qemu-e2k/tests/unit/test-write-threshold.c

48 lines
1.1 KiB
C

/*
* Test block device write threshold
*
* This work is licensed under the terms of the GNU LGPL, version 2 or later.
* See the COPYING.LIB file in the top-level directory.
*
*/
#include "qemu/osdep.h"
#include "block/block_int.h"
#include "block/write-threshold.h"
static void test_threshold_not_trigger(void)
{
uint64_t threshold = 4 * 1024 * 1024;
BlockDriverState bs;
memset(&bs, 0, sizeof(bs));
bdrv_write_threshold_set(&bs, threshold);
bdrv_write_threshold_check_write(&bs, 1024, 1024);
g_assert_cmpuint(bdrv_write_threshold_get(&bs), ==, threshold);
}
static void test_threshold_trigger(void)
{
uint64_t threshold = 4 * 1024 * 1024;
BlockDriverState bs;
memset(&bs, 0, sizeof(bs));
bdrv_write_threshold_set(&bs, threshold);
bdrv_write_threshold_check_write(&bs, threshold - 1024, 2 * 1024);
g_assert_cmpuint(bdrv_write_threshold_get(&bs), ==, 0);
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
g_test_add_func("/write-threshold/not-trigger", test_threshold_not_trigger);
g_test_add_func("/write-threshold/trigger", test_threshold_trigger);
return g_test_run();
}