AddModuleUsesAndProvidesTest.java revision 12735:afedee84773e 
1/*
2 * Copyright (c) 2016, 2017, 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
24package 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
35import java.io.PrintStream;
36import java.lang.TestProvider;
37
38public class AddModuleUsesAndProvidesTest {
39
40    static {
41        try {
42            System.loadLibrary("AddModuleUsesAndProvidesTest");
43        } catch (UnsatisfiedLinkError ule) {
44            System.err.println("Could not load AddModuleUsesAndProvidesTest library");
45            System.err.println("java.library.path: "
46                + System.getProperty("java.library.path"));
47            throw ule;
48        }
49    }
50
51    native static int checkUses(Module baseModule, Class<?> service);
52    native static int checkProvides(Module baseModule, Class<?> service, Class<?> serviceImpl);
53
54    public static void main(String args[]) throws Exception {
55        Module baseModule = Object.class.getModule();
56        Class<?> service = TestProvider.class;
57        Class<?> serviceImpl = Class.forName("jdk.internal.test.TestProviderImpl");
58
59        System.out.println("\n*** Checks for JVMTI AddModuleUses ***\n");
60
61        int status = checkUses(baseModule, service);
62        if (status != 0) {
63            throw new RuntimeException("Non-zero status returned from the agent: " + status);
64        }
65
66        System.out.println("\n*** Checks for JVMTI AddModuleProvides ***\n");
67
68        System.out.println("Check #PC1:");
69        if (TestProvider.providers().iterator().hasNext()) {
70            throw new RuntimeException("Check #PC1: Unexpectedly service is provided");
71        }
72
73        status = checkProvides(baseModule, service, serviceImpl);
74        if (status != 0) {
75            throw new RuntimeException("Non-zero status returned from the agent: " + status);
76        }
77
78        System.out.println("Check #PC3:");
79        if (!TestProvider.providers().iterator().hasNext()) {
80            throw new RuntimeException("Check #PC3: Unexpectedly service is not provided");
81        }
82    }
83}
84