123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293 |
- /*********************************************************************
- Blosc - Blocked Shuffling and Compression Library
- Roundtrip tests
- Creation date: 2010-06-07
- Author: Francesc Alted <francesc@blosc.org>
- See LICENSES/BLOSC.txt for details about copyright and rights to use.
- **********************************************************************/
- #include "test_common.h"
- #include "../blosc/shuffle.h"
- #include "../blosc/shuffle-generic.h"
- /** Roundtrip tests for the generic shuffle/unshuffle. */
- static int test_shuffle_roundtrip_generic(size_t type_size, size_t num_elements,
- size_t buffer_alignment)
- {
- size_t buffer_size = type_size * num_elements;
- int exit_code;
- /* Allocate memory for the test. */
- void* original = blosc_test_malloc(buffer_alignment, buffer_size);
- void* shuffled = blosc_test_malloc(buffer_alignment, buffer_size);
- void* unshuffled = blosc_test_malloc(buffer_alignment, buffer_size);
- /* Fill the input data buffer with random values. */
- blosc_test_fill_random(original, buffer_size);
- /* Generic shuffle, then generic unshuffle. */
- shuffle_generic(type_size, buffer_size, original, shuffled);
- unshuffle_generic(type_size, buffer_size, shuffled, unshuffled);
- /* The round-tripped data matches the original data when the
- result of memcmp is 0. */
- exit_code = memcmp(original, unshuffled, buffer_size) ?
- EXIT_FAILURE : EXIT_SUCCESS;
- /* Free allocated memory. */
- blosc_test_free(original);
- blosc_test_free(shuffled);
- blosc_test_free(unshuffled);
- return exit_code;
- }
- /** Required number of arguments to this test, including the executable name. */
- #define TEST_ARG_COUNT 4
- int main(int argc, char **argv)
- {
- uint32_t type_size;
- uint32_t num_elements;
- uint32_t buffer_align_size;
- /* argv[1]: sizeof(element type)
- argv[2]: number of elements
- argv[3]: buffer alignment
- */
- /* Verify the correct number of command-line args have been specified. */
- if (TEST_ARG_COUNT != argc)
- {
- blosc_test_print_bad_argcount_msg(TEST_ARG_COUNT, argc);
- return EXIT_FAILURE;
- }
- /* Parse arguments */
- if (!blosc_test_parse_uint32_t(argv[1], &type_size) || (type_size < 1))
- {
- blosc_test_print_bad_arg_msg(1);
- return EXIT_FAILURE;
- }
- if (!blosc_test_parse_uint32_t(argv[2], &num_elements) || (num_elements < 1))
- {
- blosc_test_print_bad_arg_msg(2);
- return EXIT_FAILURE;
- }
- if (!blosc_test_parse_uint32_t(argv[3], &buffer_align_size)
- || (buffer_align_size & (buffer_align_size - 1))
- || (buffer_align_size < sizeof(void*)))
- {
- blosc_test_print_bad_arg_msg(3);
- return EXIT_FAILURE;
- }
- /* Run the test. */
- return test_shuffle_roundtrip_generic(type_size, num_elements, buffer_align_size);
- }
|