performance_timeline_browsertest.cc

// 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 <string_view>

#include "base/base_paths.h"
#include "base/command_line.h"
#include "base/path_service.h"
#include "base/test/bind.h"
#include "base/test/trace_event_analyzer.h"
#include "components/ukm/test_ukm_recorder.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/common/content_navigation_policy.h"
#include "content/public/browser/tracing_controller.h"
#include "content/public/common/content_switches.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/public/test/hit_test_region_observer.h"
#include "content/shell/browser/shell.h"
#include "content/shell/common/shell_switches.h"
#include "content/test/content_browser_test_utils_internal.h"
#include "net/dns/mock_host_resolver.h"
#include "services/metrics/public/cpp/ukm_builders.h"

namespace content {

class PerformanceTimelineBrowserTest : public ContentBrowserTest { … };

IN_PROC_BROWSER_TEST_F(PerformanceTimelineBrowserTest,
                       NoResourceTimingEntryForFileProtocol) { … }

class PerformanceTimelineLCPStartTimePrecisionBrowserTest
    : public PerformanceTimelineBrowserTest { … };

#if BUILDFLAG(IS_CHROMEOS_LACROS)
#define MAYBE_LCPStartTimePrecision …
#else
#define MAYBE_LCPStartTimePrecision …
#endif
IN_PROC_BROWSER_TEST_F(PerformanceTimelineLCPStartTimePrecisionBrowserTest,
                       MAYBE_LCPStartTimePrecision) { … }

class PerformanceTimelineNavigationIdBrowserTest
    : public PerformanceTimelineBrowserTest { … };

// This test case is to verify PerformanceEntry.navigationId gets incremented
// for each back/forward cache restore.
IN_PROC_BROWSER_TEST_F(PerformanceTimelineNavigationIdBrowserTest,
                       BackForwardCacheRestore) { … }

class PerformanceTimelinePrefetchTransferSizeBrowserTest
    : public PerformanceTimelineBrowserTest { … };

IN_PROC_BROWSER_TEST_F(PerformanceTimelinePrefetchTransferSizeBrowserTest,
                       PrefetchTransferSize) { … }

class PerformanceTimelineBackForwardCacheRestorationBrowserTest
    : public PerformanceTimelineBrowserTest { … };

IN_PROC_BROWSER_TEST_F(
    PerformanceTimelineBackForwardCacheRestorationBrowserTest,
    Create) { … }

class PerformanceEventTimingBrowserTest
    : public PerformanceTimelineBrowserTest { … };

IN_PROC_BROWSER_TEST_F(PerformanceEventTimingBrowserTest,
                       RecordingContinuesWhenBufferIsFull) { … }

}  // namespace content
chromium/content/browser/performance_timeline_browsertest.cc
