Fri, 05 Jul 2013 11:04:22 +0100
8016702: use of ternary operator in lambda expression gives incorrect results
Summary: Constant types erroneously creep in during inference
Reviewed-by: jjg, vromero
emc@1808 | 1 | /* |
emc@1808 | 2 | * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
emc@1808 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
emc@1808 | 4 | * |
emc@1808 | 5 | * This code is free software; you can redistribute it and/or modify it |
emc@1808 | 6 | * under the terms of the GNU General Public License version 2 only, as |
emc@1808 | 7 | * published by the Free Software Foundation. |
emc@1808 | 8 | * |
emc@1808 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
emc@1808 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
emc@1808 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
emc@1808 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
emc@1808 | 13 | * accompanied this code). |
emc@1808 | 14 | * |
emc@1808 | 15 | * You should have received a copy of the GNU General Public License version |
emc@1808 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
emc@1808 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
emc@1808 | 18 | * |
emc@1808 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
emc@1808 | 20 | * or visit www.oracle.com if you need additional information or have any |
emc@1808 | 21 | * questions. |
emc@1808 | 22 | */ |
emc@1808 | 23 | |
emc@1808 | 24 | /* |
emc@1808 | 25 | * @test |
emc@1808 | 26 | * @bug 8015701 |
emc@1808 | 27 | * @summary javac should generate method parameters correctly. |
emc@1808 | 28 | * @compile -parameters AnonymousParameters.java |
emc@1808 | 29 | * @run main AnonymousParameters |
emc@1808 | 30 | */ |
emc@1808 | 31 | import java.lang.Class; |
emc@1808 | 32 | import java.lang.reflect.Constructor; |
emc@1808 | 33 | import java.lang.reflect.Parameter; |
emc@1808 | 34 | import java.util.concurrent.Callable; |
emc@1808 | 35 | |
emc@1808 | 36 | public class AnonymousParameters { |
emc@1808 | 37 | |
emc@1808 | 38 | String[] names = { |
emc@1808 | 39 | "this$0", |
emc@1808 | 40 | "val$message" |
emc@1808 | 41 | }; |
emc@1808 | 42 | |
emc@1808 | 43 | public static void main(String... args) throws Exception { |
emc@1808 | 44 | new AnonymousParameters().run(); |
emc@1808 | 45 | } |
emc@1808 | 46 | |
emc@1808 | 47 | void run() throws Exception { |
emc@1808 | 48 | Class<?> cls = new ParameterNames().makeInner("hello").getClass(); |
emc@1808 | 49 | Constructor<?> ctor = cls.getDeclaredConstructors()[0]; |
emc@1808 | 50 | Parameter[] params = ctor.getParameters(); |
emc@1808 | 51 | |
emc@1808 | 52 | if(params.length == 2) { |
emc@1808 | 53 | for(int i = 0; i < 2; i++) { |
emc@1808 | 54 | System.err.println("Testing parameter " + params[i].getName()); |
emc@1808 | 55 | if(!params[i].getName().equals(names[i])) |
emc@1808 | 56 | error("Expected parameter name " + names[i] + |
emc@1808 | 57 | " got " + params[i].getName()); |
emc@1808 | 58 | } |
emc@1808 | 59 | } else |
emc@1808 | 60 | error("Expected 2 parameters"); |
emc@1808 | 61 | |
emc@1808 | 62 | if(0 != errors) |
emc@1808 | 63 | throw new Exception("MethodParameters test failed with " + |
emc@1808 | 64 | errors + " errors"); |
emc@1808 | 65 | } |
emc@1808 | 66 | |
emc@1808 | 67 | void error(String msg) { |
emc@1808 | 68 | System.err.println("Error: " + msg); |
emc@1808 | 69 | errors++; |
emc@1808 | 70 | } |
emc@1808 | 71 | |
emc@1808 | 72 | int errors; |
emc@1808 | 73 | } |
emc@1808 | 74 | |
emc@1808 | 75 | class ParameterNames { |
emc@1808 | 76 | |
emc@1808 | 77 | public Callable<String> makeInner(final String message) { |
emc@1808 | 78 | return new Callable<String>() { |
emc@1808 | 79 | public String call() throws Exception { |
emc@1808 | 80 | return message; |
emc@1808 | 81 | } |
emc@1808 | 82 | }; |
emc@1808 | 83 | } |
emc@1808 | 84 | |
emc@1808 | 85 | public static void main(String... args) throws Exception { |
emc@1808 | 86 | ParameterNames test = new ParameterNames(); |
emc@1808 | 87 | System.out.println(test.makeInner("Hello").call()); |
emc@1808 | 88 | } |
emc@1808 | 89 | } |