tests/unit/test-block-backend.c

   1 /*
   2  * BlockBackend tests
   3  *
   4  * Copyright (c) 2017 Kevin Wolf <kwolf@redhat.com>
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24
  25 #include "qemu/osdep.h"
  26 #include "block/block.h"
  27 #include "sysemu/block-backend.h"
  28 #include "qapi/error.h"
  29 #include "qemu/main-loop.h"
  30
  31 static void test_drain_aio_error_flush_cb(void *opaque, int ret)
  32 {
  33     bool *completed = opaque;
  34
  35     g_assert(ret == -ENOMEDIUM);
  36     *completed = true;
  37 }
  38
  39 static void test_drain_aio_error(void)
  40 {
  41     BlockBackend *blk = blk_new(qemu_get_aio_context(),
  42                                 BLK_PERM_ALL, BLK_PERM_ALL);
  43     BlockAIOCB *acb;
  44     bool completed = false;
  45
  46     acb = blk_aio_flush(blk, test_drain_aio_error_flush_cb, &completed);
  47     g_assert(acb != NULL);
  48     g_assert(completed == false);
  49
  50     blk_drain(blk);
  51     g_assert(completed == true);
  52
  53     blk_unref(blk);
  54 }
  55
  56 static void test_drain_all_aio_error(void)
  57 {
  58     BlockBackend *blk = blk_new(qemu_get_aio_context(),
  59                                 BLK_PERM_ALL, BLK_PERM_ALL);
  60     BlockAIOCB *acb;
  61     bool completed = false;
  62
  63     acb = blk_aio_flush(blk, test_drain_aio_error_flush_cb, &completed);
  64     g_assert(acb != NULL);
  65     g_assert(completed == false);
  66
  67     blk_drain_all();
  68     g_assert(completed == true);
  69
  70     blk_unref(blk);
  71 }
  72
  73 int main(int argc, char **argv)
  74 {
  75     bdrv_init();
  76     qemu_init_main_loop(&error_abort);
  77
  78     g_test_init(&argc, &argv, NULL);
  79
  80     g_test_add_func("/block-backend/drain_aio_error", test_drain_aio_error);
  81     g_test_add_func("/block-backend/drain_all_aio_error",
  82                     test_drain_all_aio_error);
  83
  84     return g_test_run();
  85 }