Split browser-specific and generic code in components/task_scheduler_util/.

components/task_scheduler_util/variations/browser_variations_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/variations/browser_variations_util.h"
-
-#include <map>
-#include <vector>
-
-#include "base/metrics/field_trial.h"
-#include "components/variations/variations_associated_data.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace task_scheduler_util {
-namespace variations {
-
-namespace {
-
-using StandbyThreadPolicy =
-    base::SchedulerWorkerPoolParams::StandbyThreadPolicy;
-
-constexpr char kFieldTrialName[] = "BrowserScheduler";
-constexpr char kFieldTrialTestGroup[] = "Test";
-
-class TaskSchedulerUtilBrowserVariationsUtilTest : public ::testing::Test {
- public:
-  TaskSchedulerUtilBrowserVariationsUtilTest() : field_trial_list_(nullptr) {}
-
-  ~TaskSchedulerUtilBrowserVariationsUtilTest() override {
-    // Ensure that the maps are cleared between tests, since they are stored as
-    // process singletons.
-    ::variations::testing::ClearAllVariationIDs();
-    ::variations::testing::ClearAllVariationParams();
-  }
-
- private:
-  base::FieldTrialList field_trial_list_;
-
-  DISALLOW_COPY_AND_ASSIGN(TaskSchedulerUtilBrowserVariationsUtilTest);
-};
-
-}  // namespace
-
-TEST_F(TaskSchedulerUtilBrowserVariationsUtilTest, OrderingParams5) {
-  std::map<std::string, std::string> params;
-  params["Background"] = "1;1;1;0;42";
-  params["BackgroundFileIO"] = "2;2;1;0;52";
-  params["Foreground"] = "4;4;1;0;62";
-  params["ForegroundFileIO"] = "8;8;1;0;72";
-  ASSERT_TRUE(::variations::AssociateVariationParams(kFieldTrialName,
-                                                     kFieldTrialTestGroup,
-                                                     params));
-
-  base::FieldTrialList::CreateFieldTrial(kFieldTrialName, kFieldTrialTestGroup);
-  auto params_vector = GetBrowserSchedulerWorkerPoolParamsFromVariations();
-  ASSERT_EQ(4U, params_vector.size());
-
-  EXPECT_EQ(StandbyThreadPolicy::ONE, params_vector[0].standby_thread_policy());
-  EXPECT_EQ(1U, params_vector[0].max_threads());
-  EXPECT_EQ(base::TimeDelta::FromMilliseconds(42),
-            params_vector[0].suggested_reclaim_time());
-
-  EXPECT_EQ(StandbyThreadPolicy::ONE, params_vector[1].standby_thread_policy());
-  EXPECT_EQ(2U, params_vector[1].max_threads());
-  EXPECT_EQ(base::TimeDelta::FromMilliseconds(52),
-            params_vector[1].suggested_reclaim_time());
-
-  EXPECT_EQ(StandbyThreadPolicy::ONE, params_vector[2].standby_thread_policy());
-  EXPECT_EQ(4U, params_vector[2].max_threads());
-  EXPECT_EQ(base::TimeDelta::FromMilliseconds(62),
-            params_vector[2].suggested_reclaim_time());
-
-  EXPECT_EQ(StandbyThreadPolicy::ONE, params_vector[3].standby_thread_policy());
-  EXPECT_EQ(8U, params_vector[3].max_threads());
-  EXPECT_EQ(base::TimeDelta::FromMilliseconds(72),
-            params_vector[3].suggested_reclaim_time());
-}
-
-TEST_F(TaskSchedulerUtilBrowserVariationsUtilTest, OrderingParams6) {
-  std::map<std::string, std::string> params;
-  params["Background"] = "1;1;1;0;42;lazy";
-  params["BackgroundFileIO"] = "2;2;1;0;52;one";
-  params["Foreground"] = "4;4;1;0;62;lazy";
-  params["ForegroundFileIO"] = "8;8;1;0;72;one";
-  ASSERT_TRUE(::variations::AssociateVariationParams(kFieldTrialName,
-                                                     kFieldTrialTestGroup,
-                                                     params));
-
-  base::FieldTrialList::CreateFieldTrial(kFieldTrialName, kFieldTrialTestGroup);
-  auto params_vector = GetBrowserSchedulerWorkerPoolParamsFromVariations();
-  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::FromMilliseconds(42),
-            params_vector[0].suggested_reclaim_time());
-
-  EXPECT_EQ(StandbyThreadPolicy::ONE, params_vector[1].standby_thread_policy());
-  EXPECT_EQ(2U, params_vector[1].max_threads());
-  EXPECT_EQ(base::TimeDelta::FromMilliseconds(52),
-            params_vector[1].suggested_reclaim_time());
-
-  EXPECT_EQ(StandbyThreadPolicy::LAZY,
-            params_vector[2].standby_thread_policy());
-  EXPECT_EQ(4U, params_vector[2].max_threads());
-  EXPECT_EQ(base::TimeDelta::FromMilliseconds(62),
-            params_vector[2].suggested_reclaim_time());
-
-  EXPECT_EQ(StandbyThreadPolicy::ONE, params_vector[3].standby_thread_policy());
-  EXPECT_EQ(8U, params_vector[3].max_threads());
-  EXPECT_EQ(base::TimeDelta::FromMilliseconds(72),
-            params_vector[3].suggested_reclaim_time());
-}
-
-TEST_F(TaskSchedulerUtilBrowserVariationsUtilTest, NoData) {
-  auto params_vector = GetBrowserSchedulerWorkerPoolParamsFromVariations();
-  EXPECT_TRUE(params_vector.empty());
-}
-
-TEST_F(TaskSchedulerUtilBrowserVariationsUtilTest, IncompleteParameters) {
-  std::map<std::string, std::string> params;
-  params["Background"] = "1;1;1;0";
-  params["BackgroundFileIO"] = "2;2;1;0";
-  params["Foreground"] = "4;4;1;0";
-  params["ForegroundFileIO"] = "8;8;1;0";
-  base::FieldTrialList::CreateFieldTrial(kFieldTrialName, kFieldTrialTestGroup);
-  ASSERT_TRUE(::variations::AssociateVariationParams(kFieldTrialName,
-                                                     kFieldTrialTestGroup,
-                                                     params));
-  auto params_vector = GetBrowserSchedulerWorkerPoolParamsFromVariations();
-  EXPECT_TRUE(params_vector.empty());
-}
-
-TEST_F(TaskSchedulerUtilBrowserVariationsUtilTest, InvalidParameters) {
-  std::map<std::string, std::string> params;
-  params["Background"] = "a;b;c;d;e";
-  params["BackgroundFileIO"] = "a;b;c;d;e";
-  params["Foreground"] = "a;b;c;d;e";
-  params["ForegroundFileIO"] = "a;b;c;d;e";
-  base::FieldTrialList::CreateFieldTrial(kFieldTrialName, kFieldTrialTestGroup);
-  ASSERT_TRUE(::variations::AssociateVariationParams(kFieldTrialName,
-                                                     kFieldTrialTestGroup,
-                                                     params));
-  auto params_vector = GetBrowserSchedulerWorkerPoolParamsFromVariations();
-  EXPECT_TRUE(params_vector.empty());
-}
-
-}  // namespace variations
-}  // namespace task_scheduler_util