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gerrit-public.fairphone.software / toolchain / llvm-project / 3adfb6a3eed268a04275334147a57e165ceb5669 / . / clang / unittests / Format / FormatTestObjC.cpp
blob: 680ff92f75e89e25acf14afa870de0b12dc0cb79 [file] [log] [blame]
Daniel Jasper03a04fe2016-12-12 12:42:29 +0000[diff] [blame]1//===- unittest/Format/FormatTestObjC.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
10#include "clang/Format/Format.h"
11
12#include "../Tooling/ReplacementTest.h"
13#include "FormatTestUtils.h"
14
15#include "clang/Frontend/TextDiagnosticPrinter.h"
16#include "llvm/Support/Debug.h"
17#include "llvm/Support/MemoryBuffer.h"
18#include "gtest/gtest.h"
19
20#define DEBUG_TYPE "format-test"
21
22using clang::tooling::ReplacementTest;
23using clang::tooling::toReplacements;
24
25namespace clang {
26namespace format {
27namespace {
28
29class FormatTestObjC : public ::testing::Test {
30protected:
31 FormatTestObjC() {
32 Style = getLLVMStyle();
33 Style.Language = FormatStyle::LK_ObjC;
34 }
35
36 enum IncompleteCheck {
37 IC_ExpectComplete,
38 IC_ExpectIncomplete,
39 IC_DoNotCheck
40 };
41
42 std::string format(llvm::StringRef Code,
43 IncompleteCheck CheckIncomplete = IC_ExpectComplete) {
44 DEBUG(llvm::errs() << "---\n");
45 DEBUG(llvm::errs() << Code << "\n\n");
46 std::vector<tooling::Range> Ranges(1, tooling::Range(0, Code.size()));
47 bool IncompleteFormat = false;
48 tooling::Replacements Replaces =
49 reformat(Style, Code, Ranges, "<stdin>", &IncompleteFormat);
50 if (CheckIncomplete != IC_DoNotCheck) {
51 bool ExpectedIncompleteFormat = CheckIncomplete == IC_ExpectIncomplete;
52 EXPECT_EQ(ExpectedIncompleteFormat, IncompleteFormat) << Code << "\n\n";
53 }
54 auto Result = applyAllReplacements(Code, Replaces);
55 EXPECT_TRUE(static_cast<bool>(Result));
56 DEBUG(llvm::errs() << "\n" << *Result << "\n\n");
57 return *Result;
58 }
59
60 void verifyFormat(StringRef Code) {
61 EXPECT_EQ(Code.str(), format(test::messUp(Code)));
62 }
63
64 void verifyIncompleteFormat(StringRef Code) {
65 EXPECT_EQ(Code.str(), format(test::messUp(Code), IC_ExpectIncomplete));
66 }
67
68 FormatStyle Style;
69};
70
Antonio Maiorano3adfb6a2017-01-17 00:12:27 +0000[diff] [blame^]71TEST(FormatTestObjCStyle, DetectsObjCInHeaders) {
72 auto Style = getStyle("LLVM", "a.h", "none", "@interface\n"
73 "- (id)init;");
74 ASSERT_TRUE((bool)Style);
75 EXPECT_EQ(FormatStyle::LK_ObjC, Style->Language);
76
Daniel Jasper03a04fe2016-12-12 12:42:29 +0000[diff] [blame]77 Style = getStyle("LLVM", "a.h", "none", "@interface\n"
78 "+ (id)init;");
Antonio Maiorano3adfb6a2017-01-17 00:12:27 +0000[diff] [blame^]79 ASSERT_TRUE((bool)Style);
80 EXPECT_EQ(FormatStyle::LK_ObjC, Style->Language);
Daniel Jasper03a04fe2016-12-12 12:42:29 +0000[diff] [blame]81
82 // No recognizable ObjC.
