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// Copyright 2014 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 "quiche/quic/core/quic_socket_address_coder.h"
#include <string>
#include "absl/base/macros.h"
#include "quiche/quic/platform/api/quic_ip_address.h"
#include "quiche/quic/platform/api/quic_ip_address_family.h"
#include "quiche/quic/platform/api/quic_test.h"
namespace quic {
namespace test {
class QuicSocketAddressCoderTest : public QuicTest {};
TEST_F(QuicSocketAddressCoderTest, EncodeIPv4) {
QuicIpAddress ip;
ip.FromString("4.31.198.44");
QuicSocketAddressCoder coder(QuicSocketAddress(ip, 0x1234));
std::string serialized = coder.Encode();
std::string expected("\x02\x00\x04\x1f\xc6\x2c\x34\x12", 8);
EXPECT_EQ(expected, serialized);
}
TEST_F(QuicSocketAddressCoderTest, EncodeIPv6) {
QuicIpAddress ip;
ip.FromString("2001:700:300:1800::f");
QuicSocketAddressCoder coder(QuicSocketAddress(ip, 0x5678));
std::string serialized = coder.Encode();
std::string expected(
"\x0a\x00"
"\x20\x01\x07\x00\x03\x00\x18\x00"
"\x00\x00\x00\x00\x00\x00\x00\x0f"
"\x78\x56",
20);
EXPECT_EQ(expected, serialized);
}
TEST_F(QuicSocketAddressCoderTest, DecodeIPv4) {
std::string serialized("\x02\x00\x04\x1f\xc6\x2c\x34\x12", 8);
QuicSocketAddressCoder coder;
ASSERT_TRUE(coder.Decode(serialized.data(), serialized.length()));
EXPECT_EQ(IpAddressFamily::IP_V4, coder.ip().address_family());
std::string expected_addr("\x04\x1f\xc6\x2c");
EXPECT_EQ(expected_addr, coder.ip().ToPackedString());
EXPECT_EQ(0x1234, coder.port());
}
TEST_F(QuicSocketAddressCoderTest, DecodeIPv6) {
std::string serialized(
"\x0a\x00"
"\x20\x01\x07\x00\x03\x00\x18\x00"
"\x00\x00\x00\x00\x00\x00\x00\x0f"
"\x78\x56",
20);
QuicSocketAddressCoder coder;
ASSERT_TRUE(coder.Decode(serialized.data(), serialized.length()));
EXPECT_EQ(IpAddressFamily::IP_V6, coder.ip().address_family());
std::string expected_addr(
"\x20\x01\x07\x00\x03\x00\x18\x00"
"\x00\x00\x00\x00\x00\x00\x00\x0f",
16);
EXPECT_EQ(expected_addr, coder.ip().ToPackedString());
EXPECT_EQ(0x5678, coder.port());
}
TEST_F(QuicSocketAddressCoderTest, DecodeBad) {
std::string serialized(
"\x0a\x00"
"\x20\x01\x07\x00\x03\x00\x18\x00"
"\x00\x00\x00\x00\x00\x00\x00\x0f"
"\x78\x56",
20);
QuicSocketAddressCoder coder;
EXPECT_TRUE(coder.Decode(serialized.data(), serialized.length()));
// Append junk.
serialized.push_back('\0');
EXPECT_FALSE(coder.Decode(serialized.data(), serialized.length()));
// Undo.
serialized.resize(20);
EXPECT_TRUE(coder.Decode(serialized.data(), serialized.length()));
// Set an unknown address family.
serialized[0] = '\x03';
EXPECT_FALSE(coder.Decode(serialized.data(), serialized.length()));
// Undo.
serialized[0] = '\x0a';
EXPECT_TRUE(coder.Decode(serialized.data(), serialized.length()));
// Truncate.
size_t len = serialized.length();
for (size_t i = 0; i < len; i++) {
ASSERT_FALSE(serialized.empty());
serialized.erase(serialized.length() - 1);
EXPECT_FALSE(coder.Decode(serialized.data(), serialized.length()));
}
EXPECT_TRUE(serialized.empty());
}
TEST_F(QuicSocketAddressCoderTest, EncodeAndDecode) {
struct {
const char* ip_literal;
uint16_t port;
} test_case[] = {
{"93.184.216.119", 0x1234},
{"199.204.44.194", 80},
{"149.20.4.69", 443},
{"127.0.0.1", 8080},
{"2001:700:300:1800::", 0x5678},
{"::1", 65534},
};
for (size_t i = 0; i < ABSL_ARRAYSIZE(test_case); i++) {
QuicIpAddress ip;
ASSERT_TRUE(ip.FromString(test_case[i].ip_literal));
QuicSocketAddressCoder encoder(QuicSocketAddress(ip, test_case[i].port));
std::string serialized = encoder.Encode();
QuicSocketAddressCoder decoder;
ASSERT_TRUE(decoder.Decode(serialized.data(), serialized.length()));
EXPECT_EQ(encoder.ip(), decoder.ip());
EXPECT_EQ(encoder.port(), decoder.port());
}
}
} // namespace test
} // namespace quic
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