v8/test/cctest/test-libplatform-task-queue.cc

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// Copyright 2013 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * 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.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
// OWNER OR 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 "v8.h"
#include "cctest.h"
#include "libplatform/task-queue.h"
#include "test-libplatform.h"
using namespace v8::internal;
TEST(TaskQueueBasic) {
TaskCounter task_counter;
TaskQueue queue;
TestTask* task = new TestTask(&task_counter);
queue.Append(task);
CHECK_EQ(1, task_counter.GetCount());
CHECK_EQ(task, queue.GetNext());
delete task;
CHECK_EQ(0, task_counter.GetCount());
queue.Terminate();
CHECK_EQ(NULL, queue.GetNext());
}
class ReadQueueTask : public TestTask {
public:
ReadQueueTask(TaskCounter* task_counter, TaskQueue* queue)
: TestTask(task_counter, true), queue_(queue) {}
virtual ~ReadQueueTask() {}
virtual void Run() V8_OVERRIDE {
TestTask::Run();
CHECK_EQ(NULL, queue_->GetNext());
}
private:
TaskQueue* queue_;
DISALLOW_COPY_AND_ASSIGN(ReadQueueTask);
};
TEST(TaskQueueTerminateMultipleReaders) {
TaskQueue queue;
TaskCounter task_counter;
ReadQueueTask* read1 = new ReadQueueTask(&task_counter, &queue);
ReadQueueTask* read2 = new ReadQueueTask(&task_counter, &queue);
TestWorkerThread thread1(read1);
TestWorkerThread thread2(read2);
thread1.Start();
thread2.Start();
CHECK_EQ(2, task_counter.GetCount());
thread1.Signal();
thread2.Signal();
queue.Terminate();
thread1.Join();
thread2.Join();
CHECK_EQ(0, task_counter.GetCount());
}