freebsd-dev/tools/regression/bin/sh/expansion/arith5.0
Jilles Tjoelker 8ef6f9f2d2 sh: Add test for nested arithmetic substitution.
Pre-r206145 sh changes nested arithmetic substitution to parentheses, which
is not always correct, as exercised by this test.
2010-04-04 16:48:33 +00:00

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# $FreeBSD$
failures=0
check() {
if [ "$2" != "$3" ]; then
failures=$((failures+1))
echo "For $1, expected $3 actual $2"
fi
}
unset a
check '$((1+${a:-$((7+2))}))' "$((1+${a:-$((7+2))}))" 10
check '$((1+${a:=$((2+2))}))' "$((1+${a:=$((2+2))}))" 5
check '$a' "$a" 4
exit $((failures != 0))