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authorKevin Wolf <kwolf@redhat.com>2015-03-19 13:33:33 +0100
committerKevin Wolf <kwolf@redhat.com>2015-04-28 15:36:09 +0200
commite4f587492331df0ac50bad6131ea273d527af796 (patch)
treeefc219a657e8022758a674a50dca97571a8e4245 /tests/qemu-iotests
parent690c7301600162421b928c7f26fd488fd8fa464e (diff)
downloadqemu-e4f587492331df0ac50bad6131ea273d527af796.zip
qemu-e4f587492331df0ac50bad6131ea273d527af796.tar.gz
qemu-e4f587492331df0ac50bad6131ea273d527af796.tar.bz2
qemu-iotests: Some qemu-img convert tests
This adds a regression test for some problems that the qemu-img convert rewrite just fixed. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'tests/qemu-iotests')
-rwxr-xr-xtests/qemu-iotests/122223
-rw-r--r--tests/qemu-iotests/122.out209
-rw-r--r--tests/qemu-iotests/group1
3 files changed, 433 insertions, 0 deletions
diff --git a/tests/qemu-iotests/122 b/tests/qemu-iotests/122
new file mode 100755
index 0000000..350ca9c
--- /dev/null
+++ b/tests/qemu-iotests/122
@@ -0,0 +1,223 @@
+#!/bin/bash
+#
+# Test some qemu-img convert cases
+#
+# Copyright (C) 2015 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/>.
+#
+
+# creator
+owner=kwolf@redhat.com
+
+seq="$(basename $0)"
+echo "QA output created by $seq"
+
+here="$PWD"
+tmp=/tmp/$$
+status=1 # failure is the default!
+
+_cleanup()
+{
+ rm -f "$TEST_IMG".[123]
+ _cleanup_test_img
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+_supported_fmt qcow2
+_supported_proto file
+_supported_os Linux
+
+
+TEST_IMG="$TEST_IMG".base _make_test_img 64M
+$QEMU_IO -c "write -P 0x11 0 64M" "$TEST_IMG".base 2>&1 | _filter_qemu_io | _filter_testdir
+
+
+echo
+echo "=== Check allocation status regression with -B ==="
+echo
+
+_make_test_img -b "$TEST_IMG".base
+$QEMU_IO -c "write -P 0x22 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base "$TEST_IMG" "$TEST_IMG".orig
+$QEMU_IMG map "$TEST_IMG".orig | _filter_qemu_img_map
+
+
+echo
+echo "=== Check that zero clusters are kept in overlay ==="
+echo
+
+_make_test_img -b "$TEST_IMG".base
+
+$QEMU_IO -c "write -P 0 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base "$TEST_IMG" "$TEST_IMG".orig
+$QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IMG convert -O $IMGFMT -c -B "$TEST_IMG".base "$TEST_IMG" "$TEST_IMG".orig
+$QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+
+$QEMU_IO -c "write -z 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base "$TEST_IMG" "$TEST_IMG".orig
+$QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IMG convert -O $IMGFMT -c -B "$TEST_IMG".base "$TEST_IMG" "$TEST_IMG".orig
+$QEMU_IO -c "read -P 0 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+
+
+echo
+echo "=== Concatenate multiple source images ==="
+echo
+
+TEST_IMG="$TEST_IMG".1 _make_test_img 4M
+TEST_IMG="$TEST_IMG".2 _make_test_img 4M
+TEST_IMG="$TEST_IMG".3 _make_test_img 4M
+
+$QEMU_IO -c "write -P 0x11 0 64k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "write -P 0x22 0 64k" "$TEST_IMG".2 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "write -P 0x33 0 64k" "$TEST_IMG".3 2>&1 | _filter_qemu_io | _filter_testdir
+
+$QEMU_IMG convert -O $IMGFMT "$TEST_IMG".[123] "$TEST_IMG"
+$QEMU_IMG map "$TEST_IMG" | _filter_qemu_img_map
+$QEMU_IO -c "read -P 0x11 0 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0x22 4M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0x33 8M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+
+$QEMU_IMG convert -c -O $IMGFMT "$TEST_IMG".[123] "$TEST_IMG"
+$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
+$QEMU_IO -c "read -P 0x11 0 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0x22 4M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0x33 8M 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+
+# -B can't be combined with concatenation
+$QEMU_IMG convert -O $IMGFMT -B "$TEST_IMG".base "$TEST_IMG".[123] "$TEST_IMG"
+$QEMU_IMG convert -O $IMGFMT -c -B "$TEST_IMG".base "$TEST_IMG".[123] "$TEST_IMG"
+
+
+echo
+echo "=== Compression with misaligned allocations and image sizes ==="
+echo
+
+TEST_IMG="$TEST_IMG".1 _make_test_img 1023k -o cluster_size=1024
+TEST_IMG="$TEST_IMG".2 _make_test_img 1023k -o cluster_size=1024
+
+$QEMU_IO -c "write -P 0x11 16k 16k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "write -P 0x22 130k 130k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "write -P 0x33 1022k 1k" "$TEST_IMG".1 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "write -P 0x44 0k 1k" "$TEST_IMG".2 2>&1 | _filter_qemu_io | _filter_testdir
+
+$QEMU_IMG convert -c -O $IMGFMT "$TEST_IMG".[12] "$TEST_IMG"
+$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
+$QEMU_IO -c "read -P 0 0k 16k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0x11 16k 16k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0 32k 98k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0x22 130k 130k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0 260k 762k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0x33 1022k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0x44 1023k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0 1024k 1022k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+
