/**
* Copyright (C) 2009-2010 Wilfred Springer
*
* This file is part of Preon.
*
* Preon is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2, or (at your option) any later version.
*
* Preon is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* Preon; see the file COPYING. If not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Linking this library statically or dynamically with other modules is making a
* combined work based on this library. Thus, the terms and conditions of the
* GNU General Public License cover the whole combination.
*
* As a special exception, the copyright holders of this library give you
* permission to link this library with independent modules to produce an
* executable, regardless of the license terms of these independent modules, and
* to copy and distribute the resulting executable under terms of your choice,
* provided that you also meet, for each linked independent module, the terms
* and conditions of the license of that module. An independent module is a
* module which is not derived from or based on this library. If you modify this
* library, you may extend this exception to your version of the library, but
* you are not obligated to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
package org.codehaus.preon.el;
import org.codehaus.preon.el.ast.ArithmeticNode;
import org.codehaus.preon.el.ast.IntegerNode;
import org.codehaus.preon.el.ast.Node;
import org.codehaus.preon.el.ast.RelationalNode;
import org.codehaus.preon.el.ast.ArithmeticNode.Operator;
import org.codehaus.preon.el.ast.RelationalNode.Relation;
import org.junit.Test;
import static org.junit.Assert.*;
public class NodeTest {
@SuppressWarnings("unchecked")
@Test
public void testJustArithmetic() {
Node<Integer,?> a = new IntegerNode(12);
Node<Integer,?> b = new IntegerNode(13);
Node<Integer,?> expr = new ArithmeticNode(Operator.plus, a, b);
assertEquals(25, expr.eval(null).intValue());
}
@SuppressWarnings("unchecked")
@Test
public void testJustRelation() {
Node<Integer,?> a = new IntegerNode(12);
Node<Integer,?> b = new IntegerNode(13);
Node<Boolean,?> expr = new RelationalNode(Relation.GT, a, b);
assertEquals(false, expr.eval(null).booleanValue());
}
@SuppressWarnings("unchecked")
@Test
public void testCompound() {
Node<Integer,?> a = new IntegerNode(12);
Node<Integer,?> b = new IntegerNode(13);
Node<Integer,?> c = new IntegerNode(14);
Node<Integer,?> d = new IntegerNode(15);
Node<Integer,?> expr1 = new ArithmeticNode(Operator.plus, a, b);
Node<Integer,?> expr2 = new ArithmeticNode(Operator.minus, c, d);
Node<Boolean,?> expr = new RelationalNode(Relation.GT, expr1, expr2);
assertEquals(true, expr.eval(null).booleanValue());
}
}