1 /* 2 * Copyright (c) 2012, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8015701 27 * @summary javac should generate method parameters correctly. 28 * @compile -parameters AnonymousParameters.java 29 * @run main AnonymousParameters 30 */ 31 import java.lang.Class; 32 import java.lang.reflect.Constructor; 33 import java.lang.reflect.Parameter; 34 import java.util.concurrent.Callable; 35 36 public class AnonymousParameters { 37 38 String[] names = { 39 "this$0", 40 "val$message" 41 }; 42 43 public static void main(String... args) throws Exception { 44 new AnonymousParameters().run(); 45 } 46 47 void run() throws Exception { 48 Class<?> cls = new ParameterNames().makeInner("hello").getClass(); 49 Constructor<?> ctor = cls.getDeclaredConstructors()[0]; 50 Parameter[] params = ctor.getParameters(); 51 52 if(params.length == 2) { 53 for(int i = 0; i < 2; i++) { 54 System.err.println("Testing parameter " + params[i].getName()); 55 if(!params[i].getName().equals(names[i])) 56 error("Expected parameter name " + names[i] + 57 " got " + params[i].getName()); 58 } 59 } else 60 error("Expected 2 parameters"); 61 62 if(0 != errors) 63 throw new Exception("MethodParameters test failed with " + 64 errors + " errors"); 65 } 66 67 void error(String msg) { 68 System.err.println("Error: " + msg); 69 errors++; 70 } 71 72 int errors; 73 } 74 75 class ParameterNames { 76 77 public Callable<String> makeInner(final String message) { 78 return new Callable<String>() { 79 public String call() throws Exception { 80 return message; 81 } 82 }; 83 } 84 85 public static void main(String... args) throws Exception { 86 ParameterNames test = new ParameterNames(); 87 System.out.println(test.makeInner("Hello").call()); 88 } 89 }