1 files changed, 39 insertions, 0 deletions
diff --git a/tests/misc/fold.pl b/tests/misc/fold.pl
new file mode 100755
index 0000000..3a72629
--- /dev/null
+++ b/tests/misc/fold.pl
@@ -0,0 +1,39 @@
+#!/usr/bin/perl
+# Exercise fold.
+
+# Copyright (C) 2003-2020 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/>.
+
+use strict;
+
+(my $program_name = $0) =~ s|.*/||;
+
+# Turn off localization of executable's output.
+@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
+
+my @Tests =
+  (
+   ['s1', '-w2 -s', {IN=>"a\t"}, {OUT=>"a\n\t"}],
+   ['s2', '-w4 -s', {IN=>"abcdef d\n"}, {OUT=>"abcd\nef d\n"}],
+   ['s3', '-w4 -s', {IN=>"a cd fgh\n"}, {OUT=>"a \ncd \nfgh\n"}],
+   ['s4', '-w4 -s', {IN=>"abc ef\n"}, {OUT=>"abc \nef\n"}],
+  );
+
+my $save_temps = $ENV{DEBUG};
+my $verbose = $ENV{VERBOSE};
+
+my $prog = 'fold';
+my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
+exit $fail;