source: vendor/bash/3.1-p17/tests/func3.sub

#
# test some posix-mode-specific function behavior
#
set -o posix
func()
{
        return 5
}

myfunction () {
    var=20 return
}
var=10
echo expect 5 10
func
echo $? $var

myfunction
echo expect 20
echo $var

echo expect 5 20
func
echo $? $var

echo expect 5 30
var=30 func
echo $? $var

: ${TMPDIR:=/tmp}
TMPFILE=$TMPDIR/func3.sub.$$

rm -f $TMPFILE
echo 'var=40 return 2' > $TMPFILE

# test the behavior of `return' and preceding variable assignments here
# because it's convenient
var=10
echo expect 2 40
. $TMPFILE
echo $? $var

rm -f $TMPFILE

#set -o posix
var=0
func()
{
        var=20 return 5
}

echo expect 5 20
var=30 func
echo $? $var