gomp-20050608-branch/libjava/classpath/testsuite/javax.swing.text.html.parser/test/gnu/javax/swing/text/html/parser/low/ReaderTokenizer_Test.java

   1 /* ReaderTokenizer_Test.java --
   2    Copyright (C) 2005 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19 02110-1301 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38
  39 package test.gnu.javax.swing.text.html.parser.low;
  40
  41 import test.gnu.javax.swing.text.html.parser.TestCase;
  42
  43 import gnu.javax.swing.text.html.parser.support.low.Constants;
  44 import gnu.javax.swing.text.html.parser.support.low.ReaderTokenizer;
  45 import gnu.javax.swing.text.html.parser.support.low.Token;
  46 import gnu.javax.swing.text.html.parser.support.low.node;
  47 import gnu.javax.swing.text.html.parser.support.low.pattern;
  48
  49 import java.io.StringReader;
  50
  51 import java.util.ArrayList;
  52
  53 /**
  54  * @author Audrius Meskauskas (AudriusA@Bioinformatics.org)
  55  */
  56 public class ReaderTokenizer_Test
  57   extends TestCase
  58 {
  59   ReaderTokenizer rt = new ReaderTokenizer();
  60
  61   public void testComplexToken()
  62                         throws Exception
  63   {
  64     String x = "< style  >x";
  65
  66     pattern a =
  67       new pattern(new node[]
  68                   {
  69                     new node(Constants.BEGIN), new node(Constants.NUMTOKEN),
  70                     new node(Constants.END), new node(Constants.NUMTOKEN)
  71                   }
  72                  );
  73
  74     pattern b =
  75       new pattern(new node[]
  76                   {
  77                     new node(Constants.BEGIN), new node(Constants.STYLE),
  78                     new node(Constants.END), new node(Constants.NUMTOKEN)
  79                   }
  80                  );
  81
  82     pattern c =
  83       new pattern(new node[]
  84                   {
  85                     new node(Constants.BEGIN), new node(Constants.WS, true),
  86                     new node(Constants.STYLE), new node(Constants.WS, true),
  87                     new node(Constants.END), new node(Constants.NUMTOKEN)
  88                   }
  89                  );
  90
  91     pattern d =
  92       new pattern(new node[]
  93                   {
  94                     new node(Constants.BEGIN), new node(Constants.WS, true),
  95                     new node(Constants.STYLE), new node(Constants.WS, true),
  96                     new node(Constants.END), new node(Constants.BEGIN)
  97                   }
  98                  );
  99
 100     ReaderTokenizer rt = new ReaderTokenizer();
 101     rt.reset(new StringReader(x));
 102
 103     assertFalse(a.matches(rt));
 104     assertFalse(b.matches(rt));
 105     assertTrue(c.matches(rt));
 106     assertFalse(d.matches(rt));
 107   }
 108
 109   public void testReadingAndAhead()
 110                            throws Exception
 111   {
 112     ArrayList tokens = new ArrayList();
 113     StringBuffer b = new StringBuffer();
 114     for (int i = 0; i < 10; i++)
 115       {
 116         String r = rs();
 117         b.append(" ");
 118         b.append(r + i);
 119         tokens.add(" ");
 120         tokens.add(r + i);
 121       }
 122     rt.reset(new StringReader(b.toString()));
 123
 124     for (int i = 0; i < 10; i++)
 125       {
 126         for (int ah = 0; ah < 10; ah++)
 127           {
 128             Token ahead = rt.getTokenAhead(ah);
 129             if (i + ah >= tokens.size())
 130               {
 131                 assertEquals(ahead.kind, rt.EOF);
 132               }
 133             else
 134               {
 135                 if ((i + ah) % 2 == 0)
 136                   assertEquals(ahead.kind, rt.WS);
 137                 else
 138                   {
 139                     assertEquals(ahead.getImage(), tokens.get(i + ah));
 140                     assertEquals(ahead.kind, rt.NUMTOKEN);
 141                   }
 142               }
 143           }
 144
 145         Token r = rt.getNextToken();
 146         assertEquals(r.getImage(), tokens.get(i));
 147       }
 148   }
 149
 150   private String rs()
 151   {
 152     StringBuffer b = new StringBuffer();
 153     for (int i = 0; i < 10 * Math.random(); i++)
 154       {
 155         b.append("l");
 156       }
 157     return b.toString();
 158   }
 159 }