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/*

 * @test

 * @bug 8046171

 * @summary Test JNI access to private methods between nestmates and nest-host

 *          using different flavours of named nested types

 * @compile ../NestmatesJNI.java

 * @run main/othervm/native TestJNI

 * @run main/othervm/native -Xcheck:jni TestJNI

 */

public class TestJNI {

    // Unlike reflection, the calling context is not relevant to JNI

    // calls, but we keep the same structure as the reflection tests.

    // Private static method of nest-host for nestmates to access

    private static void priv_static_invoke() {

        System.out.println("TestJNI::priv_static_invoke");

    }

    static final String METHOD = "priv_static_invoke";

    // public constructor so we aren't relying on private access

    public TestJNI() {}

    // Methods that will access private static methods of nestmates

    // We use the arguments for overloading purposes and use the fact

    // you can invoke a static method through an object reference for

    // convenience. Except for static interface methods of course.

    // NOTE: No InnerNested calls in this test because non-static nested types

    // can't have static method

    void access_priv(TestJNI o) {

        doCall(o.getClass(), METHOD);

    }

    void access_priv(StaticNested o) {

        doCall(o.getClass(), METHOD);

    }

    void access_priv(StaticIface o) {

        // Can't use o.getClass() as the method is not in that class

        doCall(StaticIface.class, METHOD);

    }

    // The various nestmates

    static interface StaticIface {

        private static void priv_static_invoke() {

            System.out.println("StaticIface::priv_static_invoke");

        }

        // Methods that will access private static methods of nestmates

        default void access_priv(TestJNI o) {

            doCall(o.getClass(), METHOD);

        }

        default void access_priv(StaticNested o) {

            doCall(o.getClass(), METHOD);

        }

        default void access_priv(StaticIface o) {

            // Can't use o.getClass() as the method is not in that class

            doCall(StaticIface.class, METHOD);

        }

    }

    static class StaticNested {

        private static void priv_static_invoke() {

            System.out.println("StaticNested::priv_static_invoke");

        }

        // public constructor so we aren't relying on private access

        public StaticNested() {}

        // Methods that will access private static methods of nestmates

        void access_priv(TestJNI o) {

            doCall(o.getClass(), METHOD);

        }

        void access_priv(StaticNested o) {

            doCall(o.getClass(), METHOD);

        }

        void access_priv(StaticIface o) {

            // Can't use o.getClass() as the method is not in that class

            doCall(StaticIface.class, METHOD);

        }

    }

    class InnerNested {

        // public constructor so we aren't relying on private access

        public InnerNested() {}

        void access_priv(TestJNI o) {

            doCall(o.getClass(), METHOD);

        }

        void access_priv(StaticNested o) {

            doCall(o.getClass(), METHOD);

        }

        void access_priv(StaticIface o) {

            // Can't use o.getClass() as the method is not in that class

            doCall(StaticIface.class, METHOD);

        }

    }

    public static void main(String[] args) {

        TestJNI o = new TestJNI();

        StaticNested s = new StaticNested();

        InnerNested i = o.new InnerNested();

        StaticIface intf = new StaticIface() {};

        o.access_priv(new TestJNI());

        o.access_priv(s);

        o.access_priv(intf);

        s.access_priv(o);

        s.access_priv(new StaticNested());

        s.access_priv(intf);

        i.access_priv(o);

        i.access_priv(s);

        i.access_priv(intf);

        intf.access_priv(o);

        intf.access_priv(s);

        intf.access_priv(new StaticIface(){});

    }

    static void doCall(Class<?> klass, String method) {

        String definingClass = klass.getName();

        String desc = "Static invocation of " + definingClass + "." + method;

        try {

            NestmatesJNI.callStaticVoidVoid(definingClass, method);

            System.out.println(desc + " - passed");

        }

        catch (Throwable t) {

            throw new Error(desc + ": Unexpected exception: " + t, t);

        }

    }

}