jars/icu4j-4_4_2-src/main/tests/core/src/com/ibm/icu/dev/test/lang/UCharacterSurrogateTest.java

   1 /**\r
   2  *******************************************************************************\r
   3  * Copyright (C) 2004-2008, International Business Machines Corporation and         *\r
   4  * others. All Rights Reserved.                                                *\r
   5  *******************************************************************************\r
   6  */\r
   7 \r
   8 package com.ibm.icu.dev.test.lang;\r
   9 \r
  10 import com.ibm.icu.dev.test.TestFmwk;\r
  11 import com.ibm.icu.impl.Utility;\r
  12 import com.ibm.icu.lang.UCharacter;\r
  13 import com.ibm.icu.text.UTF16;\r
  14 \r
  15 /**\r
  16  * Test JDK 1.5 cover APIs.\r
  17  */\r
  18 public final class UCharacterSurrogateTest extends TestFmwk {\r
  19 \r
  20     public static void main(String[] args) {\r
  21         new UCharacterSurrogateTest().run(args);\r
  22     }\r
  23 \r
  24     public void TestUnicodeBlockForName() {\r
  25       String[] names = {"Latin-1 Supplement", \r
  26                         "Optical Character Recognition",\r
  27                         "CJK Unified Ideographs Extension A", \r
  28                         "Supplemental Arrows-B",\r
  29                         "Supplemental arrows b", \r
  30                         "supp-lement-al arrowsb",\r
  31                         "Supplementary Private Use Area-B",\r
  32                         "supplementary_Private_Use_Area-b",\r
  33                         "supplementary_PRIVATE_Use_Area_b"};\r
  34         for (int i = 0; i < names.length; ++i) {\r
  35             try {\r
  36                 UCharacter.UnicodeBlock b = UCharacter.UnicodeBlock\r
  37                         .forName(names[i]);\r
  38                 logln("found: " + b + " for name: " + names[i]);\r
  39             } catch (Exception e) {\r
  40                 errln("could not find block for name: " + names[i]);\r
  41                 break;\r
  42             }\r
  43         }\r
  44     }\r
  45 \r
  46     public void TestIsValidCodePoint() {\r
  47         if (UCharacter.isValidCodePoint(-1))\r
  48             errln("-1");\r
  49         if (!UCharacter.isValidCodePoint(0))\r
  50             errln("0");\r
  51         if (!UCharacter.isValidCodePoint(UCharacter.MAX_CODE_POINT))\r
  52             errln("0x10ffff");\r
  53         if (UCharacter.isValidCodePoint(UCharacter.MAX_CODE_POINT + 1))\r
  54             errln("0x110000");\r
  55     }\r
  56 \r
  57     public void TestIsSupplementaryCodePoint() {\r
  58         if (UCharacter.isSupplementaryCodePoint(-1))\r
  59             errln("-1");\r
  60         if (UCharacter.isSupplementaryCodePoint(0))\r
  61             errln("0");\r
  62         if (UCharacter\r
  63                 .isSupplementaryCodePoint(UCharacter.MIN_SUPPLEMENTARY_CODE_POINT - 1))\r
  64             errln("0xffff");\r
  65         if (!UCharacter\r
  66                 .isSupplementaryCodePoint(UCharacter.MIN_SUPPLEMENTARY_CODE_POINT))\r
  67             errln("0x10000");\r
  68         if (!UCharacter.isSupplementaryCodePoint(UCharacter.MAX_CODE_POINT))\r
  69             errln("0x10ffff");\r
  70         if (UCharacter.isSupplementaryCodePoint(UCharacter.MAX_CODE_POINT + 1))\r
  71             errln("0x110000");\r
  72     }\r
  73 \r
  74     public void TestIsHighSurrogate() {\r
  75         if (UCharacter\r
  76                 .isHighSurrogate((char) (UCharacter.MIN_HIGH_SURROGATE - 1)))\r
  77             errln("0xd7ff");\r
  78         if (!UCharacter.isHighSurrogate(UCharacter.MIN_HIGH_SURROGATE))\r
  79             errln("0xd800");\r
  80         if (!UCharacter.isHighSurrogate(UCharacter.MAX_HIGH_SURROGATE))\r
  81             errln("0xdbff");\r
  82         if (UCharacter\r
  83                 .isHighSurrogate((char) (UCharacter.MAX_HIGH_SURROGATE + 1)))\r
  84             errln("0xdc00");\r
  85     }\r
  86 \r
  87     public void TestIsLowSurrogate() {\r
  88         if (UCharacter\r
  89                 .isLowSurrogate((char) (UCharacter.MIN_LOW_SURROGATE - 1)))\r
  90             errln("0xdbff");\r
  91         if (!UCharacter.isLowSurrogate(UCharacter.MIN_LOW_SURROGATE))\r
  92             errln("0xdc00");\r
  93         if (!UCharacter.isLowSurrogate(UCharacter.MAX_LOW_SURROGATE))\r
