jurt/test/com/sun/star/comp/connections/PipedConnection_Test.java

   1 /*
   2  * This file is part of the LibreOffice project.
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   7  *
   8  * This file incorporates work covered by the following license notice:
   9  *
  10  *   Licensed to the Apache Software Foundation (ASF) under one or more
  11  *   contributor license agreements. See the NOTICE file distributed
  12  *   with this work for additional information regarding copyright
  13  *   ownership. The ASF licenses this file to you under the Apache
  14  *   License, Version 2.0 (the "License"); you may not use this file
  15  *   except in compliance with the License. You may obtain a copy of
  16  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  17  */
  18
  19 package com.sun.star.comp.connections;
  20
  21 import com.sun.star.io.IOException;
  22 import org.junit.Test;
  23 import static org.junit.Assert.*;
  24
  25 public final class PipedConnection_Test {
  26     private static final int ROUNDS = 2000;
  27
  28     @Test public void test() throws Exception {
  29         PipedConnection rightSide = new PipedConnection(new Object[0]);
  30         PipedConnection leftSide = new PipedConnection(new Object[]{rightSide});
  31
  32         Reader reader = new Reader(rightSide);
  33         Writer writer = new Writer(leftSide);
  34
  35         reader.start();
  36         writer.start();
  37
  38         writer.join();
  39         reader.join();
  40
  41         assertTrue(writer._state);
  42         assertTrue(reader._state);
  43         assertEquals(ROUNDS, reader._rounds);
  44     }
  45
  46     private static class Reader extends Thread {
  47         PipedConnection _pipedConnection;
  48         boolean _state = false;
  49         int _rounds = 0;
  50
  51         Reader(PipedConnection pipedConnection) {
  52             _pipedConnection = pipedConnection;
  53         }
  54
  55         @Override
  56         public void run() {
  57             try {
  58                 for (byte v = 0;; v++) {
  59                     byte[][] b = new byte[1][];
  60                     int n = _pipedConnection.read(b, 1);
  61                     if (n == 0) {
  62                         break;
  63                     }
  64                     assertEquals(1, n);
  65                     assertEquals(1, b[0].length);
  66                     assertEquals(v, b[0][0]);
  67                     ++_rounds;
  68                 }
  69                 _pipedConnection.close();
  70                 _state = true;
  71             } catch (IOException e) {
  72                 throw new RuntimeException(e);
  73             }
  74         }
  75     }
  76
  77     private static class Writer extends Thread {
  78         PipedConnection _pipedConnection;
  79         boolean _state = false;
  80
  81         Writer(PipedConnection pipedConnection) {
  82             _pipedConnection = pipedConnection;
  83         }
  84
  85         @Override
  86         public void run() {
  87             try {
  88                 byte v = 0;
  89                 for (int i = 0; i != ROUNDS; ++i) {
  90                     byte[] b = new byte[] { v++ };
  91                     _pipedConnection.write(b);
  92                     _pipedConnection.flush();
  93                 }
  94                 _pipedConnection.close();
  95                 _state = true;
  96             } catch (IOException e) {
  97                 throw new RuntimeException(e);
  98             }
  99         }
 100     }
 101 }