diff options
| -rwxr-xr-x | tests/qemu-iotests/030 | 18 | ||||
| -rw-r--r-- | tests/qemu-iotests/030.out | 4 |
2 files changed, 20 insertions, 2 deletions
diff --git a/tests/qemu-iotests/030 b/tests/qemu-iotests/030 index 48a924ccc7..3ac2443e5b 100755 --- a/tests/qemu-iotests/030 +++ b/tests/qemu-iotests/030 @@ -91,6 +91,24 @@ class TestSingleDrive(iotests.QMPTestCase): qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), 'image file map does not match backing file after streaming') + def test_stream_no_op(self): + self.assert_no_active_block_jobs() + + # The image map is empty before the operation + empty_map = qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img) + + # This is a no-op: no data should ever be copied from the base image + result = self.vm.qmp('block-stream', device='drive0', base=mid_img) + self.assert_qmp(result, 'return', {}) + + self.wait_until_completed() + + self.assert_no_active_block_jobs() + self.vm.shutdown() + + self.assertEqual(qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), + empty_map, 'image file map changed after a no-op') + def test_stream_partial(self): self.assert_no_active_block_jobs() diff --git a/tests/qemu-iotests/030.out b/tests/qemu-iotests/030.out index fa16b5ccef..6323079e08 100644 --- a/tests/qemu-iotests/030.out +++ b/tests/qemu-iotests/030.out @@ -1,5 +1,5 @@ -............. +.............. ---------------------------------------------------------------------- -Ran 13 tests +Ran 14 tests OK |