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// Copyright 2015 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/content_settings/core/browser/plugins_field_trial.h"
#include "base/command_line.h"
#include "base/macros.h"
#include "base/metrics/field_trial.h"
#include "base/test/mock_entropy_provider.h"
#include "components/content_settings/core/browser/content_settings_default_provider.h"
#include "components/content_settings/core/browser/website_settings_info.h"
#include "components/content_settings/core/browser/website_settings_registry.h"
#include "components/content_settings/core/common/content_settings.h"
#include "components/plugins/common/plugins_switches.h"
#include "components/pref_registry/testing_pref_service_syncable.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::FieldTrialList;
namespace content_settings {
const char* kEnableFieldTrial = PluginsFieldTrial::kEnableFieldTrial;
const char* kForceFieldTrial = PluginsFieldTrial::kForceFieldTrial;
class PluginsFieldTrialTest : public testing::Test {
public:
PluginsFieldTrialTest() : field_trial_list_(new base::MockEntropyProvider) {}
private:
base::FieldTrialList field_trial_list_;
DISALLOW_COPY_AND_ASSIGN(PluginsFieldTrialTest);
};
TEST_F(PluginsFieldTrialTest, DisabledByDefault) {
base::CommandLine* cl = base::CommandLine::ForCurrentProcess();
ASSERT_FALSE(cl->HasSwitch(plugins::switches::kDisablePluginPowerSaver));
ASSERT_FALSE(cl->HasSwitch(plugins::switches::kEnablePluginPowerSaver));
ASSERT_FALSE(base::FieldTrialList::TrialExists(kEnableFieldTrial));
ASSERT_FALSE(base::FieldTrialList::TrialExists(kForceFieldTrial));
EXPECT_FALSE(PluginsFieldTrial::IsPluginPowerSaverEnabled());
}
TEST_F(PluginsFieldTrialTest, EnabledByFieldTrial) {
ASSERT_TRUE(FieldTrialList::CreateFieldTrial(kForceFieldTrial, "Dogfood"));
EXPECT_TRUE(PluginsFieldTrial::IsPluginPowerSaverEnabled());
}
TEST_F(PluginsFieldTrialTest, DisabledByFieldTrial) {
ASSERT_TRUE(FieldTrialList::CreateFieldTrial(kEnableFieldTrial, "Disabled"));
EXPECT_FALSE(PluginsFieldTrial::IsPluginPowerSaverEnabled());
}
TEST_F(PluginsFieldTrialTest, EnabledBySwitch) {
base::CommandLine* cl = base::CommandLine::ForCurrentProcess();
cl->AppendSwitch(plugins::switches::kEnablePluginPowerSaver);
EXPECT_TRUE(PluginsFieldTrial::IsPluginPowerSaverEnabled());
}
TEST_F(PluginsFieldTrialTest, DisabledBySwitch) {
base::CommandLine* cl = base::CommandLine::ForCurrentProcess();
cl->AppendSwitch(plugins::switches::kDisablePluginPowerSaver);
EXPECT_FALSE(PluginsFieldTrial::IsPluginPowerSaverEnabled());
}
TEST_F(PluginsFieldTrialTest, SwitchOverridesFieldTrial1) {
ASSERT_TRUE(FieldTrialList::CreateFieldTrial(kForceFieldTrial, "Disabled"));
base::CommandLine* cl = base::CommandLine::ForCurrentProcess();
cl->AppendSwitch(plugins::switches::kEnablePluginPowerSaver);
EXPECT_TRUE(PluginsFieldTrial::IsPluginPowerSaverEnabled());
}
TEST_F(PluginsFieldTrialTest, SwitchOverridesFieldTrial2) {
ASSERT_TRUE(FieldTrialList::CreateFieldTrial(kEnableFieldTrial, "Enabled"));
base::CommandLine* cl = base::CommandLine::ForCurrentProcess();
cl->AppendSwitch(plugins::switches::kDisablePluginPowerSaver);
EXPECT_FALSE(PluginsFieldTrial::IsPluginPowerSaverEnabled());
}
TEST_F(PluginsFieldTrialTest, NoPrefLeftBehind) {
ASSERT_TRUE(FieldTrialList::CreateFieldTrial(kEnableFieldTrial, "Enabled"));
user_prefs::TestingPrefServiceSyncable prefs;
{
DefaultProvider::RegisterProfilePrefs(prefs.registry());
DefaultProvider default_provider(&prefs, false);
}
const std::string& default_plugin_setting_pref_name =
WebsiteSettingsRegistry::GetInstance()
->Get(CONTENT_SETTINGS_TYPE_PLUGINS)
->default_value_pref_name();
EXPECT_EQ(CONTENT_SETTING_DETECT_IMPORTANT_CONTENT,
prefs.GetInteger(default_plugin_setting_pref_name));
EXPECT_FALSE(prefs.HasPrefPath(default_plugin_setting_pref_name));
}
} // namespace content_settings
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