diff options
Diffstat (limited to 'tests/qemu-iotests/030')
| -rwxr-xr-x | tests/qemu-iotests/030 | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/tests/qemu-iotests/030 b/tests/qemu-iotests/030 index 32469efd76..3ac2443e5b 100755 --- a/tests/qemu-iotests/030 +++ b/tests/qemu-iotests/030 @@ -35,6 +35,7 @@ class TestSingleDrive(iotests.QMPTestCase): qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % backing_img, mid_img) qemu_img('create', '-f', iotests.imgfmt, '-o', 'backing_file=%s' % mid_img, test_img) qemu_io('-f', 'raw', '-c', 'write -P 0x1 0 512', backing_img) + qemu_io('-f', iotests.imgfmt, '-c', 'write -P 0x1 524288 512', mid_img) self.vm = iotests.VM().add_drive("blkdebug::" + test_img) self.vm.launch() @@ -90,9 +91,13 @@ 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_partial(self): + 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', {}) @@ -101,6 +106,20 @@ class TestSingleDrive(iotests.QMPTestCase): 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() + + result = self.vm.qmp('block-stream', device='drive0', base=backing_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', mid_img), qemu_io('-f', iotests.imgfmt, '-c', 'map', test_img), 'image file map does not match backing file after streaming') |