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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "net/quic/quic_utils.h" | |
| 6 | |
| 7 #include "net/quic/crypto/crypto_protocol.h" | |
| 8 #include "net/quic/quic_flags.h" | |
| 9 #include "testing/gtest/include/gtest/gtest.h" | |
| 10 | |
| 11 using base::StringPiece; | |
| 12 using std::string; | |
| 13 | |
| 14 namespace net { | |
| 15 namespace test { | |
| 16 namespace { | |
| 17 | |
| 18 TEST(QuicUtilsTest, StreamErrorToString) { | |
| 19 EXPECT_STREQ("QUIC_BAD_APPLICATION_PAYLOAD", | |
| 20 QuicUtils::StreamErrorToString(QUIC_BAD_APPLICATION_PAYLOAD)); | |
| 21 } | |
| 22 | |
| 23 TEST(QuicUtilsTest, ErrorToString) { | |
| 24 EXPECT_STREQ("QUIC_NO_ERROR", QuicUtils::ErrorToString(QUIC_NO_ERROR)); | |
| 25 } | |
| 26 | |
| 27 TEST(QuicUtilsTest, TagToString) { | |
| 28 EXPECT_EQ("SCFG", QuicUtils::TagToString(kSCFG)); | |
| 29 EXPECT_EQ("SNO ", QuicUtils::TagToString(kServerNonceTag)); | |
| 30 EXPECT_EQ("CRT ", QuicUtils::TagToString(kCertificateTag)); | |
| 31 EXPECT_EQ("CHLO", QuicUtils::TagToString(MakeQuicTag('C', 'H', 'L', 'O'))); | |
| 32 // A tag that contains a non-printing character will be printed as a decimal | |
| 33 // number. | |
| 34 EXPECT_EQ("525092931", | |
| 35 QuicUtils::TagToString(MakeQuicTag('C', 'H', 'L', '\x1f'))); | |
| 36 } | |
| 37 | |
| 38 TEST(QuicUtilsTest, ParseQuicConnectionOptions) { | |
| 39 QuicTagVector empty_options = QuicUtils::ParseQuicConnectionOptions(""); | |
| 40 EXPECT_EQ(0ul, empty_options.size()); | |
| 41 | |
| 42 QuicTagVector parsed_options = | |
| 43 QuicUtils::ParseQuicConnectionOptions("TIMER,TBBR,REJ"); | |
| 44 QuicTagVector expected_options; | |
| 45 expected_options.push_back(kTIME); | |
| 46 expected_options.push_back(kTBBR); | |
| 47 expected_options.push_back(kREJ); | |
| 48 EXPECT_EQ(expected_options, parsed_options); | |
| 49 } | |
| 50 | |
| 51 TEST(QuicUtilsTest, DetermineAddressChangeType) { | |
| 52 const string kIPv4String1 = "1.2.3.4"; | |
| 53 const string kIPv4String2 = "1.2.3.5"; | |
| 54 const string kIPv4String3 = "1.1.3.5"; | |
| 55 const string kIPv6String1 = "2001:700:300:1800::f"; | |
| 56 const string kIPv6String2 = "2001:700:300:1800:1:1:1:f"; | |
| 57 IPEndPoint old_address; | |
| 58 IPEndPoint new_address; | |
| 59 IPAddress address; | |
| 60 | |
| 61 EXPECT_EQ(NO_CHANGE, | |
| 62 QuicUtils::DetermineAddressChangeType(old_address, new_address)); | |
| 63 ASSERT_TRUE(address.AssignFromIPLiteral(kIPv4String1)); | |
| 64 old_address = IPEndPoint(address, 1234); | |
| 65 EXPECT_EQ(NO_CHANGE, | |
| 66 QuicUtils::DetermineAddressChangeType(old_address, new_address)); | |
| 67 new_address = IPEndPoint(address, 1234); | |
| 68 EXPECT_EQ(NO_CHANGE, | |
| 69 QuicUtils::DetermineAddressChangeType(old_address, new_address)); | |
| 70 | |
| 71 new_address = IPEndPoint(address, 5678); | |
| 72 EXPECT_EQ(PORT_CHANGE, | |
| 73 QuicUtils::DetermineAddressChangeType(old_address, new_address)); | |
| 74 ASSERT_TRUE(address.AssignFromIPLiteral(kIPv6String1)); | |
| 75 old_address = IPEndPoint(address, 1234); | |
| 76 new_address = IPEndPoint(address, 5678); | |
| 77 EXPECT_EQ(PORT_CHANGE, | |
| 78 QuicUtils::DetermineAddressChangeType(old_address, new_address)); | |
| 79 | |
| 80 ASSERT_TRUE(address.AssignFromIPLiteral(kIPv4String1)); | |
| 81 old_address = IPEndPoint(address, 1234); | |
| 82 ASSERT_TRUE(address.AssignFromIPLiteral(kIPv6String1)); | |
| 83 new_address = IPEndPoint(address, 1234); | |
| 84 EXPECT_EQ(IPV4_TO_IPV6_CHANGE, | |
| 85 QuicUtils::DetermineAddressChangeType(old_address, new_address)); | |
| 86 | |
