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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/base/ip_endpoint.h"
#include "base/string_number_conversions.h"
#include "net/base/net_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/platform_test.h"
#if defined(OS_WIN)
#include <winsock2.h>
#elif defined(OS_POSIX)
#include <netinet/in.h>
#endif
namespace net {
namespace {
struct TestData {
std::string host;
std::string host_normalized;
bool ipv6;
IPAddressNumber ip_address;
} tests[] = {
{ "127.0.00.1", "127.0.0.1", false},
{ "192.168.1.1", "192.168.1.1", false },
{ "::1", "[::1]", true },
{ "2001:db8:0::42", "[2001:db8::42]", true },
};
int test_count = ARRAYSIZE_UNSAFE(tests);
class IPEndPointTest : public PlatformTest {
public:
virtual void SetUp() {
// This is where we populate the TestData.
for (int index = 0; index < test_count; ++index) {
EXPECT_TRUE(ParseIPLiteralToNumber(tests[index].host,
&tests[index].ip_address));
}
}
};
TEST_F(IPEndPointTest, Constructor) {
IPEndPoint endpoint;
EXPECT_EQ(0, endpoint.port());
for (int index = 0; index < test_count; ++index) {
IPEndPoint endpoint(tests[index].ip_address, 80);
EXPECT_EQ(80, endpoint.port());
EXPECT_EQ(tests[index].ip_address, endpoint.address());
}
}
TEST_F(IPEndPointTest, Assignment) {
for (int index = 0; index < test_count; ++index) {
IPEndPoint src(tests[index].ip_address, index);
IPEndPoint dest = src;
EXPECT_EQ(src.port(), dest.port());
EXPECT_EQ(src.address(), dest.address());
}
}
TEST_F(IPEndPointTest, Copy) {
for (int index = 0; index < test_count; ++index) {
IPEndPoint src(tests[index].ip_address, index);
IPEndPoint dest(src);
EXPECT_EQ(src.port(), dest.port());
EXPECT_EQ(src.address(), dest.address());
}
}
TEST_F(IPEndPointTest, ToFromSockAddr) {
for (int index = 0; index < test_count; ++index) {
IPEndPoint ip_endpoint(tests[index].ip_address, index);
// Convert to a sockaddr.
SockaddrStorage storage;
EXPECT_TRUE(ip_endpoint.ToSockAddr(storage.addr, &storage.addr_len));
// Basic verification.
socklen_t expected_size = tests[index].ipv6 ?
sizeof(struct sockaddr_in6) : sizeof(struct sockaddr_in);
EXPECT_EQ(expected_size, storage.addr_len);
EXPECT_EQ(ip_endpoint.port(), GetPortFromSockaddr(storage.addr,
storage.addr_len));
// And convert back to an IPEndPoint.
IPEndPoint ip_endpoint2;
EXPECT_TRUE(ip_endpoint2.FromSockAddr(storage.addr, storage.addr_len));
EXPECT_EQ(ip_endpoint.port(), ip_endpoint2.port());
EXPECT_EQ(ip_endpoint.address(), ip_endpoint2.address());
}
}
TEST_F(IPEndPointTest, ToSockAddrBufTooSmall) {
for (int index = 0; index < test_count; ++index) {
IPEndPoint ip_endpoint(tests[index].ip_address, index);
SockaddrStorage storage;
storage.addr_len = index; // size is too small!
EXPECT_FALSE(ip_endpoint.ToSockAddr(storage.addr, &storage.addr_len));
}
}
TEST_F(IPEndPointTest, FromSockAddrBufTooSmall) {
struct sockaddr_in addr;
memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
IPEndPoint ip_endpoint;
struct sockaddr* sockaddr = reinterpret_cast<struct sockaddr*>(&addr);
EXPECT_FALSE(ip_endpoint.FromSockAddr(sockaddr, sizeof(addr) - 1));
}
TEST_F(IPEndPointTest, Equality) {
for (int index = 0; index < test_count; ++index) {
IPEndPoint src(tests[index].ip_address, index);
IPEndPoint dest(src);
EXPECT_TRUE(src == dest);
}
}
TEST_F(IPEndPointTest, LessThan) {
// Vary by port.
IPEndPoint ip_endpoint1(tests[0].ip_address, 100);
IPEndPoint ip_endpoint2(tests[0].ip_address, 1000);
EXPECT_TRUE(ip_endpoint1 < ip_endpoint2);
EXPECT_FALSE(ip_endpoint2 < ip_endpoint1);
// IPv4 vs IPv6
ip_endpoint1 = IPEndPoint(tests[0].ip_address, 81);
ip_endpoint2 = IPEndPoint(tests[2].ip_address, 80);
EXPECT_TRUE(ip_endpoint1 < ip_endpoint2);
EXPECT_FALSE(ip_endpoint2 < ip_endpoint1);
// IPv4 vs IPv4
ip_endpoint1 = IPEndPoint(tests[0].ip_address, 81);
ip_endpoint2 = IPEndPoint(tests[1].ip_address, 80);
EXPECT_TRUE(ip_endpoint1 < ip_endpoint2);
EXPECT_FALSE(ip_endpoint2 < ip_endpoint1);
// IPv6 vs IPv6
ip_endpoint1 = IPEndPoint(tests[2].ip_address, 81);
ip_endpoint2 = IPEndPoint(tests[3].ip_address, 80);
EXPECT_TRUE(ip_endpoint1 < ip_endpoint2);
EXPECT_FALSE(ip_endpoint2 < ip_endpoint1);
// Compare equivalent endpoints.
ip_endpoint1 = IPEndPoint(tests[0].ip_address, 80);
ip_endpoint2 = IPEndPoint(tests[0].ip_address, 80);
EXPECT_FALSE(ip_endpoint1 < ip_endpoint2);
EXPECT_FALSE(ip_endpoint2 < ip_endpoint1);
}
TEST_F(IPEndPointTest, ToString) {
IPEndPoint endpoint;
EXPECT_EQ(0, endpoint.port());
for (int index = 0; index < test_count; ++index) {
int port = 100 + index;
IPEndPoint endpoint(tests[index].ip_address, port);
const std::string result = endpoint.ToString();
if (tests[index].ipv6 && result.empty()) {
// NetAddressToStringWithPort may fail on systems without IPv6.
continue;
}
EXPECT_EQ(tests[index].host_normalized + ":" + base::IntToString(port),
result);
}
}
} // namespace
} // namespace net
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