/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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 * published by the Free Software Foundation.

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 * 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.

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/* @test

 * @bug 4313887

 * @summary Unit test for Watchable#register's permission checks

 * @build WithSecurityManager

 * @run main/othervm WithSecurityManager denyAll.policy - fail

 * @run main/othervm WithSecurityManager denyAll.policy tree fail

 * @run main/othervm WithSecurityManager grantDirOnly.policy - pass

 * @run main/othervm WithSecurityManager grantDirOnly.policy tree fail

 * @run main/othervm WithSecurityManager grantDirAndOneLevel.policy - pass

 * @run main/othervm WithSecurityManager grantDirAndOneLevel.policy tree fail

 * @run main/othervm WithSecurityManager grantDirAndTree.policy - pass

 * @run main/othervm WithSecurityManager grantDirAndTree.policy tree pass

 */

import java.nio.file.*;

import java.io.IOException;

import com.sun.nio.file.ExtendedWatchEventModifier;

public class WithSecurityManager {

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

        String policyFile = args[0];

        boolean recursive = args[1].equals("tree");

        boolean expectedToFail = args[2].equals("fail");

        // install security manager with the given policy file

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

        if (testSrc == null)

            throw new RuntimeException("This test must be run by jtreg");

        Path dir = Paths.get(testSrc);

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

        System.setSecurityManager(new SecurityManager());

        // initialize optional modifier

        WatchEvent.Modifier[] modifiers;

        if (recursive) {

            modifiers = new WatchEvent.Modifier[1];

            modifiers[0] = ExtendedWatchEventModifier.FILE_TREE;

        } else {

            modifiers = new WatchEvent.Modifier[0];

        }

        // attempt to register directory

        try {

            dir.register(dir.getFileSystem().newWatchService(),

                         new WatchEvent.Kind<?>[]{ StandardWatchEventKinds.ENTRY_CREATE },

                         modifiers);

            if (expectedToFail)

                throw new RuntimeException("SecurityException not thrown");

        } catch (SecurityException e) {

            if (!expectedToFail)

                throw e;

        } catch (UnsupportedOperationException e) {

            // FILE_TREE modifier only supported on some platforms

            if (!recursive)

                throw new RuntimeException(e);

            System.out.println("FILE_TREE option not supported");

        }

    }

}