68 lines
2.2 KiB
Java
68 lines
2.2 KiB
Java
/*
|
|
* Copyright (c) 2004, 2023, 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.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @bug 4992178
|
|
* @summary REGRESSION: Allow unlimited number of edits in an UndoManager
|
|
* @run main bug4992178
|
|
*/
|
|
|
|
import javax.swing.undo.AbstractUndoableEdit;
|
|
import javax.swing.undo.CannotRedoException;
|
|
import javax.swing.undo.CannotUndoException;
|
|
import javax.swing.undo.UndoManager;
|
|
|
|
public class bug4992178 {
|
|
|
|
public static void main(String[] argv) throws Exception {
|
|
TestUndoManager manager = new TestUndoManager();
|
|
manager.setLimit(1);
|
|
AbstractUndoableEdit edit = new MyUndoableEdit();
|
|
manager.addEdit(edit);
|
|
|
|
manager.setLimit(-1);
|
|
|
|
manager.discardAllEdits();
|
|
|
|
if (manager.getVectorSize() != 0) {
|
|
throw new RuntimeException(
|
|
"UndoManager's vector size should be 0 after discarding all changes");
|
|
}
|
|
}
|
|
|
|
static class TestUndoManager extends UndoManager {
|
|
public int getVectorSize() {
|
|
return edits.size();
|
|
}
|
|
}
|
|
|
|
static class MyUndoableEdit extends AbstractUndoableEdit {
|
|
@Override
|
|
public void undo() throws CannotUndoException {}
|
|
@Override
|
|
public void redo() throws CannotRedoException {}
|
|
}
|
|
|
|
}
|