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

   1 /*
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   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:
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  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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  15  *   disclaimer in the documentation and/or other materials provided
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  22  *
  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_HexParseTest extends TestCase {
  45         public void testInt4_1() {
  46                 assertEquals(0, RawParseUtils.parseHexInt4((byte) '0'));
  47                 assertEquals(1, RawParseUtils.parseHexInt4((byte) '1'));
  48                 assertEquals(2, RawParseUtils.parseHexInt4((byte) '2'));
  49                 assertEquals(3, RawParseUtils.parseHexInt4((byte) '3'));
  50                 assertEquals(4, RawParseUtils.parseHexInt4((byte) '4'));
  51                 assertEquals(5, RawParseUtils.parseHexInt4((byte) '5'));
  52                 assertEquals(6, RawParseUtils.parseHexInt4((byte) '6'));
  53                 assertEquals(7, RawParseUtils.parseHexInt4((byte) '7'));
  54                 assertEquals(8, RawParseUtils.parseHexInt4((byte) '8'));
  55                 assertEquals(9, RawParseUtils.parseHexInt4((byte) '9'));
  56                 assertEquals(10, RawParseUtils.parseHexInt4((byte) 'a'));
  57                 assertEquals(11, RawParseUtils.parseHexInt4((byte) 'b'));
  58                 assertEquals(12, RawParseUtils.parseHexInt4((byte) 'c'));
  59                 assertEquals(13, RawParseUtils.parseHexInt4((byte) 'd'));
  60                 assertEquals(14, RawParseUtils.parseHexInt4((byte) 'e'));
  61                 assertEquals(15, RawParseUtils.parseHexInt4((byte) 'f'));
  62
  63                 assertEquals(10, RawParseUtils.parseHexInt4((byte) 'A'));
  64                 assertEquals(11, RawParseUtils.parseHexInt4((byte) 'B'));
  65                 assertEquals(12, RawParseUtils.parseHexInt4((byte) 'C'));
  66                 assertEquals(13, RawParseUtils.parseHexInt4((byte) 'D'));
  67                 assertEquals(14, RawParseUtils.parseHexInt4((byte) 'E'));
  68                 assertEquals(15, RawParseUtils.parseHexInt4((byte) 'F'));
  69
  70                 assertNotHex('q');
  71                 assertNotHex(' ');
  72                 assertNotHex('.');
  73         }
  74
  75         private static void assertNotHex(final char c) {
  76                 try {
  77                         RawParseUtils.parseHexInt4((byte) c);
  78                         fail("Incorrectly acccepted " + c);
  79                 } catch (ArrayIndexOutOfBoundsException e) {
  80                         // pass
  81                 }
  82         }
  83
  84         public void testInt16() {
  85                 assertEquals(0x0000, parse16("0000"));
  86                 assertEquals(0x0001, parse16("0001"));
  87                 assertEquals(0x1234, parse16("1234"));
  88                 assertEquals(0xdead, parse16("dead"));
  89                 assertEquals(0xBEEF, parse16("BEEF"));
  90                 assertEquals(0x4321, parse16("4321"));
  91                 assertEquals(0xffff, parse16("ffff"));
  92
  93                 try {
  94                         parse16("noth");
  95                         fail("Incorrectly acccepted \"noth\"");
  96                 } catch (ArrayIndexOutOfBoundsException e) {
  97                         // pass
  98                 }
  99
 100                 try {
 101                         parse16("01");
 102                         fail("Incorrectly acccepted \"01\"");
 103                 } catch (ArrayIndexOutOfBoundsException e) {
 104                         // pass
 105                 }
 106
 107                 try {
 108                         parse16("000.");
 109                         fail("Incorrectly acccepted \"000.\"");
 110                 } catch (ArrayIndexOutOfBoundsException e) {
 111                         // pass
 112                 }
 113         }
 114
 115         private static int parse16(final String str) {
 116                 return RawParseUtils.parseHexInt16(Constants.encodeASCII(str), 0);
 117         }
 118
 119         public void testInt32() {
 120                 assertEquals(0x00000000, parse32("00000000"));
 121                 assertEquals(0x00000001, parse32("00000001"));
 122                 assertEquals(0xc0ffEE42, parse32("c0ffEE42"));
 123                 assertEquals(0xffffffff, parse32("ffffffff"));
 124                 assertEquals(-1, parse32("ffffffff"));
 125
 126                 try {
 127                         parse32("noth");
 128                         fail("Incorrectly acccepted \"noth\"");
 129                 } catch (ArrayIndexOutOfBoundsException e) {
 130                         // pass
 131                 }
 132
 133                 try {
 134                         parse32("notahexs");
 135                         fail("Incorrectly acccepted \"notahexs\"");
 136                 } catch (ArrayIndexOutOfBoundsException e) {
 137                         // pass
 138                 }
 139
 140                 try {
 141                         parse32("01");
 142                         fail("Incorrectly acccepted \"01\"");
 143                 } catch (ArrayIndexOutOfBoundsException e) {
 144                         // pass
 145                 }
 146
 147                 try {
 148                         parse32("0000000.");
 149                         fail("Incorrectly acccepted \"0000000.\"");
 150                 } catch (ArrayIndexOutOfBoundsException e) {
 151                         // pass
 152                 }
 153         }
 154
 155         private static int parse32(final String str) {
 156                 return RawParseUtils.parseHexInt32(Constants.encodeASCII(str), 0);
 157         }
 158 }