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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandleProxies;
import java.lang.invoke.MethodHandles;
import java.util.List;

import static jdk.test.lib.Asserts.assertSame;

/*
 * @test
 * @bug 6983726
 * @library /test/lib
 * @build jdk.test.lib.Asserts Client
 * @run main/othervm/policy=jtreg.security.policy WithSecurityManagerTest
 * @summary Checks MethodHandleProxies behavior with security manager present
 */
public class WithSecurityManagerTest {
    public interface NestedInterface {
        void task();
    }

    public static void main(String... args) {
        var originalMh = MethodHandles.zero(void.class);

        // Test system and user interfaces
        for (Class<?> cl : List.of(Runnable.class, Client.class, NestedInterface.class)) {
            try {
                Object o = MethodHandleProxies.asInterfaceInstance(cl, originalMh);
                testWrapperInstanceTarget(o, originalMh);
                testWrapperInstanceType(o, cl);
            } catch (Throwable ex) {
                throw new AssertionError("Test failed for " + cl, ex);
            }
        }
    }

    private static void testWrapperInstanceTarget(Object wrapper, MethodHandle originalMh) {
        var recoveredTarget = MethodHandleProxies.wrapperInstanceTarget(wrapper);
        assertSame(originalMh, recoveredTarget, "wrapperInstanceTarget recovery");
    }

    private static void testWrapperInstanceType(Object wrapper, Class<?> type) {
        var recoveredType = MethodHandleProxies.wrapperInstanceType(wrapper);
        assertSame(type, recoveredType, "wrapperInstanceType recovery");
    }
}