ClearChanged.java

/*
 * Copyright (c) 1999, 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 4294991
 * @summary Test that Observer.notifyObservers calls clearChanged
 */

import java.util.*;

public class ClearChanged extends Observable {

    boolean clearChangedCalled = false;

    public static void main(String[] args) {
        ClearChanged test = new ClearChanged();
        test.setChanged();
        test.notifyObservers(new Object());

        if (!test.clearChangedCalled)
           throw new RuntimeException("setChanged method not called.");
    }

    public void clearChanged() {
        clearChangedCalled = true;
        super.clearChanged();
    }
}