[Qemu-block] [PATCH v3 4/4] iotests: Test qemu-img convert -S 0 behavior

[Max Reitz]

Passing -S 0 to qemu-img convert should result in all source data being
copied to the output, even if that source data is known to be 0.

Signed-off-by: Max Reitz <address@hidden>
---
 tests/qemu-iotests/150     | 74 ++++++++++++++++++++++++++++++++++++++++++++++
 tests/qemu-iotests/150.out | 11 +++++++
 tests/qemu-iotests/group   |  1 +
 3 files changed, 86 insertions(+)
 create mode 100755 tests/qemu-iotests/150
 create mode 100644 tests/qemu-iotests/150.out

diff --git a/tests/qemu-iotests/150 b/tests/qemu-iotests/150
new file mode 100755
index 0000000..665373d
--- /dev/null
+++ b/tests/qemu-iotests/150
@@ -0,0 +1,74 @@
+#!/bin/bash
+#
+# Test that qemu-img convert -S 0 fully allocates the target image
+#
+# Copyright (C) 2016 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
address@hidden
+
+seq="$(basename $0)"
+echo "QA output created by $seq"
+
+here="$PWD"
+tmp=/tmp/$$
+status=1       # failure is the default!
+
+_cleanup()
+{
+    _cleanup_test_img
+}
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+# get standard environment, filters and checks
+. ./common.rc
+. ./common.filter
+
+_supported_fmt raw qcow2
+_supported_proto file
+_supported_os Linux
+
+
+img_size=1048576
+
+
+echo
+echo '=== Mapping sparse conversion ==='
+echo
+
+$QEMU_IMG_PROG convert -O "$IMGFMT" -S 512 \
+    "json:{ 'driver': 'null-co', 'size': $img_size, 'read-zeroes': true }" \
+    "$TEST_IMG"
+
+$QEMU_IMG map "$TEST_IMG" | _filter_qemu_img_map
+
+
+echo
+echo '=== Mapping non-sparse conversion ==='
+echo
+
+$QEMU_IMG convert -O "$IMGFMT" -S 0 \
+    "json:{ 'driver': 'null-co', 'size': $img_size, 'read-zeroes': true }" \
+    "$TEST_IMG"
+
+$QEMU_IMG map "$TEST_IMG" | _filter_qemu_img_map
+
+
+# success, all done
+echo "*** done"
+rm -f $seq.full
+status=0
diff --git a/tests/qemu-iotests/150.out b/tests/qemu-iotests/150.out
new file mode 100644
index 0000000..2a54e8d
--- /dev/null
+++ b/tests/qemu-iotests/150.out
@@ -0,0 +1,11 @@
+QA output created by 150
+
+=== Mapping sparse conversion ===
+
+Offset          Length          File
+
+=== Mapping non-sparse conversion ===
+
+Offset          Length          File
+0               0x100000        TEST_DIR/t.IMGFMT
+*** done
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index 92ae8ec..2952b9d 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -151,3 +151,4 @@
 146 auto quick
 148 rw auto quick
 149 rw auto sudo
+150 rw auto quick
-- 
2.7.4