+
+echo
+echo "=== Full allocation with -S 0 ==="
+echo
+
+# Standalone image
+_make_test_img 64M
+$QEMU_IO -c "write -P 0x22 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "write -P 0 3M 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+
+echo
+echo convert -S 0:
+$QEMU_IMG convert -O $IMGFMT -S 0 "$TEST_IMG" "$TEST_IMG".orig
+$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0 3M 61M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
+
+echo
+echo convert -c -S 0:
+$QEMU_IMG convert -O $IMGFMT -c -S 0 "$TEST_IMG" "$TEST_IMG".orig
+$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0 3M 61M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
+
+# With backing file
+TEST_IMG="$TEST_IMG".base _make_test_img 64M
+$QEMU_IO -c "write -P 0x11 0 32M" "$TEST_IMG".base 2>&1 | _filter_qemu_io | _filter_testdir
+
+_make_test_img -b "$TEST_IMG".base 64M
+$QEMU_IO -c "write -P 0x22 0 3M" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+
+echo
+echo convert -S 0 with source backing file:
+$QEMU_IMG convert -O $IMGFMT -S 0 "$TEST_IMG" "$TEST_IMG".orig
+$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
+
+echo
+echo convert -c -S 0 with source backing file:
+$QEMU_IMG convert -O $IMGFMT -c -S 0 "$TEST_IMG" "$TEST_IMG".orig
+$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
+
+# With keeping the backing file
+echo
+echo convert -S 0 -B ...
+$QEMU_IMG convert -O $IMGFMT -S 0 "$TEST_IMG" "$TEST_IMG".orig
+$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
+
+echo
+echo convert -c -S 0 -B ...
+$QEMU_IMG convert -O $IMGFMT -c -S 0 "$TEST_IMG" "$TEST_IMG".orig
+$QEMU_IO -c "read -P 0x22 0 3M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0x11 3M 29M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "read -P 0 32M 32M" "$TEST_IMG".orig 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
+
+
+echo
+echo "=== Non-zero -S ==="
+echo
+
+_make_test_img 64M -o cluster_size=1k
+$QEMU_IO -c "write -P 0 0 64k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "write 0 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "write 8k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+$QEMU_IO -c "write 17k 1k" "$TEST_IMG" 2>&1 | _filter_qemu_io | _filter_testdir
+
+for min_sparse in 4k 8k; do
+ echo
+ echo convert -S $min_sparse
+ $QEMU_IMG convert -O $IMGFMT -o cluster_size=1k -S $min_sparse "$TEST_IMG" "$TEST_IMG".orig
+ $QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
+
+ echo
+ echo convert -c -S $min_sparse
+ # For compressed images, -S values other than 0 are ignored
+ $QEMU_IMG convert -O $IMGFMT -o cluster_size=1k -c -S $min_sparse "$TEST_IMG" "$TEST_IMG".orig
+ $QEMU_IMG map --output=json "$TEST_IMG".orig | _filter_qemu_img_map
+done
+
+# success, all done
+echo '*** done'
+rm -f $seq.full
+status=0
diff --git a/tests/qemu-iotests/122.out b/tests/qemu-iotests/122.out
new file mode 100644
index 0000000..1f853b9
--- /dev/null
+++ b/tests/qemu-iotests/122.out
@@ -0,0 +1,209 @@
+QA output created by 122
+Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
+wrote 67108864/67108864 bytes at offset 0
+64 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+=== Check allocation status regression with -B ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file='TEST_DIR/t.IMGFMT.base'
+wrote 3145728/3145728 bytes at offset 0
+3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+Offset Length File
+0 0x300000 TEST_DIR/t.IMGFMT.orig
+0x300000 0x3d00000 TEST_DIR/t.IMGFMT.base
+
+=== Check that zero clusters are kept in overlay ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file='TEST_DIR/t.IMGFMT.base'
+wrote 3145728/3145728 bytes at offset 0
+3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 3145728/3145728 bytes at offset 0
+3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 3145728/3145728 bytes at offset 0
+3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 3145728/3145728 bytes at offset 0
+3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 3145728/3145728 bytes at offset 0
+3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 3145728/3145728 bytes at offset 0
+3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+=== Concatenate multiple source images ===
+
+Formatting 'TEST_DIR/t.IMGFMT.1', fmt=IMGFMT size=4194304
+Formatting 'TEST_DIR/t.IMGFMT.2', fmt=IMGFMT size=4194304
+Formatting 'TEST_DIR/t.IMGFMT.3', fmt=IMGFMT size=4194304
+wrote 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+Offset Length File
+0 0x10000 TEST_DIR/t.IMGFMT
+0x400000 0x10000 TEST_DIR/t.IMGFMT
+0x800000 0x10000 TEST_DIR/t.IMGFMT
+read 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 65536/65536 bytes at offset 4194304
