| //===- unittest/AST/ASTTypeTraits.cpp - AST type traits 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/ASTTypeTraits.h" |
| #include "MatchVerifier.h" |
| #include "gtest/gtest.h" |
| |
| using namespace clang::ast_matchers; |
| |
| namespace clang { |
| namespace ast_type_traits { |
| |
| TEST(ASTNodeKind, NoKind) { |
| EXPECT_FALSE(ASTNodeKind().isBaseOf(ASTNodeKind())); |
| EXPECT_FALSE(ASTNodeKind().isSame(ASTNodeKind())); |
| } |
| |
| template <typename T> static ASTNodeKind DNT() { |
| return ASTNodeKind::getFromNodeKind<T>(); |
| } |
| |
| TEST(ASTNodeKind, IsNone) { |
| EXPECT_TRUE(ASTNodeKind().isNone()); |
| EXPECT_FALSE(DNT<Decl>().isNone()); |
| EXPECT_FALSE(DNT<VarDecl>().isNone()); |
| } |
| |
| TEST(ASTNodeKind, Bases) { |
| EXPECT_TRUE(DNT<Decl>().isBaseOf(DNT<VarDecl>())); |
| EXPECT_FALSE(DNT<Decl>().isSame(DNT<VarDecl>())); |
| EXPECT_FALSE(DNT<VarDecl>().isBaseOf(DNT<Decl>())); |
| |
| EXPECT_TRUE(DNT<Decl>().isSame(DNT<Decl>())); |
| } |
| |
| TEST(ASTNodeKind, BaseDistances) { |
| unsigned Distance = 1; |
| EXPECT_TRUE(DNT<Expr>().isBaseOf(DNT<Expr>(), &Distance)); |
| EXPECT_EQ(0u, Distance); |
| |
| EXPECT_TRUE(DNT<Stmt>().isBaseOf(DNT<IfStmt>(), &Distance)); |
| EXPECT_EQ(1u, Distance); |
| |
| Distance = 3; |
| EXPECT_TRUE(DNT<DeclaratorDecl>().isBaseOf(DNT<ParmVarDecl>(), &Distance)); |
| EXPECT_EQ(2u, Distance); |
| } |
| |
| TEST(ASTNodeKind, SameBase) { |
| EXPECT_TRUE(DNT<Expr>().isBaseOf(DNT<CallExpr>())); |
| EXPECT_TRUE(DNT<Expr>().isBaseOf(DNT<BinaryOperator>())); |
| EXPECT_FALSE(DNT<CallExpr>().isBaseOf(DNT<BinaryOperator>())); |
| EXPECT_FALSE(DNT<BinaryOperator>().isBaseOf(DNT<CallExpr>())); |
| } |
| |
| TEST(ASTNodeKind, DiffBase) { |
| EXPECT_FALSE(DNT<Expr>().isBaseOf(DNT<ArrayType>())); |
| EXPECT_FALSE(DNT<QualType>().isBaseOf(DNT<FunctionDecl>())); |
| EXPECT_FALSE(DNT<Type>().isSame(DNT<QualType>())); |
| } |
| |
| TEST(ASTNodeKind, MostDerivedType) { |
| EXPECT_TRUE(DNT<BinaryOperator>().isSame( |
| ASTNodeKind::getMostDerivedType(DNT<Expr>(), DNT<BinaryOperator>()))); |
| EXPECT_TRUE(DNT<BinaryOperator>().isSame( |
| ASTNodeKind::getMostDerivedType(DNT<BinaryOperator>(), DNT<Expr>()))); |
| EXPECT_TRUE(DNT<VarDecl>().isSame( |
| ASTNodeKind::getMostDerivedType(DNT<VarDecl>(), DNT<VarDecl>()))); |
| |
| // Not related. Returns nothing. |
| EXPECT_TRUE( |
| ASTNodeKind::getMostDerivedType(DNT<IfStmt>(), DNT<VarDecl>()).isNone()); |
| EXPECT_TRUE(ASTNodeKind::getMostDerivedType(DNT<IfStmt>(), |
| DNT<BinaryOperator>()).isNone()); |
| } |
| |
| TEST(ASTNodeKind, MostDerivedCommonAncestor) { |
| EXPECT_TRUE(DNT<Expr>().isSame(ASTNodeKind::getMostDerivedCommonAncestor( |
| DNT<Expr>(), DNT<BinaryOperator>()))); |
| EXPECT_TRUE(DNT<Expr>().isSame(ASTNodeKind::getMostDerivedCommonAncestor( |
| DNT<BinaryOperator>(), DNT<Expr>()))); |
| EXPECT_TRUE(DNT<VarDecl>().isSame(ASTNodeKind::getMostDerivedCommonAncestor( |
