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112dd72c01
The file types.h has long been misnamed and overlaps with functionality in the test helper routines. Change-Id: I774047d3a0074198b67a6b4e909f1e2ce1938195 Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
325 lines
8.9 KiB
C
325 lines
8.9 KiB
C
/**********************************************************************
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Copyright(c) 2011-2018 Intel Corporation All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**********************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include "crc.h"
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#include "crc_ref.h"
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#include "test.h"
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#ifndef TEST_SEED
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# define TEST_SEED 0x1234
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#endif
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#define MAX_BUF 4096
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#define TEST_SIZE 32
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typedef uint32_t(*crc32_func_t) (uint32_t, const uint8_t *, uint64_t);
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typedef uint32_t(*crc32_func_t_base) (uint32_t, uint8_t *, uint64_t);
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typedef uint32_t(*crc32_func_t_ref) (uint32_t, uint8_t *, uint64_t);
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typedef struct func_case {
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char *note;
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crc32_func_t crc32_func_call;
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crc32_func_t_base crc32_base_call;
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crc32_func_t_ref crc32_ref_call;
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} func_case_t;
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uint32_t crc32_iscsi_wrap(uint32_t seed, const uint8_t * buf, uint64_t len)
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{
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return crc32_iscsi((uint8_t *) buf, len, seed);
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}
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uint32_t crc32_iscsi_base_wrap(uint32_t seed, uint8_t * buf, uint64_t len)
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{
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return crc32_iscsi_base(buf, len, seed);
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}
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uint32_t crc32_iscsi_ref_wrap(uint32_t seed, uint8_t * buf, uint64_t len)
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{
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return crc32_iscsi_ref(buf, len, seed);
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}
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func_case_t test_funcs[] = {
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{"crc32_ieee", crc32_ieee, crc32_ieee_base, crc32_ieee_ref}
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,
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{"crc32_gzip_refl", crc32_gzip_refl, crc32_gzip_refl_base, crc32_gzip_refl_ref}
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,
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{"crc32_iscsi", crc32_iscsi_wrap, crc32_iscsi_base_wrap, crc32_iscsi_ref_wrap}
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};
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// Generates pseudo-random data
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void rand_buffer(unsigned char *buf, long buffer_size)
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{
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long i;
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for (i = 0; i < buffer_size; i++)
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buf[i] = rand();
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}
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// Test cases
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int zeros_test(func_case_t * test_func);
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int simple_pattern_test(func_case_t * test_func);
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int seeds_sizes_test(func_case_t * test_func);
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int eob_test(func_case_t * test_func);
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int update_test(func_case_t * test_func);
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int verbose = 0;
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void *buf_alloc = NULL;
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int main(int argc, char *argv[])
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{
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int fail = 0, fail_case;
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int i, ret;
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func_case_t *test_func;
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verbose = argc - 1;
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// Align to TEST_SIZE boundary
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ret = posix_memalign(&buf_alloc, TEST_SIZE, MAX_BUF * TEST_SIZE);
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if (ret) {
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printf("alloc error: Fail");
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return -1;
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}
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srand(TEST_SEED);
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printf("CRC32 Tests\n");
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for (i = 0; i < sizeof(test_funcs) / sizeof(test_funcs[0]); i++) {
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fail_case = 0;
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test_func = &test_funcs[i];
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printf("Test %s\t", test_func->note);
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fail_case += zeros_test(test_func);
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fail_case += simple_pattern_test(test_func);
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fail_case += seeds_sizes_test(test_func);
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fail_case += eob_test(test_func);
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fail_case += update_test(test_func);
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printf(" done: %s\n", fail_case ? "Fail" : "Pass");
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if (fail_case) {
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printf("\n%s Failed %d tests\n", test_func->note, fail_case);
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fail++;
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}
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}
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printf("CRC32 Tests all done: %s\n", fail ? "Fail" : "Pass");
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return fail;
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}
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// Test of all zeros
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int zeros_test(func_case_t * test_func)
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{
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uint32_t crc_ref, crc_base, crc;
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int fail = 0;
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unsigned char *buf = NULL;
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buf = (unsigned char *)buf_alloc;
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memset(buf, 0, MAX_BUF * 10);
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crc_ref = test_func->crc32_ref_call(TEST_SEED, buf, MAX_BUF * 10);
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crc_base = test_func->crc32_base_call(TEST_SEED, buf, MAX_BUF * 10);
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crc = test_func->crc32_func_call(TEST_SEED, buf, MAX_BUF * 10);
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if ((crc_base != crc_ref) || (crc != crc_ref)) {
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fail++;
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printf("\n opt ref\n");
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printf(" ------ ------\n");
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printf("crc zero = 0x%8x 0x%8x 0x%8x\n", crc_ref, crc_base, crc);
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} else
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printf(".");
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return fail;
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}
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// Another simple test pattern
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int simple_pattern_test(func_case_t * test_func)
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{
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uint32_t crc_ref, crc_base, crc;
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int fail = 0;
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unsigned char *buf = NULL;
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buf = (unsigned char *)buf_alloc;
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memset(buf, 0x8a, MAX_BUF);
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crc_ref = test_func->crc32_ref_call(TEST_SEED, buf, MAX_BUF);
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crc_base = test_func->crc32_base_call(TEST_SEED, buf, MAX_BUF);
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crc = test_func->crc32_func_call(TEST_SEED, buf, MAX_BUF);
