/*

 * Copyright (c) 2018, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

import jdk.internal.misc.Unsafe;

public class ClassLoaderNoUnnamedModule {

    static final Unsafe UNSAFE = Unsafe.getUnsafe();

    class TestClass extends ClassLoader {

        public boolean calledConstructor = false;

        public TestClass() {

            calledConstructor = true;

        }

    }

    static void testConstructorCall() throws Exception {

        // Use Unsafe allocateInstance to construct an instance of TestClass

        // which does not invoke its super's, java.lang.ClassLoader, constructor.

        // An unnamed module for this ClassLoader is not created.

        TestClass tc = (TestClass)UNSAFE.allocateInstance(TestClass.class);

        System.out.println("tc = " + tc + "tc's ctor called = " + tc.calledConstructor);

        Module unnamed_module = tc.getUnnamedModule();

        if (unnamed_module == null) {

            System.out.println("The unnamed module for this class loader is null");

        }

        tc.loadClass(String.class.getName());

        Class.forName(String.class.getName(), false, tc);

    }

    public static void main(String args[]) throws Exception {

        testConstructorCall();

    }

}