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1 /*
2  * Copyright (c) 2020, Facebook, Inc.
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 
test_decompress_unzstd()31 static void test_decompress_unzstd() {
32     fprintf(stderr, "Testing decompress unzstd... ");
33     {
34         size_t const wkspSize = zstd_dctx_workspace_bound();
35         void* wksp = malloc(wkspSize);
36         CONTROL(wksp != NULL);
37         ZSTD_DCtx* dctx = zstd_init_dctx(wksp, wkspSize);
38         CONTROL(dctx != NULL);
39         size_t const dSize = zstd_decompress_dctx(dctx, NULL, 0, kEmptyZstdFrame, sizeof(kEmptyZstdFrame));
40         CONTROL(!zstd_is_error(dSize));
41         CONTROL(dSize == 0);
42         free(wksp);
43     }
44     fprintf(stderr, "Ok\n");
45 }
46 
main(void)47 int main(void) {
48   test_decompress_unzstd();
49   return 0;
50 }
51