1 files changed, 64 insertions, 0 deletions
diff --git a/testsuite/in-place-suffix-backup.sh b/testsuite/in-place-suffix-backup.sh
new file mode 100644
index 0000000..6eaea82
--- /dev/null
+++ b/testsuite/in-place-suffix-backup.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+# Test -i/--inplace with backup suffixes
+
+# 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
+
+
+# create multiple uniquely-named input files
+# (the content does not matter for the first few)
+touch a b c d e || framework_failure_
+echo z > z || framework_failure_
+printf "1\nz\n" >> exp-z || framework_failure_
+
+
+# TODO: misleading error: the problem is the target filename of rename(2),
+#       not the source filename.
+cat <<\EOF >exp-err-rename || framework_failure_
+sed: cannot rename ./e: No such file or directory
+EOF
+
+
+# simple backup suffix
+sed -i.bak = a || fail=1
+test -e a.bak || fail=1
+
+# backup suffix with explicit wildcard
+sed -i'*.foo' = b || fail=1
+test -e b.foo || fail=1
+
+sed -i'==*==' = c || fail=1
+test -e ==c== || fail=1
+
+# abuse the suffix-name resolver
+sed -i'*=*' = d || fail=1
+test -e d=d || fail=1
+
+# This fails (as expected, with the backup name resolving './e./e./e').
+# TODO: improve error message;
+#       document why exit code is 4.
+returns_ 4 sed -i'***' = ./e 2>err-rename || fail=1
+compare_ exp-err-rename err-rename || fail=1
+
+# backup filename resolving to the same as the input filename,
+# silently ignored, backup not created (in execute.c:closedown() ).
+sed -i'*' = z || fail=1
+# ensure the input file was modified in-place
+compare_ exp-z z || fail=1
+
+
+Exit $fail