneLineOrOnePerLine);
4725 CHECK_PARSE_BOOL(DerivePointerBinding);
4726 CHECK_PARSE_BOOL(IndentCaseLabels);
4727 CHECK_PARSE_BOOL(ObjCSpaceBeforeProtocolList);
4728 CHECK_PARSE_BOOL(PointerBindsToType);
Daniel Jaspere5777d22013-05-23 10:15:45 +00004729 CHECK_PARSE_BOOL(SpacesInBracedLists);
Manuel Klimekb9eae4c2013-05-13 09:22:11 +00004730 CHECK_PARSE_BOOL(UseTab);
Alexander Kornienkod6538332013-05-07 15:32:14 +00004731
4732 CHECK_PARSE("AccessModifierOffset: -1234", AccessModifierOffset, -1234);
4733 CHECK_PARSE("ColumnLimit: 1234", ColumnLimit, 1234u);
4734 CHECK_PARSE("MaxEmptyLinesToKeep: 1234", MaxEmptyLinesToKeep, 1234u);
4735 CHECK_PARSE("PenaltyExcessCharacter: 1234", PenaltyExcessCharacter, 1234u);
4736 CHECK_PARSE("PenaltyReturnTypeOnItsOwnLine: 1234",
4737 PenaltyReturnTypeOnItsOwnLine, 1234u);
4738 CHECK_PARSE("SpacesBeforeTrailingComments: 1234",
4739 SpacesBeforeTrailingComments, 1234u);
Manuel Klimek13b97d82013-05-13 08:42:42 +00004740 CHECK_PARSE("IndentWidth: 32", IndentWidth, 32u);
Alexander Kornienkod6538332013-05-07 15:32:14 +00004741
4742 Style.Standard = FormatStyle::LS_Auto;
4743 CHECK_PARSE("Standard: C++03", Standard, FormatStyle::LS_Cpp03);
4744 CHECK_PARSE("Standard: C++11", Standard, FormatStyle::LS_Cpp11);
4745 CHECK_PARSE("Standard: Auto", Standard, FormatStyle::LS_Auto);
4746
4747 Style.ColumnLimit = 123;
4748 FormatStyle BaseStyle = getLLVMStyle();
4749 CHECK_PARSE("BasedOnStyle: LLVM", ColumnLimit, BaseStyle.ColumnLimit);
4750 CHECK_PARSE("BasedOnStyle: LLVM\nColumnLimit: 1234", ColumnLimit, 1234u);
4751
Manuel Klimeka8eb9142013-05-13 12:51:40 +00004752 Style.BreakBeforeBraces = FormatStyle::BS_Stroustrup;
4753 CHECK_PARSE("BreakBeforeBraces: Attach", BreakBeforeBraces,
4754 FormatStyle::BS_Attach);
4755 CHECK_PARSE("BreakBeforeBraces: Linux", BreakBeforeBraces,
4756 FormatStyle::BS_Linux);
4757 CHECK_PARSE("BreakBeforeBraces: Stroustrup", BreakBeforeBraces,
4758 FormatStyle::BS_Stroustrup);
4759
Alexander Kornienkod6538332013-05-07 15:32:14 +00004760#undef CHECK_PARSE
4761#undef CHECK_PARSE_BOOL
4762}
4763
4764TEST_F(FormatTest, ConfigurationRoundTripTest) {
4765 FormatStyle Style = getLLVMStyle();
4766 std::string YAML = configurationAsText(Style);
4767 FormatStyle ParsedStyle = {};
4768 EXPECT_EQ(0, parseConfiguration(YAML, &ParsedStyle).value());
4769 EXPECT_EQ(Style, ParsedStyle);
4770}
4771
Daniel Jasper8d1832e2013-01-07 13:26:07 +00004772} // end namespace tooling
4773} // end namespace clang