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 65536/65536 bytes at offset 8388608
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+[{ "start": 0, "length": 65536, "depth": 0, "zero": false, "data": true},
+{ "start": 65536, "length": 4128768, "depth": 0, "zero": true, "data": false},
+{ "start": 4194304, "length": 65536, "depth": 0, "zero": false, "data": true},
+{ "start": 4259840, "length": 4128768, "depth": 0, "zero": true, "data": false},
+{ "start": 8388608, "length": 65536, "depth": 0, "zero": false, "data": true},
+{ "start": 8454144, "length": 4128768, "depth": 0, "zero": true, "data": false}]
+read 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 65536/65536 bytes at offset 4194304
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 65536/65536 bytes at offset 8388608
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+qemu-img: -B makes no sense when concatenating multiple input images
+qemu-img: -B makes no sense when concatenating multiple input images
+
+=== Compression with misaligned allocations and image sizes ===
+
+Formatting 'TEST_DIR/t.IMGFMT.1', fmt=IMGFMT size=1047552
+Formatting 'TEST_DIR/t.IMGFMT.2', fmt=IMGFMT size=1047552
+wrote 16384/16384 bytes at offset 16384
+16 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 133120/133120 bytes at offset 133120
+130 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 1024/1024 bytes at offset 1046528
+1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 1024/1024 bytes at offset 0
+1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+[{ "start": 0, "length": 65536, "depth": 0, "zero": false, "data": true},
+{ "start": 65536, "length": 65536, "depth": 0, "zero": true, "data": false},
+{ "start": 131072, "length": 196608, "depth": 0, "zero": false, "data": true},
+{ "start": 327680, "length": 655360, "depth": 0, "zero": true, "data": false},
+{ "start": 983040, "length": 65536, "depth": 0, "zero": false, "data": true},
+{ "start": 1048576, "length": 1046528, "depth": 0, "zero": true, "data": false}]
+read 16384/16384 bytes at offset 0
+16 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 16384/16384 bytes at offset 16384
+16 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 100352/100352 bytes at offset 32768
+98 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 133120/133120 bytes at offset 133120
+130 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 780288/780288 bytes at offset 266240
+762 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 1024/1024 bytes at offset 1046528
+1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 1024/1024 bytes at offset 1047552
+1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 1046528/1046528 bytes at offset 1048576
+1022 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+=== Full allocation with -S 0 ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
+wrote 3145728/3145728 bytes at offset 0
+3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 3145728/3145728 bytes at offset 3145728
+3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+convert -S 0:
+read 3145728/3145728 bytes at offset 0
+3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 63963136/63963136 bytes at offset 3145728
+61 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+[{ "start": 0, "length": 6291456, "depth": 0, "zero": false, "data": true, "offset": 327680},
+{ "start": 6291456, "length": 60817408, "depth": 0, "zero": true, "data": false}]
+
+convert -c -S 0:
+read 3145728/3145728 bytes at offset 0
+3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 63963136/63963136 bytes at offset 3145728
+61 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+[{ "start": 0, "length": 6291456, "depth": 0, "zero": false, "data": true},
+{ "start": 6291456, "length": 60817408, "depth": 0, "zero": true, "data": false}]
+Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
+wrote 33554432/33554432 bytes at offset 0
+32 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file='TEST_DIR/t.IMGFMT.base'
+wrote 3145728/3145728 bytes at offset 0
+3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+convert -S 0 with source backing file:
+read 3145728/3145728 bytes at offset 0
+3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 30408704/30408704 bytes at offset 3145728
+29 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 33554432/33554432 bytes at offset 33554432
+32 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+[{ "start": 0, "length": 67108864, "depth": 0, "zero": false, "data": true, "offset": 327680}]
+
+convert -c -S 0 with source backing file:
+read 3145728/3145728 bytes at offset 0
+3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 30408704/30408704 bytes at offset 3145728
+29 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 33554432/33554432 bytes at offset 33554432
+32 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+[{ "start": 0, "length": 67108864, "depth": 0, "zero": false, "data": true}]
+
+convert -S 0 -B ...
