test for partition-type-changing bug

* tests/t3200-type-change.sh: New file.
* tests/Makefile.am (TESTS): Add it.

1 files changed, 52 insertions, 0 deletions

diff --git a/tests/t3200-type-change.sh b/tests/t3200-type-change.sh
new file mode 100755
index 0000000..5f77f8b
--- /dev/null
+++ b/tests/t3200-type-change.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+# Ensure parted doesn't change the type of a partition to match its FS.
+
+# Copyright (C) 2009 Free Software Foundation, 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 3 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/>.
+
+if test "$VERBOSE" = yes; then
+  set -x
+  parted --version
+fi
+
+: ${srcdir=.}
+. $srcdir/t-lib.sh
+
+require_root_
+require_scsi_debug_module_
+
+# check for scsi_debug module
+modprobe -n scsi_debug ||
+  skip_test_ "you lack the scsi_debug kernel module"
+
+grep '^#define USE_BLKID 1' "$CONFIG_HEADER" > /dev/null ||
+  skip_test_ 'this system lacks a new-enough libblkid'
+
+# create memory-backed device
+scsi_debug_setup_ dev_size_mb=550 > dev-name ||
+  skip_test_ 'failed to create scsi_debug device'
+scsi_dev=$(cat dev-name)
+
+# Create an empty partition of "type fat32", and then create an actual
+# ext2 partition in it.  Then "unset" the already unset LVM flag on that
+# partition and ensure that parted doesn't "helpfully" change the partition
+# type to match the newly-detected FS type.
+
+fail=0
+parted -s $scsi_dev mklabel msdos mkpart primary fat32 64s 80000s || fail=1
+
+compare out exp || fail=1
+
+Exit $fail