83 Style = getStyle("LLVM", "a.h", "none", "void f() {}");
Antonio Maiorano3adfb6a2017-01-17 00:12:27 +0000[diff] [blame^]84 ASSERT_TRUE((bool)Style);
85 EXPECT_EQ(FormatStyle::LK_Cpp, Style->Language);
Daniel Jasper03a04fe2016-12-12 12:42:29 +0000[diff] [blame]86}
87
88TEST_F(FormatTestObjC, FormatObjCTryCatch) {
89 verifyFormat("@try {\n"
90 " f();\n"
91 "} @catch (NSException e) {\n"
92 " @throw;\n"
93 "} @finally {\n"
94 " exit(42);\n"
95 "}");
96 verifyFormat("DEBUG({\n"
97 " @try {\n"
98 " } @finally {\n"
99 " }\n"
100 "});\n");
101}
102
103TEST_F(FormatTestObjC, FormatObjCAutoreleasepool) {
104 verifyFormat("@autoreleasepool {\n"
105 " f();\n"
106 "}\n"
107 "@autoreleasepool {\n"
108 " f();\n"
109 "}\n");
110 Style.BreakBeforeBraces = FormatStyle::BS_Allman;
111 verifyFormat("@autoreleasepool\n"
112 "{\n"
113 " f();\n"
114 "}\n"
115 "@autoreleasepool\n"
116 "{\n"
117 " f();\n"
118 "}\n");
119}
120
121TEST_F(FormatTestObjC, FormatObjCInterface) {
122 verifyFormat("@interface Foo : NSObject <NSSomeDelegate> {\n"
123 "@public\n"
124 " int field1;\n"
125 "@protected\n"
126 " int field2;\n"
127 "@private\n"
128 " int field3;\n"
129 "@package\n"
130 " int field4;\n"
131 "}\n"
132 "+ (id)init;\n"
133 "@end");
134
135 verifyFormat("@interface /* wait for it */ Foo\n"
136 "+ (id)init;\n"
137 "// Look, a comment!\n"
138 "- (int)answerWith:(int)i;\n"
139 "@end");
140
141 verifyFormat("@interface Foo\n"
142 "@end\n"
143 "@interface Bar\n"
144 "@end");
145
146 verifyFormat("@interface Foo : Bar\n"
147 "+ (id)init;\n"
148 "@end");
149
150 verifyFormat("@interface Foo : /**/ Bar /**/ <Baz, /**/ Quux>\n"
151 "+ (id)init;\n"
152 "@end");
153
154 verifyFormat("@interface Foo (HackStuff)\n"
155 "+ (id)init;\n"
156 "@end");
157
158 verifyFormat("@interface Foo ()\n"
159 "+ (id)init;\n"
160 "@end");
161
162 verifyFormat("@interface Foo (HackStuff) <MyProtocol>\n"
163 "+ (id)init;\n"
164 "@end");
165
166 verifyFormat("@interface Foo {\n"
167 " int _i;\n"
168 "}\n"
169 "+ (id)init;\n"
170 "@end");
171
172 verifyFormat("@interface Foo : Bar {\n"
173 " int _i;\n"
174 "}\n"
175 "+ (id)init;\n"
176 "@end");
177
178 verifyFormat("@interface Foo : Bar <Baz, Quux> {\n"
179 " int _i;\n"
180 "}\n"
181 "+ (id)init;\n"
182 "@end");
183
184 verifyFormat("@interface Foo (HackStuff) {\n"
185 " int _i;\n"
186 "}\n"
187 "+ (id)init;\n"
188 "@end");
189
190 verifyFormat("@interface Foo () {\n"
191 " int _i;\n"
192 "}\n"
193 "+ (id)init;\n"
194 "@end");
195
196 verifyFormat("@interface Foo (HackStuff) <MyProtocol> {\n"
197 " int _i;\n"
198 "}\n"
199 "+ (id)init;\n"
200 "@end");
201
202 Style = getGoogleStyle(FormatStyle::LK_ObjC);
203 verifyFormat("@interface Foo : NSObject<NSSomeDelegate> {\n"
204 " @public\n"
205 " int field1;\n"
206 " @protected\n"
207 " int field2;\n"
208 " @private\n"
209 " int field3;\n"
210 " @package\n"
211 " int field4;\n"
212 "}\n"
213 "+ (id)init;\n"
214 "@end");
215 verifyFormat("@interface Foo : Bar<Baz, Quux>\n"
216 "+ (id)init;\n"
217 "@end");
218 verifyFormat("@interface Foo (HackStuff)<MyProtocol>\n"
219 "+ (id)init;\n"
220 "@end");
221 Style.BinPackParameters = false;
222 Style.ColumnLimit = 80;
223 verifyFormat("@interface aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ()<\n"
224 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
225 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
226 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
227 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa> {\n"
228 "}");
229}
230
231TEST_F(FormatTestObjC, FormatObjCImplementation) {
232 verifyFormat("@implementation Foo : NSObject {\n"
233 "@public\n"
234 " int field1;\n"
235 "@protected\n"
236 " int field2;\n"
237 "@private\n"
238 " int field3;\n"
239 "@package\n"
240 " int field4;\n"
