v8/test/cctest/heap/test-incremental-marking.cc
Bill Budge 0eb28cd5b9 [cctest] Simplify tests that mock v8::Platform.
Adds a base class TestPlatform which implements the most common defaults
for v8::Platform methods.

Reworks existing cctests and unittests to use TestPlatform.

Bug: 
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng
Change-Id: Ifeb28a5a190529697d5bcac227e80b10d454d9bd
Reviewed-on: https://chromium-review.googlesource.com/590194
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Bill Budge <bbudge@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47050}
2017-08-01 17:06:13 +00:00

79 lines
1.8 KiB
C++

// 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/full-codegen/full-codegen.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 {
class MockPlatform : public TestPlatform {
public:
MockPlatform() : task_(nullptr) {
// Now that it's completely constructed, make this the current platform.
i::V8::SetPlatformForTesting(this);
}
virtual ~MockPlatform() { delete task_; }
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_;
};
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 internal
} // namespace v8