diff options
Diffstat (limited to 'unittests/AST/ASTTypeTraitsTest.cpp')
| -rw-r--r-- | unittests/AST/ASTTypeTraitsTest.cpp | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/unittests/AST/ASTTypeTraitsTest.cpp b/unittests/AST/ASTTypeTraitsTest.cpp index 0e73f76..eeb01cc 100644 --- a/unittests/AST/ASTTypeTraitsTest.cpp +++ b/unittests/AST/ASTTypeTraitsTest.cpp @@ -26,6 +26,12 @@ 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>())); @@ -60,6 +66,39 @@ TEST(ASTNodeKind, DiffBase) { 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) { |