241 "}\n"
242 "+ (id)init {\n}\n"
243 "@end");
244
245 verifyFormat("@implementation Foo\n"
246 "+ (id)init {\n"
247 " if (true)\n"
248 " return nil;\n"
249 "}\n"
250 "// Look, a comment!\n"
251 "- (int)answerWith:(int)i {\n"
252 " return i;\n"
253 "}\n"
254 "+ (int)answerWith:(int)i {\n"
255 " return i;\n"
256 "}\n"
257 "@end");
258
259 verifyFormat("@implementation Foo\n"
260 "@end\n"
261 "@implementation Bar\n"
262 "@end");
263
264 EXPECT_EQ("@implementation Foo : Bar\n"
265 "+ (id)init {\n}\n"
266 "- (void)foo {\n}\n"
267 "@end",
268 format("@implementation Foo : Bar\n"
269 "+(id)init{}\n"
270 "-(void)foo{}\n"
271 "@end"));
272
273 verifyFormat("@implementation Foo {\n"
274 " int _i;\n"
275 "}\n"
276 "+ (id)init {\n}\n"
277 "@end");
278
279 verifyFormat("@implementation Foo : Bar {\n"
280 " int _i;\n"
281 "}\n"
282 "+ (id)init {\n}\n"
283 "@end");
284
285 verifyFormat("@implementation Foo (HackStuff)\n"
286 "+ (id)init {\n}\n"
287 "@end");
288 verifyFormat("@implementation ObjcClass\n"
289 "- (void)method;\n"
290 "{}\n"
291 "@end");
292
293 Style = getGoogleStyle(FormatStyle::LK_ObjC);
294 verifyFormat("@implementation Foo : NSObject {\n"
295 " @public\n"
296 " int field1;\n"
297 " @protected\n"
298 " int field2;\n"
299 " @private\n"
300 " int field3;\n"
301 " @package\n"
302 " int field4;\n"
303 "}\n"
304 "+ (id)init {\n}\n"
305 "@end");
306}
307
308TEST_F(FormatTestObjC, FormatObjCProtocol) {
309 verifyFormat("@protocol Foo\n"
310 "@property(weak) id delegate;\n"
311 "- (NSUInteger)numberOfThings;\n"
312 "@end");
313
314 verifyFormat("@protocol MyProtocol <NSObject>\n"
315 "- (NSUInteger)numberOfThings;\n"
316 "@end");
317
318 verifyFormat("@protocol Foo;\n"
319 "@protocol Bar;\n");
320
321 verifyFormat("@protocol Foo\n"
322 "@end\n"
323 "@protocol Bar\n"
324 "@end");
325
326 verifyFormat("@protocol myProtocol\n"
327 "- (void)mandatoryWithInt:(int)i;\n"
328 "@optional\n"
329 "- (void)optional;\n"
330 "@required\n"
331 "- (void)required;\n"
332 "@optional\n"
333 "@property(assign) int madProp;\n"
334 "@end\n");
335
336 verifyFormat("@property(nonatomic, assign, readonly)\n"
337 " int *looooooooooooooooooooooooooooongNumber;\n"
338 "@property(nonatomic, assign, readonly)\n"
339 " NSString *looooooooooooooooooooooooooooongName;");
340
341 verifyFormat("@implementation PR18406\n"
342 "}\n"
343 "@end");
344
345 Style = getGoogleStyle(FormatStyle::LK_ObjC);
346 verifyFormat("@protocol MyProtocol<NSObject>\n"
347 "- (NSUInteger)numberOfThings;\n"
348 "@end");
349}
350
351TEST_F(FormatTestObjC, FormatObjCMethodDeclarations) {
352 verifyFormat("- (void)doSomethingWith:(GTMFoo *)theFoo\n"
353 " rect:(NSRect)theRect\n"
354 " interval:(float)theInterval {\n"
355 "}");
356 verifyFormat("- (void)shortf:(GTMFoo *)theFoo\n"
357 " longKeyword:(NSRect)theRect\n"
358 " longerKeyword:(float)theInterval\n"
359 " error:(NSError **)theError {\n"
360 "}");
361 verifyFormat("- (void)shortf:(GTMFoo *)theFoo\n"
362 " longKeyword:(NSRect)theRect\n"
363 " evenLongerKeyword:(float)theInterval\n"
364 " error:(NSError **)theError {\n"
365 "}");
366 Style.ColumnLimit = 60;
367 verifyFormat("- (instancetype)initXxxxxx:(id<x>)x\n"
368 " y:(id<yyyyyyyyyyyyyyyyyyyy>)y\n"
369 " NS_DESIGNATED_INITIALIZER;");
370 verifyFormat("- (void)drawRectOn:(id)surface\n"
371 " ofSize:(size_t)height\n"
372 " :(size_t)width;");
373
374 // Continuation indent width should win over aligning colons if the function
375 // name is long.
376 Style = getGoogleStyle(FormatStyle::LK_ObjC);
377 Style.ColumnLimit = 40;
378 Style.IndentWrappedFunctionNames = true;
379 verifyFormat("- (void)shortf:(GTMFoo *)theFoo\n"
380 " dontAlignNamef:(NSRect)theRect {\n"
381 "}");
382
383 // Make sure we don't break aligning for short parameter names.
