/* * Copyright (C) 2022 THL A29 Limited, a Tencent company. 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 8284910 * @summary Check that the cleaner is not bound to the PasswordCallback object * @library /test/lib/ * @build jdk.test.lib.util.ForceGC * @run main/othervm CheckCleanerBound */ import javax.security.auth.callback.PasswordCallback; import java.lang.ref.WeakReference; import jdk.test.lib.util.ForceGC; public final class CheckCleanerBound { public static void main(String[] args) throws Exception { // Create an object PasswordCallback passwordCallback = new PasswordCallback("Password: ", false); passwordCallback.setPassword("ThisIsAPassword".toCharArray()); WeakReference weakRef = new WeakReference<>(passwordCallback); passwordCallback = null; // Check if the object has been collected. The collection will not // happen if the cleaner implementation in PasswordCallback is bound // to the PasswordCallback object. if (!ForceGC.wait(() -> weakRef.refersTo(null))) { throw new RuntimeException( "PasswordCallback object is not released"); } } }