318 lines
11 KiB
C++
318 lines
11 KiB
C++
// Copyright 2014 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "net/base/network_change_notifier.h"
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#include "base/run_loop.h"
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#include "build/build_config.h"
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#include "net/base/mock_network_change_notifier.h"
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#include "net/base/network_interfaces.h"
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#include "net/test/test_with_task_environment.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace net {
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// Note: This test is subject to the host's OS and network connection. This test
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// is not future-proof. New standards will come about necessitating the need to
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// alter the ranges of these tests.
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TEST(NetworkChangeNotifierTest, NetMaxBandwidthRange) {
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NetworkChangeNotifier::ConnectionType connection_type =
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NetworkChangeNotifier::CONNECTION_NONE;
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double max_bandwidth = 0.0;
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NetworkChangeNotifier::GetMaxBandwidthAndConnectionType(&max_bandwidth,
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&connection_type);
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// Always accept infinity as it's the default value if the bandwidth is
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// unknown.
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if (max_bandwidth == std::numeric_limits<double>::infinity()) {
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EXPECT_NE(NetworkChangeNotifier::CONNECTION_NONE, connection_type);
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return;
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}
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switch (connection_type) {
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case NetworkChangeNotifier::CONNECTION_UNKNOWN:
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EXPECT_EQ(std::numeric_limits<double>::infinity(), max_bandwidth);
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break;
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case NetworkChangeNotifier::CONNECTION_ETHERNET:
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EXPECT_GE(10.0, max_bandwidth);
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EXPECT_LE(10000.0, max_bandwidth);
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break;
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case NetworkChangeNotifier::CONNECTION_WIFI:
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EXPECT_GE(1.0, max_bandwidth);
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EXPECT_LE(7000.0, max_bandwidth);
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break;
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case NetworkChangeNotifier::CONNECTION_2G:
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EXPECT_GE(0.01, max_bandwidth);
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EXPECT_LE(0.384, max_bandwidth);
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break;
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case NetworkChangeNotifier::CONNECTION_3G:
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EXPECT_GE(2.0, max_bandwidth);
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EXPECT_LE(42.0, max_bandwidth);
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break;
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case NetworkChangeNotifier::CONNECTION_4G:
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EXPECT_GE(100.0, max_bandwidth);
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EXPECT_LE(100.0, max_bandwidth);
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break;
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case NetworkChangeNotifier::CONNECTION_5G:
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// TODO(crbug.com/1127134): Expect proper bounds once we have introduced
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// subtypes for 5G connections.
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EXPECT_EQ(std::numeric_limits<double>::infinity(), max_bandwidth);
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break;
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case NetworkChangeNotifier::CONNECTION_NONE:
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EXPECT_EQ(0.0, max_bandwidth);
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break;
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case NetworkChangeNotifier::CONNECTION_BLUETOOTH:
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EXPECT_GE(1.0, max_bandwidth);
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EXPECT_LE(24.0, max_bandwidth);
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break;
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}
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}
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TEST(NetworkChangeNotifierTest, ConnectionTypeFromInterfaceList) {
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NetworkInterfaceList list;
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// Test empty list.
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EXPECT_EQ(NetworkChangeNotifier::ConnectionTypeFromInterfaceList(list),
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NetworkChangeNotifier::CONNECTION_NONE);
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for (int i = NetworkChangeNotifier::CONNECTION_UNKNOWN;
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i <= NetworkChangeNotifier::CONNECTION_LAST; i++) {
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// Check individual types.
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NetworkInterface interface;
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interface.type = static_cast<NetworkChangeNotifier::ConnectionType>(i);
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list.clear();
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list.push_back(interface);
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EXPECT_EQ(NetworkChangeNotifier::ConnectionTypeFromInterfaceList(list), i);
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// Check two types.
