ExceptionsNotSerializable.java

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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package jdk.nashorn.internal.runtime.test;

import static org.testng.Assert.assertEquals;
import static org.testng.Assert.fail;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.NotSerializableException;
import java.io.ObjectOutputStream;
import javax.script.ScriptEngine;
import javax.script.ScriptException;
import jdk.nashorn.api.scripting.NashornScriptEngineFactory;
import jdk.nashorn.internal.runtime.RewriteException;
import jdk.nashorn.internal.runtime.UnwarrantedOptimismException;
import org.testng.annotations.Test;

/**
 * JDK-8044518: Ensure exceptions related to optimistic recompilation are not serializable
 *
 * @test
 * @modules jdk.scripting.nashorn/jdk.nashorn.internal.runtime
 * @run testng jdk.nashorn.internal.runtime.test.ExceptionsNotSerializable
 */
@SuppressWarnings("javadoc")
public class ExceptionsNotSerializable {
    @Test
    public void rewriteExceptionNotSerializable() throws ScriptException {
        // NOTE: we must create a RewriteException in a context of a Nashorn engine, as it uses Global.newIntance()
        // internally.
        final ScriptEngine e = new NashornScriptEngineFactory().getScriptEngine();
        e.put("f", new Runnable() {
            @Override
            public void run() {
                tryToSerialize(RewriteException.create(null, new Object[0], new String[0]));
            }
        });
        e.eval("f()");
    }

    @Test
    public void unwarrantedOptimismExceptionNotSerializable() {
        tryToSerialize(new UnwarrantedOptimismException(1.0, 128));
    }

    private static void tryToSerialize(final Object obj) {
        try {
            new ObjectOutputStream(new ByteArrayOutputStream()).writeObject(obj);
            fail();
        } catch (final NotSerializableException e) {
            assertEquals(e.getMessage(), obj.getClass().getName());
        } catch (final IOException e) {
            fail("", e);
        }

    }
}