  94             errln("0xdfff");\r
  95         if (UCharacter\r
  96                 .isLowSurrogate((char) (UCharacter.MAX_LOW_SURROGATE + 1)))\r
  97             errln("0xe000");\r
  98     }\r
  99 \r
 100     public void TestIsSurrogatePair() {\r
 101         if (UCharacter.isSurrogatePair(\r
 102                 (char) (UCharacter.MIN_HIGH_SURROGATE - 1),\r
 103                 UCharacter.MIN_LOW_SURROGATE))\r
 104             errln("0xd7ff,0xdc00");\r
 105         if (UCharacter.isSurrogatePair(\r
 106                 (char) (UCharacter.MAX_HIGH_SURROGATE + 1),\r
 107                 UCharacter.MIN_LOW_SURROGATE))\r
 108             errln("0xd800,0xdc00");\r
 109         if (UCharacter.isSurrogatePair(UCharacter.MIN_HIGH_SURROGATE,\r
 110                 (char) (UCharacter.MIN_LOW_SURROGATE - 1)))\r
 111             errln("0xd800,0xdbff");\r
 112         if (UCharacter.isSurrogatePair(UCharacter.MIN_HIGH_SURROGATE,\r
 113                 (char) (UCharacter.MAX_LOW_SURROGATE + 1)))\r
 114             errln("0xd800,0xe000");\r
 115         if (!UCharacter.isSurrogatePair(UCharacter.MIN_HIGH_SURROGATE,\r
 116                 UCharacter.MIN_LOW_SURROGATE))\r
 117             errln("0xd800,0xdc00");\r
 118     }\r
 119 \r
 120     public void TestCharCount() {\r
 121         UCharacter.charCount(-1);\r
 122         UCharacter.charCount(UCharacter.MAX_CODE_POINT + 1);\r
 123         if (UCharacter.charCount(UCharacter.MIN_SUPPLEMENTARY_CODE_POINT - 1) != 1)\r
 124             errln("0xffff");\r
 125         if (UCharacter.charCount(UCharacter.MIN_SUPPLEMENTARY_CODE_POINT) != 2)\r
 126             errln("0x010000");\r
 127     }\r
 128 \r
 129     public void TestToCodePoint() {\r
 130         final char[] pairs = {(char) (UCharacter.MIN_HIGH_SURROGATE + 0),\r
 131                 (char) (UCharacter.MIN_LOW_SURROGATE + 0),\r
 132                 (char) (UCharacter.MIN_HIGH_SURROGATE + 1),\r
 133                 (char) (UCharacter.MIN_LOW_SURROGATE + 1),\r
 134                 (char) (UCharacter.MIN_HIGH_SURROGATE + 2),\r
 135                 (char) (UCharacter.MIN_LOW_SURROGATE + 2),\r
 136                 (char) (UCharacter.MAX_HIGH_SURROGATE - 2),\r
 137                 (char) (UCharacter.MAX_LOW_SURROGATE - 2),\r
 138                 (char) (UCharacter.MAX_HIGH_SURROGATE - 1),\r
 139                 (char) (UCharacter.MAX_LOW_SURROGATE - 1),\r
 140                 (char) (UCharacter.MAX_HIGH_SURROGATE - 0),\r
 141                 (char) (UCharacter.MAX_LOW_SURROGATE - 0),};\r
 142         for (int i = 0; i < pairs.length; i += 2) {\r
 143             int cp = UCharacter.toCodePoint(pairs[i], pairs[i + 1]);\r
 144             if (pairs[i] != UTF16.getLeadSurrogate(cp)\r
 145                     || pairs[i + 1] != UTF16.getTrailSurrogate(cp)) {\r
 146 \r
 147                 errln(Integer.toHexString(pairs[i]) + ", " + pairs[i + 1]);\r
 148                 break;\r
 149             }\r
 150         }\r
 151     }\r
 152 \r
 153     public void TestCodePointAtBefore() {\r
 154         String s = "" + UCharacter.MIN_HIGH_SURROGATE + // isolated high\r
 155                 UCharacter.MIN_HIGH_SURROGATE + // pair\r
 156                 UCharacter.MIN_LOW_SURROGATE + UCharacter.MIN_LOW_SURROGATE; // isolated\r
 157                                                                              // low\r
 158         char[] c = s.toCharArray();\r
 159         int[] avalues = {\r
 160                 UCharacter.MIN_HIGH_SURROGATE,\r
 161                 UCharacter.toCodePoint(UCharacter.MIN_HIGH_SURROGATE,\r
 162                         UCharacter.MIN_LOW_SURROGATE),\r
 163                 UCharacter.MIN_LOW_SURROGATE, UCharacter.MIN_LOW_SURROGATE};\r
 164         int[] bvalues = {\r
 165                 UCharacter.MIN_HIGH_SURROGATE,\r
 166                 UCharacter.MIN_HIGH_SURROGATE,\r
 167                 UCharacter.toCodePoint(UCharacter.MIN_HIGH_SURROGATE,\r
 168                         UCharacter.MIN_LOW_SURROGATE),\r
 169                 UCharacter.MIN_LOW_SURROGATE,};\r
 170         StringBuffer b = new StringBuffer(s);\r
 171         for (int i = 0; i < avalues.length; ++i) {\r
 172             if (UCharacter.codePointAt(s, i) != avalues[i])\r
 173                 errln("string at: " + i);\r
 174             if (UCharacter.codePointAt(c, i) != avalues[i])\r