| 87 old_address = IPEndPoint(address, 1234); | |
| 88 ASSERT_TRUE(address.AssignFromIPLiteral(kIPv4String1)); | |
| 89 new_address = IPEndPoint(address, 1234); | |
| 90 EXPECT_EQ(IPV6_TO_IPV4_CHANGE, | |
| 91 QuicUtils::DetermineAddressChangeType(old_address, new_address)); | |
| 92 | |
| 93 ASSERT_TRUE(address.AssignFromIPLiteral(kIPv6String2)); | |
| 94 new_address = IPEndPoint(address, 1234); | |
| 95 EXPECT_EQ(IPV6_TO_IPV6_CHANGE, | |
| 96 QuicUtils::DetermineAddressChangeType(old_address, new_address)); | |
| 97 | |
| 98 ASSERT_TRUE(address.AssignFromIPLiteral(kIPv4String1)); | |
| 99 old_address = IPEndPoint(address, 1234); | |
| 100 ASSERT_TRUE(address.AssignFromIPLiteral(kIPv4String2)); | |
| 101 new_address = IPEndPoint(address, 1234); | |
| 102 EXPECT_EQ(IPV4_SUBNET_CHANGE, | |
| 103 QuicUtils::DetermineAddressChangeType(old_address, new_address)); | |
| 104 ASSERT_TRUE(address.AssignFromIPLiteral(kIPv4String3)); | |
| 105 new_address = IPEndPoint(address, 1234); | |
| 106 EXPECT_EQ(UNSPECIFIED_CHANGE, | |
| 107 QuicUtils::DetermineAddressChangeType(old_address, new_address)); | |
| 108 } | |
| 109 | |
| 110 uint128 IncrementalHashReference(const void* data, size_t len) { | |
| 111 // The two constants are defined as part of the hash algorithm. | |
| 112 // see http://www.isthe.com/chongo/tech/comp/fnv/ | |
| 113 // hash = 144066263297769815596495629667062367629 | |
| 114 uint128 hash = | |
| 115 uint128(UINT64_C(7809847782465536322), UINT64_C(7113472399480571277)); | |
| 116 // kPrime = 309485009821345068724781371 | |
| 117 const uint128 kPrime(16777216, 315); | |
| 118 const uint8_t* octets = reinterpret_cast<const uint8_t*>(data); | |
| 119 for (size_t i = 0; i < len; ++i) { | |
| 120 hash = hash ^ uint128(0, octets[i]); | |
| 121 hash = hash * kPrime; | |
| 122 } | |
| 123 return hash; | |
| 124 } | |
| 125 | |
| 126 TEST(QuicUtilsHashTest, ReferenceTest) { | |
| 127 std::vector<uint8_t> data(32); | |
| 128 for (size_t i = 0; i < data.size(); ++i) { | |
| 129 data[i] = i % 255; | |
| 130 } | |
| 131 EXPECT_EQ(IncrementalHashReference(data.data(), data.size()), | |
| 132 QuicUtils::FNV1a_128_Hash( | |
| 133 reinterpret_cast<const char*>(data.data()), data.size())); | |
| 134 } | |
| 135 | |
| 136 TEST(QuicUtilsTest, HexDump) { | |
| 137 // Verify output of the HexDump method is as expected. | |
| 138 char packet[] = { | |
| 139 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x2c, 0x20, 0x51, 0x55, 0x49, 0x43, 0x21, | |
| 140 0x20, 0x54, 0x68, 0x69, 0x73, 0x20, 0x73, 0x74, 0x72, 0x69, 0x6e, 0x67, | |
| 141 0x20, 0x73, 0x68, 0x6f, 0x75, 0x6c, 0x64, 0x20, 0x62, 0x65, 0x20, 0x6c, | |
| 142 0x6f, 0x6e, 0x67, 0x20, 0x65, 0x6e, 0x6f, 0x75, 0x67, 0x68, 0x20, 0x74, | |
| 143 0x6f, 0x20, 0x73, 0x70, 0x61, 0x6e, 0x20, 0x6d, 0x75, 0x6c, 0x74, 0x69, | |
| 144 0x70, 0x6c, 0x65, 0x20, 0x6c, 0x69, 0x6e, 0x65, 0x73, 0x20, 0x6f, 0x66, | |
| 145 0x20, 0x6f, 0x75, 0x74, 0x70, 0x75, 0x74, 0x2e, 0x01, 0x02, 0x03, 0x00, | |
| 146 }; | |
| 147 EXPECT_EQ( | |
| 148 QuicUtils::HexDump(packet), | |
| 149 "0x0000: 4865 6c6c 6f2c 2051 5549 4321 2054 6869 Hello,.QUIC!.Thi\n" | |
| 150 "0x0010: 7320 7374 7269 6e67 2073 686f 756c 6420 s.string.should.\n" | |
| 151 "0x0020: 6265 206c 6f6e 6720 656e 6f75 6768 2074 be.long.enough.t\n" | |
| 152 "0x0030: 6f20 7370 616e 206d 756c 7469 706c 6520 o.span.multiple.\n" | |
| 153 "0x0040: 6c69 6e65 7320 6f66 206f 7574 7075 742e lines.of.output.\n" | |
| 154 "0x0050: 0102 03 ...\n"); | |
| 155 } | |
| 156 | |
| 157 } // namespace | |
| 158 } // namespace test | |
| 159 } // namespace net | |
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