/*

 * Copyright (c) 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.

 */

/**

 * @test

 * @run main/othervm ModuleFinderWithSecurityManager allow

 * @run main/othervm ModuleFinderWithSecurityManager deny

 * @summary Basic test for ModuleFinder.ofSystem() with security manager

 */

import java.lang.module.ModuleFinder;

import java.lang.module.ModuleReference;

import java.nio.file.Path;

import java.nio.file.Paths;

import java.util.Set;

public class ModuleFinderWithSecurityManager {

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

        boolean allow = args[0].equals("allow");

        // set security policy to allow access

        if (allow) {

            String testSrc = System.getProperty("test.src");

            if (testSrc == null)

                testSrc = ".";

            Path policyFile = Paths.get(testSrc, "java.policy");

            System.setProperty("java.security.policy", policyFile.toString());

        }

        System.setSecurityManager(new SecurityManager());

        ModuleFinder finder = null;

        try {

            finder = ModuleFinder.ofSystem();

            if (!allow) throw new RuntimeException("SecurityException expected");

        } catch (SecurityException e) {

            if (allow) throw new RuntimeException("SecurityException not expected");

        }

        // no additional permissions should be required to locate modules

        if (finder != null) {

            ModuleReference base = finder.find("java.base").orElse(null);

            if (base == null)

                throw new RuntimeException("java.base not found");

            Set<ModuleReference> allModules = finder.findAll();

            if (!allModules.contains(base))

                throw new RuntimeException("java.base not in all modules");

        }

    }

}