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########################################################################
# #
# This software is part of the ast package #
# Copyright (c) 1982-2011 AT&T Intellectual Property #
# and is licensed under the #
# Eclipse Public License, Version 1.0 #
# by AT&T Intellectual Property #
# #
# A copy of the License is available at #
# http://www.eclipse.org/org/documents/epl-v10.html #
# (with md5 checksum b35adb5213ca9657e911e9befb180842) #
# #
# Information and Software Systems Research #
# AT&T Research #
# Florham Park NJ #
# #
# David Korn <dgk@research.att.com> #
# #
########################################################################
# test the behavior of return and exit with functions
function err_exit
{
print -u2 -n "\t"
print -u2 -r ${Command}[$1]: "${@:2}"
let Errors+=1
}
alias err_exit='err_exit $LINENO'
Command=${0##*/}
integer Errors=0
tmp=$(mktemp -dt) || { err_exit mktemp -dt failed; exit 1; }
trap "cd /; rm -rf $tmp" EXIT
unset HISTFILE
foo=NOVAL bar=NOVAL
file=$tmp/test
function foo
{
typeset foo=NOEXIT
trap "foo=EXIT;rm -f $file" EXIT
> $file
if (( $1 == 0 ))
then return $2
elif (( $1 == 1 ))
then exit $2
else bar "$@"
fi
}
function bar
{
typeset bar=NOEXIT
trap 'bar=EXIT' EXIT
if (( $1 == 2 ))
then return $2
elif (( $1 == 3 ))
then exit $2
fi
}
function funcheck
{
[[ $foo == EXIT ]] || err_exit "foo "$@" : exit trap not set"
if [[ -f $file ]]
then rm -r $file
err_exit "foo $@: doesn't remove $file"
fi
foo=NOVAL bar=NOVAL
}
(exit 0) || err_exit "exit 0 is not zero"
(return 0) || err_exit "return 0 is not zero"
(exit) || err_exit "default exit value is not zero"
(return) || err_exit "default return value is not zero"
(exit 35)
ret=$?
if (( $ret != 35 ))
then err_exit "exit 35 is $ret not 35"
fi
(return 35)
ret=$?
if (( $ret != 35 ))
then err_exit "return 35 is $ret not 35"
fi
foo 0 0 || err_exit "foo 0 0: incorrect return"
funcheck 0 0
foo 0 3
ret=$?
if (( $ret != 3 ))
then err_exit "foo 0 3: return is $ret not 3"
fi
funcheck 0 3
foo 2 0 || err_exit "foo 2 0: incorrect return"
[[ $bar == EXIT ]] || err_exit "foo 2 0: bar exit trap not set"
funcheck 2 0
foo 2 3
ret=$?
if (( $ret != 3 ))
then err_exit "foo 2 3: return is $ret not 3"
fi
[[ $bar == EXIT ]] || err_exit "foo 2 3: bar exit trap not set"
funcheck 2 3
(foo 3 3)
ret=$?
if (( $ret != 3 ))
then err_exit "foo 3 3: return is $ret not 3"
fi
foo=EXIT
funcheck 3 3
cat > $file <<!
return 3
exit 4
!
( . $file )
ret=$?
if (( $ret != 3 ))
then err_exit "return in dot script is $ret should be 3"
fi
chmod 755 $file
( $file )
ret=$?
if (( $ret != 3 ))
then err_exit "return in script is $ret should be 3"
fi
cat > $file <<!
: line 1
# next line should fail and cause an exit
: > /
exit 4
!
( . $file ; exit 5 ) 2> /dev/null
ret=$?
if (( $ret != 1 ))
then err_exit "error in dot script is $ret should be 1"
fi
( $file; exit 5 ) 2> /dev/null
ret=$?
if (( $ret != 5 ))
then err_exit "error in script is $ret should be 5"
fi
cat > $file <<\!
print -r -- "$0"
!
x=$( . $file)
if [[ $x != $0 ]]
then err_exit "\$0 in a dot script is $x. Should be $0"
fi
x=$($SHELL -i --norc 2> /dev/null <<\!
typeset -i x=1/0
print hello
!
)
if [[ $x != hello ]]
then err_exit "interactive shell terminates with error in bltin"
fi
x=$( set -e
false
print bad
)
if [[ $x != '' ]]
then err_exit "set -e doesn't terminate script on error"
fi
x=$( set -e
trap 'exit 0' EXIT
false
print bad
)
if (( $? != 0 ))
then err_exit "exit 0 in trap should doesn't set exit value to 0"
fi
$SHELL <<\!
trap 'exit 8' EXIT
exit 1
!
if (( $? != 8 ))
then err_exit "exit 8 in trap should set exit value to 8"
fi
exit $((Errors<125?Errors:125))
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