384 verifyFormat("- (void)shortf:(GTMFoo *)theFoo\n"
385 " aShortf:(NSRect)theRect {\n"
386 "}");
387
388 // Format pairs correctly.
389 Style.ColumnLimit = 80;
390 verifyFormat("- (void)drawRectOn:(id)surface\n"
391 " ofSize:(aaaaaaaa)height\n"
392 " :(size_t)width\n"
393 " atOrigin:(size_t)x\n"
394 " :(size_t)y\n"
395 " aaaaa:(a)yyy\n"
396 " bbb:(d)cccc;");
397 verifyFormat("- (void)drawRectOn:(id)surface ofSize:(aaa)height:(bbb)width;");
398}
399
400TEST_F(FormatTestObjC, FormatObjCMethodExpr) {
401 verifyFormat("[foo bar:baz];");
402 verifyFormat("return [foo bar:baz];");
403 verifyFormat("return (a)[foo bar:baz];");
404 verifyFormat("f([foo bar:baz]);");
405 verifyFormat("f(2, [foo bar:baz]);");
406 verifyFormat("f(2, a ? b : c);");
407 verifyFormat("[[self initWithInt:4] bar:[baz quux:arrrr]];");
408
409 // Unary operators.
410 verifyFormat("int a = +[foo bar:baz];");
411 verifyFormat("int a = -[foo bar:baz];");
412 verifyFormat("int a = ![foo bar:baz];");
413 verifyFormat("int a = ~[foo bar:baz];");
414 verifyFormat("int a = ++[foo bar:baz];");
415 verifyFormat("int a = --[foo bar:baz];");
416 verifyFormat("int a = sizeof [foo bar:baz];");
417 verifyFormat("int a = alignof [foo bar:baz];");
418 verifyFormat("int a = &[foo bar:baz];");
419 verifyFormat("int a = *[foo bar:baz];");
420 // FIXME: Make casts work, without breaking f()[4].
421 // verifyFormat("int a = (int)[foo bar:baz];");
422 // verifyFormat("return (int)[foo bar:baz];");
423 // verifyFormat("(void)[foo bar:baz];");
424 verifyFormat("return (MyType *)[self.tableView cellForRowAtIndexPath:cell];");
425
426 // Binary operators.
427 verifyFormat("[foo bar:baz], [foo bar:baz];");
428 verifyFormat("[foo bar:baz] = [foo bar:baz];");
429 verifyFormat("[foo bar:baz] *= [foo bar:baz];");
430 verifyFormat("[foo bar:baz] /= [foo bar:baz];");
431 verifyFormat("[foo bar:baz] %= [foo bar:baz];");
432 verifyFormat("[foo bar:baz] += [foo bar:baz];");
433 verifyFormat("[foo bar:baz] -= [foo bar:baz];");
434 verifyFormat("[foo bar:baz] <<= [foo bar:baz];");
435 verifyFormat("[foo bar:baz] >>= [foo bar:baz];");
436 verifyFormat("[foo bar:baz] &= [foo bar:baz];");
437 verifyFormat("[foo bar:baz] ^= [foo bar:baz];");
438 verifyFormat("[foo bar:baz] |= [foo bar:baz];");
439 verifyFormat("[foo bar:baz] ? [foo bar:baz] : [foo bar:baz];");
440 verifyFormat("[foo bar:baz] || [foo bar:baz];");
441 verifyFormat("[foo bar:baz] && [foo bar:baz];");
442 verifyFormat("[foo bar:baz] | [foo bar:baz];");
443 verifyFormat("[foo bar:baz] ^ [foo bar:baz];");
444 verifyFormat("[foo bar:baz] & [foo bar:baz];");
445 verifyFormat("[foo bar:baz] == [foo bar:baz];");
446 verifyFormat("[foo bar:baz] != [foo bar:baz];");
447 verifyFormat("[foo bar:baz] >= [foo bar:baz];");
448 verifyFormat("[foo bar:baz] <= [foo bar:baz];");
449 verifyFormat("[foo bar:baz] > [foo bar:baz];");
450 verifyFormat("[foo bar:baz] < [foo bar:baz];");
451 verifyFormat("[foo bar:baz] >> [foo bar:baz];");
452 verifyFormat("[foo bar:baz] << [foo bar:baz];");
453 verifyFormat("[foo bar:baz] - [foo bar:baz];");
454 verifyFormat("[foo bar:baz] + [foo bar:baz];");
455 verifyFormat("[foo bar:baz] * [foo bar:baz];");
456 verifyFormat("[foo bar:baz] / [foo bar:baz];");
457 verifyFormat("[foo bar:baz] % [foo bar:baz];");
458 // Whew!
