[Qemu-devel] [PATCH v9 11/11] qemu-iotests: test non-overlapping block-stream operations

[Alberto Garcia]

Even if there are no common nodes involved, we currently don't support
several operations at the same time in the same backing chain.

Signed-off-by: Alberto Garcia <address@hidden>
---
 tests/qemu-iotests/030     | 21 +++++++++++++++++++++
 tests/qemu-iotests/030.out |  4 ++--
 2 files changed, 23 insertions(+), 2 deletions(-)

diff --git a/tests/qemu-iotests/030 b/tests/qemu-iotests/030
index 6348872..144f174 100755
--- a/tests/qemu-iotests/030
+++ b/tests/qemu-iotests/030
@@ -205,6 +205,27 @@ class TestMultipleOps(iotests.QMPTestCase):
 
         self.vm.shutdown()
 
+    # We currently don't support non-overlapping jobs if they are in
+    # the same chain. If we do it in the future this test will need to
+    # be updated.
+    def test_non_overlapping(self):
+        self.assert_no_active_block_jobs()
+
+        # Set a speed limit to make sure that this job blocks the rest
+        result = self.vm.qmp('block-stream', device='node4', 
base=self.imgs[0], speed=32768)
+        self.assert_qmp(result, 'return', {})
+
+        result = self.vm.qmp('block-stream', device='drive0', top=self.imgs[5])
+        self.assert_qmp(result, 'error/class', 'GenericError')
+
+        result = self.vm.qmp('block-commit', device='drive0', 
base=self.imgs[5])
+        self.assert_qmp(result, 'error/class', 'GenericError')
+
+        self.wait_until_completed(drive='node4')
+        self.assert_no_active_block_jobs()
+
+        self.vm.shutdown()
+
 class TestSmallerBackingFile(iotests.QMPTestCase):
     backing_len = 1 * 1024 * 1024 # MB
     image_len = 2 * backing_len
diff --git a/tests/qemu-iotests/030.out b/tests/qemu-iotests/030.out
index b6f2576..52d796e 100644
--- a/tests/qemu-iotests/030.out
+++ b/tests/qemu-iotests/030.out
@@ -1,5 +1,5 @@
-................
+.................
 ----------------------------------------------------------------------
-Ran 16 tests
+Ran 17 tests
 
 OK
-- 
2.8.0.rc3