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| 1 /* | |
| 2 * Copyright 2012 The WebRTC Project Authors. All rights reserved. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license | |
| 5 * that can be found in the LICENSE file in the root of the source | |
| 6 * tree. An additional intellectual property rights grant can be found | |
| 7 * in the file PATENTS. All contributing project authors may | |
| 8 * be found in the AUTHORS file in the root of the source tree. | |
| 9 */ | |
| 10 | |
| 11 #include "webrtc/base/crc32.h" | |
| 12 #include "webrtc/base/gunit.h" | |
| 13 | |
| 14 #include <string> | |
| 15 | |
| 16 namespace rtc { | |
| 17 | |
| 18 TEST(Crc32Test, TestBasic) { | |
| 19 EXPECT_EQ(0U, ComputeCrc32("")); | |
| 20 EXPECT_EQ(0x352441C2U, ComputeCrc32("abc")); | |
| 21 EXPECT_EQ(0x171A3F5FU, | |
| 22 ComputeCrc32("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq")); | |
| 23 } | |
| 24 | |
| 25 TEST(Crc32Test, TestMultipleUpdates) { | |
| 26 std::string input = | |
| 27 "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"; | |
| 28 uint32_t c = 0; | |
| 29 for (size_t i = 0; i < input.size(); ++i) { | |
| 30 c = UpdateCrc32(c, &input[i], 1); | |
| 31 } | |
| 32 EXPECT_EQ(0x171A3F5FU, c); | |
| 33 } | |
| 34 | |
| 35 } // namespace rtc | |
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