libjava/classpath/test/java.io/StringWriterTest.java

   1 /*************************************************************************
   2 /* StringWriterTest.java -- Test StringWriter
   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 /**
  25   * Class to test StringWriter. This is just a rehash of the
  26   * BufferedCharWriterTest using a StringWriter instead of a
  27   * CharArrayWriter underneath.
  28   *
  29   * @version 0.0
  30   *
  31   * @author Aaron M. Renn (arenn@urbanophile.com)
  32   */
  33 public class StringWriterTest
  34 {
  35
  36 public static void
  37 main(String argv[])
  38 {
  39   System.out.println("Started test of StringWriter");
  40
  41   try
  42     {
  43       System.out.println("Test 1: Write Tests");
  44
  45       StringWriter sw = new StringWriter(24);
  46       BufferedWriter bw = new BufferedWriter(sw, 12);
  47
  48       String str = "There are a ton of great places to see live, original\n" +
  49         "music in Chicago.  Places like Lounge Ax, Schuba's, the Empty\n" +
  50         "Bottle, and even the dreaded Metro with their sometimes asshole\n" +
  51         "bouncers.\n";
  52
  53       boolean passed = true;
  54
  55       char[] buf = new char[str.length()];
  56       str.getChars(0, str.length(), buf, 0);
  57
  58       bw.write(buf, 0, 5);
  59       if (sw.toString().length() != 0)
  60         {
  61           passed = false;
  62           System.out.println("StringWriter has too many bytes #1");
  63         }
  64       bw.write(buf, 5, 8);
  65       bw.write(buf, 13, 12);
  66       bw.write(buf[25]);
  67       bw.write(buf, 26, buf.length - 26);
  68       bw.close();
  69
  70       String str2 = sw.toString();
  71       if (!str.equals(str2))
  72         {
  73           passed = false;
  74           System.out.println("Unexpected string: " + str2);
  75         }
  76
  77       if (passed)
  78         System.out.println("PASSED: Write Tests");
  79       else
  80         System.out.println("FAILED: Write Tests");
  81     }
  82   catch(IOException e)
  83     {
  84       System.out.println("FAILED: Write Tests: " + e);
  85     }
  86
  87   System.out.println("Finished test of BufferedOutputStream and ByteArrayOutputStream");
  88 }
  89
  90 } // class BufferedByteOutputStreamTest
  91