| //===- 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 "gtest/gtest.h" |
| |
| 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, 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, 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>())); |
| } |
| |
| 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("Decl", DNT<Decl>().asStringRef()); |
| EXPECT_EQ("CallExpr", DNT<CallExpr>().asStringRef()); |
| EXPECT_EQ("ConstantArrayType", DNT<ConstantArrayType>().asStringRef()); |
| EXPECT_EQ("<None>", ASTNodeKind().asStringRef()); |
| } |
| |
| } // namespace ast_type_traits |
| } // namespace clang |