test/jdk/java/lang/instrument/PremainClass/NonPublicPremainAgent.java

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/*
 * @test
 * @bug 8165276
 * @summary Test that agent with non-public premain method is rejected to load
 * @library /test/lib
 * @library /test
 * @modules java.instrument
 * @build jdk.java.lang.instrument.PremainClass.NonPublicPremainAgent
 * @run driver jdk.test.lib.util.JavaAgentBuilder
 *             NonPublicPremainAgent NonPublicPremainAgent.jar
 * @run main/othervm jdk.java.lang.instrument.NegativeAgentRunner NonPublicPremainAgent IllegalAccessException
 */

import java.lang.RuntimeException;
import java.lang.instrument.Instrumentation;

public class NonPublicPremainAgent {

    // This premain method is intentionally non-public to ensure it is rejected.
    static void premain(String agentArgs, Instrumentation inst) {
        throw new RuntimeException("premain: NonPublicPremainAgent was not expected to be loaded");
    }
}