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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/performance_manager/metrics/metrics_provider_common.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/test/scoped_feature_list.h"
#include "base/test/task_environment.h"
#include "chrome/browser/performance_manager/public/user_tuning/user_performance_tuning_manager.h"
#include "chrome/browser/performance_manager/test_support/fake_frame_throttling_delegate.h"
#include "chrome/browser/performance_manager/test_support/test_user_performance_tuning_manager_environment.h"
#include "components/performance_manager/public/features.h"
#include "components/performance_manager/public/user_tuning/prefs.h"
#include "components/prefs/testing_pref_service.h"
#include "content/public/test/browser_task_environment.h"
#include "content/public/test/scoped_accessibility_mode_override.h"
#include "testing/gtest/include/gtest/gtest.h"
class PerformanceManagerMetricsProviderCommonTest : public testing::Test {
protected:
performance_manager::MetricsProviderCommon* provider() {
return provider_.get();
}
private:
void SetUp() override {
provider_ = std::make_unique<performance_manager::MetricsProviderCommon>();
}
content::BrowserTaskEnvironment task_environment_;
std::unique_ptr<performance_manager::MetricsProviderCommon> provider_;
};
TEST_F(PerformanceManagerMetricsProviderCommonTest, A11yModeOff) {
base::HistogramTester tester;
provider()->ProvideCurrentSessionData(nullptr);
tester.ExpectUniqueSample(
"PerformanceManager.Experimental.HasAccessibilityModeFlag", false, 1);
}
TEST_F(PerformanceManagerMetricsProviderCommonTest, A11yModeOn) {
content::ScopedAccessibilityModeOverride scoped_setter(
ui::AXMode::kWebContents);
base::HistogramTester tester;
provider()->ProvideCurrentSessionData(nullptr);
tester.ExpectUniqueSample(
"PerformanceManager.Experimental.HasAccessibilityModeFlag", true, 1);
tester.ExpectUniqueSample(
"PerformanceManager.Experimental.AccessibilityModeFlag",
ui::AXMode::ModeFlagHistogramValue::UMA_AX_MODE_WEB_CONTENTS, 1);
}
TEST_F(PerformanceManagerMetricsProviderCommonTest, MultipleA11yModeFlags) {
content::ScopedAccessibilityModeOverride scoped_setter(
ui::AXMode::kWebContents | ui::AXMode::kHTML);
base::HistogramTester tester;
provider()->ProvideCurrentSessionData(nullptr);
tester.ExpectUniqueSample(
"PerformanceManager.Experimental.HasAccessibilityModeFlag", true, 1);
// Each mode flag gets recorded in its own bucket
tester.ExpectBucketCount(
"PerformanceManager.Experimental.AccessibilityModeFlag",
ui::AXMode::ModeFlagHistogramValue::UMA_AX_MODE_WEB_CONTENTS, 1);
tester.ExpectBucketCount(
"PerformanceManager.Experimental.AccessibilityModeFlag",
ui::AXMode::ModeFlagHistogramValue::UMA_AX_MODE_HTML, 1);
}
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