/*

 * 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

 * @bug 4313887 6838333 8132497

 * @summary Unit test for java.nio.file.FileSystem

 * @library .. /lib/testlibrary

 * @build jdk.testlibrary.FileUtils

 * @run main/othervm Basic

 */

import java.io.File;

import java.io.IOException;

import java.net.URI;

import java.net.URISyntaxException;

import java.util.HashMap;

import jdk.testlibrary.FileUtils;

/**

 * Simple sanity checks for java.nio.file.FileSystem

 */

public class Basic {

    static void check(boolean okay, String msg) {

        if (!okay)

            throw new RuntimeException(msg);

    }

    static void checkSupported(FileSystem fs, String... views) {

        for (String view: views) {

            check(fs.supportedFileAttributeViews().contains(view),

                "support for '" + view + "' expected");

        }

    }

    static void checkNoUOE() throws IOException, URISyntaxException {

        String dir = System.getProperty("test.dir", ".");

        String fileName = dir + File.separator + "foo.bar";

        Path path = Paths.get(fileName);

        Path file = Files.createFile(path);

        try {

            URI uri = new URI("jar", file.toUri().toString(), null);

            System.out.println(uri);

            FileSystem fs = FileSystems.newFileSystem(uri, new HashMap());

            fs.close();

        } catch (ProviderNotFoundException pnfe) {

            System.out.println("Expected ProviderNotFoundException caught: "

                + "\"" + pnfe.getMessage() + "\"");

        }

    }

        FileSystem fs = FileSystems.getDefault();

        // close should throw UOE

        try {

            fs.close();

            throw new RuntimeException("UnsupportedOperationException expected");

        } catch (UnsupportedOperationException e) { }

        check(fs.isOpen(), "should be open");

        check(!fs.isReadOnly(), "should provide read-write access");

        check(fs.provider().getScheme().equals("file"),

            "should use 'file' scheme");

        // sanity check supportedFileAttributeViews

        checkSupported(fs, "basic");

        if (os.equals("SunOS"))

            checkSupported(fs, "posix", "unix", "owner", "acl", "user");

        if (os.equals("Linux"))

            checkSupported(fs, "posix", "unix", "owner", "dos", "user");

        if (os.contains("OS X"))

            checkSupported(fs, "posix", "unix", "owner");

        if (os.equals("Windows"))

            checkSupported(fs, "owner", "dos", "acl", "user");

        // sanity check non-throwing of UnsupportedOperationException by

        // FileSystems.newFileSystem(URI, ..)

        checkNoUOE();

    }

}