gomp-20050608-branch/libjava/classpath/test/java.io/DataInputOutputTest.java

   1 /*************************************************************************
   2 /* DataInputOutputTest.java -- Tests Data{Input,Output}Stream's
   3 /*
   4 /* Copyright (c) 1998 Free Software Foundation, Inc.
   5 /* Written by Aaron M. Renn (arenn@urbanophile.com)
   6 /*
   7 /* This program is free software; you can redistribute it and/or modify
   8 /* it under the terms of the GNU General Public License as published
   9 /* by the Free Software Foundation, either version 2 of the License, or
  10 /* (at your option) any later version.
  11 /*
  12 /* This program is distributed in the hope that it will be useful, but
  13 /* 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 this program; if not, write to the Free Software Foundation
  19 /* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  20 /*************************************************************************/
  21
  22 import java.io.*;
  23
  24 // Write some data using DataOutput and read it using DataInput.
  25
  26 public class DataInputOutputTest
  27 {
  28
  29 public static void
  30 runReadTest(String filename, int seq, String testname)
  31 {
  32   try
  33     {
  34       System.out.println("Test " + seq + ": " + testname);
  35
  36       FileInputStream fis = new FileInputStream(filename);
  37       DataInputStream dis = new DataInputStream(fis);
  38
  39       boolean passed = true;
  40
  41       boolean b = dis.readBoolean();
  42       if (b != true)
  43         {
  44           passed = false;
  45           System.out.println("Failed to read boolean. Expected true and got false");
  46         }
  47       b = dis.readBoolean();
  48       if (b != false)
  49         {
  50           passed = false;
  51           System.out.println("Failed to read boolean. Expected false and got true");
  52         }
  53       byte bt = dis.readByte();
  54       if (bt != 8)
  55         {
  56           passed = false;
  57           System.out.println("Failed to read byte. Expected 8 and got "+ bt);
  58         }
  59       bt = dis.readByte();
  60       if (bt != -122)
  61         {
  62           passed = false;
  63           System.out.println("Failed to read byte. Expected -122 and got "+ bt);
  64         }
  65       char c = dis.readChar();
  66       if (c != 'a')
  67         {
  68           passed = false;
  69           System.out.println("Failed to read char. Expected a and got " + c);
  70         }
  71       c = dis.readChar();
  72       if (c != '\uE2D2')
  73         {
  74           passed = false;
  75           System.out.println("Failed to read char. Expected \\uE2D2 and got " + c);
  76         }
  77       short s = dis.readShort();
  78       if (s != 32000)
  79         {
  80           passed = false;
  81           System.out.println("Failed to read short. Expected 32000 and got " + s);
  82         }
  83       int i = dis.readInt();
  84       if (i != 8675309)
  85         {
  86           passed = false;
  87           System.out.println("Failed to read int. Expected 8675309 and got " + i);
  88         }
  89       long l = dis.readLong();
  90       if (l != 696969696969L)
  91         {
  92           passed = false;
  93           System.out.println("Failed to read long. Expected 696969696969 and got " + l);
  94         }
  95       float f = dis.readFloat();
  96       if (!Float.toString(f).equals("3.1415"))
  97         {
  98           passed = false;
  99           System.out.println("Failed to read float. Expected 3.1415 and got " + f);
 100         }
 101       double d = dis.readDouble();
 102       if (d != 999999999.999)
 103         {
 104           passed = false;
 105           System.out.println("Failed to read double.  Expected 999999999.999 and got " + d);
 106         }
 107       String str = dis.readUTF();
 108       if (!str.equals("Testing code is such a boring activity but it must be done"))
 109         {
 110           passed = false;
 111           System.out.println("Read unexpected String: " + str);
 112         }
 113       str = dis.readUTF();
 114       if (!str.equals("a-->\u01FF\uA000\u6666\u0200RRR"))
 115         {
 116           passed = false;
 117           System.out.println("Read unexpected String: " + str);
 118         }
 119
 120       if (passed)
 121         System.out.println("PASSED: " + testname + " read test");
 122       else
 123         System.out.println("FAILED: " + testname + " read test");
 124     }
 125   catch (IOException e)
 126     {
 127       System.out.println("FAILED: " + testname + " read test: " + e);
 128     }
 129
 130 }
 131
 132 public static void
 133 main(String[] argv)
 134 {
 135   System.out.println("Started test of DataInputStream and DataOutputStream");
 136
 137   try
 138     {
 139       System.out.println("Test 1: DataOutputStream write test");
 140
 141       FileOutputStream fos = new FileOutputStream("dataoutput.out");
 142       DataOutputStream dos = new DataOutputStream(fos);
 143
 144       dos.writeBoolean(true);
 145       dos.writeBoolean(false);
 146       dos.writeByte((byte)8);
 147       dos.writeByte((byte)-122);
 148       dos.writeChar((char)'a');
 149       dos.writeChar((char)'\uE2D2');
 150       dos.writeShort((short)32000);
 151       dos.writeInt((int)8675309);
 152       dos.writeLong(696969696969L);
 153       dos.writeFloat((float)3.1415);
 154       dos.writeDouble((double)999999999.999);
 155       dos.writeUTF("Testing code is such a boring activity but it must be done");
 156       dos.writeUTF("a-->\u01FF\uA000\u6666\u0200RRR");
 157       dos.close();
 158
 159       // We'll find out if this was really right later, but conditionally
 160       // report success for now
 161       System.out.println("PASSED: DataOutputStream write test");
 162     }
 163   catch(IOException e)
 164     {
 165       System.out.println("FAILED: DataOutputStream write test: " + e);
 166     }
 167
 168   runReadTest("dataoutput.out", 2, "Read of JCL written data file");
 169   runReadTest("dataoutput-jdk.out", 3, "Read of JDK written data file");
 170
 171 } // main
 172
 173 } // class DataInputOutputTest
 174