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henrike@webrtc.org47be73b2014-05-13 18:00:261/*
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
kjellander19796962017-06-30 17:45:2111#include "webrtc/rtc_base/crc32.h"
12#include "webrtc/rtc_base/gunit.h"
henrike@webrtc.org47be73b2014-05-13 18:00:2613
14#include <string>
15
16namespace rtc {
17
18TEST(Crc32Test, TestBasic) {
19 EXPECT_EQ(0U, ComputeCrc32(""));
20 EXPECT_EQ(0x352441C2U, ComputeCrc32("abc"));
21 EXPECT_EQ(0x171A3F5FU,
22 ComputeCrc32("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"));
23}
24
25TEST(Crc32Test, TestMultipleUpdates) {
26 std::string input =
27 "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
Peter Boström07e22e62015-10-07 10:23:2128 uint32_t c = 0;
henrike@webrtc.org47be73b2014-05-13 18:00:2629 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