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-rw-r--r--tests/unit/test-block-iothread.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/unit/test-block-iothread.c b/tests/unit/test-block-iothread.c
index 3a46886784..bb9230a4b4 100644
--- a/tests/unit/test-block-iothread.c
+++ b/tests/unit/test-block-iothread.c
@@ -212,6 +212,19 @@ static void test_sync_op_blk_pwrite_compressed(BlockBackend *blk)
g_assert_cmpint(ret, ==, -EIO);
}
+static void test_sync_op_blk_pwrite_zeroes(BlockBackend *blk)
+{
+ int ret;
+
+ /* Success */
+ ret = blk_pwrite_zeroes(blk, 0, 512, 0);
+ g_assert_cmpint(ret, ==, 0);
+
+ /* Early error: Negative offset */
+ ret = blk_pwrite_zeroes(blk, -2, 512, 0);
+ g_assert_cmpint(ret, ==, -EIO);
+}
+
static void test_sync_op_load_vmstate(BdrvChild *c)
{
uint8_t buf[512];
@@ -396,6 +409,10 @@ const SyncOpTest sync_op_tests[] = {
.fn = NULL,
.blkfn = test_sync_op_blk_pwrite_compressed,
}, {
+ .name = "/sync-op/pwrite_zeroes",
+ .fn = NULL,
+ .blkfn = test_sync_op_blk_pwrite_zeroes,
+ }, {
.name = "/sync-op/load_vmstate",
.fn = test_sync_op_load_vmstate,
}, {