1 files changed, 52 insertions, 0 deletions
diff --git a/tests/misc/wc-nbsp.sh b/tests/misc/wc-nbsp.sh
new file mode 100755
index 0000000..7b2658f
--- /dev/null
+++ b/tests/misc/wc-nbsp.sh
@@ -0,0 +1,52 @@
+#!/bin/sh
+# Test non breaking space handling
+
+# Copyright (C) 2019-2022 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=.}/tests/init.sh"; path_prepend_ ./src
+print_ver_ wc printf
+
+# Before coreutils 8.31 nbsp was treated as part of a word,
+# rather than a word delimiter
+
+check_word_sep() {
+  char="$1"
+  # Use -L to determine whether NBSP is printable.
+  # FreeBSD 11 and OS X treat NBSP as non printable ?
+  if test "$(env printf "=$char=" | wc -L)" = 3; then
+    test $(env printf "=$char=" | wc -w) = 2 || fail=1
+  fi
+}
+
+export LC_ALL=en_US.iso8859-1  # only lowercase form works on macOS 10.15.7
+if test "$(locale charmap 2>/dev/null | sed 's/iso/ISO-/')" = ISO-8859-1; then
+  check_word_sep '\xA0'
+fi
+
+export LC_ALL=en_US.UTF-8
+if test "$(locale charmap 2>/dev/null)" = UTF-8; then
+  check_word_sep '\u00A0'
+  check_word_sep '\u2007'
+  check_word_sep '\u202F'
+  check_word_sep '\u2060'
+fi
+
+export LC_ALL=ru_RU.KOI8-R
+if test "$(locale charmap 2>/dev/null)" = KOI8-R; then
+  check_word_sep '\x9A'
+fi
+
+Exit $fail