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// Copyright (c) 2019 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 "quic/platform/api/quic_ip_address.h"
#include <cstdint>
#include "quic/platform/api/quic_test.h"
namespace quic {
namespace test {
namespace {
TEST(QuicIpAddressTest, IPv4) {
QuicIpAddress ip_address;
EXPECT_FALSE(ip_address.IsInitialized());
EXPECT_TRUE(ip_address.FromString("127.0.52.223"));
EXPECT_TRUE(ip_address.IsInitialized());
EXPECT_EQ(IpAddressFamily::IP_V4, ip_address.address_family());
EXPECT_TRUE(ip_address.IsIPv4());
EXPECT_FALSE(ip_address.IsIPv6());
EXPECT_EQ("127.0.52.223", ip_address.ToString());
const in_addr v4_address = ip_address.GetIPv4();
const uint8_t* const v4_address_ptr =
reinterpret_cast<const uint8_t*>(&v4_address);
EXPECT_EQ(127u, *(v4_address_ptr + 0));
EXPECT_EQ(0u, *(v4_address_ptr + 1));
EXPECT_EQ(52u, *(v4_address_ptr + 2));
EXPECT_EQ(223u, *(v4_address_ptr + 3));
}
TEST(QuicIpAddressTest, IPv6) {
QuicIpAddress ip_address;
EXPECT_FALSE(ip_address.IsInitialized());
EXPECT_TRUE(ip_address.FromString("fe80::1ff:fe23:4567"));
EXPECT_TRUE(ip_address.IsInitialized());
EXPECT_EQ(IpAddressFamily::IP_V6, ip_address.address_family());
EXPECT_FALSE(ip_address.IsIPv4());
EXPECT_TRUE(ip_address.IsIPv6());
EXPECT_EQ("fe80::1ff:fe23:4567", ip_address.ToString());
const in6_addr v6_address = ip_address.GetIPv6();
const uint16_t* const v6_address_ptr =
reinterpret_cast<const uint16_t*>(&v6_address);
EXPECT_EQ(0x80feu, *(v6_address_ptr + 0));
EXPECT_EQ(0x0000u, *(v6_address_ptr + 1));
EXPECT_EQ(0x0000u, *(v6_address_ptr + 2));
EXPECT_EQ(0x0000u, *(v6_address_ptr + 3));
EXPECT_EQ(0x0000u, *(v6_address_ptr + 4));
EXPECT_EQ(0xff01u, *(v6_address_ptr + 5));
EXPECT_EQ(0x23feu, *(v6_address_ptr + 6));
EXPECT_EQ(0x6745u, *(v6_address_ptr + 7));
EXPECT_EQ(ip_address, ip_address.Normalized());
EXPECT_EQ(ip_address, ip_address.DualStacked());
}
TEST(QuicIpAddressTest, FromPackedString) {
QuicIpAddress loopback4, loopback6;
const char loopback4_packed[] = "\x7f\0\0\x01";
const char loopback6_packed[] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\x01";
EXPECT_TRUE(loopback4.FromPackedString(loopback4_packed, 4));
EXPECT_TRUE(loopback6.FromPackedString(loopback6_packed, 16));
EXPECT_EQ(loopback4, QuicIpAddress::Loopback4());
EXPECT_EQ(loopback6, QuicIpAddress::Loopback6());
}
TEST(QuicIpAddressTest, MappedAddress) {
QuicIpAddress ipv4_address;
QuicIpAddress mapped_address;
EXPECT_TRUE(ipv4_address.FromString("127.0.0.1"));
EXPECT_TRUE(mapped_address.FromString("::ffff:7f00:1"));
EXPECT_EQ(mapped_address, ipv4_address.DualStacked());
EXPECT_EQ(ipv4_address, mapped_address.Normalized());
}
TEST(QuicIpAddressTest, Subnets) {
struct {
const char* address1;
const char* address2;
int subnet_size;
bool same_subnet;
} test_cases[] = {
{"127.0.0.1", "127.0.0.2", 24, true},
{"8.8.8.8", "127.0.0.1", 24, false},
{"8.8.8.8", "127.0.0.1", 16, false},
{"8.8.8.8", "127.0.0.1", 8, false},
{"8.8.8.8", "127.0.0.1", 2, false},
{"8.8.8.8", "127.0.0.1", 1, true},
{"127.0.0.1", "127.0.0.128", 24, true},
{"127.0.0.1", "127.0.0.128", 25, false},
{"127.0.0.1", "127.0.0.127", 25, true},
{"127.0.0.1", "127.0.0.0", 30, true},
{"127.0.0.1", "127.0.0.1", 30, true},
{"127.0.0.1", "127.0.0.2", 30, true},
{"127.0.0.1", "127.0.0.3", 30, true},
{"127.0.0.1", "127.0.0.4", 30, false},
{"127.0.0.1", "127.0.0.2", 31, false},
{"127.0.0.1", "127.0.0.0", 31, true},
{"::1", "fe80::1", 8, false},
{"::1", "fe80::1", 1, false},
{"::1", "fe80::1", 0, true},
{"fe80::1", "fe80::2", 126, true},
{"fe80::1", "fe80::2", 127, false},
};
for (const auto& test_case : test_cases) {
QuicIpAddress address1, address2;
ASSERT_TRUE(address1.FromString(test_case.address1));
ASSERT_TRUE(address2.FromString(test_case.address2));
EXPECT_EQ(test_case.same_subnet,
address1.InSameSubnet(address2, test_case.subnet_size))
<< "Addresses: " << test_case.address1 << ", " << test_case.address2
<< "; subnet: /" << test_case.subnet_size;
}
}
TEST(QuicIpAddress, LoopbackAddresses) {
QuicIpAddress loopback4;
QuicIpAddress loopback6;
ASSERT_TRUE(loopback4.FromString("127.0.0.1"));
ASSERT_TRUE(loopback6.FromString("::1"));
EXPECT_EQ(loopback4, QuicIpAddress::Loopback4());
EXPECT_EQ(loopback6, QuicIpAddress::Loopback6());
}
} // namespace
} // namespace test
} // namespace quic
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