stdbuf_test.sh

#
# Copyright 2017-2018 Shivansh Rai

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# $FreeBSD$
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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:"stdbuf: option requires an argument -- e
Usage: stdbuf [-e 0|L|<sz>] [-i 0|L|<sz>] [-o 0|L|<sz>] <cmd> [args ...]
" stdbuf -e
	atf_check -s not-exit:0 -e inline:"stdbuf: option requires an argument -- i
Usage: stdbuf [-e 0|L|<sz>] [-i 0|L|<sz>] [-o 0|L|<sz>] <cmd> [args ...]
" stdbuf -i
	atf_check -s not-exit:0 -e inline:"stdbuf: option requires an argument -- o
Usage: stdbuf [-e 0|L|<sz>] [-i 0|L|<sz>] [-o 0|L|<sz>] <cmd> [args ...]
" stdbuf -o
}

atf_test_case no_arguments
no_arguments_head()
{
	atf_set "descr" "Verify that stdbuf(1) executes successfully and silently " \
			"when invoked without any arguments"
}

no_arguments_body()
{
	atf_check -s exit:0 -o empty stdbuf
}

atf_init_test_cases()
{
	atf_add_test_case invalid_usage
	atf_add_test_case no_arguments
}