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//===- unittest/AST/ASTContextParentMapTest.cpp - AST parent map test -----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Tests for the getParents(...) methods of ASTContext.
//
//===----------------------------------------------------------------------===//
#include "clang/AST/ASTContext.h"
#include "MatchVerifier.h"
#include "clang/ASTMatchers/ASTMatchFinder.h"
#include "clang/ASTMatchers/ASTMatchers.h"
#include "clang/Tooling/Tooling.h"
#include "gtest/gtest.h"
namespace clang {
namespace ast_matchers {
using clang::tooling::newFrontendActionFactory;
using clang::tooling::runToolOnCodeWithArgs;
using clang::tooling::FrontendActionFactory;
TEST(GetParents, ReturnsParentForDecl) {
MatchVerifier<Decl> Verifier;
EXPECT_TRUE(Verifier.match("class C { void f(); };",
methodDecl(hasParent(recordDecl(hasName("C"))))));
}
TEST(GetParents, ReturnsParentForStmt) {
MatchVerifier<Stmt> Verifier;
EXPECT_TRUE(Verifier.match("class C { void f() { if (true) {} } };",
ifStmt(hasParent(compoundStmt()))));
}
TEST(GetParents, ReturnsParentInsideTemplateInstantiations) {
MatchVerifier<Decl> DeclVerifier;
EXPECT_TRUE(DeclVerifier.match(
"template<typename T> struct C { void f() {} };"
"void g() { C<int> c; c.f(); }",
methodDecl(hasName("f"),
hasParent(recordDecl(isTemplateInstantiation())))));
EXPECT_TRUE(DeclVerifier.match(
"template<typename T> struct C { void f() {} };"
"void g() { C<int> c; c.f(); }",
methodDecl(hasName("f"),
hasParent(recordDecl(unless(isTemplateInstantiation()))))));
EXPECT_FALSE(DeclVerifier.match(
"template<typename T> struct C { void f() {} };"
"void g() { C<int> c; c.f(); }",
methodDecl(hasName("f"),
allOf(hasParent(recordDecl(unless(isTemplateInstantiation()))),
hasParent(recordDecl(isTemplateInstantiation()))))));
}
TEST(GetParents, ReturnsMultipleParentsInTemplateInstantiations) {
MatchVerifier<Stmt> TemplateVerifier;
EXPECT_TRUE(TemplateVerifier.match(
"template<typename T> struct C { void f() {} };"
"void g() { C<int> c; c.f(); }",
compoundStmt(
allOf(hasAncestor(recordDecl(isTemplateInstantiation())),
hasAncestor(recordDecl(unless(isTemplateInstantiation())))))));
}
} // end namespace ast_matchers
} // end namespace clang
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