NetBSD-5.0.2/tests/util/sh/t_expand.sh

# $NetBSD: t_expand.sh,v 1.2 2008/04/30 13:11:00 martin Exp $
#
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#
# This file tests the functions in expand.c.
#

atf_test_case dollar_at
dollar_at_head() {
	atf_set "descr" "Somewhere between 2.0.2 and 3.0 the expansion" \
	                "of the \$@ variable had been broken.  Check for" \
			"this behavior."
}
dollar_at_body() {
	# This one should work everywhere.
	got=`echo "" "" | sed 's,$,EOL,'`
	atf_check_equal ' EOL' '$got'

	# This code triggered the bug.
	set -- "" ""
	got=`echo "$@" | sed 's,$,EOL,'`
	atf_check_equal ' EOL' '$got'

	set -- -
	shift
	n_arg() { echo $#; }
	n_args=`n_arg "$@"`
	atf_check_equal '0' '$n_args'
}

atf_test_case strip
strip_head() {
	atf_set "descr" "Checks that the %% operator works and strips" \
	                "the contents of a variable from the given point" \
			"to the end"
}
strip_body() {
	line='#define bindir "/usr/bin" /* comment */'
	stripped='#define bindir "/usr/bin" '
	atf_check_equal '$stripped' '${line%%/\**}'
}

atf_test_case arithmetic
arithmetic_head() {
	atf_set "descr" "POSIX requires shell arithmetic to use signed" \
	                "long or a wider type.  We use intmax_t, so at" \
			"least 64 bits should be available.  Make sure" \
			"this is true."
}
arithmetic_body() {
	atf_check_equal '3' '$((1 + 2))'
	atf_check_equal '2147483647' '$((0x7fffffff))'
	atf_check_equal '9223372036854775807' '$(((1 << 63) - 1))'
}

atf_init_test_cases() {
	atf_add_test_case dollar_at
	atf_add_test_case strip
	atf_add_test_case arithmetic
}