blob: 0548ba4ba4aeafa627df42435b6bc6f7d62eb05e [file] [log] [blame]
// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdlib.h>
#ifdef __linux__
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#endif
#include <utility>
#include "src/v8.h"
#include "src/global-handles.h"
#include "src/heap/incremental-marking.h"
#include "src/heap/spaces.h"
#include "src/objects-inl.h"
#include "test/cctest/cctest.h"
#include "test/cctest/heap/heap-utils.h"
using v8::IdleTask;
using v8::Task;
using v8::Isolate;
namespace v8 {
namespace internal {
namespace heap {
class MockPlatform : public TestPlatform {
public:
MockPlatform() : task_(nullptr), old_platform_(i::V8::GetCurrentPlatform()) {
// Now that it's completely constructed, make this the current platform.
i::V8::SetPlatformForTesting(this);
}
virtual ~MockPlatform() {
delete task_;
i::V8::SetPlatformForTesting(old_platform_);
}
void CallOnForegroundThread(v8::Isolate* isolate, Task* task) override {
task_ = task;
}
bool IdleTasksEnabled(v8::Isolate* isolate) override { return false; }
bool PendingTask() { return task_ != nullptr; }
void PerformTask() {
Task* task = task_;
task_ = nullptr;
task->Run();
delete task;
}
private:
Task* task_;
v8::Platform* old_platform_;
};
TEST(IncrementalMarkingUsingTasks) {
if (!i::FLAG_incremental_marking) return;
FLAG_stress_incremental_marking = false;
CcTest::InitializeVM();
MockPlatform platform;
i::heap::SimulateFullSpace(CcTest::heap()->old_space());
i::IncrementalMarking* marking = CcTest::heap()->incremental_marking();
marking->Stop();
marking->Start(i::GarbageCollectionReason::kTesting);
CHECK(platform.PendingTask());
while (platform.PendingTask()) {
platform.PerformTask();
}
CHECK(marking->IsStopped());
}
} // namespace heap
} // namespace internal
} // namespace v8