2 files changed, 86 insertions, 0 deletions

diff --git a/usr.bin/fold/tests/Makefile b/usr.bin/fold/tests/Makefile
new file mode 100644
index 0000000000000..494b7e5b3c54a
--- /dev/null
+++ b/usr.bin/fold/tests/Makefile
@@ -0,0 +1,5 @@
+# $FreeBSD$
+
+ATF_TESTS_SH+=  fold_test
+
+.include <bsd.test.mk>
diff --git a/usr.bin/fold/tests/fold_test.sh b/usr.bin/fold/tests/fold_test.sh
new file mode 100644
index 0000000000000..17ef287203f11
--- /dev/null
+++ b/usr.bin/fold/tests/fold_test.sh
@@ -0,0 +1,81 @@
+#
+# Copyright 2017 Shivansh
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+atf_test_case b_flag
+b_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 'b'"
+}
+
+b_flag_body()
+{
+	atf_check -s exit:0 -o empty fold -b < /dev/null
+}
+
+atf_test_case s_flag
+s_flag_head()
+{
+	atf_set "descr" "Verify the usage of option 's'"
+}
+
+s_flag_body()
+{
+	atf_check -s exit:0 -o empty fold -s < /dev/null
+}
+
+atf_test_case invalid_usage
+invalid_usage_head()
+{
+	atf_set "descr" "Verify that an invalid usage with a supported option produces a valid error message"
+}
+
+invalid_usage_body()
+{
+	atf_check -s not-exit:0 -e inline:"fold: option requires an argument -- w
+usage: fold [-bs] [-w width] [file ...]
+" fold -w
+}
+
+atf_test_case no_arguments
+no_arguments_head()
+{
+	atf_set "descr" "Verify that fold(1) executes successfully and silently when invoked without any arguments"
+}
+
+no_arguments_body()
+{
+	atf_check -s exit:0 -o empty fold < /dev/null
+}
+
+atf_init_test_cases()
+{
+	atf_add_test_case b_flag
+	atf_add_test_case s_flag
+	atf_add_test_case invalid_usage
+	atf_add_test_case no_arguments
+}