Split initialization_util into a Hermetic Library and a Variations Library

components/task_scheduler_util/initialization/browser_util_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 "components/task_scheduler_util/initialization/browser_util.h"
+
+#include <vector>
+
+#include "base/task_scheduler/scheduler_worker_pool_params.h"
+#include "base/time/time.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace task_scheduler_util {
+namespace initialization {
+
+TEST(TaskSchedulerUtilBrowserUtilTest, CheckOrdering) {
+  using StandbyThreadPolicy =
+      base::SchedulerWorkerPoolParams::StandbyThreadPolicy;
+  BrowserWorkerPoolsConfiguration config;
+  config.background.standby_thread_policy = StandbyThreadPolicy::LAZY;
+  config.background.threads = 1;
+  config.background.detach_period = base::TimeDelta::FromSeconds(2);
+
+  config.background_file_io.standby_thread_policy = StandbyThreadPolicy::ONE;
+  config.background_file_io.threads = 3;
+  config.background_file_io.detach_period = base::TimeDelta::FromSeconds(4);
+
+  config.foreground.standby_thread_policy = StandbyThreadPolicy::LAZY;
+  config.foreground.threads = 5;
+  config.foreground.detach_period = base::TimeDelta::FromSeconds(6);
+
+  config.foreground_file_io.standby_thread_policy = StandbyThreadPolicy::ONE;
+  config.foreground_file_io.threads = 7;
+  config.foreground_file_io.detach_period = base::TimeDelta::FromSeconds(8);
+
+  const std::vector<base::SchedulerWorkerPoolParams> params_vector =
+      BrowserWorkerPoolConfigurationToSchedulerWorkerPoolParams(config);
+
+  ASSERT_EQ(4U, params_vector.size());
+
+  EXPECT_EQ(StandbyThreadPolicy::LAZY,
+            params_vector[0].standby_thread_policy());
+  EXPECT_EQ(1U, params_vector[0].max_threads());
+  EXPECT_EQ(base::TimeDelta::FromSeconds(2),
+            params_vector[0].suggested_reclaim_time());
+
+  EXPECT_EQ(StandbyThreadPolicy::ONE, params_vector[1].standby_thread_policy());
+  EXPECT_EQ(3U, params_vector[1].max_threads());
+  EXPECT_EQ(base::TimeDelta::FromSeconds(4),
+            params_vector[1].suggested_reclaim_time());
+
+  EXPECT_EQ(StandbyThreadPolicy::LAZY,
+            params_vector[2].standby_thread_policy());
+  EXPECT_EQ(5U, params_vector[2].max_threads());
+  EXPECT_EQ(base::TimeDelta::FromSeconds(6),
+            params_vector[2].suggested_reclaim_time());
+
+  EXPECT_EQ(StandbyThreadPolicy::ONE, params_vector[3].standby_thread_policy());
+  EXPECT_EQ(7U, params_vector[3].max_threads());
+  EXPECT_EQ(base::TimeDelta::FromSeconds(8),
+            params_vector[3].suggested_reclaim_time());
+}
+
+}  // namespace initialization
+}  // namespace task_scheduler_util