// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <gtest/gtest.h>

#include "cras_checksum.h"
#include "cras_util.h"

namespace {

struct TestCase {
  const char *input;
  uint32_t output;
};

static TestCase test_case[] =
{
  /* The answers can be obtained by a command like "echo -n a | cksum" */
  { "", 4294967295U },
  { "a", 1220704766U },
  { "12345678901234567890", 970143720U },
};

TEST(ChecksumTest, All) {
  for (size_t i = 0; i < ARRAY_SIZE(test_case); i++) {
    const char *input = test_case[i].input;
    uint32_t output = test_case[i].output;
    EXPECT_EQ(output, crc32_checksum((unsigned char *)input, strlen(input)));
  }
}

}  //  namespace

int main(int argc, char **argv) {
  ::testing::InitGoogleTest(&argc, argv);
  return RUN_ALL_TESTS();
}