1 // 2016 and later: Unicode, Inc. and others. 2 // License & terms of use: http://www.unicode.org/copyright.html#License 3 /* 4 ******************************************************************************* 5 * Copyright (C) 1996-2010, International Business Machines Corporation and * 6 * others. All Rights Reserved. * 7 ******************************************************************************* 8 */ 9 package com.ibm.icu.dev.test.compression; 10 11 import org.junit.Test; 12 13 import com.ibm.icu.dev.test.TestFmwk; 14 import com.ibm.icu.text.UnicodeDecompressor; 15 16 public class DecompressionTest extends TestFmwk { 17 /** Print out a segment of a character array, if in verbose mode */ 18 private void log(char [] chars, int start, int count) { 19 log("|"); 20 for(int i = start; i < start + count; ++i) { 21 log(String.valueOf(chars[i])); 22 } 23 log("|"); 24 } 25 26 /** Print out a segment of a character array, followed by a newline */ 27 private void logln(char [] chars, int start, int count) 28 { 29 log(chars, start, count); 30 logln(""); 31 } 32 33 /** Decompress the two segments */ 34 private String decompressTest(byte [] segment1, byte [] segment2) { 35 StringBuffer s = new StringBuffer(); 36 UnicodeDecompressor myDecompressor = new UnicodeDecompressor(); 37 38 int [] bytesRead = new int[1]; 39 char [] charBuffer = new char [2*(segment1.length + segment2.length)]; 40 int count1 = 0, count2 = 0; 41 42 count1 = myDecompressor.decompress(segment1, 0, segment1.length, 43 bytesRead, 44 charBuffer, 0, charBuffer.length); 45 46 logln("Segment 1 (" + segment1.length + " bytes) " + 47 "decompressed into " + count1 + " chars"); 48 logln("Bytes consumed: " + bytesRead[0]); 49 50 logln("Got chars: "); 51 logln(charBuffer, 0, count1); 52 s.append(charBuffer, 0, count1); 53 54 count2 = myDecompressor.decompress(segment2, 0, segment2.length, 55 bytesRead, 56 charBuffer, count1, 57 charBuffer.length); 58 59 logln("Segment 2 (" + segment2.length + " bytes) " + 60 "decompressed into " + count2 + " chars"); 61 logln("Bytes consumed: " + bytesRead[0]); 62 63 logln("Got chars: "); 64 logln(charBuffer, count1, count2); 65 66 s.append(charBuffer, count1, count2); 67 68 logln("Result: "); 69 logln(charBuffer, 0, count1 + count2); 70 logln("===================="); 71 72 return s.toString(); 73 } 74 75 76 @Test 77 public void TestDecompression() throws Exception { 78 String result; 79 80 // compressed segment breaking on a define window sequence 81 /* B o o t h SD1 */ 82 byte [] segment1 = { 0x42, 0x6f, 0x6f, 0x74, 0x68, 0x19 }; 83 84 // continuation 85 /* IDX , S . */ 86 byte [] segment2 = { 0x01, 0x2c, 0x20, 0x53, 0x2e }; 87 88 result = decompressTest(segment1, segment2); 89 if(! result.equals("Booth, S.")) { 90 errln("Decompression test failed"); 91 return; 92 } 93 94 // compressed segment breaking on a quote unicode sequence 95 /* B o o t SQU */ 96 byte [] segment3 = { 0x42, 0x6f, 0x6f, 0x74, 0x0e, 0x00 }; 97 98 // continuation 99 /* h , S . */ 100 byte [] segment4 = { 0x68, 0x2c, 0x20, 0x53, 0x2e }; 101 102 result = decompressTest(segment3, segment4); 103 if(! result.equals("Booth, S.")) { 104 errln("Decompression test failed"); 105 return; 106 } 107 108 109 // compressed segment breaking on a quote unicode sequence 110 /* SCU UQU */ 111 byte [] segment5 = { 0x0f, (byte)0xf0, 0x00 }; 112 113 // continuation 114 /* B */ 115 byte [] segment6 = { 0x42 }; 116 117 result = decompressTest(segment5, segment6); 118 if(! result.equals("B")) { 119 errln("Decompression test failed"); 120 return; 121 } 122 } 123 124 /* Testing the method 125 * public int decompress(*** 126 */ 127 @Test 128 public void TestDecompress(){ 129 char[] charBufferBlank = {}; 130 char[] charBuffer1 = {'a'}; 131 char[] charValid = {'d','u','m','m','y'}; 132 133 // Test when "if(charBuffer.length < 2 || (charBufferLimit - charBufferStart) < 2)" is true 134 // The following tests when "charBuffer.length < 2" 135 UnicodeDecompressor ud = new UnicodeDecompressor(); 136 try{ 137 ud.decompress(null, 0, 0, null, null, 4, 0); 138 errln("UnicodeDecompressor.decompress was suppose to return an exception."); 139 } catch(Exception e){} 140 141 try{ 142 ud.decompress(null, 0, 0, null, charBufferBlank, 4, 0); 143 errln("UnicodeDecompressor.decompress was suppose to return an exception."); 144 } catch(Exception e){} 145 146 try{ 147 ud.decompress(null, 0, 0, null, charBuffer1, 4, 0); 148 errln("UnicodeDecompressor.decompress was suppose to return an exception."); 149 } catch(Exception e){} 150 151 // The following tests when "(charBufferLimit - charBufferStart) < 2" 152 try{ 153 ud.decompress(null, 0, 0, null, charValid, 0, 0); 154 errln("UnicodeDecompressor.decompress was suppose to return an exception."); 155 } catch(Exception e){} 156 157 try{ 158 ud.decompress(null, 0, 0, null, charValid, 1, 0); 159 errln("UnicodeDecompressor.decompress was suppose to return an exception."); 160 } catch(Exception e){} 161 162 try{ 163 ud.decompress(null, 0, 0, null, charValid, 1, 1); 164 errln("UnicodeDecompressor.decompress was suppose to return an exception."); 165 } catch(Exception e){} 166 167 try{ 168 ud.decompress(null, 0, 0, null, charValid, 0, 1); 169 errln("UnicodeDecompressor.decompress was suppose to return an exception."); 170 } catch(Exception e){} 171 172 try{ 173 ud = new UnicodeDecompressor(); 174 byte[] b = { 175 (byte) 0x80, (byte) 0x81, (byte) 0x82, (byte) 0x83, (byte) 0x84, 176 (byte) 0x85, (byte) 0x86, (byte) 0x87, (byte) 0x88, (byte) 0x89, 177 (byte) 0x8A, (byte) 0x8B, (byte) 0x8C, (byte) 0x8D, (byte) 0x8E, 178 (byte) 0x8F, (byte) 0x90, (byte) 0x91, (byte) 0x92, (byte) 0x93, 179 (byte) 0x94, (byte) 0x95, (byte) 0x96, (byte) 0x97, (byte) 0x98, 180 (byte) 0x99, (byte) 0x9A, (byte) 0x9B, (byte) 0x9C, (byte) 0x9D, 181 (byte) 0x9E, (byte) 0x9F, (byte) 0xA0, (byte) 0xA1, (byte) 0xA2, 182 (byte) 0xA3, (byte) 0xA4, (byte) 0xA5, (byte) 0xA6, (byte) 0xA7, 183 (byte) 0xA8, (byte) 0xA9, (byte) 0xAA, (byte) 0xAB, (byte) 0xAC, 184 (byte) 0xAD, (byte) 0xAE, (byte) 0xAF, (byte) 0xB0, (byte) 0xB1, 185 (byte) 0xB2, (byte) 0xB3, (byte) 0xB4, (byte) 0xB5, (byte) 0xB6, 186 (byte) 0xB7, (byte) 0xB8, (byte) 0xB9, (byte) 0xBA, (byte) 0xBB, 187 (byte) 0xBC, (byte) 0xBD, (byte) 0xBE, (byte) 0xBF, (byte) 0xC0, 188 (byte) 0xC1, (byte) 0xC2, (byte) 0xC3, (byte) 0xC4, (byte) 0xC5, 189 (byte) 0xC6, (byte) 0xC7, (byte) 0xC8, (byte) 0xC9, (byte) 0xCA, 190 (byte) 0xCB, (byte) 0xCC, (byte) 0xCD, (byte) 0xCE, (byte) 0xCF, 191 (byte) 0xD0, (byte) 0xD1, (byte) 0xD2, (byte) 0xD3, (byte) 0xD4, 192 (byte) 