|  | // Copyright 2017 The Chromium 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 "base/task_scheduler/test_utils.h" | 
|  |  | 
|  | #include <utility> | 
|  |  | 
|  | #include "base/task_scheduler/scheduler_worker_pool.h" | 
|  | #include "testing/gtest/include/gtest/gtest.h" | 
|  |  | 
|  | namespace base { | 
|  | namespace internal { | 
|  | namespace test { | 
|  |  | 
|  | MockSchedulerWorkerObserver::MockSchedulerWorkerObserver() = default; | 
|  | MockSchedulerWorkerObserver::~MockSchedulerWorkerObserver() = default; | 
|  |  | 
|  | scoped_refptr<Sequence> CreateSequenceWithTask(Task task) { | 
|  | scoped_refptr<Sequence> sequence = MakeRefCounted<Sequence>(); | 
|  | sequence->PushTask(std::move(task)); | 
|  | return sequence; | 
|  | } | 
|  |  | 
|  | scoped_refptr<TaskRunner> CreateTaskRunnerWithExecutionMode( | 
|  | SchedulerWorkerPool* worker_pool, | 
|  | test::ExecutionMode execution_mode) { | 
|  | // Allow tasks posted to the returned TaskRunner to wait on a WaitableEvent. | 
|  | const TaskTraits traits = {WithBaseSyncPrimitives()}; | 
|  | switch (execution_mode) { | 
|  | case test::ExecutionMode::PARALLEL: | 
|  | return worker_pool->CreateTaskRunnerWithTraits(traits); | 
|  | case test::ExecutionMode::SEQUENCED: | 
|  | return worker_pool->CreateSequencedTaskRunnerWithTraits(traits); | 
|  | default: | 
|  | // Fall through. | 
|  | break; | 
|  | } | 
|  | ADD_FAILURE() << "Unexpected ExecutionMode"; | 
|  | return nullptr; | 
|  | } | 
|  |  | 
|  | }  // namespace test | 
|  | }  // namespace internal | 
|  | }  // namespace base |