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/*
* Copyright 2012 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 "rtc_base/crc32.h"
#include <string>
#include "test/gtest.h"
namespace rtc {
TEST(Crc32Test, TestBasic) {
EXPECT_EQ(0U, ComputeCrc32(""));
EXPECT_EQ(0x352441C2U, ComputeCrc32("abc"));
EXPECT_EQ(
0x171A3F5FU,
ComputeCrc32("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"));
}
TEST(Crc32Test, TestMultipleUpdates) {
std::string input =
"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq";
uint32_t c = 0;
for (size_t i = 0; i < input.size(); ++i) {
c = UpdateCrc32(c, &input[i], 1);
}
EXPECT_EQ(0x171A3F5FU, c);
}
} // namespace rtc
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