459
460 verifyFormat("return in[42];");
461 verifyFormat("for (auto v : in[1]) {\n}");
462 verifyFormat("for (int i = 0; i < in[a]; ++i) {\n}");
463 verifyFormat("for (int i = 0; in[a] < i; ++i) {\n}");
464 verifyFormat("for (int i = 0; i < n; ++i, ++in[a]) {\n}");
465 verifyFormat("for (int i = 0; i < n; ++i, in[a]++) {\n}");
466 verifyFormat("for (int i = 0; i < f(in[a]); ++i, in[a]++) {\n}");
467 verifyFormat("for (id foo in [self getStuffFor:bla]) {\n"
468 "}");
469 verifyFormat("[self aaaaa:MACRO(a, b:, c:)];");
470 verifyFormat("[self aaaaa:(1 + 2) bbbbb:3];");
471 verifyFormat("[self aaaaa:(Type)a bbbbb:3];");
472
473 verifyFormat("[self stuffWithInt:(4 + 2) float:4.5];");
474 verifyFormat("[self stuffWithInt:a ? b : c float:4.5];");
475 verifyFormat("[self stuffWithInt:a ? [self foo:bar] : c];");
476 verifyFormat("[self stuffWithInt:a ? (e ? f : g) : c];");
477 verifyFormat("[cond ? obj1 : obj2 methodWithParam:param]");
478 verifyFormat("[button setAction:@selector(zoomOut:)];");
479 verifyFormat("[color getRed:&r green:&g blue:&b alpha:&a];");
480
481 verifyFormat("arr[[self indexForFoo:a]];");
482 verifyFormat("throw [self errorFor:a];");
483 verifyFormat("@throw [self errorFor:a];");
484
485 verifyFormat("[(id)foo bar:(id)baz quux:(id)snorf];");
486 verifyFormat("[(id)foo bar:(id) ? baz : quux];");
487 verifyFormat("4 > 4 ? (id)a : (id)baz;");
488
489 // This tests that the formatter doesn't break after "backing" but before ":",
490 // which would be at 80 columns.
491 verifyFormat(
492 "void f() {\n"
493 " if ((self = [super initWithContentRect:contentRect\n"
494 " styleMask:styleMask ?: otherMask\n"
495 " backing:NSBackingStoreBuffered\n"
496 " defer:YES]))");
497
498 verifyFormat(
499 "[foo checkThatBreakingAfterColonWorksOk:\n"
500 " [bar ifItDoes:reduceOverallLineLengthLikeInThisCase]];");
501
502 verifyFormat("[myObj short:arg1 // Force line break\n"
503 " longKeyword:arg2 != nil ? arg2 : @\"longKeyword\"\n"
504 " evenLongerKeyword:arg3 ?: @\"evenLongerKeyword\"\n"
505 " error:arg4];");
506 verifyFormat(
507 "void f() {\n"
508 " popup_window_.reset([[RenderWidgetPopupWindow alloc]\n"
509 " initWithContentRect:NSMakeRect(origin_global.x, origin_global.y,\n"
510 " pos.width(), pos.height())\n"
511 " styleMask:NSBorderlessWindowMask\n"
512 " backing:NSBackingStoreBuffered\n"
513 " defer:NO]);\n"
514 "}");
515 verifyFormat("[contentsContainer replaceSubview:[subviews objectAtIndex:0]\n"
516 " with:contentsNativeView];");
517
518 verifyFormat(
519 "[pboard addTypes:[NSArray arrayWithObject:kBookmarkButtonDragType]\n"
520 " owner:nillllll];");
521
522 verifyFormat(
523 "[pboard setData:[NSData dataWithBytes:&button length:sizeof(button)]\n"
524 " forType:kBookmarkButtonDragType];");
525
526 verifyFormat("[defaultCenter addObserver:self\n"
527 " selector:@selector(willEnterFullscreen)\n"
528 " name:kWillEnterFullscreenNotification\n"
529 " object:nil];");
530 verifyFormat("[image_rep drawInRect:drawRect\n"
531 " fromRect:NSZeroRect\n"
532 " operation:NSCompositeCopy\n"
533 " fraction:1.0\n"
534 " respectFlipped:NO\n"
535 " hints:nil];");
536 verifyFormat("[aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\n"
537 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa];");
538 verifyFormat("[aaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaa)\n"
539 " aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa];");
540 verifyFormat("[aaaaaaaaaaaaaaaaaaaaaaa.aaaaaaaa[aaaaaaaaaaaaaaaaaaaaa]\n"
541 " aaaaaaaaaaaaaaaaaaaaaa];");
542
543 verifyFormat(
544 "scoped_nsobject<NSTextField> message(\n"
545 " // The frame will be fixed up when |-setMessageText:| is called.\n"
546 " [[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 0, 0)]);");
547 verifyFormat("[self aaaaaa:bbbbbbbbbbbbb\n"
548 " aaaaaaaaaa:bbbbbbbbbbbbbbbbb\n"
549 " aaaaa:bbbbbbbbbbb + bbbbbbbbbbbb\n"
550 " aaaa:bbb];");
551 verifyFormat("[self param:function( //\n"
552 " parameter)]");
553 verifyFormat(
554 "[self aaaaaaaaaa:aaaaaaaaaaaaaaa | aaaaaaaaaaaaaaa | aaaaaaaaaaaaaaa |\n"
555 " aaaaaaaaaaaaaaa | aaaaaaaaaaaaaaa | aaaaaaaaaaaaaaa |\n"
556 " aaaaaaaaaaaaaaa | aaaaaaaaaaaaaaa];");
557
558 // Variadic parameters.
