/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* 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.ops;
import com.espertech.esper.epl.expression.core.ExprNodeUtility;
import com.espertech.esper.epl.expression.core.ExprValidationException;
import com.espertech.esper.supportunit.epl.SupportBoolExprNode;
import com.espertech.esper.supportunit.epl.SupportExprNode;
import com.espertech.esper.supportunit.epl.SupportExprNodeUtil;
import com.espertech.esper.util.support.SupportExprValidationContextFactory;
import junit.framework.TestCase;
public class TestExprAndNode extends TestCase {
private ExprAndNode andNode;
public void setUp() {
andNode = new ExprAndNodeImpl();
}
public void testGetType() {
assertEquals(Boolean.class, andNode.getType());
}
public void testValidate() throws Exception {
// test success
andNode.addChildNode(new SupportExprNode(Boolean.class));
andNode.addChildNode(new SupportExprNode(Boolean.class));
andNode.validate(SupportExprValidationContextFactory.makeEmpty());
// test failure, type mismatch
andNode.addChildNode(new SupportExprNode(String.class));
try {
andNode.validate(SupportExprValidationContextFactory.makeEmpty());
fail();
} catch (ExprValidationException ex) {
// Expected
}
// test failed - with just one child
andNode = new ExprAndNodeImpl();
andNode.addChildNode(new SupportExprNode(Boolean.class));
try {
andNode.validate(SupportExprValidationContextFactory.makeEmpty());
fail();
} catch (ExprValidationException ex) {
// Expected
}
}
public void testEvaluate() throws Exception {
andNode.addChildNode(new SupportBoolExprNode(true));
andNode.addChildNode(new SupportBoolExprNode(true));
SupportExprNodeUtil.validate(andNode);
assertTrue((Boolean) andNode.evaluate(null, false, null));
andNode = new ExprAndNodeImpl();
andNode.addChildNode(new SupportBoolExprNode(true));
andNode.addChildNode(new SupportBoolExprNode(false));
SupportExprNodeUtil.validate(andNode);
assertFalse((Boolean) andNode.evaluate(null, false, null));
}
public void testToExpressionString() throws Exception {
andNode.addChildNode(new SupportExprNode(true));
andNode.addChildNode(new SupportExprNode(false));
assertEquals("true and false", ExprNodeUtility.toExpressionStringMinPrecedenceSafe(andNode));
}
public void testEqualsNode() {
assertTrue(andNode.equalsNode(new ExprAndNodeImpl(), false));
assertFalse(andNode.equalsNode(new ExprOrNode(), false));
}
}