1 // Tags: JDK1.4

     2 

     3 // Copyright (C) 2004 Michael Koch <konqueror@gmx.de>

     4 

     5 // This file is part of Mauve.

     6 

     7 // Mauve is free software; you can redistribute it and/or modify

     8 // it under the terms of the GNU General Public License as published by

     9 // the Free Software Foundation; either version 2, or (at your option)

    10 // any later version.

    11 

    12 // Mauve is distributed in the hope that it will be useful,

    13 // but WITHOUT ANY WARRANTY; without even the implied warranty of

    14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    15 // GNU General Public License for more details.

    16 

    17 // You should have received a copy of the GNU General Public License

    18 // along with Mauve; see the file COPYING.  If not, write to

    19 // the Free Software Foundation, 59 Temple Place - Suite 330,

    20 // Boston, MA 02111-1307, USA.

    21 

    22 

    23 package gnu.testlet.java.nio.channels.Channels;

    24 

    25 import gnu.testlet.Testlet;

    26 import gnu.testlet.TestHarness;

    27 

    28 import java.io.*;

    29 import java.nio.*;

    30 import java.nio.channels.*;

    31 

    32 public class ChannelsTest implements Testlet

    33 {

    34   class ByteArrayChannel

    35     implements ReadableByteChannel, WritableByteChannel

    36   {

    37     public ByteArrayChannel()

    38     {

    39     }

    40 

    41     public boolean isOpen()

    42     {

    43       return true;

    44     }

    45 

    46     public void close() throws IOException

    47     {

    48     }

    49     

    50     public int read(ByteBuffer dst) throws IOException

    51     {

    52       return 0;

    53     }

    54 

    55     public int write(ByteBuffer src) throws IOException

    56     {

    57       return 0;

    58     }

    59   }

    60   

    61   public void test(TestHarness h)

    62   {

    63     String tmpfile = h.getTempDirectory() + File.separator + "mauve-channels.tst";

    64 

    65     File f = new File(tmpfile);

    66 

    67     try

    68       {

    69 	RandomAccessFile raf = new RandomAccessFile(f, "rw");

    70 	FileChannel fch = raf.getChannel();

    71 

    72 	ByteArrayChannel bac = new ByteArrayChannel();

    73     

    74 	h.checkPoint("newInputStream");

    75     

    76 	InputStream in;

    77     

    78 	in = Channels.newInputStream(bac);

    79 	h.check(in != null);

    80     

    81 	in = Channels.newInputStream(fch);

    82 	h.check(in != null);

    83 

    84 	h.checkPoint("newOutputStream");

    85 

    86 	OutputStream out;

    87 

    88 	out = Channels.newOutputStream(bac);

    89 	h.check(out != null);

    90 

    91 	out = Channels.newOutputStream(fch);

    92 	h.check(out != null);

    93       }

    94     catch (FileNotFoundException e)

    95       {

    96 	h.debug(e);

    97 	h.fail("cannot create temporary file");

    98       }

    99     finally

   100       {

   101 	f.delete();

   102       }

   103   }

   104 }