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 junit.framework.Assert; 30 import junit.framework.AssertionFailedError; 31 import org.antlr.runtime.RecognitionException; 32 import org.junit.Test; 33 34 import static org.junit.Assert.*; 35 36 public class FieldSelectTest extends ParserBase { 37 38 @Test 39 public void rgba() throws Exception { 40 String tree = parseTreeFor(".rgba"); 41 assertEquals(tree, ".rgba"); 42 } 43 44 @Test 45 public void rgb() throws Exception { 46 String tree = parseTreeFor(".rgb"); 47 assertEquals(tree, ".rgb"); 48 } 49 50 @Test 51 public void rg() throws Exception { 52 String tree = parseTreeFor(".rg"); 53 assertEquals(tree, ".rg"); 54 } 55 56 @Test 57 public void r() throws Exception { 58 String tree = parseTreeFor(".r"); 59 assertEquals(tree, ".r"); 60 } 61 62 @Test 63 public void aaaa() throws Exception { 64 String tree = parseTreeFor(".aaaa"); 65 assertEquals(tree, ".aaaa"); 66 } 67 68 @Test 69 public void abgr() throws Exception { 70 String tree = parseTreeFor(".abgr"); 71 assertEquals(tree, ".abgr"); 72 } 73 74 @Test 75 public void xyzw() throws Exception { 76 String tree = parseTreeFor(".xyzw"); 77 assertEquals(tree, ".xyzw"); 78 } 79 80 @Test 81 public void xyz() throws Exception { 82 String tree = parseTreeFor(".xyz"); 83 assertEquals(tree, ".xyz"); 84 } 85 86 @Test 87 public void xy() throws Exception { 88 String tree = parseTreeFor(".xy"); 89 assertEquals(tree, ".xy"); 90 } 91 92 @Test 93 public void x() throws Exception { 94 String tree = parseTreeFor(".x"); 95 assertEquals(tree, ".x"); 96 } 97 98 @Test 99 public void zzz() throws Exception { 100 String tree = parseTreeFor(".zzz"); 101 assertEquals(tree, ".zzz"); 102 } 103 104 @Test 105 public void wzyz() throws Exception { 106 String tree = parseTreeFor(".wzyx"); 107 assertEquals(tree, ".wzyx"); 108 } 109 110 @Test(expected = RecognitionException.class) 111 public void notAFieldSelection1() throws Exception { 112 parseTreeFor("qpz"); 113 } 114 115 @Test(expected = AssertionFailedError.class) 116 public void notAFieldSelection2() throws Exception { 117 parseTreeFor(".xqpz", true); 118 } 119 120 @Test(expected = AssertionFailedError.class) 121 public void tooManyVals() throws Exception { 122 parseTreeFor(".xyzwx", true); 123 } 124 125 @Test(expected = AssertionFailedError.class) 126 public void mixedVals() throws Exception { 127 parseTreeFor(".xyba", true); 128 } 129 130 private String parseTreeFor(String text) throws RecognitionException { 131 return parseTreeFor(text, false); 132 } 133 134 private String parseTreeFor(String text, boolean expectEx) throws RecognitionException { 135 JSLParser parser = parserOver(text); 136 String ret = parser.field_selection(); 137 // TODO: there's probably a better way to check for trailing (invalid) characters 138 boolean sawException = false; 139 try { 140 parser.field_selection(); 141 } catch (Exception e) { 142 sawException = true; 143 } 144 if (sawException == expectEx) { 145 Assert.fail(expectEx ? "Expecting EOF" : "Not expecting EOF"); 146 } 147 return ret; 148 } 149 }