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2f523a03f5
This implements MS-FSA algorithms BlockAlign() and BlockAlignTruncate(). Signed-off-by: Ralph Boehme <slow@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
179 lines
4.3 KiB
C
179 lines
4.3 KiB
C
/*
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* Unix SMB/CIFS implementation.
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*
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* Unit test for sys_rw.c
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*
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* Copyright (C) Ralph Böhme 2021
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdarg.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <setjmp.h>
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#include <cmocka.h>
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#include "lib/replace/replace.h"
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#include "system/dir.h"
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#include "lib/util/sys_rw.c"
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static void test_sys_io_ranges_overlap(void **state)
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{
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bool overlap;
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/*
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* sys_io_ranges_overlap() args are:
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*
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* src size, src offset, dst size, dst offset
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*/
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/* src and dst size 0 => no overlap */
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overlap = sys_io_ranges_overlap(0, 0, 0, 0);
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assert_false(overlap);
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/* dst size 0 => no overlap */
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overlap = sys_io_ranges_overlap(1, 0, 0, 0);
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assert_false(overlap);
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/* src size 0 => no overlap */
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overlap = sys_io_ranges_overlap(0, 0, 1, 0);
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assert_false(overlap);
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/* same range => overlap */
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overlap = sys_io_ranges_overlap(1, 0, 1, 0);
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assert_true(overlap);
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/*
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* |.|
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* |.|
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* src before dst => no overlap
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*/
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overlap = sys_io_ranges_overlap(1, 0, 1, 1);
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assert_false(overlap);
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/*
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* |..|
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* |..|
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* src into dst => overlap
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*/
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overlap = sys_io_ranges_overlap(2, 0, 2, 1);
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assert_true(overlap);
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/*
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* |....|
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* |..|
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* src encompasses dst => overlap
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*/
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overlap = sys_io_ranges_overlap(4, 0, 1, 2);
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assert_true(overlap);
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/*
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* |..|
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* |..|
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* dst into src => overlap
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*/
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overlap = sys_io_ranges_overlap(2, 1, 2, 0);
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assert_true(overlap);
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/*
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* |..|
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* |....|
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* dst encompasses src => overlap
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*/
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overlap = sys_io_ranges_overlap(2, 1, 4, 0);
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assert_true(overlap);
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}
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static void test_sys_block_align(void **state)
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{
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int asize;
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asize = sys_block_align(0, 2);
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assert_int_equal(asize, 0);
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asize = sys_block_align(1, 2);
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assert_int_equal(asize, 2);
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asize = sys_block_align(2, 2);
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assert_int_equal(asize, 2);
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asize = sys_block_align(3, 2);
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assert_int_equal(asize, 4);
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asize = sys_block_align(0, 4);
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assert_int_equal(asize, 0);
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asize = sys_block_align(1, 4);
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assert_int_equal(asize, 4);
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asize = sys_block_align(3, 4);
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assert_int_equal(asize, 4);
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asize = sys_block_align(4, 4);
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assert_int_equal(asize, 4);
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asize = sys_block_align(5, 4);
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assert_int_equal(asize, 8);
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asize = sys_block_align(7, 4);
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assert_int_equal(asize, 8);
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asize = sys_block_align(8, 4);
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assert_int_equal(asize, 8);
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asize = sys_block_align(9, 4);
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assert_int_equal(asize, 12);
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}
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static void test_sys_block_align_truncate(void **state)
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{
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int asize;
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asize = sys_block_align_truncate(0, 2);
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assert_int_equal(asize, 0);
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asize = sys_block_align_truncate(1, 2);
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assert_int_equal(asize, 0);
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asize = sys_block_align_truncate(2, 2);
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assert_int_equal(asize, 2);
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asize = sys_block_align_truncate(3, 2);
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assert_int_equal(asize, 2);
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asize = sys_block_align_truncate(4, 2);
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assert_int_equal(asize, 4);
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asize = sys_block_align_truncate(5, 2);
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assert_int_equal(asize, 4);
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asize = sys_block_align_truncate(0, 4);
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assert_int_equal(asize, 0);
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asize = sys_block_align_truncate(1, 4);
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assert_int_equal(asize, 0);
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asize = sys_block_align_truncate(3, 4);
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assert_int_equal(asize, 0);
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asize = sys_block_align_truncate(4, 4);
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assert_int_equal(asize, 4);
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asize = sys_block_align_truncate(5, 4);
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assert_int_equal(asize, 4);
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asize = sys_block_align_truncate(7, 4);
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assert_int_equal(asize, 4);
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asize = sys_block_align_truncate(8, 4);
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assert_int_equal(asize, 8);
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asize = sys_block_align_truncate(9, 4);
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assert_int_equal(asize, 8);
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}
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int main(int argc, char **argv)
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{
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const struct CMUnitTest tests[] = {
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cmocka_unit_test(test_sys_io_ranges_overlap),
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cmocka_unit_test(test_sys_block_align),
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cmocka_unit_test(test_sys_block_align_truncate),
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};
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cmocka_set_message_output(CM_OUTPUT_SUBUNIT);
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return cmocka_run_group_tests(tests, NULL, NULL);
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}
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