test for the gpt_read failed-assertion fix

* tests/t0201-gpt.sh: New file.
* tests/Makefile.am (TESTS): Add it.

diff --git a/tests/Makefile.am b/tests/Makefile.am
index 14e4862..0beedd4 100644 (file)
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -2,6 +2,7 @@ TESTS = \
   t0000-basic.sh \
   t0100-print.sh \
   t0200-gpt.sh \
+  t0201-gpt.sh \
   t1000-mkpartfs.sh \
   t1100-busy-label.sh \
   t1500-small-ext2.sh \

diff --git a/tests/t0201-gpt.sh b/tests/t0201-gpt.sh
new file mode 100755 (executable)
index 0000000..0b8a970
--- /dev/null
+++ b/tests/t0201-gpt.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+
+# 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/>.
+
+test_description='avoid failed assertion when creating a GPT on top of an old one for a larger device'
+
+: ${srcdir=.}
+. $srcdir/test-lib.sh
+
+dev=loop-file
+test_expect_success \
+    'create a backing file large enough for a GPT partition table' \
+    'dd if=/dev/null of=$dev seek=4001 2> /dev/null'
+
+test_expect_success \
+    'create a GPT partition table' \
+    'parted -s $dev mklabel gpt > out 2>&1'
+test_expect_success 'expect no output' 'compare out /dev/null'
+
+test_expect_success \
+    'shrink the backing file' \
+    'dd if=/dev/null of=$dev seek=4000 2> /dev/null'
+
+test_expect_success \
+    'create a new GPT table on top of the shrunken backing file' \
+    'parted -s $dev mklabel gpt > out 2>&1'
+test_expect_success 'expect no output' 'compare out /dev/null'
+
+test_done