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.Qualifier; 30 import com.sun.scenario.effect.compiler.model.SymbolTable; 31 import com.sun.scenario.effect.compiler.model.Type; 32 import com.sun.scenario.effect.compiler.tree.BinaryExpr; 33 import org.antlr.runtime.RecognitionException; 34 import org.junit.Test; 35 36 public class AssignmentExprTest extends ParserBase { 37 38 @Test 39 public void userVar() throws Exception { 40 BinaryExpr tree = parseTreeFor("foo = 32.0"); 41 } 42 43 @Test(expected = RuntimeException.class) 44 public void userROVar() throws Exception { 45 BinaryExpr tree = parseTreeFor("readonly = 32.0"); 46 } 47 48 @Test 49 public void coreVar() throws Exception { 50 BinaryExpr tree = parseTreeFor("color = float4(1.0)"); 51 } 52 53 @Test 54 public void coreVarField() throws Exception { 55 BinaryExpr tree = parseTreeFor("color.r = 3.0"); 56 } 57 58 @Test(expected = RuntimeException.class) 59 public void coreROVar() throws Exception { 60 BinaryExpr tree = parseTreeFor("pos0 = float2(1.0)"); 61 } 62 63 @Test(expected = RuntimeException.class) 64 public void coreROVarField() throws Exception { 65 BinaryExpr tree = parseTreeFor("pos0.x = 1.0"); 66 } 67 68 @Test(expected = RecognitionException.class) 69 public void notAnAssignment() throws Exception { 70 parseTreeFor("const foo"); 71 } 72 73 private BinaryExpr parseTreeFor(String text) throws RecognitionException { 74 JSLParser parser = parserOver(text); 75 SymbolTable st = parser.getSymbolTable(); 76 st.declareVariable("foo", Type.FLOAT, null); 77 st.declareVariable("readonly", Type.FLOAT, Qualifier.CONST); 78 // trick test into thinking main() function is currently in 79 // scope so that we can test core variables such as color and pos0 80 st.enterFrame(); 81 st.declareFunction("main", Type.VOID, null); 82 return (BinaryExpr)parser.assignment_expression(); 83 } 84 }