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# $FreeBSD: releng/12.0/bin/sh/tests/expansion/assign1.0 204842 2010-03-07 18:43:29Z jilles $

e= q='?' a='*' t=texttext s='ast*que?non' p='/et[c]/' w='a b c' b='{{(#)}}'
h='##'
failures=''
ok=''

testcase() {
	code="$1"
	expected="$2"
	oIFS="$IFS"
	eval "$code"
	IFS='|'
	result="$#|$*"
	IFS="$oIFS"
	if [ "x$result" = "x$expected" ]; then
		ok=x$ok
	else
		failures=x$failures
		echo "For $code, expected $expected actual $result"
	fi
}

testcase 'v=; set -- ${v=a b} $v'		'0|'
testcase 'unset v; set -- ${v=a b} $v'		'4|a|b|a|b'
testcase 'v=; set -- ${v:=a b} $v'		'4|a|b|a|b'
testcase 'v=; set -- "${v:=a b}" "$v"'		'2|a b|a b'
# expect sensible behaviour, although it disagrees with POSIX
testcase 'v=; set -- ${v:=a\ b} $v'		'4|a|b|a|b'
testcase 'v=; set -- ${v:=$p} $v'		'2|/etc/|/etc/'
testcase 'v=; set -- "${v:=$p}" "$v"'		'2|/et[c]/|/et[c]/'
testcase 'v=; set -- "${v:=a\ b}" "$v"'		'2|a\ b|a\ b'
testcase 'v=; set -- ${v:="$p"} $v'		'2|/etc/|/etc/'
# whether $p is quoted or not shouldn't really matter
testcase 'v=; set -- "${v:="$p"}" "$v"'		'2|/et[c]/|/et[c]/'

test "x$failures" = x