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// Copyright 2012 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/base/network_interfaces.h"
#include <ostream>
#include <string>
#include <unordered_set>
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "net/base/ip_endpoint.h"
#include "testing/gtest/include/gtest/gtest.h"
#if BUILDFLAG(IS_POSIX) && !BUILDFLAG(IS_ANDROID)
#include <net/if.h>
#elif BUILDFLAG(IS_WIN)
#include <objbase.h>
#include <windows.h>
#include <iphlpapi.h>
#include "base/strings/string_util.h"
#include "base/win/win_util.h"
#endif
namespace net {
namespace {
// Verify GetNetworkList().
TEST(NetworkInterfacesTest, GetNetworkList) {
NetworkInterfaceList list;
ASSERT_TRUE(GetNetworkList(&list, INCLUDE_HOST_SCOPE_VIRTUAL_INTERFACES));
for (auto it = list.begin(); it != list.end(); ++it) {
// Verify that the names are not empty.
EXPECT_FALSE(it->name.empty());
EXPECT_FALSE(it->friendly_name.empty());
// Verify that the address is correct.
EXPECT_TRUE(it->address.IsValid()) << "Invalid address of size "
<< it->address.size();
EXPECT_FALSE(it->address.IsZero());
EXPECT_GT(it->prefix_length, 1u);
EXPECT_LE(it->prefix_length, it->address.size() * 8);
#if BUILDFLAG(IS_WIN)
// On Windows |name| is NET_LUID.
NET_LUID luid;
EXPECT_EQ(static_cast<DWORD>(NO_ERROR),
ConvertInterfaceIndexToLuid(it->interface_index, &luid));
GUID guid;
EXPECT_EQ(static_cast<DWORD>(NO_ERROR),
ConvertInterfaceLuidToGuid(&luid, &guid));
auto name = base::win::WStringFromGUID(guid);
EXPECT_EQ(base::UTF8ToWide(it->name), name);
#elif BUILDFLAG(IS_POSIX) && !BUILDFLAG(IS_ANDROID)
char name[IF_NAMESIZE];
EXPECT_TRUE(if_indextoname(it->interface_index, name));
EXPECT_STREQ(it->name.c_str(), name);
#endif
}
}
TEST(NetworkInterfacesTest, GetWifiSSID) {
// We can't check the result of GetWifiSSID() directly, since the result
// will differ across machines. Simply exercise the code path and hope that it
// doesn't crash.
EXPECT_NE((const char*)nullptr, GetWifiSSID().c_str());
}
TEST(NetworkInterfacesTest, GetHostName) {
// We can't check the result of GetHostName() directly, since the result
// will differ across machines. Our goal here is to simply exercise the
// code path, and check that things "look about right".
std::string hostname = GetHostName();
EXPECT_FALSE(hostname.empty());
}
} // namespace
} // namespace net
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