| DNT<VarDecl>(), DNT<VarDecl>()))); |
| |
| // A little related. Returns the ancestor. |
| EXPECT_TRUE( |
| DNT<NamedDecl>().isSame(ASTNodeKind::getMostDerivedCommonAncestor( |
| DNT<CXXMethodDecl>(), DNT<RecordDecl>()))); |
| |
| // Not related. Returns nothing. |
| EXPECT_TRUE(ASTNodeKind::getMostDerivedCommonAncestor( |
| DNT<IfStmt>(), DNT<VarDecl>()).isNone()); |
| } |
| |
| struct Foo {}; |
| |
| TEST(ASTNodeKind, UnknownKind) { |
| // We can construct one, but it is nowhere in the hierarchy. |
| EXPECT_FALSE(DNT<Foo>().isSame(DNT<Foo>())); |
| } |
| |
| TEST(ASTNodeKind, Name) { |
| EXPECT_EQ("<None>", ASTNodeKind().asStringRef()); |
| #define VERIFY_NAME(Node) EXPECT_EQ(#Node, DNT<Node>().asStringRef()); |
| VERIFY_NAME(TemplateArgument); |
| VERIFY_NAME(NestedNameSpecifierLoc); |
| VERIFY_NAME(QualType); |
| VERIFY_NAME(TypeLoc); |
| VERIFY_NAME(CXXCtorInitializer); |
| VERIFY_NAME(NestedNameSpecifier); |
| VERIFY_NAME(Decl); |
| VERIFY_NAME(CXXRecordDecl); |
| VERIFY_NAME(Stmt); |
| VERIFY_NAME(CallExpr); |
| VERIFY_NAME(Type); |
| VERIFY_NAME(ConstantArrayType); |
| #undef VERIFY_NAME |
| } |
| |
| TEST(DynTypedNode, DeclSourceRange) { |
| RangeVerifier<DynTypedNode> Verifier; |
| Verifier.expectRange(1, 1, 1, 11); |
| EXPECT_TRUE(Verifier.match("void f() {}", decl())); |
| } |
| |
| TEST(DynTypedNode, StmtSourceRange) { |
| RangeVerifier<DynTypedNode> Verifier; |
| Verifier.expectRange(1, 10, 1, 11); |
| EXPECT_TRUE(Verifier.match("void f() {}", stmt())); |
| } |
| |
| TEST(DynTypedNode, TypeLocSourceRange) { |
| RangeVerifier<DynTypedNode> Verifier; |
| Verifier.expectRange(1, 1, 1, 8); |
| EXPECT_TRUE(Verifier.match("void f() {}", typeLoc(loc(functionType())))); |
| } |
| |
| TEST(DynTypedNode, NNSLocSourceRange) { |
| RangeVerifier<DynTypedNode> Verifier; |
| Verifier.expectRange(1, 33, 1, 34); |
| EXPECT_TRUE(Verifier.match("namespace N { typedef void T; } N::T f() {}", |
| nestedNameSpecifierLoc())); |
| } |
| |
| TEST(DynTypedNode, DeclDump) { |
| DumpVerifier Verifier; |
| Verifier.expectSubstring("FunctionDecl"); |
| EXPECT_TRUE(Verifier.match("void f() {}", functionDecl())); |
| } |
| |
| TEST(DynTypedNode, StmtDump) { |
| DumpVerifier Verifier; |
| Verifier.expectSubstring("CompoundStmt"); |
| EXPECT_TRUE(Verifier.match("void f() {}", stmt())); |
| } |
| |
| TEST(DynTypedNode, DeclPrint) { |
| PrintVerifier Verifier; |
| Verifier.expectString("void f() {\n}\n"); |
| EXPECT_TRUE(Verifier.match("void f() {}", functionDecl())); |
| } |
| |
| TEST(DynTypedNode, StmtPrint) { |
| PrintVerifier Verifier; |
| Verifier.expectString("{\n}\n"); |
| EXPECT_TRUE(Verifier.match("void f() {}", stmt())); |
| } |
| |
| TEST(DynTypedNode, QualType) { |
| QualType Q; |
| DynTypedNode Node = DynTypedNode::create(Q); |
| EXPECT_TRUE(Node == Node); |
| EXPECT_FALSE(Node < Node); |
| } |
| |
| } // namespace ast_type_traits |
| } // namespace clang |