git / moonbite-core / src/crc32c/src/crc32c_capi_unittest.c · raw

// Copyright 2017 The CRC32C Authors. All rights reserved.// Use of this source code is governed by a BSD-style license that can be// found in the LICENSE file. See the AUTHORS file for names of contributors.#include "crc32c/crc32c.h"#include <stddef.h>#include <stdint.h>#include <stdio.h>#include <stdlib.h>#include <string.h>int main() {  /* From rfc3720 section B.4. */  uint8_t buf[32];  memset(buf, 0, sizeof(buf));  if ((uint32_t)0x8a9136aa != crc32c_value(buf, sizeof(buf))) {    printf("crc32c_value(zeros) test failed\n");    return 1;  }  memset(buf, 0xff, sizeof(buf));  if ((uint32_t)0x62a8ab43 != crc32c_value(buf, sizeof(buf))) {    printf("crc32c_value(0xff) test failed\n");    return 1;  }  for (size_t i = 0; i < 32; ++i)    buf[i] = (uint8_t)i;  if ((uint32_t)0x46dd794e != crc32c_value(buf, sizeof(buf))) {    printf("crc32c_value(0..31) test failed\n");    return 1;  }  for (size_t i = 0; i < 32; ++i)    buf[i] = (uint8_t)(31 - i);  if ((uint32_t)0x113fdb5c != crc32c_value(buf, sizeof(buf))) {    printf("crc32c_value(31..0) test failed\n");    return 1;  }  uint8_t data[48] = {      0x01, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,      0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00,      0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x18, 0x28, 0x00, 0x00, 0x00,      0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  };  if ((uint32_t)0xd9963a56 != crc32c_value(data, sizeof(data))) {    printf("crc32c_value(31..0) test failed\n");    return 1;  }  const uint8_t* hello_space_world = (const uint8_t*)"hello world";  const uint8_t* hello_space = (const uint8_t*)"hello ";  const uint8_t* world = (const uint8_t*)"world";  if (crc32c_value(hello_space_world, 11) !=      crc32c_extend(crc32c_value(hello_space, 6), world, 5)) {    printf("crc32c_extend test failed\n");    return 1;  }  printf("All tests passed\n");  return 0;}