1 files changed, 101 insertions, 0 deletions
diff --git a/testsuite/panic-tests.sh b/testsuite/panic-tests.sh
new file mode 100644
index 0000000..a2dba00
--- /dev/null
+++ b/testsuite/panic-tests.sh
@@ -0,0 +1,101 @@
+#!/bin/sh
+# Exercise some panic stops
+
+# Copyright (C) 2016 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/>.
+. "${srcdir=.}/testsuite/init.sh"; path_prepend_ ./sed
+print_ver_ sed
+
+#
+# failure to create temp file
+#
+
+# inplace with an unwritable directory
+mkdir a || framework_failure_
+touch a/a || framework_failure_
+chmod a-w a || framework_failure_
+
+# Expected error message, with actual filename/errno trimmed
+cat <<\EOF >exp-err-temp || framework_failure_
+sed: couldn't open temporary file
+EOF
+
+# TODO: why exit-code 4 (currently hard-coded)
+returns_ 4 sed -i = a/a 2>err-temp || fail=1
+
+# trim the filename/errno message (using sed itself...)
+sed -i 's/file.*$/file/' err-temp || framework_failure_
+compare_ exp-err-temp err-temp || fail=1
+
+# restore writability, to ensure it can be deleted
+chmod a+w a || framework_failure_
+
+
+#
+# no input files (with inplace)
+#
+
+# Expected error message
+cat <<\EOF> exp-err-no-files || framework_failure_
+sed: no input files
+EOF
+
+# /dev/null to ensure it doesn't hang if panic is not invoked
+returns_ 4 sed -i = </dev/null 2>err-no-files || fail=1
+compare_ exp-err-no-files err-no-files || fail=1
+
+
+#
+# Not a regular file (with inplace)
+#
+cat <<\EOF >exp-err-not-reg-file || framework_failure_
+sed: couldn't edit f: not a regular file
+EOF
+
+mkfifo f || framework_failure_
+
+# NOTE: the file-mode check is not performed until the first line is read.
+#       an empty/blocking fifo will hang forever.
+printf a > f &
+
+# TODO: add a timeout in case of bug leading to a blocking fifo?
+returns_ 4 sed -i = f 2>err-not-reg-file || fail=1
+compare_ exp-err-not-reg-file err-not-reg-file || fail=1
+
+
+#
+# inplace on a terminal device
+# (if available)
+#
+
+#NOTE: device name is replaced later
+cat <<\EOF >exp-err-tty || framework_failure_
+sed: couldn't edit X: is a terminal
+EOF
+
+ttydev=no-such-file
+type tty >/dev/null 2>&1 && ttydev=$(tty 2>/dev/null)
+if test -w "$ttydev" ; then
+    returns_ 4 sed -i = "$ttydev" 2>err-tty || fail=1
+
+    # remove the actual terminal device name (using sed itself...)
+    sed -i 's/edit.*:/edit X:/' err-tty || framework_failure_
+
+    compare_ exp-err-tty err-tty || fail=1
+fi
+
+
+
+Exit $fail