chromium/components/performance_manager/prerendering_browsertest.cc

// Copyright 2021 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>

#include "base/functional/bind.h"
#include "base/memory/weak_ptr.h"
#include "components/performance_manager/public/graph/frame_node.h"
#include "components/performance_manager/public/graph/page_node.h"
#include "components/performance_manager/public/performance_manager.h"
#include "components/performance_manager/test_support/performance_manager_browsertest_harness.h"
#include "components/performance_manager/test_support/run_in_graph.h"
#include "content/public/browser/back_forward_cache.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/back_forward_cache_util.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/prerender_test_util.h"
#include "content/public/test/test_utils.h"
#include "content/shell/browser/shell.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"

namespace performance_manager {

class Graph;

// Tests that the PerformanceManager node states are updated correctly during
// prerendering.
//
// TODO(crbug.com/40182881): These tests assume prerendering frames are added as
// extra FrameNodes on the existing PageNode. Update this logic once
// prerendering frame trees have their own PageNode.
class PerformanceManagerPrerenderingBrowserTest
    : public PerformanceManagerBrowserTestHarness { … };

IN_PROC_BROWSER_TEST_F(PerformanceManagerPrerenderingBrowserTest,
                       PrerenderingFinishes) { … }

IN_PROC_BROWSER_TEST_F(PerformanceManagerPrerenderingBrowserTest,
                       PrerenderingCancelled) { … }

}  // namespace performance_manager