diff options
author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-04-22 04:38:07 +0000 |
---|---|---|
committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-04-22 04:38:07 +0000 |
commit | 28ef1abc10cfbc2c3d2747c008eb2300858d0426 (patch) | |
tree | 41208fb8f393e6cb6cc8f939623ad47a0db17876 /tests/backref-alt | |
download | grep-tarball-f85e8f18e9292891dc92c036c0968484423dd3cb.tar.gz |
Diffstat (limited to 'tests/backref-alt')
-rwxr-xr-x | tests/backref-alt | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/backref-alt b/tests/backref-alt new file mode 100755 index 0000000..654b345 --- /dev/null +++ b/tests/backref-alt @@ -0,0 +1,27 @@ +#! /bin/sh +# Test for a bug in glibc's regex code as of 2015-09-19. +# +# Copyright 2015-2016 Free Software Foundation, Inc. +# +# Copying and distribution of this file, with or without modification, +# are permitted in any medium without royalty provided the copyright +# notice and this notice are preserved. + +. "${srcdir=.}/init.sh"; path_prepend_ ../src + +echo aa > in || framework_failure_ + +fail=0 + +grep -E 'b|(.)b|\1|b' in >out +status=$? +# POSIX isn't clear whether this regular expression should be invalid, +# (because the \1 is out of range for REs that could precede it) +# or valid but \1 should not match. Allow either interpretation. +test $status -eq 2 || test $status -eq 1 || fail=1 + +grep -E '0|()0|\1|0' in >out +status=$? +test $status -eq 2 || test $status -eq 1 || fail=1 + +Exit $fail |