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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <vector>
#include "base/test/metrics/histogram_tester.h"
#include "content/browser/accessibility/accessibility_browsertest.h"
#include "content/public/test/accessibility_notification_waiter.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/scoped_accessibility_mode_override.h"
#include "content/shell/browser/shell.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace content {
class AccessibilityMetricsBrowserTest : public AccessibilityBrowserTest {
protected:
base::HistogramTester histogram_tester_;
};
IN_PROC_BROWSER_TEST_F(AccessibilityMetricsBrowserTest, EventProcessingTime) {
// Make two changes to the accessibility mode so that two distinct calls are
// made to RenderAccessibility::SetMode.
SetInitialAccessibilityMode(ui::kAXModeBasic);
LoadSampleParagraph();
auto* const web_contents = shell()->web_contents();
AccessibilityNotificationWaiter waiter(web_contents);
ScopedAccessibilityModeOverride complete(ui::kAXModeComplete);
ASSERT_TRUE(waiter.WaitForNotification(/*all_frames=*/true));
// There should be at least one recording to the "first" histogram, and at
// least one to the non-suffxed ("others") histogram.
ASSERT_FALSE(histogram_tester_
.GetAllSamples("Accessibility.EventProcessingTime3.First")
.empty());
ASSERT_FALSE(histogram_tester_
.GetAllSamples("Accessibility.EventProcessingTime3.NotFirst")
.empty());
}
} // namespace content
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