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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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