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for (int j = NetworkChangeNotifier::CONNECTION_UNKNOWN;
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j <= NetworkChangeNotifier::CONNECTION_LAST; j++) {
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list.clear();
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interface.type = static_cast<NetworkChangeNotifier::ConnectionType>(i);
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list.push_back(interface);
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interface.type = static_cast<NetworkChangeNotifier::ConnectionType>(j);
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list.push_back(interface);
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EXPECT_EQ(NetworkChangeNotifier::ConnectionTypeFromInterfaceList(list),
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i == j ? i : NetworkChangeNotifier::CONNECTION_UNKNOWN);
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}
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}
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}
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TEST(NetworkChangeNotifierTest, IgnoreTeredoOnWindows) {
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NetworkInterfaceList list;
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NetworkInterface interface_teredo;
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interface_teredo.type = NetworkChangeNotifier::CONNECTION_ETHERNET;
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interface_teredo.friendly_name = "Teredo Tunneling Pseudo-Interface";
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list.push_back(interface_teredo);
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#if BUILDFLAG(IS_WIN)
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EXPECT_EQ(NetworkChangeNotifier::CONNECTION_NONE,
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NetworkChangeNotifier::ConnectionTypeFromInterfaceList(list));
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#else
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EXPECT_EQ(NetworkChangeNotifier::CONNECTION_ETHERNET,
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NetworkChangeNotifier::ConnectionTypeFromInterfaceList(list));
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#endif
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}
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TEST(NetworkChangeNotifierTest, IgnoreAirdropOnMac) {
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NetworkInterfaceList list;
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NetworkInterface interface_airdrop;
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interface_airdrop.type = NetworkChangeNotifier::CONNECTION_ETHERNET;
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interface_airdrop.name = "awdl0";
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interface_airdrop.friendly_name = "awdl0";
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interface_airdrop.address =
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// Link-local IPv6 address
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IPAddress({0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4});
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list.push_back(interface_airdrop);
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#if BUILDFLAG(IS_APPLE)
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EXPECT_EQ(NetworkChangeNotifier::CONNECTION_NONE,
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NetworkChangeNotifier::ConnectionTypeFromInterfaceList(list));
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#else
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EXPECT_EQ(NetworkChangeNotifier::CONNECTION_ETHERNET,
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NetworkChangeNotifier::ConnectionTypeFromInterfaceList(list));
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#endif
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}
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TEST(NetworkChangeNotifierTest, IgnoreTunnelsOnMac) {
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NetworkInterfaceList list;
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NetworkInterface interface_tunnel;
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interface_tunnel.type = NetworkChangeNotifier::CONNECTION_ETHERNET;
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interface_tunnel.name = "utun0";
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interface_tunnel.friendly_name = "utun0";
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interface_tunnel.address =
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// Link-local IPv6 address
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IPAddress({0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 3, 2, 1});
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list.push_back(interface_tunnel);
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#if BUILDFLAG(IS_APPLE)
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EXPECT_EQ(NetworkChangeNotifier::CONNECTION_NONE,
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NetworkChangeNotifier::ConnectionTypeFromInterfaceList(list));
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#else
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EXPECT_EQ(NetworkChangeNotifier::CONNECTION_ETHERNET,
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NetworkChangeNotifier::ConnectionTypeFromInterfaceList(list));
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#endif
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}
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TEST(NetworkChangeNotifierTest, IgnoreDisconnectedEthernetOnMac) {
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NetworkInterfaceList list;
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NetworkInterface interface_ethernet;
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interface_ethernet.type = NetworkChangeNotifier::CONNECTION_ETHERNET;
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interface_ethernet.name = "en5";
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interface_ethernet.friendly_name = "en5";
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interface_ethernet.address =
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// Link-local IPv6 address
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IPAddress({0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 1, 2, 3});
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list.push_back(interface_ethernet);
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#if BUILDFLAG(IS_APPLE)
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EXPECT_EQ(NetworkChangeNotifier::CONNECTION_NONE,
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NetworkChangeNotifier::ConnectionTypeFromInterfaceList(list));
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#else
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EXPECT_EQ(NetworkChangeNotifier::CONNECTION_ETHERNET,
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NetworkChangeNotifier::ConnectionTypeFromInterfaceList(list));
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#endif
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}
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TEST(NetworkChangeNotifierTest, IgnoreVMInterfaces) {
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NetworkInterfaceList list;
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NetworkInterface interface_vmnet_linux;
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interface_vmnet_linux.type = NetworkChangeNotifier::CONNECTION_ETHERNET;
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interface_vmnet_linux.name = "vmnet1";
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interface_vmnet_linux.friendly_name = "vmnet1";
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list.push_back(interface_vmnet_linux);
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NetworkInterface interface_vmnet_win;
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interface_vmnet_win.type = NetworkChangeNotifier::CONNECTION_ETHERNET;
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interface_vmnet_win.name = "virtualdevice";
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interface_vmnet_win.friendly_name = "VMware Network Adapter VMnet1";
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list.push_back(interface_vmnet_win);
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EXPECT_EQ(NetworkChangeNotifier::CONNECTION_NONE,
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NetworkChangeNotifier::ConnectionTypeFromInterfaceList(list));
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}
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TEST(NetworkChangeNotifierTest, GetConnectionSubtype) {
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// Call GetConnectionSubtype() and ensure that there is no crash.
