deps/libchdr/deps/zstd-1.5.5/contrib/linux-kernel/test/static_test.c

   1 /*
   2  * Copyright (c) Meta Platforms, Inc. and affiliates.
   3  * All rights reserved.
   4  *
   5  * This source code is licensed under both the BSD-style license (found in the
   6  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
   7  * in the COPYING file in the root directory of this source tree).
   8  * You may select, at your option, one of the above-listed licenses.
   9  */
  10 #include <stddef.h>
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13 #include <string.h>
  14
  15 #include "decompress_sources.h"
  16 #include <linux/zstd.h>
  17
  18 #define CONTROL(x)                                                             \
  19   do {                                                                         \
  20     if (!(x)) {                                                                \
  21       fprintf(stderr, "%s:%u: %s failed!\n", __FUNCTION__, __LINE__, #x);      \
  22       abort();                                                                 \
  23     }                                                                          \
  24   } while (0)
  25
  26
  27 static const char kEmptyZstdFrame[] = {
  28     0x28, 0xb5, 0x2f, 0xfd, 0x24, 0x00, 0x01, 0x00, 0x00, 0x99, 0xe9, 0xd8, 0x51
  29 };
  30
  31 static void test_decompress_unzstd(void) {
  32     fprintf(stderr, "Testing decompress unzstd... ");
  33     {
  34         size_t const wkspSize = zstd_dctx_workspace_bound();
  35         void* wksp = malloc(wkspSize);
  36         ZSTD_DCtx* dctx = zstd_init_dctx(wksp, wkspSize);
  37         CONTROL(wksp != NULL);
  38         CONTROL(dctx != NULL);
  39         {
  40           size_t const dSize = zstd_decompress_dctx(dctx, NULL, 0, kEmptyZstdFrame, sizeof(kEmptyZstdFrame));
  41           CONTROL(!zstd_is_error(dSize));
  42           CONTROL(dSize == 0);
  43         }
  44         free(wksp);
  45     }
  46     fprintf(stderr, "Ok\n");
  47 }
  48
  49 int main(void) {
  50   test_decompress_unzstd();
  51   return 0;
  52 }