| //===- unittest/Tooling/ToolingTest.cpp - Tooling unit tests --------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "clang/AST/ASTConsumer.h" |
| #include "clang/AST/DeclCXX.h" |
| #include "clang/AST/DeclGroup.h" |
| #include "clang/Frontend/FrontendAction.h" |
| #include "clang/Frontend/FrontendActions.h" |
| #include "clang/Tooling/CompilationDatabase.h" |
| #include "clang/Tooling/Tooling.h" |
| #include "gtest/gtest.h" |
| #include <string> |
| |
| namespace clang { |
| namespace tooling { |
| |
| namespace { |
| /// Takes an ast consumer and returns it from CreateASTConsumer. This only |
| /// works with single translation unit compilations. |
| class TestAction : public clang::ASTFrontendAction { |
| public: |
| /// Takes ownership of TestConsumer. |
| explicit TestAction(clang::ASTConsumer *TestConsumer) |
| : TestConsumer(TestConsumer) {} |
| |
| protected: |
| virtual clang::ASTConsumer* CreateASTConsumer( |
| clang::CompilerInstance& compiler, StringRef dummy) { |
| /// TestConsumer will be deleted by the framework calling us. |
| return TestConsumer; |
| } |
| |
| private: |
| clang::ASTConsumer * const TestConsumer; |
| }; |
| |
| class FindTopLevelDeclConsumer : public clang::ASTConsumer { |
| public: |
| explicit FindTopLevelDeclConsumer(bool *FoundTopLevelDecl) |
| : FoundTopLevelDecl(FoundTopLevelDecl) {} |
| virtual bool HandleTopLevelDecl(clang::DeclGroupRef DeclGroup) { |
| *FoundTopLevelDecl = true; |
| return true; |
| } |
| private: |
| bool * const FoundTopLevelDecl; |
| }; |
| } // end namespace |
| |
| TEST(runToolOnCode, FindsTopLevelDeclOnEmptyCode) { |
| bool FoundTopLevelDecl = false; |
| EXPECT_TRUE(runToolOnCode( |
| new TestAction(new FindTopLevelDeclConsumer(&FoundTopLevelDecl)), "")); |
| EXPECT_TRUE(FoundTopLevelDecl); |
| } |
| |
| namespace { |
| class FindClassDeclXConsumer : public clang::ASTConsumer { |
| public: |
| FindClassDeclXConsumer(bool *FoundClassDeclX) |
| : FoundClassDeclX(FoundClassDeclX) {} |
| virtual bool HandleTopLevelDecl(clang::DeclGroupRef GroupRef) { |
| if (CXXRecordDecl* Record = dyn_cast<clang::CXXRecordDecl>( |
| *GroupRef.begin())) { |
| if (Record->getName() == "X") { |
| *FoundClassDeclX = true; |
| } |
| } |
| return true; |
| } |
| private: |
| bool *FoundClassDeclX; |
| }; |
| } // end namespace |
| |
| TEST(runToolOnCode, FindsClassDecl) { |
| bool FoundClassDeclX = false; |
| EXPECT_TRUE(runToolOnCode(new TestAction( |
| new FindClassDeclXConsumer(&FoundClassDeclX)), "class X;")); |
| EXPECT_TRUE(FoundClassDeclX); |
| |
| FoundClassDeclX = false; |
| EXPECT_TRUE(runToolOnCode(new TestAction( |
| new FindClassDeclXConsumer(&FoundClassDeclX)), "class Y;")); |
| EXPECT_FALSE(FoundClassDeclX); |
| } |
| |
| TEST(newFrontendActionFactory, CreatesFrontendActionFactoryFromType) { |
| llvm::OwningPtr<FrontendActionFactory> Factory( |
| newFrontendActionFactory<SyntaxOnlyAction>()); |
| llvm::OwningPtr<FrontendAction> Action(Factory->create()); |
| EXPECT_TRUE(Action.get() != NULL); |
| } |
| |
| struct IndependentFrontendActionCreator { |
| FrontendAction *newFrontendAction() { return new SyntaxOnlyAction; } |
| }; |
| |
| TEST(newFrontendActionFactory, CreatesFrontendActionFactoryFromFactoryType) { |
| IndependentFrontendActionCreator Creator; |
| llvm::OwningPtr<FrontendActionFactory> Factory( |
| newFrontendActionFactory(&Creator)); |
| llvm::OwningPtr<FrontendAction> Action(Factory->create()); |
| EXPECT_TRUE(Action.get() != NULL); |
| } |
| |
| #ifndef LLVM_ON_WIN32 |
| // This test breaks on Windows. |
| |
| TEST(ToolInvocation, TestMapVirtualFile) { |
| clang::FileManager Files((clang::FileSystemOptions())); |
| std::vector<std::string> Args; |
| Args.push_back("tool-executable"); |
| Args.push_back("-Idef"); |
| Args.push_back("-fsyntax-only"); |
| Args.push_back("test.cpp"); |
| clang::tooling::ToolInvocation Invocation(Args, new SyntaxOnlyAction, &Files); |
| Invocation.mapVirtualFile("test.cpp", "#include <abc>\n"); |
| Invocation.mapVirtualFile("def/abc", "\n"); |
| EXPECT_TRUE(Invocation.run()); |
| } |
| |
| #endif |
| |
| } // end namespace tooling |
| } // end namespace clang |