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sh: Add test for nested arithmetic substitution.

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Pre-r206145 sh changes nested arithmetic substitution to parentheses, which
is not always correct, as exercised by this test.
This commit is contained in:
jilles 2010-04-04 16:48:33 +00:00
parent 85f39c5eeb
commit ca9540f0dc
1 changed files with 17 additions and 0 deletions
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17
tools/regression/bin/sh/expansion/arith5.0 Normal file
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@ -0,0 +1,17 @@
# $FreeBSD$
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))