cirrus: fix off-by-one in cirrus_bitblt_rop_bkwd_transp_*_16
[qemu.git] / tests / qemu-iotests / 096
1 #!/usr/bin/env python
2 #
3 # Test that snapshots move the throttling configuration to the active
4 # layer
5 #
6 # Copyright (C) 2015 Igalia, S.L.
7 #
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2 of the License, or
11 # (at your option) any later version.
12 #
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 # GNU General Public License for more details.
17 #
18 # You should have received a copy of the GNU General Public License
19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
20 #
21
22 import iotests
23 import os
24
25 class TestLiveSnapshot(iotests.QMPTestCase):
26     base_img = os.path.join(iotests.test_dir, 'base.img')
27     target_img = os.path.join(iotests.test_dir, 'target.img')
28     group = 'mygroup'
29     iops = 6000
30     iops_size = 1024
31
32     def setUp(self):
33         opts = []
34         opts.append('node-name=base')
35         opts.append('throttling.group=%s' % self.group)
36         opts.append('throttling.iops-total=%d' % self.iops)
37         opts.append('throttling.iops-size=%d' % self.iops_size)
38         iotests.qemu_img('create', '-f', iotests.imgfmt, self.base_img, '100M')
39         self.vm = iotests.VM().add_drive(self.base_img, ','.join(opts))
40         self.vm.launch()
41
42     def tearDown(self):
43         self.vm.shutdown()
44         os.remove(self.base_img)
45         os.remove(self.target_img)
46
47     def checkConfig(self, active_layer):
48         result = self.vm.qmp('query-block')
49         for r in result['return']:
50             r = r['inserted']
51             if r['node-name'] == active_layer:
52                 self.assertEqual(r['group'], self.group)
53                 self.assertEqual(r['iops'], self.iops)
54                 self.assertEqual(r['iops_size'], self.iops_size)
55             else:
56                 self.assertFalse(r.has_key('group'))
57                 self.assertEqual(r['iops'], 0)
58                 self.assertFalse(r.has_key('iops_size'))
59
60     def testSnapshot(self):
61         self.checkConfig('base')
62         self.vm.qmp('blockdev-snapshot-sync',
63                     node_name = 'base',
64                     snapshot_node_name = 'target',
65                     snapshot_file = self.target_img,
66                     format = iotests.imgfmt)
67         self.checkConfig('target')
68
69 if __name__ == '__main__':
70     iotests.main(supported_fmts=['qcow2'])