busybox/testsuite/head.tests

#!/bin/sh
# Copyright 2018 Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
# Licensed under GPLv2 or later, see file LICENSE in this source tree.

. ./testing.sh

# testing "test name" "command" "expected result" "file input" "stdin"

cat <<EOF > head.input
line 1
line 2
line 3
line 4
line 5
line 6
line 7
line 8
line 9
line 10
line 11
line 12
EOF

testing "head (without args)" \
	"head head.input" \
	"line 1\nline 2\nline 3\nline 4\nline 5\nline 6\nline 7\nline 8\nline 9\nline 10\n" \
	"" ""

testing "head -n <positive number>" \
	"head -n 2 head.input" \
	"line 1\nline 2\n" \
	"" ""

testing "head -n <negative number>" \
	"head -n -9 head.input" \
	"line 1\nline 2\nline 3\n" \
	"" ""

rm head.input

exit $FAILCOUNT