| // Copyright (c) 2013 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/quic/quic_utils.h" |
| |
| #include "net/quic/crypto/crypto_protocol.h" |
| #include "net/quic/quic_flags.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| using base::StringPiece; |
| using std::string; |
| |
| namespace net { |
| namespace test { |
| namespace { |
| |
| // A test string and a hex+ASCII dump of the same string. |
| const unsigned char kString[] = { |
| 0x00, 0x90, 0x69, 0xbd, 0x54, 0x00, 0x00, 0x0d, 0x61, 0x0f, 0x01, |
| 0x89, 0x08, 0x00, 0x45, 0x00, 0x00, 0x1c, 0xfb, 0x98, 0x40, 0x00, |
| 0x40, 0x01, 0x7e, 0x18, 0xd8, 0xef, 0x23, 0x01, 0x45, 0x5d, 0x7f, |
| 0xe2, 0x08, 0x00, 0x6b, 0xcb, 0x0b, 0xc6, 0x80, 0x6e}; |
| |
| const unsigned char kHexDump[] = |
| "0x0000: 0090 69bd 5400 000d 610f 0189 0800 4500 ..i.T...a.....E.\n" |
| "0x0010: 001c fb98 4000 4001 7e18 d8ef 2301 455d ....@.@.~...#.E]\n" |
| "0x0020: 7fe2 0800 6bcb 0bc6 806e ....k....n\n"; |
| |
| TEST(QuicUtilsTest, StreamErrorToString) { |
| EXPECT_STREQ("QUIC_BAD_APPLICATION_PAYLOAD", |
| QuicUtils::StreamErrorToString(QUIC_BAD_APPLICATION_PAYLOAD)); |
| } |
| |
| TEST(QuicUtilsTest, ErrorToString) { |
| EXPECT_STREQ("QUIC_NO_ERROR", QuicUtils::ErrorToString(QUIC_NO_ERROR)); |
| } |
| |
| TEST(QuicUtilsTest, StringToHexASCIIDumpArgTypes) { |
| // Verify that char*, string and StringPiece are all valid argument types. |
| struct { |
| const string input; |
| const string expected; |
| } tests[] = { |
| { |
| "", "", |
| }, |
| { |
| "A", "0x0000: 41 A\n", |
| }, |
| { |
| "AB", "0x0000: 4142 AB\n", |
| }, |
| { |
| "ABC", "0x0000: 4142 43 ABC\n", |
| }, |
| { |
| "original", |
| "0x0000: 6f72 6967 696e 616c original\n", |
| }, |
| }; |
| |
| for (size_t i = 0; i < arraysize(tests); ++i) { |
| EXPECT_EQ(tests[i].expected, |
| QuicUtils::StringToHexASCIIDump(tests[i].input.c_str())); |
| EXPECT_EQ(tests[i].expected, |
| QuicUtils::StringToHexASCIIDump(tests[i].input)); |
| EXPECT_EQ(tests[i].expected, |
| QuicUtils::StringToHexASCIIDump(StringPiece(tests[i].input))); |
| } |
| } |
| |
| TEST(QuicUtilsTest, StringToHexASCIIDumpSuccess) { |
| EXPECT_EQ(string(reinterpret_cast<const char*>(kHexDump)), |
| QuicUtils::StringToHexASCIIDump(string( |
| reinterpret_cast<const char*>(kString), sizeof(kString)))); |
| } |
| |
| TEST(QuicUtilsTest, TagToString) { |
| EXPECT_EQ("SCFG", QuicUtils::TagToString(kSCFG)); |
| EXPECT_EQ("SNO ", QuicUtils::TagToString(kServerNonceTag)); |
| EXPECT_EQ("CRT ", QuicUtils::TagToString(kCertificateTag)); |
| EXPECT_EQ("CHLO", QuicUtils::TagToString(MakeQuicTag('C', 'H', 'L', 'O'))); |
| // A tag that contains a non-printing character will be printed as a decimal |
| // number. |
| EXPECT_EQ("525092931", |
| QuicUtils::TagToString(MakeQuicTag('C', 'H', 'L', '\x1f'))); |
| } |
| |
| TEST(QuicUtilsTest, ParseQuicConnectionOptions) { |
| QuicTagVector empty_options = QuicUtils::ParseQuicConnectionOptions(""); |
| EXPECT_EQ(0ul, empty_options.size()); |
| |
| QuicTagVector parsed_options = |
| QuicUtils::ParseQuicConnectionOptions("TIMER,TBBR,REJ"); |
| QuicTagVector expected_options; |
| expected_options.push_back(kTIME); |
| expected_options.push_back(kTBBR); |
| expected_options.push_back(kREJ); |
| EXPECT_EQ(expected_options, parsed_options); |
| } |
| |
| TEST(QuicUtilsTest, DetermineAddressChangeType) { |
| const string kIPv4String1 = "1.2.3.4"; |
| const string kIPv4String2 = "1.2.3.5"; |