559 verifyFormat(
560 "NSArray *myStrings = [NSArray stringarray:@\"a\", @\"b\", nil];");
561 verifyFormat(
562 "[self aaaaaaaaaaaaa:aaaaaaaaaaaaaaa, aaaaaaaaaaaaaaa, aaaaaaaaaaaaaaa,\n"
563 " aaaaaaaaaaaaaaa, aaaaaaaaaaaaaaa, aaaaaaaaaaaaaaa,\n"
564 " aaaaaaaaaaaaaaa, aaaaaaaaaaaaaaa];");
565 verifyFormat("[self // break\n"
566 " a:a\n"
567 " aaa:aaa];");
568 verifyFormat("bool a = ([aaaaaaaa aaaaa] == aaaaaaaaaaaaaaaaa ||\n"
569 " [aaaaaaaa aaaaa] == aaaaaaaaaaaaaaaaaaaa);");
570
571 // Formats pair-parameters.
572 verifyFormat("[I drawRectOn:surface ofSize:aa:bbb atOrigin:cc:dd];");
573 verifyFormat("[I drawRectOn:surface //\n"
574 " ofSize:aa:bbb\n"
575 " atOrigin:cc:dd];");
576
577 Style.ColumnLimit = 70;
578 verifyFormat(
579 "void f() {\n"
580 " popup_wdow_.reset([[RenderWidgetPopupWindow alloc]\n"
581 " iniithContentRect:NSMakRet(origin_global.x, origin_global.y,\n"
582 " pos.width(), pos.height())\n"
583 " syeMask:NSBorderlessWindowMask\n"
584 " bking:NSBackingStoreBuffered\n"
585 " der:NO]);\n"
586 "}");
587
588 Style.ColumnLimit = 60;
589 verifyFormat("[call aaaaaaaa.aaaaaa.aaaaaaaa.aaaaaaaa.aaaaaaaa.aaaaaaaa\n"
590 " .aaaaaaaa];"); // FIXME: Indentation seems off.
591 // FIXME: This violates the column limit.
592 verifyFormat(
593 "[aaaaaaaaaaaaaaaaaaaaaaaaa\n"
594 " aaaaaaaaaaaaaaaaa:aaaaaaaa\n"
595 " aaa:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa];");
596
597 Style = getChromiumStyle(FormatStyle::LK_ObjC);
598 Style.ColumnLimit = 80;
599 verifyFormat(
600 "void f() {\n"
601 " popup_window_.reset([[RenderWidgetPopupWindow alloc]\n"
602 " initWithContentRect:NSMakeRect(origin_global.x, origin_global.y,\n"
603 " pos.width(), pos.height())\n"
604 " styleMask:NSBorderlessWindowMask\n"
605 " backing:NSBackingStoreBuffered\n"
606 " defer:NO]);\n"
607 "}");
608}
609
610TEST_F(FormatTestObjC, ObjCAt) {
611 verifyFormat("@autoreleasepool");
612 verifyFormat("@catch");
613 verifyFormat("@class");
614 verifyFormat("@compatibility_alias");
615 verifyFormat("@defs");
616 verifyFormat("@dynamic");
617 verifyFormat("@encode");
618 verifyFormat("@end");
619 verifyFormat("@finally");
620 verifyFormat("@implementation");
621 verifyFormat("@import");
622 verifyFormat("@interface");
623 verifyFormat("@optional");
624 verifyFormat("@package");
625 verifyFormat("@private");
626 verifyFormat("@property");
627 verifyFormat("@protected");
628 verifyFormat("@protocol");
629 verifyFormat("@public");
630 verifyFormat("@required");
631 verifyFormat("@selector");
632 verifyFormat("@synchronized");
633 verifyFormat("@synthesize");
634 verifyFormat("@throw");
635 verifyFormat("@try");
636
637 EXPECT_EQ("@interface", format("@ interface"));
638
639 // The precise formatting of this doesn't matter, nobody writes code like
640 // this.
