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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/heap/persistent.h"
#include <memory>
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/platform/heap/cross_thread_persistent.h"
#include "third_party/blink/renderer/platform/heap/garbage_collected.h"
#include "third_party/blink/renderer/platform/heap/heap_test_utilities.h"
#include "third_party/blink/renderer/platform/wtf/cross_thread_functional.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
namespace blink {
class PersistentTest : public TestSupportingGC {};
namespace {
class Receiver : public GarbageCollected<Receiver> {
public:
void Increment(int* counter) { ++*counter; }
void Trace(Visitor* visitor) const {}
};
TEST_F(PersistentTest, BindCancellation) {
Receiver* receiver = MakeGarbageCollected<Receiver>();
int counter = 0;
base::RepeatingClosure function = BindRepeating(
&Receiver::Increment, WrapWeakPersistent(receiver), Unretained(&counter));
function.Run();
EXPECT_EQ(1, counter);
receiver = nullptr;
PreciselyCollectGarbage();
function.Run();
EXPECT_EQ(1, counter);
}
TEST_F(PersistentTest, CrossThreadBindCancellation) {
Receiver* receiver = MakeGarbageCollected<Receiver>();
int counter = 0;
CrossThreadOnceClosure function = CrossThreadBindOnce(
&Receiver::Increment, WrapCrossThreadWeakPersistent(receiver),
CrossThreadUnretained(&counter));
receiver = nullptr;
PreciselyCollectGarbage();
std::move(function).Run();
EXPECT_EQ(0, counter);
}
} // namespace
} // namespace blink
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