+read 3145728/3145728 bytes at offset 0
+3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 30408704/30408704 bytes at offset 3145728
+29 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 33554432/33554432 bytes at offset 33554432
+32 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+[{ "start": 0, "length": 67108864, "depth": 0, "zero": false, "data": true, "offset": 327680}]
+
+convert -c -S 0 -B ...
+read 3145728/3145728 bytes at offset 0
+3 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 30408704/30408704 bytes at offset 3145728
+29 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+read 33554432/33554432 bytes at offset 33554432
+32 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+[{ "start": 0, "length": 67108864, "depth": 0, "zero": false, "data": true}]
+
+=== Non-zero -S ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
+wrote 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 1024/1024 bytes at offset 0
+1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 1024/1024 bytes at offset 8192
+1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+wrote 1024/1024 bytes at offset 17408
+1 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+
+convert -S 4k
+[{ "start": 0, "length": 1024, "depth": 0, "zero": false, "data": true, "offset": 8192},
+{ "start": 1024, "length": 7168, "depth": 0, "zero": true, "data": false},
+{ "start": 8192, "length": 1024, "depth": 0, "zero": false, "data": true, "offset": 9216},
+{ "start": 9216, "length": 8192, "depth": 0, "zero": true, "data": false},
+{ "start": 17408, "length": 1024, "depth": 0, "zero": false, "data": true, "offset": 10240},
+{ "start": 18432, "length": 67090432, "depth": 0, "zero": true, "data": false}]
+
+convert -c -S 4k
+[{ "start": 0, "length": 1024, "depth": 0, "zero": false, "data": true},
+{ "start": 1024, "length": 7168, "depth": 0, "zero": true, "data": false},
+{ "start": 8192, "length": 1024, "depth": 0, "zero": false, "data": true},
+{ "start": 9216, "length": 8192, "depth": 0, "zero": true, "data": false},
+{ "start": 17408, "length": 1024, "depth": 0, "zero": false, "data": true},
+{ "start": 18432, "length": 67090432, "depth": 0, "zero": true, "data": false}]
+
+convert -S 8k
+[{ "start": 0, "length": 9216, "depth": 0, "zero": false, "data": true, "offset": 8192},
+{ "start": 9216, "length": 8192, "depth": 0, "zero": true, "data": false},
+{ "start": 17408, "length": 1024, "depth": 0, "zero": false, "data": true, "offset": 17408},
+{ "start": 18432, "length": 67090432, "depth": 0, "zero": true, "data": false}]
+
+convert -c -S 8k
+[{ "start": 0, "length": 1024, "depth": 0, "zero": false, "data": true},
+{ "start": 1024, "length": 7168, "depth": 0, "zero": true, "data": false},
+{ "start": 8192, "length": 1024, "depth": 0, "zero": false, "data": true},
+{ "start": 9216, "length": 8192, "depth": 0, "zero": true, "data": false},
+{ "start": 17408, "length": 1024, "depth": 0, "zero": false, "data": true},
+{ "start": 18432, "length": 67090432, "depth": 0, "zero": true, "data": false}]
+*** done
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index bcf2578..3cf55e5 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -122,6 +122,7 @@
115 rw auto
116 rw auto quick
121 rw auto
+122 rw auto
123 rw auto quick
128 rw auto quick
130 rw auto quick