| const string kIPv4String3 = "1.1.3.5"; |
| const string kIPv6String1 = "2001:700:300:1800::f"; |
| const string kIPv6String2 = "2001:700:300:1800:1:1:1:f"; |
| IPEndPoint old_address; |
| IPEndPoint new_address; |
| IPAddress address; |
| |
| EXPECT_EQ(NO_CHANGE, |
| QuicUtils::DetermineAddressChangeType(old_address, new_address)); |
| ASSERT_TRUE(address.AssignFromIPLiteral(kIPv4String1)); |
| old_address = IPEndPoint(address, 1234); |
| EXPECT_EQ(NO_CHANGE, |
| QuicUtils::DetermineAddressChangeType(old_address, new_address)); |
| new_address = IPEndPoint(address, 1234); |
| EXPECT_EQ(NO_CHANGE, |
| QuicUtils::DetermineAddressChangeType(old_address, new_address)); |
| |
| new_address = IPEndPoint(address, 5678); |
| EXPECT_EQ(PORT_CHANGE, |
| QuicUtils::DetermineAddressChangeType(old_address, new_address)); |
| ASSERT_TRUE(address.AssignFromIPLiteral(kIPv6String1)); |
| old_address = IPEndPoint(address, 1234); |
| new_address = IPEndPoint(address, 5678); |
| EXPECT_EQ(PORT_CHANGE, |
| QuicUtils::DetermineAddressChangeType(old_address, new_address)); |
| |
| ASSERT_TRUE(address.AssignFromIPLiteral(kIPv4String1)); |
| old_address = IPEndPoint(address, 1234); |
| ASSERT_TRUE(address.AssignFromIPLiteral(kIPv6String1)); |
| new_address = IPEndPoint(address, 1234); |
| EXPECT_EQ(IPV4_TO_IPV6_CHANGE, |
| QuicUtils::DetermineAddressChangeType(old_address, new_address)); |
| |
| old_address = IPEndPoint(address, 1234); |
| ASSERT_TRUE(address.AssignFromIPLiteral(kIPv4String1)); |
| new_address = IPEndPoint(address, 1234); |
| EXPECT_EQ(IPV6_TO_IPV4_CHANGE, |
| QuicUtils::DetermineAddressChangeType(old_address, new_address)); |
| |
| ASSERT_TRUE(address.AssignFromIPLiteral(kIPv6String2)); |
| new_address = IPEndPoint(address, 1234); |
| EXPECT_EQ(IPV6_TO_IPV6_CHANGE, |
| QuicUtils::DetermineAddressChangeType(old_address, new_address)); |
| |
| ASSERT_TRUE(address.AssignFromIPLiteral(kIPv4String1)); |
| old_address = IPEndPoint(address, 1234); |
| ASSERT_TRUE(address.AssignFromIPLiteral(kIPv4String2)); |
| new_address = IPEndPoint(address, 1234); |
| EXPECT_EQ(IPV4_SUBNET_CHANGE, |
| QuicUtils::DetermineAddressChangeType(old_address, new_address)); |
| ASSERT_TRUE(address.AssignFromIPLiteral(kIPv4String3)); |
| new_address = IPEndPoint(address, 1234); |
| EXPECT_EQ(UNSPECIFIED_CHANGE, |
| QuicUtils::DetermineAddressChangeType(old_address, new_address)); |
| } |
| |
| uint128 IncrementalHashReference(const void* data, size_t len) { |
| // The two constants are defined as part of the hash algorithm. |
| // see http://www.isthe.com/chongo/tech/comp/fnv/ |
| // hash = 144066263297769815596495629667062367629 |
| uint128 hash = |
| uint128(UINT64_C(7809847782465536322), UINT64_C(7113472399480571277)); |
| // kPrime = 309485009821345068724781371 |
| const uint128 kPrime(16777216, 315); |
| const uint8_t* octets = reinterpret_cast<const uint8_t*>(data); |
| for (size_t i = 0; i < len; ++i) { |
| hash = hash ^ uint128(0, octets[i]); |
| hash = hash * kPrime; |
| } |
| return hash; |
| } |
| |
| TEST(QuicUtilsHashTest, ReferenceTest) { |
| std::vector<uint8_t> data(32); |
| for (size_t i = 0; i < data.size(); ++i) { |
| data[i] = i % 255; |
| } |
| EXPECT_EQ(IncrementalHashReference(data.data(), data.size()), |
| QuicUtils::FNV1a_128_Hash( |
| reinterpret_cast<const char*>(data.data()), data.size())); |
| } |
| |
| } // namespace |
| } // namespace test |
| } // namespace net |