1 /*

     2  * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

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

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

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

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

    16  * 2 along with this work; if not, write to the Free Software Foundation,

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

    18  *

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

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

    21  * questions.

    22  *

    23  */

    24 

    25 import sun.hotspot.WhiteBox;

    26 

    27 public class ForNameTest {

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

    29         // Hello is on the bootclasspath. The defining classloader is

    30         // the NULL classloader. See ../ClassLoaderTest.java

    31         Class c = Class.forName("Hello");

    32         ClassLoader cl = c.getClassLoader();

    33         if (cl != null) {

    34             throw new RuntimeException(

    35                 "Test Failed. Wrong classloader is used. Expect the NULL classloader.");

    36         }

    37 

    38         WhiteBox wb = WhiteBox.getWhiteBox();

    39         if (wb.isSharedClass(c)) {

    40             System.out.println("As expected, Hello.class is in shared space.");

    41         } else {

    42             throw new java.lang.RuntimeException("Hello.class must be in shared space.");

    43         }

    44     }

    45 }