1 /*

     2  * Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved.

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

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /**

    25  * @test

    26  * @bug 6550798

    27  * @summary Using InputStream.skip with ResponseCache will cause partial data to be cached

    28  * @modules jdk.httpserver

    29  * @run main/othervm test

    30  */

    31 

    32 import java.net.*;

    33 import com.sun.net.httpserver.*;

    34 import java.io.*;

    35 

    36 public class test {

    37 

    38     final static int LEN = 16 * 1024;

    39 

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

    41 

    42         TestCache.reset();

    43         HttpServer s = HttpServer.create (new InetSocketAddress(0), 10);

    44         s.createContext ("/", new HttpHandler () {

    45             public void handle (HttpExchange e) {

    46                 try {

    47                     byte[] buf = new byte [LEN];

    48                     OutputStream o = e.getResponseBody();

    49                     e.sendResponseHeaders(200, LEN);

    50                     o.write (buf);

    51                     e.close();

    52                 } catch (IOException ex) {

    53                     ex.printStackTrace();

    54                     TestCache.fail = true;

    55                 }

    56             }

    57         });

    58         s.start();

    59 

    60         System.out.println("http request with cache hander");

    61         URL u = new URL("http://127.0.0.1:"+s.getAddress().getPort()+"/f");

    62         URLConnection conn = u.openConnection();

    63 

    64         InputStream is = null;

    65         try {

    66             // this calls into TestCache.get

    67             byte[] buf = new byte[8192];

    68             is = new BufferedInputStream(conn.getInputStream());

    69 

    70             is.skip(1000);

    71 

    72             while (is.read(buf) != -1) {

    73             }

    74         } finally {

    75             if (is != null) {

    76                 // this calls into TestCache.put

    77                 // TestCache.put will check if the resource

    78                 // should be cached

    79                 is.close();

    80             }

    81             s.stop(0);

    82         }

    83 

    84         if (TestCache.fail) {

    85             System.out.println ("TEST FAILED");

    86             throw new RuntimeException ();

    87         } else {

    88             System.out.println ("TEST OK");

    89         }

    90     }

    91 }