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/*
* Copyright (C) 2011 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/platform/wtf/functional.h"
#include <utility>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/test/gtest_util.h"
#include "base/threading/thread.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/platform/wtf/cross_thread_functional.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
#include "third_party/blink/renderer/platform/wtf/leak_annotations.h"
namespace WTF {
class HasWeakPtrSupport {
public:
HasWeakPtrSupport() {}
base::WeakPtr<HasWeakPtrSupport> GetWeakPtr() {
return weak_ptr_factory_.GetWeakPtr();
}
void RevokeAll() { weak_ptr_factory_.InvalidateWeakPtrs(); }
void Increment(int* counter) { ++*counter; }
private:
base::WeakPtrFactory<HasWeakPtrSupport> weak_ptr_factory_{this};
};
} // namespace WTF
namespace WTF {
namespace {
TEST(FunctionalTest, WeakPtr) {
HasWeakPtrSupport obj;
int counter = 0;
base::RepeatingClosure bound =
WTF::BindRepeating(&HasWeakPtrSupport::Increment, obj.GetWeakPtr(),
WTF::Unretained(&counter));
bound.Run();
EXPECT_FALSE(bound.IsCancelled());
EXPECT_EQ(1, counter);
obj.RevokeAll();
EXPECT_TRUE(bound.IsCancelled());
bound.Run();
EXPECT_EQ(1, counter);
}
int PingPong(int* i_ptr) {
return *i_ptr;
}
TEST(FunctionalTest, RawPtr) {
int i = 123;
raw_ptr<int> p = &i;
auto callback = WTF::BindRepeating(PingPong, WTF::Unretained(p));
int res = callback.Run();
EXPECT_EQ(123, res);
}
void MakeClosure(base::OnceClosure** closure_out) {
*closure_out = new base::OnceClosure(WTF::BindOnce([] {}));
LEAK_SANITIZER_IGNORE_OBJECT(*closure_out);
}
TEST(FunctionalTest, ThreadRestriction) {
base::OnceClosure* closure = nullptr;
base::Thread thread("testing");
thread.Start();
thread.task_runner()->PostTask(
FROM_HERE, ConvertToBaseOnceCallback(CrossThreadBindOnce(
&MakeClosure, CrossThreadUnretained(&closure))));
thread.Stop();
ASSERT_TRUE(closure);
EXPECT_DCHECK_DEATH(std::move(*closure).Run());
EXPECT_DCHECK_DEATH(delete closure);
}
} // namespace
} // namespace WTF
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