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 36