0xD5, (byte) 0xD6, (byte) 0xD7, (byte) 0xD8, (byte) 0xD9, 193 (byte) 0xDA, (byte) 0xDB, (byte) 0xDC, (byte) 0xDD, (byte) 0xDE, 194 (byte) 0xDF, (byte) 0xE0, (byte) 0xE1, (byte) 0xE2, (byte) 0xE3, 195 (byte) 0xE4, (byte) 0xE5, (byte) 0xE6, (byte) 0xE7, (byte) 0xE8, 196 (byte) 0xE9, (byte) 0xEA, (byte) 0xEB, (byte) 0xEC, (byte) 0xED, 197 (byte) 0xEE, (byte) 0xEF, (byte) 0xF0, (byte) 0xF1, (byte) 0xF2, 198 (byte) 0xF3, (byte) 0xF4, (byte) 0xF5, (byte) 0xF6, (byte) 0xF7, 199 (byte) 0xF8, (byte) 0xF9, (byte) 0xFA, (byte) 0xFB, (byte) 0xFC, 200 (byte) 0xFD, (byte) 0xFE, (byte) 0xFF, 201 (byte) 0x00, (byte) 0x09, (byte) 0x0A, (byte) 0x0D, 202 (byte) 0x20, (byte) 0x21, (byte) 0x22, (byte) 0x23, (byte) 0x24, 203 (byte) 0x25, (byte) 0x26, (byte) 0x27, (byte) 0x28, (byte) 0x29, 204 (byte) 0x2A, (byte) 0x2B, (byte) 0x2C, (byte) 0x2D, (byte) 0x2E, 205 (byte) 0x2F, (byte) 0x30, (byte) 0x31, (byte) 0x32, (byte) 0x33, 206 (byte) 0x34, (byte) 0x35, (byte) 0x36, (byte) 0x37, (byte) 0x38, 207 (byte) 0x39, (byte) 0x3A, (byte) 0x3B, (byte) 0x3C, (byte) 0x3D, 208 (byte) 0x3E, (byte) 0x3F, (byte) 0x40, (byte) 0x41, (byte) 0x42, 209 (byte) 0x43, (byte) 0x44, (byte) 0x45, (byte) 0x46, (byte) 0x47, 210 (byte) 0x48, (byte) 0x49, (byte) 0x4A, (byte) 0x4B, (byte) 0x4C, 211 (byte) 0x4D, (byte) 0x4E, (byte) 0x4F, (byte) 0x50, (byte) 0x51, 212 (byte) 0x52, (byte) 0x53, (byte) 0x54, (byte) 0x55, (byte) 0x56, 213 (byte) 0x57, (byte) 0x58, (byte) 0x59, (byte) 0x5A, (byte) 0x5B, 214 (byte) 0x5C, (byte) 0x5D, (byte) 0x5E, (byte) 0x5F, (byte) 0x60, 215 (byte) 0x61, (byte) 0x62, (byte) 0x63, (byte) 0x64, (byte) 0x65, 216 (byte) 0x66, (byte) 0x67, (byte) 0x68, (byte) 0x69, (byte) 0x6A, 217 (byte) 0x6B, (byte) 0x6C, (byte) 0x6D, (byte) 0x6E, (byte) 0x6F, 218 (byte) 0x70, (byte) 0x71, (byte) 0x72, (byte) 0x73, (byte) 0x74, 219 (byte) 0x75, (byte) 0x76, (byte) 0x77, (byte) 0x78, (byte) 0x79, 220 (byte) 0x7A, (byte) 0x7B, (byte) 0x7C, (byte) 0x7D, (byte) 0x7E, 221 (byte) 0x7F, 222 (byte) UnicodeDecompressor.SQUOTEU, 223 (byte) UnicodeDecompressor.SCHANGEU, 224 (byte) UnicodeDecompressor.SQUOTE0, (byte) UnicodeDecompressor.SQUOTE1, (byte) UnicodeDecompressor.SQUOTE2, (byte) UnicodeDecompressor.SQUOTE3, 225 (byte) UnicodeDecompressor.SQUOTE4, (byte) UnicodeDecompressor.SQUOTE5, (byte) UnicodeDecompressor.SQUOTE6, (byte) UnicodeDecompressor.SQUOTE7, 226 (byte) UnicodeDecompressor.SCHANGE0, (byte) UnicodeDecompressor.SCHANGE1, (byte) UnicodeDecompressor.SCHANGE2, (byte) UnicodeDecompressor.SCHANGE3, 227 (byte) UnicodeDecompressor.SCHANGE4, (byte) UnicodeDecompressor.SCHANGE5, (byte) UnicodeDecompressor.SCHANGE6, (byte) UnicodeDecompressor.SCHANGE7, 228 (byte) UnicodeDecompressor.SDEFINE0, (byte) UnicodeDecompressor.SDEFINE1, (byte) UnicodeDecompressor.SDEFINE2, (byte) UnicodeDecompressor.SDEFINE3, 229 (byte) UnicodeDecompressor.SDEFINE4, (byte) UnicodeDecompressor.SDEFINE5, (byte) UnicodeDecompressor.SDEFINE6, (byte) UnicodeDecompressor.SDEFINE7, 230 (byte) UnicodeDecompressor.SDEFINEX, (byte) UnicodeDecompressor.SRESERVED, 231 }; 232 char[] c = new char[b.length]; 233 ud.decompress(b, 0, b.length, null, c, 0, c.length); 234 } catch(Exception e){ 235 errln("UnicodeDecompressor.decompress() was not suppose to return an exception."); 236 } 237 } 238 239 } 240
