chromium/content/browser/scheduler/responsiveness/watcher_unittest.cc

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/scheduler/responsiveness/watcher.h"

#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "base/functional/callback_helpers.h"
#include "base/location.h"
#include "base/memory/raw_ptr.h"
#include "base/pending_task.h"
#include "base/run_loop.h"
#include "base/synchronization/lock.h"
#include "base/time/time.h"
#include "build/build_config.h"
#include "content/browser/scheduler/responsiveness/calculator.h"
#include "content/browser/scheduler/responsiveness/native_event_observer.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/test/browser_task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace content {
namespace responsiveness {

namespace {

struct TaskTiming { … };

class FakeCalculator : public Calculator { … };

class FakeMetricSource : public MetricSource { … };

class FakeWatcher : public Watcher { … };

}  // namespace

class ResponsivenessWatcherTest : public testing::Test { … };

// Test that tasks are forwarded to calculator.
TEST_F(ResponsivenessWatcherTest, TaskForwarding) { … }

// Test that nested tasks are not forwarded to the calculator.
TEST_F(ResponsivenessWatcherTest, TaskNesting) { … }

// Test that native events use execution time instead of queue + execution time.
TEST_F(ResponsivenessWatcherTest, NativeEvents) { … }

// Test that the queue duration of a blocked or low priority task is zero.
TEST_F(ResponsivenessWatcherTest, BlockedOrLowPriorityTask) { … }

// Test that the queue duration of a delayed task is zero.
TEST_F(ResponsivenessWatcherTest, DelayedTask) { … }

class ResponsivenessWatcherRealIOThreadTest : public testing::Test { … };

TEST_F(ResponsivenessWatcherRealIOThreadTest, MessageLoopObserver) { … }

}  // namespace responsiveness
}  // namespace content