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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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/*
 * @test
 * @bug 8368500
 * @run junit/othervm ContextClassLoaderTest
 * @summary Check the context classloader is reset
 */
import java.net.URL;
import java.net.URLClassLoader;
import java.util.concurrent.Future;
import java.util.concurrent.ForkJoinPool;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;

class ContextClassLoaderTest {

    @Test
    void testContextClassLoaderIsSetAndRestored() throws Exception {
        Future<?> future = ForkJoinPool.commonPool().submit(() -> {
            Thread thread = Thread.currentThread();
            ClassLoader originalCCL = thread.getContextClassLoader();
            ClassLoader customCCL = new URLClassLoader(new URL[0], originalCCL);
            // Set custom context classloader and verify it
            thread.setContextClassLoader(customCCL);
            assertSame(customCCL, thread.getContextClassLoader(), "Custom context class loader not set");

            // Reset to original and verify restoration
            thread.setContextClassLoader(originalCCL);
            assertSame(originalCCL, thread.getContextClassLoader(), "Original context class loader not restored");
        });
        future.get();
    }
}