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Diffstat (limited to 'src/isa-l/raid/xor_gen_test.c')
| -rw-r--r-- | src/isa-l/raid/xor_gen_test.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/isa-l/raid/xor_gen_test.c b/src/isa-l/raid/xor_gen_test.c new file mode 100644 index 000000000..ee922bfaf --- /dev/null +++ b/src/isa-l/raid/xor_gen_test.c @@ -0,0 +1,165 @@ +/********************************************************************** + Copyright(c) 2011-2015 Intel Corporation All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + * Neither the name of Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +**********************************************************************/ + +#include<stdio.h> +#include<stdint.h> +#include<string.h> +#include<stdlib.h> +#include "raid.h" +#include "types.h" + +#define TEST_SOURCES 16 +#define TEST_LEN 1024 +#define TEST_MEM ((TEST_SOURCES + 1)*(TEST_LEN)) +#ifndef TEST_SEED +# define TEST_SEED 0x1234 +#endif + +// Generates pseudo-random data + +void rand_buffer(unsigned char *buf, long buffer_size) +{ + long i; + for (i = 0; i < buffer_size; i++) + buf[i] = rand(); +} + +int main(int argc, char *argv[]) +{ + int i, j, k, ret, fail = 0; + void *buffs[TEST_SOURCES + 1]; + char *tmp_buf[TEST_SOURCES + 1]; + + printf("Test xor_gen_test "); + + srand(TEST_SEED); + + // Allocate the arrays + for (i = 0; i < TEST_SOURCES + 1; i++) { + void *buf; + ret = posix_memalign(&buf, 32, TEST_LEN); + if (ret) { + printf("alloc error: Fail"); + return 1; + } + buffs[i] = buf; + } + + // Test of all zeros + for (i = 0; i < TEST_SOURCES + 1; i++) + memset(buffs[i], 0, TEST_LEN); + + xor_gen(TEST_SOURCES + 1, TEST_LEN, buffs); + + for (i = 0; i < TEST_LEN; i++) { + if (((char *)buffs[TEST_SOURCES])[i] != 0) + fail++; + } + + if (fail > 0) { + printf("fail zero test"); + return 1; + } else + putchar('.'); + + // Test rand1 + for (i = 0; i < TEST_SOURCES + 1; i++) + rand_buffer(buffs[i], TEST_LEN); + + xor_gen(TEST_SOURCES + 1, TEST_LEN, buffs); + + fail |= xor_check_base(TEST_SOURCES + 1, TEST_LEN, buffs); + + if (fail > 0) { + printf("fail rand test %d\n", fail); + return 1; + } else + putchar('.'); + + // Test various number of sources + for (j = 3; j <= TEST_SOURCES + 1; j++) { + for (i = 0; i < j; i++) + rand_buffer(buffs[i], TEST_LEN); + + xor_gen(j, TEST_LEN, buffs); + fail |= xor_check_base(j, TEST_LEN, buffs); + + if (fail > 0) { + printf("fail rand test %d sources\n", j); + return 1; + } else + putchar('.'); + } + + fflush(0); + + // Test various number of sources and len + k = 0; + while (k <= TEST_LEN) { + for (j = 3; j <= TEST_SOURCES + 1; j++) { + for (i = 0; i < j; i++) + rand_buffer(buffs[i], k); + + xor_gen(j, k, buffs); + fail |= xor_check_base(j, k, buffs); + + if (fail > 0) { + printf("fail rand test %d sources, len=%d, ret=%d\n", j, k, + fail); + return 1; + } + } + putchar('.'); + k += 1; + } + + // Test at the end of buffer + for (i = 0; i < TEST_LEN; i += 32) { + for (j = 0; j < TEST_SOURCES + 1; j++) { + rand_buffer((unsigned char *)buffs[j] + i, TEST_LEN - i); + tmp_buf[j] = (char *)buffs[j] + i; + } + + xor_gen(TEST_SOURCES + 1, TEST_LEN - i, (void *)tmp_buf); + fail |= xor_check_base(TEST_SOURCES + 1, TEST_LEN - i, (void *)tmp_buf); + + if (fail > 0) { + printf("fail end test - offset: %d, len: %d\n", i, TEST_LEN - i); + return 1; + } + + putchar('.'); + fflush(0); + } + + if (!fail) + printf(" done: Pass\n"); + + return fail; +} |