# Copyright 2015 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#!/bin/bash

B=`basename $0 .sh`
cd `dirname $0`
source ./rungraphd

rm -rf $D
rungraphd -d${D} -bty <<-'EOF'
	write ("A" value="B C" (<- ("B" value="b1")) (<- ("C" value="c1")))
	write ("A" value="B" (<- ("B" value="b2")))
	write ("A" value="C" (<- ("C" value="c3")))
	write ("A" value="nil")
	read ("A" result=((value $b))    (<- ("B" $b=value)))
	read ("A" result=((value $b $c)) (<- ("B" $b=value)) (<- optional ("C" $c=value)))
	read ("A" result=((value $c))    (<- ("C" $c=value)))
	read ("A" result=((value $b $c)) (<- ("C" $c=value)) (<- optional ("B" $b=value)))
	read ("A" result=((value)))
	read ("A" result=((value $c $b)) (<- optional ("C" $c=value)) (<- optional ("B" $b=value)))
	EOF
rm -rf $D
