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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/android/network_library.h"
#include <string>
#include <vector>
#include "base/android/build_info.h"
#include "base/test/task_environment.h"
#include "net/android/network_change_notifier_factory_android.h"
#include "net/base/ip_endpoint.h"
#include "net/base/net_errors.h"
#include "net/log/net_log_source.h"
#include "net/socket/tcp_socket.h"
#include "net/socket/udp_socket.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net::android {
TEST(NetworkLibraryTest, CaptivePortal) {
EXPECT_FALSE(android::GetIsCaptivePortal());
}
TEST(NetworkLibraryTest, GetWifiSignalLevel) {
absl::optional<int32_t> signal_strength = android::GetWifiSignalLevel();
if (!signal_strength.has_value())
return;
EXPECT_LE(0, signal_strength.value());
EXPECT_GE(4, signal_strength.value());
}
TEST(NetworkLibraryTest, GetDnsSearchDomains) {
if (base::android::BuildInfo::GetInstance()->sdk_int() <
base::android::SDK_VERSION_MARSHMALLOW) {
GTEST_SKIP() << "Cannot call or test GetDnsServers() in pre-M.";
}
std::vector<IPEndPoint> dns_servers;
bool dns_over_tls_active;
std::string dns_over_tls_hostname;
std::vector<std::string> search_suffixes;
if (!GetCurrentDnsServers(&dns_servers, &dns_over_tls_active,
&dns_over_tls_hostname, &search_suffixes)) {
return;
}
for (std::string suffix : search_suffixes) {
EXPECT_FALSE(suffix.empty());
}
}
TEST(NetworkLibraryTest, GetDnsSearchDomainsForNetwork) {
base::test::TaskEnvironment task_environment;
if (base::android::BuildInfo::GetInstance()->sdk_int() <
base::android::SDK_VERSION_P) {
GTEST_SKIP() << "Cannot call or test GetDnsServersForNetwork() in pre-P.";
}
NetworkChangeNotifierFactoryAndroid ncn_factory;
NetworkChangeNotifier::DisableForTest ncn_disable_for_test;
std::unique_ptr<NetworkChangeNotifier> ncn(ncn_factory.CreateInstance());
EXPECT_TRUE(NetworkChangeNotifier::AreNetworkHandlesSupported());
auto default_network_handle = NetworkChangeNotifier::GetDefaultNetwork();
if (default_network_handle == handles::kInvalidNetworkHandle)
GTEST_SKIP() << "Could not retrieve a working active network handle.";
std::vector<IPEndPoint> dns_servers;
bool dns_over_tls_active;
std::string dns_over_tls_hostname;
std::vector<std::string> search_suffixes;
if (!GetDnsServersForNetwork(&dns_servers, &dns_over_tls_active,
&dns_over_tls_hostname, &search_suffixes,
default_network_handle)) {
return;
}
for (std::string suffix : search_suffixes) {
EXPECT_FALSE(suffix.empty());
}
}
TEST(NetworkLibraryTest, BindToNetwork) {
base::test::TaskEnvironment task_environment;
NetworkChangeNotifierFactoryAndroid ncn_factory;
NetworkChangeNotifier::DisableForTest ncn_disable_for_test;
std::unique_ptr<NetworkChangeNotifier> ncn(ncn_factory.CreateInstance());
TCPSocket socket_tcp_ipv4(nullptr, nullptr, NetLogSource());
ASSERT_EQ(OK, socket_tcp_ipv4.Open(ADDRESS_FAMILY_IPV4));
TCPSocket socket_tcp_ipv6(nullptr, nullptr, NetLogSource());
ASSERT_EQ(OK, socket_tcp_ipv6.Open(ADDRESS_FAMILY_IPV6));
UDPSocket socket_udp_ipv4(DatagramSocket::DEFAULT_BIND, nullptr,
NetLogSource());
ASSERT_EQ(OK, socket_udp_ipv4.Open(ADDRESS_FAMILY_IPV4));
UDPSocket socket_udp_ipv6(DatagramSocket::DEFAULT_BIND, nullptr,
NetLogSource());
ASSERT_EQ(OK, socket_udp_ipv6.Open(ADDRESS_FAMILY_IPV6));
std::array sockets{socket_tcp_ipv4.SocketDescriptorForTesting(),
socket_tcp_ipv6.SocketDescriptorForTesting(),
socket_udp_ipv4.SocketDescriptorForTesting(),
socket_udp_ipv6.SocketDescriptorForTesting()};
for (SocketDescriptor socket : sockets) {
if (base::android::BuildInfo::GetInstance()->sdk_int() >=
base::android::SDK_VERSION_LOLLIPOP) {
EXPECT_TRUE(NetworkChangeNotifier::AreNetworkHandlesSupported());
// Test successful binding.
handles::NetworkHandle existing_network_handle =
NetworkChangeNotifier::GetDefaultNetwork();
if (existing_network_handle != handles::kInvalidNetworkHandle) {
EXPECT_EQ(OK, BindToNetwork(socket, existing_network_handle));
}
// Test invalid binding.
EXPECT_EQ(ERR_INVALID_ARGUMENT,
BindToNetwork(socket, handles::kInvalidNetworkHandle));
}
// Attempt to bind to a not existing handles::NetworkHandle.
constexpr handles::NetworkHandle wrong_network_handle = 65536;
int rv = BindToNetwork(socket, wrong_network_handle);
if (base::android::BuildInfo::GetInstance()->sdk_int() <
base::android::SDK_VERSION_LOLLIPOP) {
EXPECT_EQ(ERR_NOT_IMPLEMENTED, rv);
} else if (base::android::BuildInfo::GetInstance()->sdk_int() >=
base::android::SDK_VERSION_LOLLIPOP &&
base::android::BuildInfo::GetInstance()->sdk_int() <
base::android::SDK_VERSION_MARSHMALLOW) {
// On Lollipop, we assume if the user has a handles::NetworkHandle that
// they must have gotten it from a legitimate source, so if binding to the
// network fails it's assumed to be because the network went away so
// ERR_NETWORK_CHANGED is returned. In this test the network never existed
// anyhow. ConnectivityService.MAX_NET_ID is 65535, so 65536 won't be
// used.
EXPECT_EQ(ERR_NETWORK_CHANGED, rv);
} else if (base::android::BuildInfo::GetInstance()->sdk_int() >=
base::android::SDK_VERSION_MARSHMALLOW) {
// On Marshmallow and newer releases, the handles::NetworkHandle is munged
// by Network.getNetworkHandle() and 65536 isn't munged so it's rejected.
EXPECT_EQ(ERR_INVALID_ARGUMENT, rv);
}
}
}
} // namespace net::android
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