Manuel Klimek | cb971c6 | 2012-04-04 12:07:46 +0000 | [diff] [blame^] | 1 | //===- unittest/Tooling/ToolingTest.cpp - Tooling 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/AST/ASTConsumer.h" |
| 11 | #include "clang/AST/DeclCXX.h" |
| 12 | #include "clang/AST/DeclGroup.h" |
| 13 | #include "clang/Frontend/FrontendAction.h" |
| 14 | #include "clang/Frontend/FrontendActions.h" |
| 15 | #include "clang/Tooling/CompilationDatabase.h" |
| 16 | #include "clang/Tooling/Tooling.h" |
| 17 | #include "gtest/gtest.h" |
| 18 | |
| 19 | namespace clang { |
| 20 | namespace tooling { |
| 21 | |
| 22 | namespace { |
| 23 | /// Takes an ast consumer and returns it from CreateASTConsumer. This only |
| 24 | /// works with single translation unit compilations. |
| 25 | class TestAction : public clang::ASTFrontendAction { |
| 26 | public: |
| 27 | /// Takes ownership of TestConsumer. |
| 28 | explicit TestAction(clang::ASTConsumer *TestConsumer) |
| 29 | : TestConsumer(TestConsumer) {} |
| 30 | |
| 31 | protected: |
| 32 | virtual clang::ASTConsumer* CreateASTConsumer( |
| 33 | clang::CompilerInstance& compiler, StringRef dummy) { |
| 34 | /// TestConsumer will be deleted by the framework calling us. |
| 35 | return TestConsumer; |
| 36 | } |
| 37 | |
| 38 | private: |
| 39 | clang::ASTConsumer * const TestConsumer; |
| 40 | }; |
| 41 | |
| 42 | class FindTopLevelDeclConsumer : public clang::ASTConsumer { |
| 43 | public: |
| 44 | explicit FindTopLevelDeclConsumer(bool *FoundTopLevelDecl) |
| 45 | : FoundTopLevelDecl(FoundTopLevelDecl) {} |
| 46 | virtual bool HandleTopLevelDecl(clang::DeclGroupRef DeclGroup) { |
| 47 | *FoundTopLevelDecl = true; |
| 48 | return true; |
| 49 | } |
| 50 | private: |
| 51 | bool * const FoundTopLevelDecl; |
| 52 | }; |
| 53 | } // end namespace |
| 54 | |
| 55 | TEST(runToolOnCode, FindsTopLevelDeclOnEmptyCode) { |
| 56 | bool FoundTopLevelDecl = false; |
| 57 | EXPECT_TRUE(runToolOnCode( |
| 58 | new TestAction(new FindTopLevelDeclConsumer(&FoundTopLevelDecl)), "")); |
| 59 | EXPECT_TRUE(FoundTopLevelDecl); |
| 60 | } |
| 61 | |
| 62 | namespace { |
| 63 | class FindClassDeclXConsumer : public clang::ASTConsumer { |
| 64 | public: |
| 65 | FindClassDeclXConsumer(bool *FoundClassDeclX) |
| 66 | : FoundClassDeclX(FoundClassDeclX) {} |
| 67 | virtual bool HandleTopLevelDecl(clang::DeclGroupRef GroupRef) { |
| 68 | if (CXXRecordDecl* Record = dyn_cast<clang::CXXRecordDecl>( |
| 69 | *GroupRef.begin())) { |
| 70 | if (Record->getName() == "X") { |
| 71 | *FoundClassDeclX = true; |
| 72 | } |
| 73 | } |
| 74 | return true; |
| 75 | } |
| 76 | private: |
| 77 | bool *FoundClassDeclX; |
| 78 | }; |
| 79 | } // end namespace |
| 80 | |
| 81 | TEST(runToolOnCode, FindsClassDecl) { |
| 82 | bool FoundClassDeclX = false; |
| 83 | EXPECT_TRUE(runToolOnCode(new TestAction( |
| 84 | new FindClassDeclXConsumer(&FoundClassDeclX)), "class X;")); |
| 85 | EXPECT_TRUE(FoundClassDeclX); |
| 86 | |
| 87 | FoundClassDeclX = false; |
| 88 | EXPECT_TRUE(runToolOnCode(new TestAction( |
| 89 | new FindClassDeclXConsumer(&FoundClassDeclX)), "class Y;")); |
| 90 | EXPECT_FALSE(FoundClassDeclX); |
| 91 | } |
| 92 | |
| 93 | TEST(newFrontendActionFactory, CreatesFrontendActionFactoryFromType) { |
| 94 | llvm::OwningPtr<FrontendActionFactory> Factory( |
| 95 | newFrontendActionFactory<SyntaxOnlyAction>()); |
| 96 | llvm::OwningPtr<FrontendAction> Action(Factory->create()); |
| 97 | EXPECT_TRUE(Action.get() != NULL); |
| 98 | } |
| 99 | |
| 100 | struct IndependentFrontendActionCreator { |
| 101 | FrontendAction *newFrontendAction() { return new SyntaxOnlyAction; } |
| 102 | }; |
| 103 | |
| 104 | TEST(newFrontendActionFactory, CreatesFrontendActionFactoryFromFactoryType) { |
| 105 | IndependentFrontendActionCreator Creator; |
| 106 | llvm::OwningPtr<FrontendActionFactory> Factory( |
| 107 | newFrontendActionFactory(&Creator)); |
| 108 | llvm::OwningPtr<FrontendAction> Action(Factory->create()); |
| 109 | EXPECT_TRUE(Action.get() != NULL); |
| 110 | } |
| 111 | |
| 112 | } // end namespace tooling |
| 113 | } // end namespace clang |