--- /dev/null 2013-06-05 18:26:29.919999702 +0100 +++ new/test/java/beans/Introspector/7064279/Test7064279.java 2013-07-16 16:35:28.586326497 +0100 @@ -0,0 +1,75 @@ +/* + * Copyright (c) 2011, 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 7064279 + * @summary Tests that Introspector does not have strong references to context class loader + * @author Sergey Malenkov + */ + +import java.beans.Introspector; +import java.io.File; +import java.lang.ref.WeakReference; +import java.net.URL; +import java.net.URLClassLoader; + +public class Test7064279 { + + public static void main(String[] args) throws Exception { + WeakReference ref = new WeakReference(test("test.jar", "test.Test")); + try { + int[] array = new int[1024]; + while (true) { + array = new int[array.length << 1]; + } + } + catch (OutOfMemoryError error) { + System.gc(); + } + if (null != ref.get()) { + throw new Error("ClassLoader is not released"); + } + } + + private static Object test(String jarName, String className) throws Exception { + StringBuilder sb = new StringBuilder(256); + sb.append("file:"); + sb.append(System.getProperty("test.src", ".")); + sb.append(File.separatorChar); + sb.append(jarName); + + ClassLoader newLoader = new URLClassLoader(new URL[] { new URL(sb.toString()) }); + ClassLoader oldLoader = Thread.currentThread().getContextClassLoader(); + + Thread.currentThread().setContextClassLoader(newLoader); + test(newLoader.loadClass(className)); + Thread.currentThread().setContextClassLoader(oldLoader); + + return newLoader; + } + + private static void test(Class type) throws Exception { + Introspector.getBeanInfo(type); + } +}