Manuel Klimek | f7f295f | 2013-05-14 09:13:00 +0000 | [diff] [blame^] | 1 | //===- unittest/ASTMatchers/Dynamic/RegistryTest.cpp - Registry 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 <vector> |
| 11 | |
| 12 | #include "../ASTMatchersTest.h" |
| 13 | #include "clang/ASTMatchers/Dynamic/Registry.h" |
| 14 | #include "gtest/gtest.h" |
| 15 | |
| 16 | namespace clang { |
| 17 | namespace ast_matchers { |
| 18 | namespace dynamic { |
| 19 | namespace { |
| 20 | |
| 21 | using ast_matchers::internal::Matcher; |
| 22 | |
| 23 | DynTypedMatcher *constructMatcher(StringRef MatcherName, Diagnostics *Error) { |
| 24 | const std::vector<ParserValue> Args; |
| 25 | return Registry::constructMatcher(MatcherName, SourceRange(), Args, Error); |
| 26 | } |
| 27 | |
| 28 | DynTypedMatcher *constructMatcher(StringRef MatcherName, |
| 29 | const VariantValue &Arg1, |
| 30 | Diagnostics *Error) { |
| 31 | std::vector<ParserValue> Args(1); |
| 32 | Args[0].Value = Arg1; |
| 33 | return Registry::constructMatcher(MatcherName, SourceRange(), Args, Error); |
| 34 | } |
| 35 | |
| 36 | DynTypedMatcher *constructMatcher(StringRef MatcherName, |
| 37 | const VariantValue &Arg1, |
| 38 | const VariantValue &Arg2, |
| 39 | Diagnostics *Error) { |
| 40 | std::vector<ParserValue> Args(2); |
| 41 | Args[0].Value = Arg1; |
| 42 | Args[1].Value = Arg2; |
| 43 | return Registry::constructMatcher(MatcherName, SourceRange(), Args, Error); |
| 44 | } |
| 45 | |
| 46 | TEST(RegistryTest, CanConstructNoArgs) { |
| 47 | OwningPtr<DynTypedMatcher> IsArrowValue(constructMatcher("isArrow", NULL)); |
| 48 | OwningPtr<DynTypedMatcher> BoolValue(constructMatcher("boolLiteral", NULL)); |
| 49 | |
| 50 | const std::string ClassSnippet = "struct Foo { int x; };\n" |
| 51 | "Foo *foo = new Foo;\n" |
| 52 | "int i = foo->x;\n"; |
| 53 | const std::string BoolSnippet = "bool Foo = true;\n"; |
| 54 | |
| 55 | EXPECT_TRUE(matchesDynamic(ClassSnippet, *IsArrowValue)); |
| 56 | EXPECT_TRUE(matchesDynamic(BoolSnippet, *BoolValue)); |
| 57 | EXPECT_FALSE(matchesDynamic(ClassSnippet, *BoolValue)); |
| 58 | EXPECT_FALSE(matchesDynamic(BoolSnippet, *IsArrowValue)); |
| 59 | } |
| 60 | |
| 61 | TEST(RegistryTest, ConstructWithSimpleArgs) { |
| 62 | OwningPtr<DynTypedMatcher> Value( |
| 63 | constructMatcher("hasName", std::string("X"), NULL)); |
| 64 | EXPECT_TRUE(matchesDynamic("class X {};", *Value)); |
| 65 | EXPECT_FALSE(matchesDynamic("int x;", *Value)); |
| 66 | } |
| 67 | |
| 68 | TEST(RegistryTest, ConstructWithMatcherArgs) { |
| 69 | OwningPtr<DynTypedMatcher> HasInitializerSimple( |
| 70 | constructMatcher("hasInitializer", stmt(), NULL)); |
| 71 | OwningPtr<DynTypedMatcher> HasInitializerComplex( |
| 72 | constructMatcher("hasInitializer", callExpr(), NULL)); |
| 73 | |
| 74 | std::string code = "int i;"; |
| 75 | EXPECT_FALSE(matchesDynamic(code, *HasInitializerSimple)); |
| 76 | EXPECT_FALSE(matchesDynamic(code, *HasInitializerComplex)); |
| 77 | |
| 78 | code = "int i = 1;"; |
| 79 | EXPECT_TRUE(matchesDynamic(code, *HasInitializerSimple)); |
| 80 | EXPECT_FALSE(matchesDynamic(code, *HasInitializerComplex)); |
| 81 | |
| 82 | code = "int y(); int i = y();"; |
| 83 | EXPECT_TRUE(matchesDynamic(code, *HasInitializerSimple)); |
| 84 | EXPECT_TRUE(matchesDynamic(code, *HasInitializerComplex)); |
| 85 | } |
| 86 | |
| 87 | TEST(RegistryTest, Errors) { |
| 88 | // Incorrect argument count. |
| 89 | OwningPtr<Diagnostics> Error(new Diagnostics()); |
| 90 | EXPECT_TRUE(NULL == constructMatcher("hasInitializer", Error.get())); |
| 91 | EXPECT_EQ("Incorrect argument count. (Expected = 1) != (Actual = 0)", |
| 92 | Error->ToString()); |
| 93 | Error.reset(new Diagnostics()); |
| 94 | EXPECT_TRUE(NULL == constructMatcher("isArrow", std::string(), Error.get())); |
| 95 | EXPECT_EQ("Incorrect argument count. (Expected = 0) != (Actual = 1)", |
| 96 | Error->ToString()); |
| 97 | |
| 98 | // Bad argument type |
| 99 | Error.reset(new Diagnostics()); |
| 100 | EXPECT_TRUE(NULL == constructMatcher("ofClass", std::string(), Error.get())); |
| 101 | EXPECT_EQ("Incorrect type on function ofClass for arg 1.", Error->ToString()); |
| 102 | Error.reset(new Diagnostics()); |
| 103 | EXPECT_TRUE(NULL == constructMatcher("recordDecl", recordDecl(), |
| 104 | ::std::string(), Error.get())); |
| 105 | EXPECT_EQ("Incorrect type on function recordDecl for arg 2.", |
| 106 | Error->ToString()); |
| 107 | } |
| 108 | |
| 109 | } // end anonymous namespace |
| 110 | } // end namespace dynamic |
| 111 | } // end namespace ast_matchers |
| 112 | } // end namespace clang |