chromium/third_party/blink/renderer/platform/network/network_state_notifier_test.cc

/*
 * Copyright (c) 2014, Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "third_party/blink/renderer/platform/network/network_state_notifier.h"

#include <optional>

#include "base/functional/bind.h"
#include "base/memory/raw_ptr.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/task_environment.h"
#include "base/time/time.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/platform.h"
#include "third_party/blink/public/platform/web_connection_type.h"
#include "third_party/blink/public/platform/web_effective_connection_type.h"
#include "third_party/blink/renderer/platform/scheduler/public/thread.h"
#include "third_party/blink/renderer/platform/scheduler/test/fake_task_runner.h"
#include "third_party/blink/renderer/platform/testing/unit_test_helpers.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"

namespace blink {

FakeTaskRunner;

namespace {
const double kNoneMaxBandwidthMbps =;
const double kBluetoothMaxBandwidthMbps =;
const double kEthernetMaxBandwidthMbps =;
const std::optional<base::TimeDelta> kEthernetHttpRtt(base::Milliseconds(50));
const std::optional<base::TimeDelta> kEthernetTransportRtt(
    base::Milliseconds(25));
const std::optional<double> kEthernetThroughputMbps(75.0);
const std::optional<base::TimeDelta> kUnknownRtt;
const std::optional<double> kUnknownThroughputMbps;

enum class SaveData {};

}  // namespace

class StateObserver final : public NetworkStateNotifier::NetworkStateObserver {};

class NetworkStateNotifierTest : public testing::Test {};

TEST_F(NetworkStateNotifierTest, AddObserver) {}

TEST_F(NetworkStateNotifierTest, RemoveObserver) {}

TEST_F(NetworkStateNotifierTest, RemoveSoleObserver) {}

TEST_F(NetworkStateNotifierTest, AddObserverWhileNotifying) {}

TEST_F(NetworkStateNotifierTest, RemoveSoleObserverWhileNotifying) {}

TEST_F(NetworkStateNotifierTest, RemoveCurrentObserverWhileNotifying) {}

// It should be safe to remove multiple observers in one iteration.
TEST_F(NetworkStateNotifierTest, RemoveMultipleObserversWhileNotifying) {}

TEST_F(NetworkStateNotifierTest, MultipleContextsAddObserver) {}

TEST_F(NetworkStateNotifierTest, RemoveContext) {}

TEST_F(NetworkStateNotifierTest, RemoveAllContexts) {}

TEST_F(NetworkStateNotifierTest, SetNetworkConnectionInfoOverride) {}

TEST_F(NetworkStateNotifierTest, SetNetworkQualityInfoOverride) {}

TEST_F(NetworkStateNotifierTest, SaveDataOverride) {}

TEST_F(NetworkStateNotifierTest, NoExtraNotifications) {}

TEST_F(NetworkStateNotifierTest, NoNotificationOnInitialization) {}

TEST_F(NetworkStateNotifierTest, OnLineNotification) {}

TEST_F(NetworkStateNotifierTest, MultipleObservers) {}

TEST_F(NetworkStateNotifierTest, SetNetworkConnectionInfoOverrideGenerateECTs) {}

// Verify that network state notifier APIs return the correct value when the
// network quality web holdback experiment is enabled.
TEST_F(NetworkStateNotifierTest, SetNetInfoHoldback) {}

// Verify dangling pointer conditions: http://crbug.com/1278708
TEST_F(NetworkStateNotifierTest, RemoveObserverBeforeNotifying) {}

class OnlineStateObserver : public NetworkStateNotifier::NetworkStateObserver {};

TEST_F(NetworkStateNotifierTest, RemoveObserverWhileNotifying) {}

}  // namespace blink