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.model.Type; 31 import com.sun.scenario.effect.compiler.tree.BinaryExpr; 32 import org.antlr.runtime.RecognitionException; 33 import org.junit.Test; 34 35 import static org.junit.Assert.*; 36 37 public class RelationalExprTest extends ParserBase { 38 39 @Test 40 public void oneLtEq() throws Exception { 41 BinaryExpr tree = parseTreeFor("foo <= 3"); 42 assertEquals(tree.getOp(), BinaryOpType.LTEQ); 43 } 44 45 @Test 46 public void oneGtEq() throws Exception { 47 BinaryExpr tree = parseTreeFor("foo >= 3"); 48 assertEquals(tree.getOp(), BinaryOpType.GTEQ); 49 } 50 51 @Test 52 public void oneLt() throws Exception { 53 BinaryExpr tree = parseTreeFor("foo < 3"); 54 assertEquals(tree.getOp(), BinaryOpType.LT); 55 } 56 57 @Test 58 public void oneGt() throws Exception { 59 BinaryExpr tree = parseTreeFor("foo > 3"); 60 assertEquals(tree.getOp(), BinaryOpType.GT); 61 } 62 63 @Test(expected = RecognitionException.class) 64 public void notARelationalExpression() throws Exception { 65 parseTreeFor("foo @ 3"); 66 } 67 68 private BinaryExpr parseTreeFor(String text) throws RecognitionException { 69 JSLParser parser = parserOver(text); 70 parser.getSymbolTable().declareVariable("foo", Type.INT, null); 71 return (BinaryExpr)parser.relational_expression(); 72 } 73 }