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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 "base/run_loop.h"
#include "base/task/thread_pool/thread_pool_instance.h"
#include "build/build_config.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/metrics/content/subprocess_metrics_provider.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "services/network/public/cpp/features.h"
#include "testing/gmock/include/gmock/gmock.h"
class ChromeDataUseMeasurementBrowserTest : public InProcessBrowserTest {
protected:
void SetUpOnMainThread() override {
embedded_test_server()->ServeFilesFromSourceDirectory(
GetChromeTestDataDir());
ASSERT_TRUE(embedded_test_server()->Start());
}
size_t GetTotalDataUse() const {
return histogram_tester_.GetTotalSum("DataUse.BytesReceived3.Delegate") +
histogram_tester_.GetTotalSum("DataUse.BytesSent3.Delegate");
}
void RetryUntilUserInitiatedDataUsePrefHasEntry() {
do {
base::ThreadPoolInstance::Get()->FlushForTesting();
base::RunLoop().RunUntilIdle();
content::FetchHistogramsFromChildProcesses();
metrics::SubprocessMetricsProvider::MergeHistogramDeltasForTesting();
} while (GetTotalDataUse() == 0);
}
private:
base::HistogramTester histogram_tester_;
};
IN_PROC_BROWSER_TEST_F(ChromeDataUseMeasurementBrowserTest, DataUseRecorded) {
ASSERT_TRUE(ui_test_utils::NavigateToURL(
browser(), embedded_test_server()->GetURL("/title1.html")));
RetryUntilUserInitiatedDataUsePrefHasEntry();
EXPECT_GT(GetTotalDataUse(), 0u);
}
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