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2025-05-18 13:04:45 +08:00

109 lines
2.6 KiB
C

/*********************************************************************
Blosc - Blocked Shuffling and Compression Library
Unit tests for BLOSC_NOLOCK environment variable in Blosc.
Creation date: 2016-04-25
Author: Francesc Alted <francesc@blosc.org>
See LICENSES/BLOSC.txt for details about copyright and rights to use.
**********************************************************************/
/* Test for using blosc without blosc_init() and blosc_destroy() */
#include <unistd.h>
#include "test_common.h"
int tests_run = 0;
/* Global vars */
void *src, *srccpy, *dest, *dest2;
size_t nbytes, cbytes;
int clevel = 1;
int doshuffle = 1;
size_t typesize = 4;
size_t size = 4 * 1000 * 1000; /* must be divisible by 4 */
/* Check just compressing */
static const char *test_compress(void) {
/* Get a compressed buffer */
cbytes = blosc_compress(clevel, doshuffle, typesize, size, src,
dest, size + BLOSC_MAX_OVERHEAD);
mu_assert("ERROR: cbytes is not correct", cbytes < size);
return 0;
}
/* Check compressing + decompressing */
static const char *test_compress_decompress(void) {
/* Get a compressed buffer */
cbytes = blosc_compress(clevel, doshuffle, typesize, size, src,
dest, size + BLOSC_MAX_OVERHEAD);
mu_assert("ERROR: cbytes is not correct", cbytes < size);
/* Decompress the buffer */
nbytes = blosc_decompress(dest, dest2, size);
mu_assert("ERROR: nbytes incorrect(1)", nbytes == size);
return 0;
}
static const char *all_tests(void) {
mu_run_test(test_compress);
mu_run_test(test_compress_decompress);
return 0;
}
#define BUFFER_ALIGN_SIZE 32
int main(int argc, char **argv) {
int32_t *_src;
const char *result;
size_t i;
int nchildren = 4;
printf("STARTING TESTS for %s\n", argv[0]);
/* Launch several subprocesses */
for (i = 1; i <= nchildren; i++) {
fork();
}
blosc_set_nthreads(4);
/* Initialize buffers */
src = blosc_test_malloc(BUFFER_ALIGN_SIZE, size);
srccpy = blosc_test_malloc(BUFFER_ALIGN_SIZE, size);
dest = blosc_test_malloc(BUFFER_ALIGN_SIZE, size + BLOSC_MAX_OVERHEAD);
dest2 = blosc_test_malloc(BUFFER_ALIGN_SIZE, size);
_src = (int32_t *)src;
for (i=0; i < (size/4); i++) {
_src[i] = (int32_t)i;
}
memcpy(srccpy, src, size);
/* Run all the suite */
result = all_tests();
if (result != 0) {
printf(" (%s)\n", result);
}
else {
printf(" ALL TESTS PASSED\n");
}
printf("\tTests run: %d\n", tests_run);
blosc_test_free(src);
blosc_test_free(srccpy);
blosc_test_free(dest);
blosc_test_free(dest2);
return result != 0;
}