org.spearce.jgit.test/tst/org/spearce/jgit/util/RawParseUtils_LineMapTest.java

   1 /*
   2  * Copyright (C) 2008, Google Inc.
   3  *
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or
   7  * without modification, are permitted provided that the following
   8  * conditions are met:
   9  *
  10  * - Redistributions of source code must retain the above copyright
  11  *   notice, this list of conditions and the following disclaimer.
  12  *
  13  * - Redistributions in binary form must reproduce the above
  14  *   copyright notice, this list of conditions and the following
  15  *   disclaimer in the documentation and/or other materials provided
  16  *   with the distribution.
  17  *
  18  * - Neither the name of the Git Development Community nor the
  19  *   names of its contributors may be used to endorse or promote
  20  *   products derived from this software without specific prior
  21  *   written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  24  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  25  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  26  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  28  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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  36  */
  37
  38 package org.spearce.jgit.util;
  39
  40 import java.io.UnsupportedEncodingException;
  41
  42 import junit.framework.TestCase;
  43
  44 public class RawParseUtils_LineMapTest extends TestCase {
  45         public void testEmpty() {
  46                 final IntList map = RawParseUtils.lineMap(new byte[] {}, 0, 0);
  47                 assertNotNull(map);
  48                 assertEquals(2, map.size());
  49                 assertEquals(Integer.MIN_VALUE, map.get(0));
  50                 assertEquals(0, map.get(1));
  51         }
  52
  53         public void testOneBlankLine() {
  54                 final IntList map = RawParseUtils.lineMap(new byte[] { '\n' }, 0, 1);
  55                 assertEquals(3, map.size());
  56                 assertEquals(Integer.MIN_VALUE, map.get(0));
  57                 assertEquals(0, map.get(1));
  58                 assertEquals(1, map.get(2));
  59         }
  60
  61         public void testTwoLineFooBar() throws UnsupportedEncodingException {
  62                 final byte[] buf = "foo\nbar\n".getBytes("ISO-8859-1");
  63                 final IntList map = RawParseUtils.lineMap(buf, 0, buf.length);
  64                 assertEquals(4, map.size());
  65                 assertEquals(Integer.MIN_VALUE, map.get(0));
  66                 assertEquals(0, map.get(1));
  67                 assertEquals(4, map.get(2));
  68                 assertEquals(buf.length, map.get(3));
  69         }
  70
  71         public void testTwoLineNoLF() throws UnsupportedEncodingException {
  72                 final byte[] buf = "foo\nbar".getBytes("ISO-8859-1");
  73                 final IntList map = RawParseUtils.lineMap(buf, 0, buf.length);
  74                 assertEquals(4, map.size());
  75                 assertEquals(Integer.MIN_VALUE, map.get(0));
  76                 assertEquals(0, map.get(1));
  77                 assertEquals(4, map.get(2));
  78                 assertEquals(buf.length, map.get(3));
  79         }
  80
  81         public void testFourLineBlanks() throws UnsupportedEncodingException {
  82                 final byte[] buf = "foo\n\n\nbar\n".getBytes("ISO-8859-1");
  83                 final IntList map = RawParseUtils.lineMap(buf, 0, buf.length);
  84                 assertEquals(6, map.size());
  85                 assertEquals(Integer.MIN_VALUE, map.get(0));
  86                 assertEquals(0, map.get(1));
  87                 assertEquals(4, map.get(2));
  88                 assertEquals(5, map.get(3));
  89                 assertEquals(6, map.get(4));
  90                 assertEquals(buf.length, map.get(5));
  91         }
  92 }