/*

 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * 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

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

/*

 * @test

 * @bug 8034275

 * @summary [JDK 8u40] Test interface initialization: only for interfaces declaring default methods

 * @run main TestInterfaceInit

 */

import java.util.List;

import java.util.Arrays;

import java.util.ArrayList;

public class TestInterfaceInit {

   static List<Class<?>> cInitOrder = new ArrayList<>();

   // Declares a default method and initializes

   interface I {

       boolean v = TestInterfaceInit.out(I.class);

        default void x() {}

   }

   // Declares a default method and initializes

   interface J extends I {

       boolean v = TestInterfaceInit.out(J.class);

       default void x() {}

   }

   // No default method, does not initialize

   interface JN extends J {

       boolean v = TestInterfaceInit.out(JN.class);

   }

   // Declares a default method and initializes

   interface K extends I {

       boolean v = TestInterfaceInit.out(K.class);

        default void x() {}

   }

   // No default method, does not initialize

   interface KN extends K {

       boolean v = TestInterfaceInit.out(KN.class);

   }

   interface L extends JN, KN {

       boolean v = TestInterfaceInit.out(L.class);

        default void x() {}

   }

   public static void main(String[] args) {

       // Trigger initialization

       boolean v = L.v;

       List<Class<?>> expectedCInitOrder = Arrays.asList(I.class,J.class,K.class,L.class);

       if (!cInitOrder.equals(expectedCInitOrder)) {

         throw new RuntimeException(String.format("Class initialization array %s not equal to expected array %s", cInitOrder, expectedCInitOrder));

       }

   }

   static boolean out(Class c) {

       System.out.println("#: initializing " + c.getName());

       cInitOrder.add(c);

       return true;

   }

}