AddModuleReadsTest.java

/*
 * Copyright (c) 2016, 2017, 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package MyPackage;

/**
 * @test
 * @summary Verifies the JVMTI AddModuleReads API
 * @requires vm.jvmti
 * @compile AddModuleReadsTest.java
 * @run main/othervm/native -agentlib:AddModuleReadsTest MyPackage.AddModuleReadsTest
 */

import java.io.PrintStream;
import java.lang.instrument.Instrumentation;

public class AddModuleReadsTest {

    static {
        try {
            System.loadLibrary("AddModuleReadsTest");
        } catch (UnsatisfiedLinkError ule) {
            System.err.println("Could not load AddModuleReadsTest library");
            System.err.println("java.library.path: "
                + System.getProperty("java.library.path"));
            throw ule;
        }
    }

    native static int check(Module unnamed, Module base, Module instrument);

    public static void main(String args[]) {
        Module unnamed = AddModuleReadsTest.class.getClassLoader().getUnnamedModule();
        Module base = Object.class.getModule();
        Module instrument = Instrumentation.class.getModule();
        int status = check(unnamed, base, instrument);
        if (status != 0) {
            throw new RuntimeException("Non-zero status returned from the agent: " + status);
        }
    }
}