1 files changed, 40 insertions, 0 deletions
diff --git a/src/grep/tests/utf8-bracket b/src/grep/tests/utf8-bracket
new file mode 100755
index 0000000..0d31ece
--- /dev/null
+++ b/src/grep/tests/utf8-bracket
@@ -0,0 +1,40 @@
+#!/bin/sh
+# Check bracket expressions in a UTF-8 locale.
+
+# Copyright 2015-2021 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 <https://www.gnu.org/licenses/>.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+require_en_utf8_locale_
+
+printf '1\n2\n' >in || framework_failure_
+
+fail=0
+
+for locale in C en_US.UTF-8; do
+  for options in -qz -qzE; do
+    case $options in
+      *E*) parens='()';;
+      *) parens='\(\)';;
+    esac
+    for pattern in '1.2' '[12].2' '[1-2].2' '[1-2][^a][1-2]'; do
+      for suffix in '' "$parens\\1"; do
+        LC_ALL=$locale grep $options "$pattern$suffix" in || fail=1
+      done
+    done
+  done
+done
+
+Exit $fail