russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
56 lines
2.2 KiB
Java
56 lines
2.2 KiB
Java
/*
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* Copyright (c) 2025, 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 8368500
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* @run junit/othervm ContextClassLoaderTest
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* @summary Check the context classloader is reset
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*/
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import java.net.URL;
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import java.net.URLClassLoader;
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import java.util.concurrent.Future;
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import java.util.concurrent.ForkJoinPool;
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import org.junit.jupiter.api.Test;
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import static org.junit.jupiter.api.Assertions.*;
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class ContextClassLoaderTest {
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@Test
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void testContextClassLoaderIsSetAndRestored() throws Exception {
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Future<?> future = ForkJoinPool.commonPool().submit(() -> {
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Thread thread = Thread.currentThread();
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ClassLoader originalCCL = thread.getContextClassLoader();
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ClassLoader customCCL = new URLClassLoader(new URL[0], originalCCL);
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// Set custom context classloader and verify it
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thread.setContextClassLoader(customCCL);
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assertSame(customCCL, thread.getContextClassLoader(), "Custom context class loader not set");
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// Reset to original and verify restoration
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thread.setContextClassLoader(originalCCL);
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assertSame(originalCCL, thread.getContextClassLoader(), "Original context class loader not restored");
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});
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future.get();
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}
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}
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