70 lines
2.4 KiB
Java
70 lines
2.4 KiB
Java
/*
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* Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6397609
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* @summary Tests autocleaning
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* @author Sergey Malenkov
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* @modules java.compiler
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* java.desktop
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* jdk.compiler
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*/
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import java.beans.PropertyEditorManager;
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import java.lang.ref.WeakReference;
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public class Test6397609 {
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public static void main(String[] args) throws Exception {
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Class<?> targetClass = Object.class;
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Class<?> editorClass = new MemoryClassLoader().compile("Editor",
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"public class Editor extends java.beans.PropertyEditorSupport {}");
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PropertyEditorManager.registerEditor(targetClass, editorClass);
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// trigger a gc
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Object object = new Object();
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var r = new WeakReference<Object>(object);
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object = null;
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while (r.get() != null) {
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System.gc();
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Thread.sleep(100);
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}
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if (PropertyEditorManager.findEditor(targetClass) == null) {
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throw new Error("the editor is lost");
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}
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// allow, and wait for, Editor class to be unloaded
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var ref = new WeakReference<Class<?>>(editorClass);
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editorClass = null;
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while (ref.get() != null) {
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System.gc();
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Thread.sleep(100);
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}
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if (PropertyEditorManager.findEditor(targetClass) != null) {
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throw new Error("unexpected editor is found");
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}
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}
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}
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