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Diffstat (limited to 'third_party/libwebrtc/net/dcsctp/packet/crc32c_test.cc')
-rw-r--r-- | third_party/libwebrtc/net/dcsctp/packet/crc32c_test.cc | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/third_party/libwebrtc/net/dcsctp/packet/crc32c_test.cc b/third_party/libwebrtc/net/dcsctp/packet/crc32c_test.cc new file mode 100644 index 0000000000..0821c4ef75 --- /dev/null +++ b/third_party/libwebrtc/net/dcsctp/packet/crc32c_test.cc @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2021 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ +#include "net/dcsctp/packet/crc32c.h" + +#include "test/gmock.h" + +namespace dcsctp { +namespace { + +constexpr std::array<const uint8_t, 0> kEmpty = {}; +constexpr std::array<const uint8_t, 1> kZero = {0}; +constexpr std::array<const uint8_t, 4> kManyZeros = {0, 0, 0, 0}; +constexpr std::array<const uint8_t, 4> kShort = {1, 2, 3, 4}; +constexpr std::array<const uint8_t, 8> kLong = {1, 2, 3, 4, 5, 6, 7, 8}; +// https://tools.ietf.org/html/rfc3720#appendix-B.4 +constexpr std::array<const uint8_t, 32> k32Zeros = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; +constexpr std::array<const uint8_t, 32> k32Ones = { + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; +constexpr std::array<const uint8_t, 32> k32Incrementing = { + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31}; +constexpr std::array<const uint8_t, 32> k32Decrementing = { + 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, + 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0}; +constexpr std::array<const uint8_t, 48> kISCSICommandPDU = { + 0x01, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, + 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x18, 0x28, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +}; + +TEST(Crc32Test, TestVectors) { + EXPECT_EQ(GenerateCrc32C(kEmpty), 0U); + EXPECT_EQ(GenerateCrc32C(kZero), 0x51537d52U); + EXPECT_EQ(GenerateCrc32C(kManyZeros), 0xc74b6748U); + EXPECT_EQ(GenerateCrc32C(kShort), 0xf48c3029U); + EXPECT_EQ(GenerateCrc32C(kLong), 0x811f8946U); + // https://tools.ietf.org/html/rfc3720#appendix-B.4 + EXPECT_EQ(GenerateCrc32C(k32Zeros), 0xaa36918aU); + EXPECT_EQ(GenerateCrc32C(k32Ones), 0x43aba862U); + EXPECT_EQ(GenerateCrc32C(k32Incrementing), 0x4e79dd46U); + EXPECT_EQ(GenerateCrc32C(k32Decrementing), 0x5cdb3f11U); + EXPECT_EQ(GenerateCrc32C(kISCSICommandPDU), 0x563a96d9U); +} + +} // namespace +} // namespace dcsctp |