/*
* *************************************************************************************
* Copyright (C) 2008 EsperTech, Inc. All rights reserved. *
* http://esper.codehaus.org *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
* *************************************************************************************
*/
package com.espertech.esper.epl.expression;
import com.espertech.esper.support.epl.SupportExprNodeUtil;
import junit.framework.TestCase;
import com.espertech.esper.support.epl.SupportExprNode;
import com.espertech.esper.support.epl.SupportBoolExprNode;
import com.espertech.esper.type.MinMaxTypeEnum;
public class TestExprOrNode extends TestCase
{
private ExprOrNode orNode;
public void setUp()
{
orNode = new ExprOrNode();
}
public void testGetType()
{
assertEquals(Boolean.class, orNode.getType());
}
public void testValidate() throws Exception
{
// test success
orNode.addChildNode(new SupportExprNode(Boolean.class));
orNode.addChildNode(new SupportExprNode(Boolean.class));
orNode.validate(ExprValidationContextFactory.makeEmpty());
// test failure, type mismatch
orNode.addChildNode(new SupportExprNode(String.class));
try
{
orNode.validate(ExprValidationContextFactory.makeEmpty());
fail();
}
catch (ExprValidationException ex)
{
// Expected
}
// test failed - with just one child
orNode = new ExprOrNode();
orNode.addChildNode(new SupportExprNode(Boolean.class));
try
{
orNode.validate(ExprValidationContextFactory.makeEmpty());
fail();
}
catch (ExprValidationException ex)
{
// Expected
}
}
public void testEvaluate() throws Exception
{
orNode.addChildNode(new SupportBoolExprNode(true));
orNode.addChildNode(new SupportBoolExprNode(false));
SupportExprNodeUtil.validate(orNode);
assertTrue( (Boolean) orNode.evaluate(null, false, null));
orNode = new ExprOrNode();
orNode.addChildNode(new SupportBoolExprNode(false));
orNode.addChildNode(new SupportBoolExprNode(false));
SupportExprNodeUtil.validate(orNode);
assertFalse( (Boolean) orNode.evaluate(null, false, null));
orNode = new ExprOrNode();
orNode.addChildNode(new SupportExprNode(null, Boolean.class));
orNode.addChildNode(new SupportExprNode(false));
SupportExprNodeUtil.validate(orNode);
assertNull(orNode.evaluate(null, false, null));
}
public void testToExpressionString() throws Exception
{
orNode.addChildNode(new SupportExprNode(true));
orNode.addChildNode(new SupportExprNode(false));
assertEquals("(true OR false)", orNode.toExpressionString());
}
public void testEqualsNode() throws Exception
{
assertTrue(orNode.equalsNode(orNode));
assertFalse(orNode.equalsNode(new ExprMinMaxRowNode(MinMaxTypeEnum.MIN)));
assertTrue(orNode.equalsNode(new ExprOrNode()));
}
}