1 /*

     2  * Copyright (c) 2016, 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 package MyPackage;

    25 

    26 /**

    27  * @test

    28  * @summary Basic test for JVMTI AddModuleUses and AddModuleProvides

    29  * @build java.base/java.lang.TestProvider

    30  *        java.base/jdk.internal.test.TestProviderImpl

    31  * @compile AddModuleUsesAndProvidesTest.java

    32  * @run main/othervm/native -agentlib:AddModuleUsesAndProvidesTest MyPackage.AddModuleUsesAndProvidesTest

    33  */

    34 

    35 import java.io.PrintStream;

    36 import java.lang.TestProvider;

    37 import java.lang.reflect.Module;

    38 

    39 public class AddModuleUsesAndProvidesTest {

    40 

    41     static {

    42         try {

    43             System.loadLibrary("AddModuleUsesAndProvidesTest");

    44         } catch (UnsatisfiedLinkError ule) {

    45             System.err.println("Could not load AddModuleUsesAndProvidesTest library");

    46             System.err.println("java.library.path: "

    47                 + System.getProperty("java.library.path"));

    48             throw ule;

    49         }

    50     }

    51 

    52     native static int checkUses(Module baseModule, Class<?> service);

    53     native static int checkProvides(Module baseModule, Class<?> service, Class<?> serviceImpl);

    54 

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

    56         Module baseModule = Object.class.getModule();

    57         Class<?> service = TestProvider.class;

    58         Class<?> serviceImpl = Class.forName("jdk.internal.test.TestProviderImpl");

    59 

    60         System.out.println("\n*** Checks for JVMTI AddModuleUses ***\n");

    61 

    62         int status = checkUses(baseModule, service);

    63         if (status != 0) {

    64             throw new RuntimeException("Non-zero status returned from the agent: " + status);

    65         }

    66 

    67         System.out.println("\n*** Checks for JVMTI AddModuleProvides ***\n");

    68 

    69         System.out.println("Check #PC1:");

    70         if (TestProvider.providers().iterator().hasNext()) {

    71             throw new RuntimeException("Check #PC1: Unexpectedly service is provided");

    72         }

    73 

    74         status = checkProvides(baseModule, service, serviceImpl);

    75         if (status != 0) {

    76             throw new RuntimeException("Non-zero status returned from the agent: " + status);

    77         }

    78 

    79         System.out.println("Check #PC3:");

    80         if (!TestProvider.providers().iterator().hasNext()) {

    81             throw new RuntimeException("Check #PC3: Unexpectedly service is not provided");

    82         }

    83     }

    84 }