[Qemu-devel] [PATCH 01/17] iotests: Try reading while mirroring in 156

[Max Reitz]

Currently, we never test whether we can read from the source while
mirroring (that means, whether we can read from the mirror BDS).  Add
such a test to 156 because it fits well.

Signed-off-by: Max Reitz <address@hidden>
---
 tests/qemu-iotests/156     | 7 +++++++
 tests/qemu-iotests/156.out | 3 +++
 2 files changed, 10 insertions(+)

diff --git a/tests/qemu-iotests/156 b/tests/qemu-iotests/156
index 0a9a09802e..99f7326158 100755
--- a/tests/qemu-iotests/156
+++ b/tests/qemu-iotests/156
@@ -106,6 +106,13 @@ _send_qemu_cmd $QEMU_HANDLE \
                       'qemu-io source \"write -P 4 192k 64k\"' } }" \
     'return'
 
+# Read it back (proving that we can read while mirroring)
+_send_qemu_cmd $QEMU_HANDLE \
+    "{ 'execute': 'human-monitor-command',
+       'arguments': { 'command-line':
+                      'qemu-io source \"read -P 4 192k 64k\"' } }" \
+    'return'
+
 # Copy source backing chain to the target before completing the job
 cp "$TEST_IMG.backing" "$TEST_IMG.target.backing"
 cp "$TEST_IMG" "$TEST_IMG.target"
diff --git a/tests/qemu-iotests/156.out b/tests/qemu-iotests/156.out
index 34c057b626..a591bd3a1e 100644
--- a/tests/qemu-iotests/156.out
+++ b/tests/qemu-iotests/156.out
@@ -20,6 +20,9 @@ Formatting 'TEST_DIR/t.IMGFMT.target.overlay', fmt=IMGFMT 
size=1048576 backing_f
 wrote 65536/65536 bytes at offset 196608
 64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 {"return": ""}
+read 65536/65536 bytes at offset 196608
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+{"return": ""}
 {"return": {}}
 {"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"JOB_STATUS_CHANGE", "data": {"status": "waiting", "id": "source"}}
 {"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": 
"JOB_STATUS_CHANGE", "data": {"status": "pending", "id": "source"}}
-- 
2.17.1