78 lines
3.1 KiB
Java
78 lines
3.1 KiB
Java
/*
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* Copyright (c) 2015, 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 8080842
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* @summary Ensure Scope impl can cope with remove() when a field and method share the name.
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* @run main RemoveSymbolTest
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*/
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import java.util.Iterator;
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import java.util.LinkedList;
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public class RemoveSymbolTest<W> implements Iterable<W> {
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static class Widget {
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private String name;
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Widget(String s) { name = s; }
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@Override public String toString() { return name; }
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}
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private LinkedList<W> data;
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// Instantiate an Iterable instance using a Lambda expression.
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// Causes ClassFormatError if a local variable of type Widget is named after one of the methods.
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private final Iterable<W> myIterator1 = () -> new Iterator<W>() {
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private W hasNext = null;
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private int index = 0;
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@Override public boolean hasNext() { return index < data.size(); }
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@Override public W next() { return data.get(index++); }
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};
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// Instantiate an Iterable instance using an anonymous class.
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// Always works fine regardless of the name of the local variable.
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private final Iterable<W> myIterator2 =
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new Iterable<W>() {
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@Override
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public Iterator<W> iterator() {
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return new Iterator<W>() {
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private W hasNext = null;
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private int index = 0;
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@Override public boolean hasNext() { return index < data.size(); }
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@Override public W next() { return data.get(index++); }
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};
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}
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};
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public RemoveSymbolTest() { data = new LinkedList<>(); }
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public void add(W e) { data.add(e); }
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@Override public String toString() { return data.toString(); }
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@Override public Iterator<W> iterator() { return myIterator1.iterator(); }
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public static void main(String[] args) {
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RemoveSymbolTest<Widget> widgets = new RemoveSymbolTest<>();
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widgets.add(new Widget("W1"));
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widgets.add(new Widget("W2"));
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widgets.add(new Widget("W3"));
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System.out.println(".foreach() call: ");
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widgets.forEach(w -> System.out.println(w + " "));
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}
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}
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