test/jdk/java/io/File/ListRoots.java

/*
 * Copyright (c) 1998, 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.
 *
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 */

/* @test
   @bug 4071322
   @summary Basic test for listRoots method
 */

import java.io.*;


public class ListRoots {

    public static void main(String[] args) throws Exception {
        File[] rs = File.listRoots();
        for (int i = 0; i < rs.length; i++) {
            System.out.println(i + ": " + rs[i]);
        }

        File f = new File(System.getProperty("test.src", "."),
                          "ListRoots.java");
        String cp = f.getCanonicalPath();
        for (int i = 0; i < rs.length; i++) {
            if (cp.startsWith(rs[i].getPath())) break;
            if (i == rs.length - 1)
                throw new Exception(cp + " does not have a recognized root");
        }

    }

}