641 verifyFormat("@ /*foo*/ interface");
642}
643
644TEST_F(FormatTestObjC, ObjCSnippets) {
645 verifyFormat("@autoreleasepool {\n"
646 " foo();\n"
647 "}");
648 verifyFormat("@class Foo, Bar;");
649 verifyFormat("@compatibility_alias AliasName ExistingClass;");
650 verifyFormat("@dynamic textColor;");
651 verifyFormat("char *buf1 = @encode(int *);");
652 verifyFormat("char *buf1 = @encode(typeof(4 * 5));");
653 verifyFormat("char *buf1 = @encode(int **);");
654 verifyFormat("Protocol *proto = @protocol(p1);");
655 verifyFormat("SEL s = @selector(foo:);");
656 verifyFormat("@synchronized(self) {\n"
657 " f();\n"
658 "}");
659
660 verifyFormat("@import foo.bar;\n"
661 "@import baz;");
662
663 verifyFormat("@synthesize dropArrowPosition = dropArrowPosition_;");
664
665 verifyFormat("@property(assign, nonatomic) CGFloat hoverAlpha;");
666 verifyFormat("@property(assign, getter=isEditable) BOOL editable;");
667
668 Style = getMozillaStyle();
669 verifyFormat("@property (assign, getter=isEditable) BOOL editable;");
670 verifyFormat("@property BOOL editable;");
671
672 Style = getWebKitStyle();
673 verifyFormat("@property (assign, getter=isEditable) BOOL editable;");
674 verifyFormat("@property BOOL editable;");
675
676 Style = getGoogleStyle(FormatStyle::LK_ObjC);
677 verifyFormat("@synthesize dropArrowPosition = dropArrowPosition_;");
678 verifyFormat("@property(assign, getter=isEditable) BOOL editable;");
679}
680
681TEST_F(FormatTestObjC, ObjCForIn) {
682 verifyFormat("- (void)test {\n"
683 " for (NSString *n in arrayOfStrings) {\n"
684 " foo(n);\n"
685 " }\n"
686 "}");
687 verifyFormat("- (void)test {\n"
688 " for (NSString *n in (__bridge NSArray *)arrayOfStrings) {\n"
689 " foo(n);\n"
690 " }\n"
691 "}");
692}
693
694TEST_F(FormatTestObjC, ObjCLiterals) {
695 verifyFormat("@\"String\"");
696 verifyFormat("@1");
697 verifyFormat("@+4.8");
698 verifyFormat("@-4");
699 verifyFormat("@1LL");
700 verifyFormat("@.5");
701 verifyFormat("@'c'");
702 verifyFormat("@true");
703
704 verifyFormat("NSNumber *smallestInt = @(-INT_MAX - 1);");
705 verifyFormat("NSNumber *piOverTwo = @(M_PI / 2);");
706 verifyFormat("NSNumber *favoriteColor = @(Green);");
707 verifyFormat("NSString *path = @(getenv(\"PATH\"));");
708
709 verifyFormat("[dictionary setObject:@(1) forKey:@\"number\"];");
710}
711
712TEST_F(FormatTestObjC, ObjCDictLiterals) {
713 verifyFormat("@{");
714 verifyFormat("@{}");
715 verifyFormat("@{@\"one\" : @1}");
716 verifyFormat("return @{@\"one\" : @1;");
717 verifyFormat("@{@\"one\" : @1}");
718
719 verifyFormat("@{@\"one\" : @{@2 : @1}}");
720 verifyFormat("@{\n"
721 " @\"one\" : @{@2 : @1},\n"
722 "}");
723
724 verifyFormat("@{1 > 2 ? @\"one\" : @\"two\" : 1 > 2 ? @1 : @2}");
725 verifyIncompleteFormat("[self setDict:@{}");
726 verifyIncompleteFormat("[self setDict:@{@1 : @2}");
727 verifyFormat("NSLog(@\"%@\", @{@1 : @2, @2 : @3}[@1]);");
728 verifyFormat(
729 "NSDictionary *masses = @{@\"H\" : @1.0078, @\"He\" : @4.0026};");
730 verifyFormat(
731 "NSDictionary *settings = @{AVEncoderKey : @(AVAudioQualityMax)};");
732
733 verifyFormat("NSDictionary *d = @{\n"
734 " @\"nam\" : NSUserNam(),\n"
735 " @\"dte\" : [NSDate date],\n"
736 " @\"processInfo\" : [NSProcessInfo processInfo]\n"
737 "};");
738 verifyFormat(
739 "@{\n"
740 " NSFontAttributeNameeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee : "
741 "regularFont,\n"
742 "};");
743 verifyFormat(
744 "@{\n"
745 " NSFontAttributeNameeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee :\n"
746 " reeeeeeeeeeeeeeeeeeeeeeeegularFont,\n"
747 "};");
748
749 // We should try to be robust in case someone forgets the "@".
