llvm-project/clang/unittests/AST/ASTImporterObjCTest.cpp

90 lines
3.4 KiB
C++

//===- unittest/AST/ASTImporterObjCTest.cpp -============================--===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Tests for the correct import of AST nodes related to Objective-C and
// Objective-C++.
//
//===----------------------------------------------------------------------===//
#include "clang/AST/DeclContextInternals.h"
#include "clang/ASTMatchers/ASTMatchers.h"
#include "gtest/gtest.h"
#include "ASTImporterFixtures.h"
using namespace clang::ast_matchers;
using namespace clang;
namespace {
struct ImportObjCDecl : ASTImporterOptionSpecificTestBase {};
} // namespace
TEST_P(ImportObjCDecl, ImplicitlyDeclareSelf) {
Decl *FromTU = getTuDecl(R"(
__attribute__((objc_root_class))
@interface Root
@end
@interface C : Root
-(void)method;
@end
@implementation C
-(void)method {}
@end
)",
Lang_OBJCXX, "input.mm");
auto *FromMethod = LastDeclMatcher<ObjCMethodDecl>().match(
FromTU, namedDecl(hasName("method")));
ASSERT_TRUE(FromMethod);
auto ToMethod = Import(FromMethod, Lang_OBJCXX);
ASSERT_TRUE(ToMethod);
// Both methods should have their implicit parameters.
EXPECT_TRUE(FromMethod->getSelfDecl() != nullptr);
EXPECT_TRUE(ToMethod->getSelfDecl() != nullptr);
}
TEST_P(ImportObjCDecl, ObjPropertyNameConflict) {
// Tests that properties that share the same name are correctly imported.
// This is only possible with one instance and one class property.
Decl *FromTU = getTuDecl(R"(
@interface DupProp{}
@property (class) int prop;
@property int prop;
@end
)",
Lang_OBJCXX, "input.mm");
auto *FromClass = FirstDeclMatcher<ObjCInterfaceDecl>().match(
FromTU, namedDecl(hasName("DupProp")));
auto ToClass = Import(FromClass, Lang_OBJCXX);
ASSERT_TRUE(ToClass);
// We should have one class and one instance property.
ASSERT_EQ(
1, std::distance(ToClass->classprop_begin(), ToClass->classprop_end()));
ASSERT_EQ(1,
std::distance(ToClass->instprop_begin(), ToClass->instprop_end()));
for (clang::ObjCPropertyDecl *prop : ToClass->properties()) {
// All properties should have a getter and a setter.
ASSERT_TRUE(prop->getGetterMethodDecl());
ASSERT_TRUE(prop->getSetterMethodDecl());
// The getters/setters should be able to find the right associated property.
ASSERT_EQ(prop->getGetterMethodDecl()->findPropertyDecl(), prop);
ASSERT_EQ(prop->getSetterMethodDecl()->findPropertyDecl(), prop);
}
}
static const auto ObjCTestArrayForRunOptions =
std::array<std::vector<std::string>, 2>{
{std::vector<std::string>{"-fno-objc-arc"},
std::vector<std::string>{"-fobjc-arc"}}};
const auto ObjCTestValuesForRunOptions =
::testing::ValuesIn(ObjCTestArrayForRunOptions);
INSTANTIATE_TEST_SUITE_P(ParameterizedTests, ImportObjCDecl,
ObjCTestValuesForRunOptions);