1 /* 2 * Test block device write threshold 3 * 4 * This work is licensed under the terms of the GNU LGPL, version 2 or later. 5 * See the COPYING.LIB file in the top-level directory. 6 * 7 */ 8 9 #include "qemu/osdep.h" 10 #include "qapi/error.h" 11 #include "block/block_int.h" 12 #include "block/write-threshold.h" 13 14 15 static void test_threshold_not_set_on_init(void) 16 { 17 uint64_t res; 18 BlockDriverState bs; 19 memset(&bs, 0, sizeof(bs)); 20 21 g_assert(!bdrv_write_threshold_is_set(&bs)); 22 23 res = bdrv_write_threshold_get(&bs); 24 g_assert_cmpint(res, ==, 0); 25 } 26 27 static void test_threshold_set_get(void) 28 { 29 uint64_t threshold = 4 * 1024 * 1024; 30 uint64_t res; 31 BlockDriverState bs; 32 memset(&bs, 0, sizeof(bs)); 33 34 bdrv_write_threshold_set(&bs, threshold); 35 36 g_assert(bdrv_write_threshold_is_set(&bs)); 37 38 res = bdrv_write_threshold_get(&bs); 39 g_assert_cmpint(res, ==, threshold); 40 } 41 42 static void test_threshold_multi_set_get(void) 43 { 44 uint64_t threshold1 = 4 * 1024 * 1024; 45 uint64_t threshold2 = 15 * 1024 * 1024; 46 uint64_t res; 47 BlockDriverState bs; 48 memset(&bs, 0, sizeof(bs)); 49 50 bdrv_write_threshold_set(&bs, threshold1); 51 bdrv_write_threshold_set(&bs, threshold2); 52 res = bdrv_write_threshold_get(&bs); 53 g_assert_cmpint(res, ==, threshold2); 54 } 55 56 static void test_threshold_not_trigger(void) 57 { 58 uint64_t threshold = 4 * 1024 * 1024; 59 BlockDriverState bs; 60 61 memset(&bs, 0, sizeof(bs)); 62 63 bdrv_write_threshold_set(&bs, threshold); 64 bdrv_write_threshold_check_write(&bs, 1024, 1024); 65 g_assert_cmpuint(bdrv_write_threshold_get(&bs), ==, threshold); 66 } 67 68 69 static void test_threshold_trigger(void) 70 { 71 uint64_t threshold = 4 * 1024 * 1024; 72 BlockDriverState bs; 73 74 memset(&bs, 0, sizeof(bs)); 75 76 bdrv_write_threshold_set(&bs, threshold); 77 bdrv_write_threshold_check_write(&bs, threshold - 1024, 2 * 1024); 78 g_assert_cmpuint(bdrv_write_threshold_get(&bs), ==, 0); 79 } 80 81 typedef struct TestStruct { 82 const char *name; 83 void (*func)(void); 84 } TestStruct; 85 86 87 int main(int argc, char **argv) 88 { 89 size_t i; 90 TestStruct tests[] = { 91 { "/write-threshold/not-set-on-init", 92 test_threshold_not_set_on_init }, 93 { "/write-threshold/set-get", 94 test_threshold_set_get }, 95 { "/write-threshold/multi-set-get", 96 test_threshold_multi_set_get }, 97 { "/write-threshold/not-trigger", 98 test_threshold_not_trigger }, 99 { "/write-threshold/trigger", 100 test_threshold_trigger }, 101 { NULL, NULL } 102 }; 103 104 g_test_init(&argc, &argv, NULL); 105 for (i = 0; tests[i].name != NULL; i++) { 106 g_test_add_func(tests[i].name, tests[i].func); 107 } 108 return g_test_run(); 109 } 110