/*
* Copyright 2008 Udai Gupta, Ralf Joachim
*
* 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.
*/
package org.castor.cpa.query.object.expression;
import junit.framework.TestCase;
import org.castor.cpa.query.Expression;
import org.castor.cpa.query.QueryObject;
import org.castor.cpa.query.object.literal.LongLiteral;
/**
* Junit Test for testing add arithmetic expression of query objects.
*
* @author <a href="mailto:mailtoud AT gmail DOT com">Udai Gupta</a>
* @author <a href="mailto:ralf DOT joachim AT syscon DOT eu">Ralf Joachim</a>
* @version $Revision: 7121 $ $Date: 2006-04-25 16:09:10 -0600 (Tue, 25 Apr 2006) $
* @since 1.3
*/
public final class TestAdd extends TestCase {
//--------------------------------------------------------------------------
/**
* Junit Test for instance.
*/
public void testInstance() {
QueryObject n = new Add();
assertTrue(n instanceof CompoundExpression);
assertTrue(n instanceof AbstractExpression);
assertTrue(n instanceof Expression);
}
/**
* Junit Test for getOperator.
*/
public void testGetOperator() {
Add add = new Add();
assertEquals(" + ", add.getOperator());
}
/**
* Junit Test for overwritten add factory method.
*/
public void testFactoryMethodAdd() {
Add add = new Add();
add.addExpression(new LongLiteral(3));
add.addExpression(new LongLiteral(2));
Expression n = add;
Expression exp = n.add(new LongLiteral(1));
assertEquals("3 + 2 + 1", exp.toString());
}
//--------------------------------------------------------------------------
}