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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
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/*
 * @test
 * @bug 4706533
 * @summary UndoManager.setLimit(0) doesn't correctly trim the UndoManager size
 * @run main bug4706533
 */

import javax.swing.undo.AbstractUndoableEdit;
import javax.swing.undo.CannotUndoException;
import javax.swing.undo.CannotRedoException;
import javax.swing.undo.UndoManager;

public class bug4706533 {

    public static void main(String[] args) throws Exception {
        UndoManager manager = new UndoManager();
        manager.setLimit(1);
        AbstractUndoableEdit edit = new MyUndoableEdit();
        manager.addEdit(edit);
        manager.setLimit(0);
        try {
            manager.undo();
            throw new RuntimeException("The limit should be zero");
        } catch (CannotUndoException e) {
            //Expected to be thrown
        }
    }

    static class MyUndoableEdit extends AbstractUndoableEdit {
        @Override
        public void undo() throws CannotUndoException {}
        @Override
        public void redo() throws CannotRedoException {}
    }
}