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NetworkChangeNotifier::GetConnectionSubtype();
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}
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class NetworkChangeNotifierMockedTest : public TestWithTaskEnvironment {
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protected:
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test::ScopedMockNetworkChangeNotifier mock_notifier_;
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};
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class TestDnsObserver : public NetworkChangeNotifier::DNSObserver {
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public:
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void OnDNSChanged() override { ++dns_changed_calls_; }
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int dns_changed_calls() const { return dns_changed_calls_; }
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private:
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int dns_changed_calls_ = 0;
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};
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TEST_F(NetworkChangeNotifierMockedTest, TriggerNonSystemDnsChange) {
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TestDnsObserver observer;
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NetworkChangeNotifier::AddDNSObserver(&observer);
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ASSERT_EQ(0, observer.dns_changed_calls());
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NetworkChangeNotifier::TriggerNonSystemDnsChange();
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base::RunLoop().RunUntilIdle();
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EXPECT_EQ(1, observer.dns_changed_calls());
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NetworkChangeNotifier::RemoveDNSObserver(&observer);
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}
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class TestConnectionCostObserver
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: public NetworkChangeNotifier::ConnectionCostObserver {
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public:
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void OnConnectionCostChanged(
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NetworkChangeNotifier::ConnectionCost cost) override {
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cost_changed_inputs_.push_back(cost);
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++cost_changed_calls_;
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}
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int cost_changed_calls() const { return cost_changed_calls_; }
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std::vector<NetworkChangeNotifier::ConnectionCost> cost_changed_inputs()
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const {
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return cost_changed_inputs_;
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}
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private:
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int cost_changed_calls_ = 0;
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std::vector<NetworkChangeNotifier::ConnectionCost> cost_changed_inputs_;
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};
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TEST_F(NetworkChangeNotifierMockedTest, TriggerConnectionCostChange) {
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TestConnectionCostObserver observer;
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NetworkChangeNotifier::AddConnectionCostObserver(&observer);
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ASSERT_EQ(0, observer.cost_changed_calls());
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NetworkChangeNotifier::NotifyObserversOfConnectionCostChangeForTests(
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NetworkChangeNotifier::CONNECTION_COST_METERED);
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base::RunLoop().RunUntilIdle();
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EXPECT_EQ(1, observer.cost_changed_calls());
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EXPECT_EQ(NetworkChangeNotifier::CONNECTION_COST_METERED,
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observer.cost_changed_inputs()[0]);
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NetworkChangeNotifier::RemoveConnectionCostObserver(&observer);
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NetworkChangeNotifier::NotifyObserversOfConnectionCostChangeForTests(
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NetworkChangeNotifier::CONNECTION_COST_UNMETERED);
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base::RunLoop().RunUntilIdle();
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EXPECT_EQ(1, observer.cost_changed_calls());
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}
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TEST_F(NetworkChangeNotifierMockedTest, ConnectionCostDefaultsToCellular) {
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mock_notifier_.mock_network_change_notifier()
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->SetUseDefaultConnectionCostImplementation(true);
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mock_notifier_.mock_network_change_notifier()->SetConnectionType(
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NetworkChangeNotifier::CONNECTION_4G);
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EXPECT_TRUE(NetworkChangeNotifier::IsConnectionCellular(
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NetworkChangeNotifier::GetConnectionType()));
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EXPECT_EQ(NetworkChangeNotifier::CONNECTION_COST_METERED,
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NetworkChangeNotifier::GetConnectionCost());
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mock_notifier_.mock_network_change_notifier()->SetConnectionType(
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NetworkChangeNotifier::CONNECTION_WIFI);
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EXPECT_FALSE(NetworkChangeNotifier::IsConnectionCellular(
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NetworkChangeNotifier::GetConnectionType()));
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EXPECT_EQ(NetworkChangeNotifier::CONNECTION_COST_UNMETERED,
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NetworkChangeNotifier::GetConnectionCost());
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}
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class NetworkChangeNotifierConnectionCostTest : public TestWithTaskEnvironment {
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public:
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void SetUp() override {
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network_change_notifier_ = NetworkChangeNotifier::CreateIfNeeded();
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}
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private:
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// Allows creating a new NetworkChangeNotifier. Must be created before
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// |network_change_notifier_| and destroyed after it to avoid DCHECK failures.
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NetworkChangeNotifier::DisableForTest disable_for_test_;
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std::unique_ptr<NetworkChangeNotifier> network_change_notifier_;
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};
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TEST_F(NetworkChangeNotifierConnectionCostTest, GetConnectionCost) {
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EXPECT_NE(NetworkChangeNotifier::ConnectionCost::CONNECTION_COST_UNKNOWN,
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NetworkChangeNotifier::GetConnectionCost());
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}
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TEST_F(NetworkChangeNotifierConnectionCostTest, AddObserver) {
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TestConnectionCostObserver observer;
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EXPECT_NO_FATAL_FAILURE(
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NetworkChangeNotifier::AddConnectionCostObserver(&observer));
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// RunUntilIdle because the secondary work resulting from adding an observer
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// may be posted to a task queue.
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base::RunLoop().RunUntilIdle();
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}
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} // namespace net
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