/*

 * Copyright (c) 2015, 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

 * @summary Verifies the behaviour of Unsafe.allocateInstance

 * @library /testlibrary

 * @run main AllocateInstance

 */

import com.oracle.java.testlibrary.*;

import sun.misc.Unsafe;

import static com.oracle.java.testlibrary.Asserts.*;

public class AllocateInstance {

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

        Unsafe unsafe = Utils.getUnsafe();

        // allocateInstance() should not result in a call to the constructor

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

        assertFalse(tc.calledConstructor);

        // allocateInstance() on an abstract class should result in an InstantiationException

        try {

            AbstractClass ac = (AbstractClass)unsafe.allocateInstance(AbstractClass.class);

            throw new RuntimeException("Did not get expected InstantiationException");

        } catch (InstantiationException e) {

            // Expected

        }

    }

    class TestClass {

        public boolean calledConstructor = false;

        public TestClass() {

            calledConstructor = true;

        }

    }

    abstract class AbstractClass {

        public AbstractClass() {}

    }

}