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-rwxr-xr-xsrc/grep/tests/backslash-s-vs-invalid-multibyte26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/grep/tests/backslash-s-vs-invalid-multibyte b/src/grep/tests/backslash-s-vs-invalid-multibyte
new file mode 100755
index 0000000..79d5733
--- /dev/null
+++ b/src/grep/tests/backslash-s-vs-invalid-multibyte
@@ -0,0 +1,26 @@
+#! /bin/sh
+# Ensure that neither \s nor \S matches an invalid multibyte character.
+#
+# Copyright (C) 2013-2021 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.
+
+. "${srcdir=.}/init.sh"; path_prepend_ ../src
+
+require_en_utf8_locale_
+
+printf '\202\n' > in || framework_failure_
+
+LC_ALL=en_US.UTF-8
+export LC_ALL
+
+fail=0
+grep '^\S$' in > out-S && fail=1
+compare /dev/null out-S || fail=1
+
+grep '^\s$' in > out-s && fail=1
+compare /dev/null out-s || fail=1
+
+Exit $fail