1 //===- unittest/AST/ASTTypeTraits.cpp - AST type traits unit tests ------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===--------------------------------------------------------------------===//
11 #include "clang/AST/ASTTypeTraits.h"
12 #include "gtest/gtest.h"
13 #include "MatchVerifier.h"
15 using namespace clang::ast_matchers;
18 namespace ast_type_traits {
20 TEST(ASTNodeKind, NoKind) {
21 EXPECT_FALSE(ASTNodeKind().isBaseOf(ASTNodeKind()));
22 EXPECT_FALSE(ASTNodeKind().isSame(ASTNodeKind()));
25 template <typename T> static ASTNodeKind DNT() {
26 return ASTNodeKind::getFromNodeKind<T>();
29 TEST(ASTNodeKind, Bases) {
30 EXPECT_TRUE(DNT<Decl>().isBaseOf(DNT<VarDecl>()));
31 EXPECT_FALSE(DNT<Decl>().isSame(DNT<VarDecl>()));
32 EXPECT_FALSE(DNT<VarDecl>().isBaseOf(DNT<Decl>()));
34 EXPECT_TRUE(DNT<Decl>().isSame(DNT<Decl>()));
37 TEST(ASTNodeKind, SameBase) {
38 EXPECT_TRUE(DNT<Expr>().isBaseOf(DNT<CallExpr>()));
39 EXPECT_TRUE(DNT<Expr>().isBaseOf(DNT<BinaryOperator>()));
40 EXPECT_FALSE(DNT<CallExpr>().isBaseOf(DNT<BinaryOperator>()));
41 EXPECT_FALSE(DNT<BinaryOperator>().isBaseOf(DNT<CallExpr>()));
44 TEST(ASTNodeKind, DiffBase) {
45 EXPECT_FALSE(DNT<Expr>().isBaseOf(DNT<ArrayType>()));
46 EXPECT_FALSE(DNT<QualType>().isBaseOf(DNT<FunctionDecl>()));
47 EXPECT_FALSE(DNT<Type>().isSame(DNT<QualType>()));
52 TEST(ASTNodeKind, UnknownKind) {
53 // We can construct one, but it is nowhere in the hierarchy.
54 EXPECT_FALSE(DNT<Foo>().isSame(DNT<Foo>()));
57 TEST(ASTNodeKind, Name) {
58 EXPECT_EQ("Decl", DNT<Decl>().asStringRef());
59 EXPECT_EQ("CallExpr", DNT<CallExpr>().asStringRef());
60 EXPECT_EQ("ConstantArrayType", DNT<ConstantArrayType>().asStringRef());
61 EXPECT_EQ("<None>", ASTNodeKind().asStringRef());
64 TEST(DynTypedNode, DeclSourceRange) {
65 RangeVerifier<DynTypedNode> Verifier;
66 Verifier.expectRange(1, 1, 1, 11);
67 EXPECT_TRUE(Verifier.match("void f() {}", decl()));
70 TEST(DynTypedNode, StmtSourceRange) {
71 RangeVerifier<DynTypedNode> Verifier;
72 Verifier.expectRange(1, 10, 1, 11);
73 EXPECT_TRUE(Verifier.match("void f() {}", stmt()));
76 TEST(DynTypedNode, TypeLocSourceRange) {
77 RangeVerifier<DynTypedNode> Verifier;
78 Verifier.expectRange(1, 1, 1, 8);
79 EXPECT_TRUE(Verifier.match("void f() {}", typeLoc(loc(functionType()))));
82 TEST(DynTypedNode, NNSLocSourceRange) {
83 RangeVerifier<DynTypedNode> Verifier;
84 Verifier.expectRange(1, 33, 1, 34);
85 EXPECT_TRUE(Verifier.match("namespace N { typedef void T; } N::T f() {}",
86 nestedNameSpecifierLoc()));
89 TEST(DynTypedNode, DeclDump) {
90 DumpVerifier Verifier;
91 Verifier.expectSubstring("FunctionDecl");
92 EXPECT_TRUE(Verifier.match("void f() {}", functionDecl()));
95 TEST(DynTypedNode, StmtDump) {
96 DumpVerifier Verifier;
97 Verifier.expectSubstring("CompoundStmt");
98 EXPECT_TRUE(Verifier.match("void f() {}", stmt()));
101 TEST(DynTypedNode, DeclPrint) {
102 PrintVerifier Verifier;
103 Verifier.expectString("void f() {\n}\n\n");
104 EXPECT_TRUE(Verifier.match("void f() {}", functionDecl()));
107 TEST(DynTypedNode, StmtPrint) {
108 PrintVerifier Verifier;
109 Verifier.expectString("{\n}\n");
110 EXPECT_TRUE(Verifier.match("void f() {}", stmt()));
113 } // namespace ast_type_traits