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