/*

 * Copyright (c) 2015, 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.

 *

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 */

/*

 * @test

 * @bug 8080842

 * @summary Ensure Scope impl can cope with remove() when a field and method share the name.

 * @run main RemoveSymbolTest

 */

import java.util.Iterator;

import java.util.LinkedList;

public class RemoveSymbolTest<W> implements Iterable<W> {

    static class Widget {

        private String name;

        Widget(String s) { name = s; }

        @Override public String toString() { return name; }

    }

    private LinkedList<W> data;

    // Instantiate an Iterable instance using a Lambda expression.

    // Causes ClassFormatError if a local variable of type Widget is named after one of the methods.

    private final Iterable<W> myIterator1 = () -> new Iterator<W>() {

        private W hasNext = null;

        private int index = 0;

        @Override public boolean hasNext() { return index < data.size(); }

        @Override public W next() { return data.get(index++); }

    };

    // Instantiate an Iterable instance using an anonymous class.

    // Always works fine regardless of the name of the local variable.

    private final Iterable<W> myIterator2 =

        new Iterable<W>() {

        @Override

        public Iterator<W> iterator() {

            return new Iterator<W>() {

                private W hasNext = null;

                private int index = 0;

                @Override public boolean hasNext() { return index < data.size(); }

                @Override public W next() { return data.get(index++); }

            };

        }

    };

    public RemoveSymbolTest() { data = new LinkedList<>(); }

    public void add(W e) { data.add(e); }

    @Override public String toString() { return data.toString(); }

    @Override public Iterator<W> iterator() { return myIterator1.iterator(); }

    public static void main(String[] args) {

        RemoveSymbolTest<Widget> widgets = new RemoveSymbolTest<>();

        widgets.add(new Widget("W1"));

        widgets.add(new Widget("W2"));

        widgets.add(new Widget("W3"));

        System.out.println(".foreach() call: ");

        widgets.forEach(w -> System.out.println(w + " "));

    }

}