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if ((crc_base != crc_ref) || (crc != crc_ref))
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fail++;
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if (verbose)
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printf("crc all 8a = 0x%8x 0x%8x 0x%8x\n", crc_ref, crc_base, crc);
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else
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printf(".");
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return fail;
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}
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int seeds_sizes_test(func_case_t * test_func)
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{
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uint32_t crc_ref, crc_base, crc;
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int fail = 0;
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int i;
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uint64_t r, s;
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unsigned char *buf = NULL;
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// Do a few random tests
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buf = (unsigned char *)buf_alloc; //reset buf
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r = rand();
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rand_buffer(buf, MAX_BUF * TEST_SIZE);
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for (i = 0; i < TEST_SIZE; i++) {
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crc_ref = test_func->crc32_ref_call(r, buf, MAX_BUF);
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crc_base = test_func->crc32_base_call(r, buf, MAX_BUF);
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crc = test_func->crc32_func_call(r, buf, MAX_BUF);
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if ((crc_base != crc_ref) || (crc != crc_ref))
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fail++;
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if (verbose)
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printf("crc rand%3d = 0x%8x 0x%8x 0x%8x\n", i, crc_ref, crc_base, crc);
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else if (i % (TEST_SIZE / 8) == 0)
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printf(".");
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buf += MAX_BUF;
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}
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// Do a few random sizes
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buf = (unsigned char *)buf_alloc; //reset buf
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r = rand();
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for (i = MAX_BUF; i >= 0; i--) {
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crc_ref = test_func->crc32_ref_call(r, buf, i);
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crc_base = test_func->crc32_base_call(r, buf, i);
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crc = test_func->crc32_func_call(r, buf, i);
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if ((crc_base != crc_ref) || (crc != crc_ref)) {
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fail++;
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printf("fail random size%i 0x%8x 0x%8x 0x%8x\n", i, crc_ref, crc_base,
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crc);
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} else if (i % (MAX_BUF / 8) == 0)
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printf(".");
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}
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// Try different seeds
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for (s = 0; s < 20; s++) {
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buf = (unsigned char *)buf_alloc; //reset buf
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r = rand(); // just to get a new seed
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rand_buffer(buf, MAX_BUF * TEST_SIZE); // new pseudo-rand data
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if (verbose)
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printf("seed = 0x%lx\n", r);
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for (i = 0; i < TEST_SIZE; i++) {
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crc_ref = test_func->crc32_ref_call(r, buf, MAX_BUF);
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crc_base = test_func->crc32_base_call(r, buf, MAX_BUF);
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crc = test_func->crc32_func_call(r, buf, MAX_BUF);
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if ((crc_base != crc_ref) || (crc != crc_ref))
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fail++;
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if (verbose)
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printf("crc rand%3d = 0x%8x 0x%8x 0x%8x\n", i, crc_ref,
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crc_base, crc);
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else if (i % (TEST_SIZE * 20 / 8) == 0)
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printf(".");
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buf += MAX_BUF;
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}
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}
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return fail;
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}
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// Run tests at end of buffer
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int eob_test(func_case_t * test_func)
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{
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uint32_t crc_ref, crc_base, crc;
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int fail = 0;
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int i;
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unsigned char *buf = NULL;
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// Null test
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if (0 != test_func->crc32_func_call(0, NULL, 0)) {
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fail++;
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printf("crc null test fail\n");
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}
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buf = (unsigned char *)buf_alloc; //reset buf
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buf = buf + ((MAX_BUF - 1) * TEST_SIZE); //Line up TEST_SIZE from end
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for (i = 0; i <= TEST_SIZE; i++) {
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crc_ref = test_func->crc32_ref_call(TEST_SEED, buf + i, TEST_SIZE - i);
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crc_base = test_func->crc32_base_call(TEST_SEED, buf + i, TEST_SIZE - i);
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crc = test_func->crc32_func_call(TEST_SEED, buf + i, TEST_SIZE - i);
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if ((crc_base != crc_ref) || (crc != crc_ref))
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fail++;
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if (verbose)
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printf("crc eob rand%3d = 0x%8x 0x%8x 0x%8x\n", i, crc_ref, crc_base,
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crc);
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else if (i % (TEST_SIZE / 8) == 0)
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printf(".");
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}
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return fail;
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}
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int update_test(func_case_t * test_func)
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{
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uint32_t crc_ref, crc_base, crc;
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int fail = 0;
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int i;
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uint64_t r;
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unsigned char *buf = NULL;
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buf = (unsigned char *)buf_alloc; //reset buf
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r = rand();
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// Process the whole buf with reference func single call.
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crc_ref = test_func->crc32_ref_call(r, buf, MAX_BUF * TEST_SIZE);
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crc_base = test_func->crc32_base_call(r, buf, MAX_BUF * TEST_SIZE);
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// Process buf with update method.
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for (i = 0; i < TEST_SIZE; i++) {
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crc = test_func->crc32_func_call(r, buf, MAX_BUF);
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// Update crc seeds and buf pointer.
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r = crc;
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buf += MAX_BUF;
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}
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if ((crc_base != crc_ref) || (crc != crc_ref))
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fail++;
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if (verbose)
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printf("crc rand%3d = 0x%8x 0x%8x 0x%8x\n", i, crc_ref, crc_base, crc);
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else
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printf(".");
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return fail;
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}
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