xref: /src/tests/usr.bin/xlint/xlint/t_xlint.sh

# $NetBSD: t_xlint.sh,v 1.4 2023/09/07 06:24:31 rillig Exp $
#
# Copyright (c) 2023 The NetBSD Foundation, Inc.
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#
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# modification, are permitted provided that the following conditions
# are met:
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#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
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: "${lint:=/usr/bin/lint}"

atf_test_case 'run_lint1_error'
run_lint1_error_body()
{
	cat <<-EOF >input.c || atf_fail 'prepare input.c'
		#include <stdbool.h>

		bool
		return_true(void)
		{
			return 1;
		}
	EOF
	echo 'previous content' > input.ln

	cat <<-EOF > expected.out
		input.c(5): warning: missing header declaration for 'return_true' [351]
		input.c(6): error: function has return type '_Bool' but returns 'int' [211]
	EOF

	atf_check \
	    -s 'exit:1' \
	    -o 'file:expected.out' \
	    "$lint" -aabceghiprSTxz input.c

	# In case of an error, any previous output file is overwritten, and the
	# (possibly unfinished) output file is removed.
	atf_check \
	    -s 'exit:1' \
	    test -f input.ln
}


atf_test_case 'run_lint1_warning'
run_lint1_warning_body()
{
	cat <<-EOF >input.c || atf_fail 'prepare input.c'
		static int number;

		const void *
		function(int a, const char *s)
		{
			return s + a;
		}
	EOF
	cat <<-EOF >input.exp || atf_fail 'prepare input.exp'
		0sinput.c
		Sinput.c
		1s<built-in>
		2s<command-line>
		4d0.4dr8functionF2IPcCPcV
	EOF
	cat <<-EOF >expected.out
		input.c(5): warning: missing header declaration for 'function' [351]
		input.c(1): warning: static variable 'number' unused [226]
	EOF

	atf_check \
	    -o 'file:expected.out' \
	    "$lint" -aabceghiprSTxz input.c
	atf_check \
	    -o 'file:input.exp' \
	    cat input.ln
}


atf_test_case 'run_lint2'
run_lint2_body()
{
	cat <<-EOF >input.ln || atf_fail 'prepare input.ln'
		0sinput.c
		Sinput.c
		1s<built-in>
		2s<command-line>
		4d0.4dr8functionF2IPcCPcV
	EOF

	# Most of the command line options are not relevant for lint2,
	# so they are effectively ignored.  The option '-i' is absent.
	#
	# Depending on whether the lint libraries are installed or not, there
	# may be a warning 'cannot find llib-lc.ln' on stderr.
	atf_check \
	    -o 'inline:function defined( input.c(4) ), but never used\n' \
	    -e 'ignore' \
	    "$lint" -aabceghprSTxz input.ln
}


atf_init_test_cases()
{
	atf_add_test_case 'run_lint1_error'
	atf_add_test_case 'run_lint1_warning'
	atf_add_test_case 'run_lint2'
}