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

   1 /*************************************************************************
   2 /* CharArrayReaderTest.java -- Test CharArrayReaders's of course
   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 public class CharArrayReaderTest extends CharArrayReader
  25 {
  26
  27 public
  28 CharArrayReaderTest(char[] b)
  29 {
  30   super(b);
  31 }
  32
  33 public static void
  34 main(String[] argv)
  35 {
  36   System.out.println("Starting test of CharArrayReader.");
  37   System.out.flush();
  38
  39   String str = "In junior high, I did a lot writing.  I wrote a science\n" +
  40      "fiction novel length story that was called 'The Destruction of\n" +
  41      "Planet Earth'.  All the characters in the story were my friends \n" +
  42      "from school because I couldn't think up any cool names.";
  43
  44   char[] str_chars = new char[str.length()];
  45   str.getChars(0, str.length(), str_chars, 0);
  46
  47   System.out.println("Test 1: Protected Variables");
  48
  49   CharArrayReaderTest car = new CharArrayReaderTest(str_chars);
  50   char[] read_buf = new char[12];
  51
  52   try
  53     {
  54       car.read(read_buf);
  55       car.mark(0);
  56
  57       boolean passed = true;
  58
  59       if (car.markedPos != read_buf.length)
  60         {
  61           passed = false;
  62           System.out.println("The mark variable is wrong.  Expected " +
  63                              read_buf.length + " and got " + car.markedPos);
  64         }
  65       car.read(read_buf);
  66       if (car.pos != (read_buf.length * 2))
  67         {
  68           passed = false;
  69           System.out.println("The pos variable is wrong.  Expected 24 and got " +
  70                              car.pos);
  71         }
  72       if (car.count != str_chars.length)
  73         {
  74           passed = false;
  75           System.out.println("The count variable is wrong.  Expected " +
  76                              str_chars.length + " and got " + car.pos);
  77         }
  78       if (car.buf != str_chars)
  79         {
  80           passed = false;
  81           System.out.println("The buf variable is not correct");
  82         }
  83
  84       if (passed)
  85         System.out.println("PASSED: Protected Variables Test");
  86       else
  87         System.out.println("FAILED: Protected Variables Test");
  88     }
  89   catch (IOException e)
  90     {
  91       System.out.println("FAILED: Protected Variables Test: " + e);
  92     }
  93
  94   System.out.println("Test 2: Simple Read Test");
  95
  96   car = new CharArrayReaderTest(str_chars);
  97
  98   try
  99     {
 100       int chars_read, total_read = 0;
 101       while ((chars_read = car.read(read_buf, 0, read_buf.length)) != -1)
 102         {
 103           System.out.print(new String(read_buf, 0, chars_read));
 104           total_read += chars_read;
 105         }
 106
 107       car.close();
 108       if (total_read == str.length())
 109         System.out.println("PASSED: Simple Read Test");
 110       else
 111         System.out.println("FAILED: Simple Read Test");
 112     }
 113   catch (IOException e)
 114     {
 115       System.out.println("FAILED: Simple Read Test: " + e);
 116     }
 117
 118   System.out.println("Test 3: mark/reset/available/skip test");
 119   car = new CharArrayReaderTest(str_chars);
 120
 121   try
 122     {
 123       boolean passed = true;
 124
 125       car.read(read_buf);
 126       if (!car.ready())
 127         {
 128           passed = false;
 129           System.out.println("ready() reported false and should have " +
 130                              "reported true.");
 131         }
 132
 133       if (car.skip(5) != 5)
 134         {
 135           passed = false;
 136           System.out.println("skip() didn't work");
 137         }
 138
 139       if (!car.markSupported())
 140         {
 141           passed = false;
 142           System.out.println("markSupported() should have returned true but returned false");
 143         }
 144
 145       car.mark(0);
 146       int pos_save = car.pos;
 147       car.read();
 148       car.reset();
 149       if (car.pos != pos_save)
 150         {
 151           passed = false;
 152           System.out.println("mark/reset failed to work");
 153         }
 154
 155       if (passed)
 156         System.out.println("PASSED: mark/reset/available/skip test");
 157       else
 158         System.out.println("FAILED: mark/reset/available/skip test");
 159     }
 160   catch(IOException e)
 161     {
 162       System.out.println("FAILED: mark/reset/available/skip test: " + e);
 163     }
 164
 165   System.out.println("Finished CharArrayReader test");
 166 }
 167
 168 }
 169