750 verifyFormat("NSDictionary *d = {\n"
751 " @\"nam\" : NSUserNam(),\n"
752 " @\"dte\" : [NSDate date],\n"
753 " @\"processInfo\" : [NSProcessInfo processInfo]\n"
754 "};");
755 verifyFormat("NSMutableDictionary *dictionary =\n"
756 " [NSMutableDictionary dictionaryWithDictionary:@{\n"
757 " aaaaaaaaaaaaaaaaaaaaa : aaaaaaaaaaaaa,\n"
758 " bbbbbbbbbbbbbbbbbb : bbbbb,\n"
759 " cccccccccccccccc : ccccccccccccccc\n"
760 " }];");
761
762 // Ensure that casts before the key are kept on the same line as the key.
763 verifyFormat(
764 "NSDictionary *d = @{\n"
765 " (aaaaaaaa id)aaaaaaaaa : (aaaaaaaa id)aaaaaaaaaaaaaaaaaaaaaaaa,\n"
766 " (aaaaaaaa id)aaaaaaaaaaaaaa : (aaaaaaaa id)aaaaaaaaaaaaaa,\n"
767 "};");
768
769 Style = getGoogleStyle(FormatStyle::LK_ObjC);
770 verifyFormat(
771 "@{\n"
772 " NSFontAttributeNameeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee : "
773 "regularFont,\n"
774 "};");
775}
776
777TEST_F(FormatTestObjC, ObjCArrayLiterals) {
778 verifyIncompleteFormat("@[");
779 verifyFormat("@[]");
780 verifyFormat(
781 "NSArray *array = @[ @\" Hey \", NSApp, [NSNumber numberWithInt:42] ];");
782 verifyFormat("return @[ @3, @[], @[ @4, @5 ] ];");
783 verifyFormat("NSArray *array = @[ [foo description] ];");
784
785 verifyFormat(
786 "NSArray *some_variable = @[\n"
787 " aaaa == bbbbbbbbbbb ? @\"aaaaaaaaaaaa\" : @\"aaaaaaaaaaaaaa\",\n"
788 " @\"aaaaaaaaaaaaaaaaa\",\n"
789 " @\"aaaaaaaaaaaaaaaaa\",\n"
790 " @\"aaaaaaaaaaaaaaaaa\",\n"
791 "];");
792 verifyFormat(
793 "NSArray *some_variable = @[\n"
794 " aaaa == bbbbbbbbbbb ? @\"aaaaaaaaaaaa\" : @\"aaaaaaaaaaaaaa\",\n"
795 " @\"aaaaaaaaaaaaaaaa\", @\"aaaaaaaaaaaaaaaa\", @\"aaaaaaaaaaaaaaaa\"\n"
796 "];");
797 verifyFormat("NSArray *some_variable = @[\n"
798 " @\"aaaaaaaaaaaaaaaaa\",\n"
799 " @\"aaaaaaaaaaaaaaaaa\",\n"
800 " @\"aaaaaaaaaaaaaaaaa\",\n"
801 " @\"aaaaaaaaaaaaaaaaa\",\n"
802 "];");
803 verifyFormat("NSArray *array = @[\n"
804 " @\"a\",\n"
805 " @\"a\",\n" // Trailing comma -> one per line.
806 "];");
807
808 // We should try to be robust in case someone forgets the "@".
809 verifyFormat("NSArray *some_variable = [\n"
810 " @\"aaaaaaaaaaaaaaaaa\",\n"
811 " @\"aaaaaaaaaaaaaaaaa\",\n"
812 " @\"aaaaaaaaaaaaaaaaa\",\n"
813 " @\"aaaaaaaaaaaaaaaaa\",\n"
814 "];");
815 verifyFormat(
816 "- (NSAttributedString *)attributedStringForSegment:(NSUInteger)segment\n"
817 " index:(NSUInteger)index\n"
818 " nonDigitAttributes:\n"
819 " (NSDictionary *)noDigitAttributes;");
820 verifyFormat("[someFunction someLooooooooooooongParameter:@[\n"
821 " NSBundle.mainBundle.infoDictionary[@\"a\"]\n"
822 "]];");
823}
824} // end namespace
825} // end namespace format
826} // end namespace clang