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

   1 /*
   2  * Copyright (C) 2009, 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.
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  13  * - Redistributions in binary form must reproduce the above
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  18  * - Neither the name of the Git Development Community nor the
  19  *   names of its contributors may be used to endorse or promote
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  23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  24  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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  37
  38 package org.spearce.jgit.util;
  39
  40 import junit.framework.TestCase;
  41
  42 import org.spearce.jgit.lib.Constants;
  43
  44 public class RawParseUtils_MatchTest extends TestCase {
  45         public void testMatch_Equal() {
  46                 final byte[] src = Constants.encodeASCII(" differ\n");
  47                 final byte[] dst = Constants.encodeASCII("foo differ\n");
  48                 assertTrue(RawParseUtils.match(dst, 3, src) == 3 + src.length);
  49         }
  50
  51         public void testMatch_NotEqual() {
  52                 final byte[] src = Constants.encodeASCII(" differ\n");
  53                 final byte[] dst = Constants.encodeASCII("a differ\n");
  54                 assertTrue(RawParseUtils.match(dst, 2, src) < 0);
  55         }
  56
  57         public void testMatch_Prefix() {
  58                 final byte[] src = Constants.encodeASCII("author ");
  59                 final byte[] dst = Constants.encodeASCII("author A. U. Thor");
  60                 assertTrue(RawParseUtils.match(dst, 0, src) == src.length);
  61                 assertTrue(RawParseUtils.match(dst, 1, src) < 0);
  62         }
  63
  64         public void testMatch_TooSmall() {
  65                 final byte[] src = Constants.encodeASCII("author ");
  66                 final byte[] dst = Constants.encodeASCII("author autho");
  67                 assertTrue(RawParseUtils.match(dst, src.length + 1, src) < 0);
  68         }
  69 }