test/runtime/Unsafe/GetField.java

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/*
 * @test
 * @summary Verifies behaviour of Unsafe.getField
 * @library /testlibrary
 * @modules java.base/jdk.internal.misc
 *          java.management
 * @run main GetField
 */

import jdk.test.lib.*;
import sun.misc.Unsafe;
import java.lang.reflect.*;
import static jdk.test.lib.Asserts.*;

public class GetField {
    public static void main(String args[]) throws Exception {
        Unsafe unsafe = Utils.getUnsafe();
        // Unsafe.INVALID_FIELD_OFFSET is a static final int field,
        // make sure getField returns the correct field
        Field field = Unsafe.class.getField("INVALID_FIELD_OFFSET");
        assertNotEquals(field.getModifiers() & Modifier.FINAL, 0);
        assertNotEquals(field.getModifiers() & Modifier.STATIC, 0);
        assertEquals(field.getType(), int.class);
    }
}