I don't dare to provide an OK for a rewrite of this program

without having at least some systematic testing in place.

2 files changed, 70 insertions, 0 deletions

diff --git a/regress/usr.bin/column/Makefile b/regress/usr.bin/column/Makefile
new file mode 100644
index 00000000000..6de0d261c5b
--- /dev/null
+++ b/regress/usr.bin/column/Makefile
@@ -0,0 +1,6 @@
+#	$OpenBSD: Makefile,v 1.1 2016/08/28 12:39:07 schwarze Exp $
+
+regress:
+	@sh ${.CURDIR}/column.sh
+
+.include <bsd.regress.mk>
diff --git a/regress/usr.bin/column/column.sh b/regress/usr.bin/column/column.sh
new file mode 100644
index 00000000000..ec9359ac0ba
--- /dev/null
+++ b/regress/usr.bin/column/column.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+#
+# Copyright (c) 2016 Ingo Schwarze <schwarze@openbsd.org>
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+fail=0
+
+tc1()
+{
+	expected=$(echo -n "$3")
+	result=$(echo -n "$1" | /usr/old/column $2)
+	if [ "X$result" != "X$expected" ]; then
+		fail=$((fail+1))
+		echo "argument: '$2'"
+		echo "input:    '$1'"
+		echo "expected: '$expected'"
+		echo "result:   '$result'"
+	fi
+}
+
+tc()
+{
+	input=$1
+	shift
+	while [ $# -gt 1 ]; do
+		tc1 "$input" "$1" "$2"
+		shift 2
+	done
+}
+
+tc "1\n2\n\n3\n \t \n4" \
+	"-c 7" "1\n2\n3\n4\n" \
+	"-c 15" "1\n2\n3\n4\n" \
+	"-c 16" "1\t3\n2\t4\n" \
+	"-xc 7" "1\n2\n3\n4\n" \
+	"-xc 16" "1\t2\n3\t4\n"
+tc "one\ntwo\nthree\nfour\nfive\nsix\n  seven\neight\n" \
+	"-c 23" "one\tfive\ntwo\tsix\nthree\t  seven\nfour\teight\n" \
+	"-xc 23" "one\ttwo\nthree\tfour\nfive\tsix\n  seven\teight\n" \
+	"-c 24" "one\tfour\t  seven\ntwo\tfive\teight\nthree\tsix\n" \
+	"-xc 24" "one\ttwo\tthree\nfour\tfive\tsix\n  seven\teight\n"
+tc "eleven\ntwelve\nthirteen\n" \
+	"-c 31" "eleven\ntwelve\nthirteen\n" \
+	"-c 32" "eleven\t\tthirteen\ntwelve\n" \
+	"-xc 32" "eleven\t\ttwelve\nthirteen\n"
+tc1 ".,word.,\n\t \t\n\nx.word\n" "-t -s .," "word\nx     word\n"
+tc1 "1 2   3\n4  5\n" "-t" "1  2  3\n4  5\n"
+tc1 "abc\tbc\tc\nab\tabc\tbc\na\tab\tabc\n" \
+	"-t" "abc  bc   c\nab   abc  bc\na    ab   abc\n"
+
+[ $fail -eq 0 ] && exit 0
+echo "column: $fail tests failed"
+exit 1