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Java example source code file (Test6397609.java)
The Test6397609.java Java example source code/* * Copyright (c) 2008, 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 6397609 * @summary Tests autocleaning * @author Sergey Malenkov */ import java.beans.PropertyEditorManager; public class Test6397609 { public static void main(String[] args) throws Exception { MemoryClassLoader loader = new MemoryClassLoader(); PropertyEditorManager.registerEditor( Object.class, loader.compile("Editor", "public class Editor extends java.beans.PropertyEditorSupport {}")); if (!isEditorExist(Object.class)) { throw new Error("the editor is lost"); } loader = null; // clean the reference if (isEditorExist(Object.class)) { throw new Error("unexpected editor is found"); } } private static boolean isEditorExist(Class type) { for (int i = 0; i < 10; i++) { System.gc(); // clean all weak references if (null == PropertyEditorManager.findEditor(type)) { return false; } } return true; } } Other Java examples (source code examples)Here is a short list of links related to this Java Test6397609.java source code file: |
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