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-rw-r--r--tests/qemu-iotests/iotests.py18
1 files changed, 12 insertions, 6 deletions
diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 8739ec6613..13fd8b5cd2 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -811,15 +811,20 @@ class QMPTestCase(unittest.TestCase):
         self.assert_no_active_block_jobs()
         return result
 
-    def wait_until_completed(self, drive='drive0', check_offset=True, wait=60.0):
+    def wait_until_completed(self, drive='drive0', check_offset=True, wait=60.0,
+                             error=None):
         '''Wait for a block job to finish, returning the event'''
         while True:
             for event in self.vm.get_qmp_events(wait=wait):
                 if event['event'] == 'BLOCK_JOB_COMPLETED':
                     self.assert_qmp(event, 'data/device', drive)
-                    self.assert_qmp_absent(event, 'data/error')
-                    if check_offset:
-                        self.assert_qmp(event, 'data/offset', event['data']['len'])
+                    if error is None:
+                        self.assert_qmp_absent(event, 'data/error')
+                        if check_offset:
+                            self.assert_qmp(event, 'data/offset',
+                                            event['data']['len'])
+                    else:
+                        self.assert_qmp(event, 'data/error', error)
                     self.assert_no_active_block_jobs()
                     return event
                 elif event['event'] == 'JOB_STATUS_CHANGE':
@@ -837,7 +842,8 @@ class QMPTestCase(unittest.TestCase):
         self.assert_qmp(event, 'data/type', 'mirror')
         self.assert_qmp(event, 'data/offset', event['data']['len'])
 
-    def complete_and_wait(self, drive='drive0', wait_ready=True):
+    def complete_and_wait(self, drive='drive0', wait_ready=True,
+                          completion_error=None):
         '''Complete a block job and wait for it to finish'''
         if wait_ready:
             self.wait_ready(drive=drive)
@@ -845,7 +851,7 @@ class QMPTestCase(unittest.TestCase):
         result = self.vm.qmp('block-job-complete', device=drive)
         self.assert_qmp(result, 'return', {})
 
-        event = self.wait_until_completed(drive=drive)
+        event = self.wait_until_completed(drive=drive, error=completion_error)
         self.assert_qmp(event, 'data/type', 'mirror')
 
     def pause_wait(self, job_id='job0'):