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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 "base/test/metrics/histogram_tester.h"
#include "chrome/browser/ui/views/web_apps/web_app_integration_test_driver.h"
#include "components/metrics/content/subprocess_metrics_provider.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
namespace web_app::integration_tests {
namespace {
void FetchHistogramsFromChildProcesses() {
content::FetchHistogramsFromChildProcesses();
metrics::SubprocessMetricsProvider::MergeHistogramDeltasForTesting();
}
using AppShimMetricsTest = WebAppIntegrationTest;
IN_PROC_BROWSER_TEST_F(AppShimMetricsTest, Basics) {
base::HistogramTester histogram_tester;
helper_.InstallMenuOption(Site::kStandalone);
helper_.CheckWindowCreated();
FetchHistogramsFromChildProcesses();
histogram_tester.ExpectTotalCount("AppShim.Launched",
/*expected_count=*/1);
histogram_tester.ExpectTotalCount("AppShim.WillTerminate",
/*expected_count=*/0);
helper_.QuitAppShim(Site::kStandalone);
helper_.CheckWindowClosed();
// After quitting we should have metrics from it.
FetchHistogramsFromChildProcesses();
histogram_tester.ExpectTotalCount("AppShim.Launched",
/*expected_count=*/1);
histogram_tester.ExpectTotalCount("AppShim.WillTerminate",
/*expected_count=*/1);
}
} // namespace
} // namespace web_app::integration_tests
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