114 lines
3.3 KiB
C++
114 lines
3.3 KiB
C++
//===- unittest/AST/ASTTypeTraits.cpp - AST type traits unit tests ------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===--------------------------------------------------------------------===//
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#include "clang/AST/ASTTypeTraits.h"
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#include "gtest/gtest.h"
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#include "MatchVerifier.h"
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using namespace clang::ast_matchers;
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namespace clang {
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namespace ast_type_traits {
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TEST(ASTNodeKind, NoKind) {
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EXPECT_FALSE(ASTNodeKind().isBaseOf(ASTNodeKind()));
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EXPECT_FALSE(ASTNodeKind().isSame(ASTNodeKind()));
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}
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template <typename T> static ASTNodeKind DNT() {
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return ASTNodeKind::getFromNodeKind<T>();
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}
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TEST(ASTNodeKind, Bases) {
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EXPECT_TRUE(DNT<Decl>().isBaseOf(DNT<VarDecl>()));
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EXPECT_FALSE(DNT<Decl>().isSame(DNT<VarDecl>()));
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EXPECT_FALSE(DNT<VarDecl>().isBaseOf(DNT<Decl>()));
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EXPECT_TRUE(DNT<Decl>().isSame(DNT<Decl>()));
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}
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TEST(ASTNodeKind, SameBase) {
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EXPECT_TRUE(DNT<Expr>().isBaseOf(DNT<CallExpr>()));
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EXPECT_TRUE(DNT<Expr>().isBaseOf(DNT<BinaryOperator>()));
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EXPECT_FALSE(DNT<CallExpr>().isBaseOf(DNT<BinaryOperator>()));
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EXPECT_FALSE(DNT<BinaryOperator>().isBaseOf(DNT<CallExpr>()));
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}
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TEST(ASTNodeKind, DiffBase) {
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EXPECT_FALSE(DNT<Expr>().isBaseOf(DNT<ArrayType>()));
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EXPECT_FALSE(DNT<QualType>().isBaseOf(DNT<FunctionDecl>()));
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EXPECT_FALSE(DNT<Type>().isSame(DNT<QualType>()));
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}
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struct Foo {};
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TEST(ASTNodeKind, UnknownKind) {
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// We can construct one, but it is nowhere in the hierarchy.
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EXPECT_FALSE(DNT<Foo>().isSame(DNT<Foo>()));
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}
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TEST(ASTNodeKind, Name) {
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EXPECT_EQ("Decl", DNT<Decl>().asStringRef());
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EXPECT_EQ("CallExpr", DNT<CallExpr>().asStringRef());
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EXPECT_EQ("ConstantArrayType", DNT<ConstantArrayType>().asStringRef());
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EXPECT_EQ("<None>", ASTNodeKind().asStringRef());
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}
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TEST(DynTypedNode, DeclSourceRange) {
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RangeVerifier<DynTypedNode> Verifier;
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Verifier.expectRange(1, 1, 1, 11);
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EXPECT_TRUE(Verifier.match("void f() {}", decl()));
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}
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TEST(DynTypedNode, StmtSourceRange) {
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RangeVerifier<DynTypedNode> Verifier;
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Verifier.expectRange(1, 10, 1, 11);
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EXPECT_TRUE(Verifier.match("void f() {}", stmt()));
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}
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TEST(DynTypedNode, TypeLocSourceRange) {
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RangeVerifier<DynTypedNode> Verifier;
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Verifier.expectRange(1, 1, 1, 8);
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EXPECT_TRUE(Verifier.match("void f() {}", typeLoc(loc(functionType()))));
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}
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TEST(DynTypedNode, NNSLocSourceRange) {
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RangeVerifier<DynTypedNode> Verifier;
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Verifier.expectRange(1, 33, 1, 34);
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EXPECT_TRUE(Verifier.match("namespace N { typedef void T; } N::T f() {}",
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nestedNameSpecifierLoc()));
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}
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TEST(DynTypedNode, DeclDump) {
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DumpVerifier Verifier;
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Verifier.expectSubstring("FunctionDecl");
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EXPECT_TRUE(Verifier.match("void f() {}", functionDecl()));
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}
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TEST(DynTypedNode, StmtDump) {
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DumpVerifier Verifier;
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Verifier.expectSubstring("CompoundStmt");
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EXPECT_TRUE(Verifier.match("void f() {}", stmt()));
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}
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TEST(DynTypedNode, DeclPrint) {
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PrintVerifier Verifier;
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Verifier.expectString("void f() {\n}\n\n");
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EXPECT_TRUE(Verifier.match("void f() {}", functionDecl()));
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}
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TEST(DynTypedNode, StmtPrint) {
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PrintVerifier Verifier;
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Verifier.expectString("{\n}\n");
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EXPECT_TRUE(Verifier.match("void f() {}", stmt()));
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}
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} // namespace ast_type_traits
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} // namespace clang
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