/*
* 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.function;
import junit.framework.TestCase;
import org.castor.cpa.query.Expression;
import org.castor.cpa.query.Function;
import org.castor.cpa.query.QueryObject;
import org.castor.cpa.query.object.expression.AbstractExpression;
/**
* Junit Test for testing SUBSTRING function class 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 TestSubstring extends TestCase {
//--------------------------------------------------------------------------
/**
* Junit Test for instance.
*/
public void testInstance() {
QueryObject n = new Substring();
assertTrue(n instanceof AbstractFunction);
assertTrue(n instanceof Function);
assertTrue(n instanceof AbstractExpression);
assertTrue(n instanceof Expression);
}
/**
* Junit Test for Getter and Setter methods.
*/
public void testGSetter() {
Substring n = new Substring();
Expression string = new MockExpression();
Expression start = new MockExpression();
Expression length = new MockExpression();
n.setString(string);
n.setIndex(start);
n.setLength(length);
assertEquals(string, n.getString());
assertEquals(start, n.getIndex());
assertEquals(length, n.getLength());
}
/**
* Junit Test for toString method.
*/
public void testToString() {
Substring n = new Substring();
Expression string = new MockExpression();
Expression start = new MockExpression();
Expression length = new MockExpression();
n.setString(string);
n.setIndex(start);
n.setLength(length);
assertEquals("SUBSTRING(expression, expression, expression)", n.toString());
n.setString(null);
n.setIndex(start);
n.setLength(length);
assertEquals("SUBSTRING(, expression, expression)", n.toString());
n.setString(string);
n.setIndex(null);
n.setLength(length);
assertEquals("SUBSTRING(expression, , expression)", n.toString());
n.setString(string);
n.setIndex(start);
n.setLength(null);
assertEquals("SUBSTRING(expression, expression, )", n.toString());
n.setString(null);
n.setIndex(null);
n.setLength(null);
assertEquals("SUBSTRING(, , )", n.toString());
}
//--------------------------------------------------------------------------
}