1 /* 2 * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.scenario.effect.compiler.parser; 27 28 import com.sun.scenario.effect.compiler.JSLParser; 29 import com.sun.scenario.effect.compiler.model.BinaryOpType; 30 import com.sun.scenario.effect.compiler.tree.BinaryExpr; 31 import org.antlr.runtime.RecognitionException; 32 import org.junit.Before; 33 import org.junit.Test; 34 import static org.junit.Assert.assertEquals; 35 36 public class AddExprTest extends MultExprTest { 37 38 private String mult; 39 40 @Before 41 @Override 42 public void setUp() { 43 super.setUp(); 44 this.mult = multiplicative(); 45 } 46 47 @Test 48 public void oneAddition() throws Exception { 49 BinaryExpr tree = parseTreeFor(mult + " + " + mult); 50 assertEquals(tree.getOp(), BinaryOpType.ADD); 51 } 52 53 @Test 54 public void oneSubtraction() throws Exception { 55 BinaryExpr tree = parseTreeFor(mult + " - " + mult); 56 assertEquals(tree.getOp(), BinaryOpType.SUB); 57 } 58 59 @Test 60 public void additiveCombination() throws Exception { 61 BinaryExpr tree = parseTreeFor(mult + " + " + mult + '-' + mult + '-' + mult + " +" + mult); 62 assertEquals(tree.getOp(), BinaryOpType.ADD); 63 } 64 65 @Test(expected = ClassCastException.class) 66 public void notAnAdditiveExpression() throws Exception { 67 parseTreeFor(mult + "!" + mult); 68 } 69 70 private BinaryExpr parseTreeFor(String text) throws RecognitionException { 71 JSLParser parser = parserOver(text); 72 return (BinaryExpr)parser.additive_expression(); 73 } 74 75 protected String additive() { 76 return "(" + multiplicative() + " + " + multiplicative() + ")"; 77 } 78 }