| // 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/core/quic_utils.h" |
| |
| #include "net/quic/core/crypto/crypto_protocol.h" |
| #include "net/quic/core/quic_flags.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| using base::StringPiece; |
| using std::string; |
| |
| namespace net { |
| namespace test { |
| namespace { |
| |
| 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, 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())); |
| } |
| |
| TEST(QuicUtilsTest, HexDump) { |
| // Verify output of the HexDump method is as expected. |
| char packet[] = { |
| 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x2c, 0x20, 0x51, 0x55, 0x49, 0x43, 0x21, |
| 0x20, 0x54, 0x68, 0x69, 0x73, 0x20, 0x73, 0x74, 0x72, 0x69, 0x6e, 0x67, |
| 0x20, 0x73, 0x68, 0x6f, 0x75, 0x6c, 0x64, 0x20, 0x62, 0x65, 0x20, 0x6c, |
| 0x6f, 0x6e, 0x67, 0x20, 0x65, 0x6e, 0x6f, 0x75, 0x67, 0x68, 0x20, 0x74, |
| 0x6f, 0x20, 0x73, 0x70, 0x61, 0x6e, 0x20, 0x6d, 0x75, 0x6c, 0x74, 0x69, |
| 0x70, 0x6c, 0x65, 0x20, 0x6c, 0x69, 0x6e, 0x65, 0x73, 0x20, 0x6f, 0x66, |
| 0x20, 0x6f, 0x75, 0x74, 0x70, 0x75, 0x74, 0x2e, 0x01, 0x02, 0x03, 0x00, |
| }; |
| EXPECT_EQ( |
| QuicUtils::HexDump(packet), |
| "0x0000: 4865 6c6c 6f2c 2051 5549 4321 2054 6869 Hello,.QUIC!.Thi\n" |
| "0x0010: 7320 7374 7269 6e67 2073 686f 756c 6420 s.string.should.\n" |
| "0x0020: 6265 206c 6f6e 6720 656e 6f75 6768 2074 be.long.enough.t\n" |
| "0x0030: 6f20 7370 616e 206d 756c 7469 706c 6520 o.span.multiple.\n" |
| "0x0040: 6c69 6e65 7320 6f66 206f 7574 7075 742e lines.of.output.\n" |
| "0x0050: 0102 03 ...\n"); |
| } |
| |
| } // namespace |
| } // namespace test |
| } // namespace net |