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-rwxr-xr-xqemu/tests/qemu-iotests/044117
1 files changed, 0 insertions, 117 deletions
diff --git a/qemu/tests/qemu-iotests/044 b/qemu/tests/qemu-iotests/044
deleted file mode 100755
index 11ea0f4d3..000000000
--- a/qemu/tests/qemu-iotests/044
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@@ -1,117 +0,0 @@
-#!/usr/bin/env python
-#
-# Tests growing a large refcount table.
-#
-# Copyright (C) 2012 Red Hat, Inc.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-#
-
-import time
-import os
-import qcow2
-from qcow2 import QcowHeader
-import iotests
-from iotests import qemu_img, qemu_img_verbose, qemu_io
-import struct
-import subprocess
-
-test_img = os.path.join(iotests.test_dir, 'test.img')
-
-class TestRefcountTableGrowth(iotests.QMPTestCase):
- '''Abstract base class for image mirroring test cases'''
-
- def preallocate(self, name):
- fd = open(name, "r+b")
- try:
- off_reftable = 512
- off_refblock = off_reftable + (512 * 512)
- off_l1 = off_refblock + (512 * 512 * 64)
- off_l2 = off_l1 + (512 * 512 * 4 * 8)
- off_data = off_l2 + (512 * 512 * 4 * 512)
-
- # Write a new header
- h = QcowHeader(fd)
- h.refcount_table_offset = off_reftable
- h.refcount_table_clusters = 512
- h.l1_table_offset = off_l1
- h.l1_size = 512 * 512 * 4
- h.update(fd)
-
- # Write a refcount table
- fd.seek(off_reftable)
-
- for i in xrange(0, h.refcount_table_clusters):
- sector = ''.join(struct.pack('>Q',
- off_refblock + i * 64 * 512 + j * 512)
- for j in xrange(0, 64))
- fd.write(sector)
-
- # Write the refcount blocks
- assert(fd.tell() == off_refblock)
- sector = ''.join(struct.pack('>H', 1) for j in xrange(0, 64 * 256))
- for block in xrange(0, h.refcount_table_clusters):
- fd.write(sector)
-
- # Write the L1 table
- assert(fd.tell() == off_l1)
- assert(off_l2 + 512 * h.l1_size == off_data)
- table = ''.join(struct.pack('>Q', (1 << 63) | off_l2 + 512 * j)
- for j in xrange(0, h.l1_size))
- fd.write(table)
-
- # Write the L2 tables
- assert(fd.tell() == off_l2)
- img_file_size = h.refcount_table_clusters * 64 * 256 * 512
- remaining = img_file_size - off_data
-
- off = off_data
- while remaining > 1024 * 512:
- pytable = list((1 << 63) | off + 512 * j
- for j in xrange(0, 1024))
- table = struct.pack('>1024Q', *pytable)
- fd.write(table)
- remaining = remaining - 1024 * 512
- off = off + 1024 * 512
-
- table = ''.join(struct.pack('>Q', (1 << 63) | off + 512 * j)
- for j in xrange(0, remaining / 512))
- fd.write(table)
-
-
- # Data
- fd.truncate(img_file_size)
-
-
- finally:
- fd.close()
-
-
- def setUp(self):
- qemu_img('create', '-f', iotests.imgfmt, '-o', 'cluster_size=512', test_img, '16G')
- self.preallocate(test_img)
- pass
-
-
- def tearDown(self):
- os.remove(test_img)
- pass
-
- def test_grow_refcount_table(self):
- qemu_io('-c', 'write 3800M 1M', test_img)
- qemu_img_verbose('check' , test_img)
- pass
-
-if __name__ == '__main__':
- iotests.main(supported_fmts=['qcow2'])