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# $FreeBSD: releng/12.1/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
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