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# $FreeBSD: releng/12.1/bin/sh/tests/expansion/plus-minus7.0 216738 2010-12-27 15:57:41Z emaste $
e= s='foo'
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 'set -- ${s+a b}' '2|a|b'
testcase 'set -- ${e:-a b}' '2|a|b'
test "x$failures" = x
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