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-rwxr-xr-xsrc/grep/tests/mb-dot-newline33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/grep/tests/mb-dot-newline b/src/grep/tests/mb-dot-newline
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+++ b/src/grep/tests/mb-dot-newline
@@ -0,0 +1,33 @@
+#!/bin/sh
+# Trigger a bug in the DFA matcher.
+# This would fail for grep-2.20.
+
+# Copyright 2014-2021 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
+
+printf 'a\naa\n' > in || framework_failure_
+printf 'aa\n' > exp || framework_failure_
+
+fail=0
+
+for LOC in en_US.UTF-8 en_US zh_CN $LOCALE_FR_UTF8 C; do
+ out1=out1-$LOC
+ LC_ALL=$LOC grep '..' in > out || fail=1
+ compare exp out || fail=1
+done
+
+Exit $fail