diff options
Diffstat (limited to 'src/crc32c/src/crc32c_capi_unittest.c')
-rw-r--r-- | src/crc32c/src/crc32c_capi_unittest.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/crc32c/src/crc32c_capi_unittest.c b/src/crc32c/src/crc32c_capi_unittest.c new file mode 100644 index 0000000000..c8993a0959 --- /dev/null +++ b/src/crc32c/src/crc32c_capi_unittest.c @@ -0,0 +1,66 @@ +// 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; +} |