1 /*

     2  * Copyright (c) 2014, 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 JvmtiApp {

    28     static Class forname(String cn) {

    29         try {

    30             return Class.forName(cn);

    31         } catch (Throwable t) {

    32             return null;

    33         }

    34     }

    35 

    36     static void failed(String msg) {

    37         System.out.println("TEST FAILED: " + msg);

    38         System.exit(1);

    39     }

    40 

    41     // See ../JvmtiAddPath.java for how the classpaths are configured.

    42     public static void main(String args[]) {

    43         String cn = "Hello";

    44         if (args.length >= 3) {

    45             cn = args[args.length - 1];

    46         }

    47 

    48         if (args[0].equals("noadd")) {

    49             if (forname(cn) != null) {

    50                 failed(cn + " class was loaded unexpectedly");

    51             }

    52             // We use -verbose:class to verify that Extra.class IS loaded by AppCDS if

    53             // the boot classpath HAS NOT been appended.

    54             ExtraClass.doit();

    55             System.exit(0);

    56         }

    57 

    58         WhiteBox wb = WhiteBox.getWhiteBox();

    59 

    60         if (args[0].equals("bootonly")) {

    61             wb.addToBootstrapClassLoaderSearch(args[1]);

    62             Class cls = forname(cn);

    63             if (cls == null) {

    64                 failed("Cannot find " + cn + " class");

    65             }

    66             if (cls.getClassLoader() != null) {

    67                 failed("Hello class not loaded by boot classloader");

    68             }

    69         } else if (args[0].equals("apponly")) {

    70             wb.addToSystemClassLoaderSearch(args[1]);

    71             Class cls = forname(cn);

    72             if (cls == null) {

    73                 failed("Cannot find " + cn + " class");

    74             }

    75             if (cls.getClassLoader() != JvmtiApp.class.getClassLoader()) {

    76                 failed(cn + " class not loaded by app classloader");

    77             }

    78         } else if (args[0].equals("noadd-appcds")) {

    79             cn = (args.length == 1) ? "Hello" : args[1];

    80             Class cls = forname(cn);

    81             if (cls == null) {

    82                 failed("Cannot find " + cn + " class");

    83             }

    84             if (cls.getClassLoader() != JvmtiApp.class.getClassLoader()) {

    85                 failed(cn + " class not loaded by app classloader");

    86             }

    87         } else if (args[0].equals("appandboot")) {

    88             wb.addToBootstrapClassLoaderSearch(args[1]);

    89             wb.addToSystemClassLoaderSearch(args[2]);

    90             cn = (args.length == 3) ? "Hello" : args[3];

    91             Class cls = forname(cn);

    92             if (cls == null) {

    93                 failed("Cannot find " + cn + " class");

    94             }

    95             if (cls.getClassLoader() != null) {

    96                 failed(cn + " class not loaded by boot classloader");

    97             }

    98         } else {

    99             failed("unknown option " + args[0]);

   100         }

   101 

   102         // We use -verbose:class to verify that Extra.class IS NOT loaded by AppCDS if

   103         // the boot classpath HAS been appended.

   104         ExtraClass.doit();

   105 

   106         System.out.println("Test passed: " + args[0]);

   107     }

   108 }

   109 

   110 class ExtraClass {

   111     static void doit() {}

   112 }