/*

 * Copyright (c) 2016, 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

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 * questions.

 */

package MyPackage;

/**

 * @test

 * @summary Basic test for JVMTI AddModuleUses and AddModuleProvides

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

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

 * @compile AddModuleUsesAndProvidesTest.java

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

 */

import java.io.PrintStream;

import java.lang.TestProvider;

import java.lang.reflect.Module;

public class AddModuleUsesAndProvidesTest {

    static {

        try {

            System.loadLibrary("AddModuleUsesAndProvidesTest");

        } catch (UnsatisfiedLinkError ule) {

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

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

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

            throw ule;

        }

    }

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

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

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

        Module baseModule = Object.class.getModule();

        Class<?> service = TestProvider.class;

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

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

        int status = checkUses(baseModule, service);

        if (status != 0) {

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

        }

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

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

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

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

        }

        status = checkProvides(baseModule, service, serviceImpl);

        if (status != 0) {

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

        }

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

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

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

        }

    }

}