| /* |
| * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 8015701 |
| * @ignore 8030656 Bad version check for parameter information in src/share/vm/classfile/javaClasses.cpp |
| * @summary Test method parameter attribute generation with captured locals. |
| * @compile -parameters CaptureTest.java |
| * @run main CaptureTest |
| */ |
| import java.lang.Class; |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.Parameter; |
| import java.lang.reflect.Modifier; |
| import java.util.List; |
| import java.util.ArrayList; |
| |
| public class CaptureTest { |
| |
| private static final int SYNTHETIC = 0x1000; |
| private static final int MANDATED = 0x8000; |
| |
| public static void main(String... args) throws Exception { |
| new CaptureTest().run(); |
| } |
| |
| |
| private void run() throws Exception { |
| final Encloser pn = new Encloser(); |
| |
| /* Cases covered here: |
| * |
| * - Local class |
| * - Inner class |
| * - Anonymous class |
| * - Anonymous class extending a local |
| * - Anonymous class extending an inner |
| */ |
| pn.makeLocal("hello").check(); |
| pn.makeInner("hello").check(); |
| pn.makeAnon("hello").check(); |
| pn.makeAnonExtendsLocal("hello").check(); |
| pn.makeAnonExtendsInner("hello").check(); |
| |
| if (0 != errors) |
| throw new Exception("MethodParameters test failed with " + |
| errors + " errors"); |
| } |
| |
| private void error(final String msg) { |
| System.err.println("Error: " + msg); |
| errors++; |
| } |
| |
| int errors; |
| |
| abstract class Tester { |
| |
| public Tester(final int param) {} |
| |
| protected abstract String[] names(); |
| protected abstract int[] modifiers(); |
| protected abstract Class[] types(); |
| |
| public void check() { |
| final Class<?> cls = this.getClass(); |
| final Constructor<?> ctor = cls.getDeclaredConstructors()[0]; |
| final Parameter[] params = ctor.getParameters(); |
| final String[] names = names(); |
| final int[] modifiers = modifiers(); |
| final Class[] types = types(); |
| |
| System.err.println("Testing class " + cls); |
| |
| if (params.length == names.length) { |
| for (int i = 0; i < names.length; i++) { |
| System.err.println("Testing parameter " + params[i].getName()); |
| if (!params[i].getName().equals(names[i])) |
| error("Expected parameter name " + names[i] + |
| " got " + params[i].getName()); |
| if (params[i].getModifiers() != modifiers[i]) |
| error("Expected parameter modifiers " + |
| modifiers[i] + " got " + |
| params[i].getModifiers()); |
| if (!params[i].getType().equals(types[i])) |
| error("Expected parameter type " + types[i] + |
| " got " + params[i].getType()); |
| } |
| } else |
| error("Expected " + names.length + " parameters"); |
| |
| } |
| |
| } |
| |
| class Encloser { |
| private class InnerTester extends Tester { |
| public InnerTester(final int innerparam) { |
| super(innerparam); |
| } |
| |
| protected String[] names() { |
| return new String[] { |
| "this$1", |
| "innerparam" |
| }; |
| } |
| |
| protected int[] modifiers() { |
| return new int[] { |
| Modifier.FINAL | SYNTHETIC, |
| Modifier.FINAL |
| }; |
| } |
| |
| protected Class[] types() { |
| return new Class[] { |
| Encloser.class, |
| int.class |
| }; |
| } |
| } |
| |
| public Tester makeInner(final String message) { |
| return new InnerTester(2); |
| } |
| |
| public Tester makeLocal(final String message) { |
| class LocalTester extends Tester { |
| public LocalTester(final int localparam) { |
| super(localparam); |
| } |
| |
| protected String[] names() { |
| return new String[] { |
| "this$1", |
| "localparam", |
| "val$message" |
| }; |
| } |
| |
| protected int[] modifiers() { |
| return new int[] { |
| Modifier.FINAL | MANDATED, |
| Modifier.FINAL, |
| Modifier.FINAL | SYNTHETIC |
| }; |
| } |
| |
| protected Class[] types() { |
| return new Class[] { |
| Encloser.class, |
| int.class, |
| String.class |
| }; |
| } |
| |
| public String message() { |
| return message; |
| } |
| } |
| |
| return new LocalTester(2); |
| } |
| |
| public Tester makeAnonExtendsLocal(final String message) { |
| abstract class LocalTester extends Tester { |
| public LocalTester(final int localparam) { |
| super(localparam); |
| } |
| |
| protected String[] names() { |
| return new String[] { |
| "this$1", |
| "localparam", |
| "val$message" |
| }; |
| } |
| |
| protected int[] modifiers() { |
| return new int[] { |
| Modifier.FINAL | MANDATED, |
| Modifier.FINAL, |
| Modifier.FINAL | SYNTHETIC |
| }; |
| } |
| |
| protected Class[] types() { |
| return new Class[] { |
| Encloser.class, |
| int.class, |
| String.class |
| }; |
| } |
| |
| } |
| |
| return new LocalTester(2) { |
| public String message() { |
| return message; |
| } |
| }; |
| } |
| |
| public Tester makeAnonExtendsInner(final String message) { |
| return new InnerTester(2) { |
| protected String[] names() { |
| return new String[] { |
| "this$1", |
| "innerparam", |
| "val$message" |
| }; |
| } |
| |
| protected int[] modifiers() { |
| return new int[] { |
| Modifier.FINAL | MANDATED, |
| Modifier.FINAL, |
| Modifier.FINAL | SYNTHETIC |
| }; |
| } |
| |
| protected Class[] types() { |
| return new Class[] { |
| Encloser.class, |
| int.class, |
| String.class |
| }; |
| } |
| |
| public String message() { |
| return message; |
| } |
| }; |
| } |
| |
| public Tester makeAnon(final String message) { |
| return new Tester(2) { |
| protected String[] names() { |
| return new String[] { |
| "this$1", |
| "param", |
| "val$message" |
| }; |
| } |
| |
| protected int[] modifiers() { |
| return new int[] { |
| Modifier.FINAL | MANDATED, |
| Modifier.FINAL, |
| Modifier.FINAL | SYNTHETIC |
| }; |
| } |
| |
| protected Class[] types() { |
| return new Class[] { |
| Encloser.class, |
| int.class, |
| String.class |
| }; |
| } |
| |
| public String message() { |
| return message; |
| } |
| }; |
| } |
| } |
| } |