/*
* 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 org.castor.cpa.query.Expression;
import org.castor.cpa.query.QueryObject;
import org.castor.cpa.query.object.literal.StringLiteral;
import junit.framework.TestCase;
/**
* Junit Test for testing concat 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 TestConcat extends TestCase {
//--------------------------------------------------------------------------
/**
* Junit Test for instance.
*/
public void testInstance() {
QueryObject n = new Concat();
assertTrue(n instanceof CompoundExpression);
assertTrue(n instanceof AbstractExpression);
assertTrue(n instanceof Expression);
}
/**
* Junit Test for getOperator.
*/
public void testGetOperator() {
Concat concat = new Concat();
assertEquals(" || ", concat.getOperator());
}
/**
* Junit Test for overwritten concat factory method.
*/
public void testFactoryMethodConcat() {
Concat concat = new Concat();
concat.addExpression(new StringLiteral("3"));
concat.addExpression(new StringLiteral("2"));
Expression n = concat;
Expression exp = n.concat(new StringLiteral("1"));
assertEquals("'3' || '2' || '1'", exp.toString());
}
//--------------------------------------------------------------------------
}