Add Lazy Creation and Thread Detachment Support in the Scheduler Worker Pool

base/task_scheduler/task_scheduler_impl_unittest.cc

 // Copyright 2016 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/task_scheduler_impl.h"
 
 #include <stddef.h>
 
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/task_scheduler/scheduler_worker_pool_params.h"
 #include "base/task_scheduler/task_traits.h"
 #include "base/task_scheduler/test_task_factory.h"
 #include "base/threading/platform_thread.h"
 #include "base/threading/simple_thread.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_restrictions.h"
+#include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
 namespace internal {
 
 namespace {
 
 struct TraitsExecutionModePair {
   TraitsExecutionModePair(const TaskTraits& traits,
                           ExecutionMode execution_mode)
@@ skipping 122 matching lines @@
  protected:
   TaskSchedulerImplTest() = default;
 
   void SetUp() override {
     using IORestriction = SchedulerWorkerPoolParams::IORestriction;
 
     std::vector<SchedulerWorkerPoolParams> params;
 
     ASSERT_EQ(BACKGROUND_WORKER_POOL, params.size());
     params.emplace_back("TaskSchedulerBackground", ThreadPriority::BACKGROUND,
-                        IORestriction::DISALLOWED, 1U);
+                        IORestriction::DISALLOWED, 1U, TimeDelta::Max());
 
     ASSERT_EQ(BACKGROUND_FILE_IO_WORKER_POOL, params.size());
     params.emplace_back("TaskSchedulerBackgroundFileIO",
-                        ThreadPriority::BACKGROUND, IORestriction::ALLOWED, 3U);
+                        ThreadPriority::BACKGROUND, IORestriction::ALLOWED, 3U,
+                        TimeDelta::Max());
 
     ASSERT_EQ(FOREGROUND_WORKER_POOL, params.size());
     params.emplace_back("TaskSchedulerForeground", ThreadPriority::NORMAL,
-                        IORestriction::DISALLOWED, 4U);
+                        IORestriction::DISALLOWED, 4U, TimeDelta::Max());
 
     ASSERT_EQ(FOREGROUND_FILE_IO_WORKER_POOL, params.size());
     params.emplace_back("TaskSchedulerForegroundFileIO", ThreadPriority::NORMAL,
-                        IORestriction::ALLOWED, 12U);
+                        IORestriction::ALLOWED, 12U, TimeDelta::Max());
 
     scheduler_ = TaskSchedulerImpl::Create(params,
                                            Bind(&GetThreadPoolIndexForTraits));
     ASSERT_TRUE(scheduler_);
   }
 
   void TearDown() override { scheduler_->JoinForTesting(); }
 
   std::unique_ptr<TaskSchedulerImpl> scheduler_;
 
@@ skipping 56 matching lines @@
     thread->WaitForAllTasksToRun();
     thread->Join();
   }
 }
 
 // TODO(fdoray): Add tests with Sequences that move around worker pools once
 // child TaskRunners are supported.
 
 }  // namespace internal
 }  // namespace base