 175                 errln("chars at: " + i);\r
 176             if (UCharacter.codePointAt(b, i) != avalues[i])\r
 177                 errln("stringbuffer at: " + i);\r
 178 \r
 179             if (UCharacter.codePointBefore(s, i + 1) != bvalues[i])\r
 180                 errln("string before: " + i);\r
 181             if (UCharacter.codePointBefore(c, i + 1) != bvalues[i])\r
 182                 errln("chars before: " + i);\r
 183             if (UCharacter.codePointBefore(b, i + 1) != bvalues[i])\r
 184                 errln("stringbuffer before: " + i);\r
 185         }\r
 186 \r
 187         //cover codePointAtBefore with limit\r
 188         logln("Testing codePointAtBefore with limit ...");\r
 189         for (int i = 0; i < avalues.length; ++i) {\r
 190             if (UCharacter.codePointAt(c, i, 4) != avalues[i])\r
 191                 errln("chars at: " + i);\r
 192             if (UCharacter.codePointBefore(c, i + 1, 0) != bvalues[i])\r
 193                 errln("chars before: " + i);\r
 194         }\r
 195 \r
 196     }\r
 197 \r
 198     public void TestToChars() {\r
 199         char[] chars = new char[3];\r
 200         int cp = UCharacter.toCodePoint(UCharacter.MIN_HIGH_SURROGATE,\r
 201                 UCharacter.MIN_LOW_SURROGATE);\r
 202         UCharacter.toChars(cp, chars, 1);\r
 203         if (chars[1] != UCharacter.MIN_HIGH_SURROGATE\r
 204                 || chars[2] != UCharacter.MIN_LOW_SURROGATE) {\r
 205 \r
 206             errln("fail");\r
 207         }\r
 208 \r
 209         chars = UCharacter.toChars(cp);\r
 210         if (chars[0] != UCharacter.MIN_HIGH_SURROGATE\r
 211                 || chars[1] != UCharacter.MIN_LOW_SURROGATE) {\r
 212 \r
 213             errln("fail");\r
 214         }\r
 215     }\r
 216 \r
 217     public void TestCodePointCount() {\r
 218         class Test {\r
 219             String str(String s, int start, int limit) {\r
 220                 if(s==null){\r
 221                     s="";\r
 222                 }\r
 223                 return "codePointCount('" + Utility.escape(s) + "' " + start\r
 224                         + ", " + limit + ")";\r
 225             }\r
 226 \r
 227             void test(String s, int start, int limit, int expected) {\r
 228                 int val1 = UCharacter.codePointCount(s.toCharArray(), start,\r
 229                         limit);\r
 230                 int val2 = UCharacter.codePointCount(s, start, limit);\r
 231                 if (val1 != expected) {\r
 232                     errln("char[] " + str(s, start, limit) + "(" + val1\r
 233                             + ") != " + expected);\r
 234                 } else if (val2 != expected) {\r
 235                     errln("String " + str(s, start, limit) + "(" + val2\r
 236                             + ") != " + expected);\r
 237                 } else if (isVerbose()) {\r
 238                     logln(str(s, start, limit) + " == " + expected);\r
 239                 }\r
 240             }\r
 241 \r
 242             void fail(String s, int start, int limit, Class exc) {\r
 243                 try {\r
 244                     UCharacter.codePointCount(s, start, limit);\r
 245                     errln("unexpected success " + str(s, start, limit));\r
 246                 } catch (Throwable e) {\r
 247                     if (!exc.isInstance(e)) {\r
 248                         warnln("bad exception " + str(s, start, limit)\r
 249                                 + e.getClass().getName());\r
 250                     }\r
 251                 }\r
 252             }\r
 253         }\r
 254 \r
 255         Test test = new Test();\r
 256         test.fail(null, 0, 1, NullPointerException.class);\r
 257         test.fail("a", -1, 0, IndexOutOfBoundsException.class);\r
 258         test.fail("a", 1, 2, IndexOutOfBoundsException.class);\r
 259         test.fail("a", 1, 0, IndexOutOfBoundsException.class);\r
 260         test.test("", 0, 0, 0);\r
 261         test.test("\ud800", 0, 1, 1);\r
 262         test.test("\udc00", 0, 1, 1);\r
 263         test.test("\ud800\udc00", 0, 1, 1);\r
 264         test.test("\ud800\udc00", 1, 2, 1);\r
 265         test.test("\ud800\udc00", 0, 2, 1);\r
 266         test.test("\udc00\ud800", 0, 1, 1);\r
 267         test.test("\udc00\ud800", 1, 2, 1);\r
 268         test.test("\udc00\ud800", 0, 2, 2);\r
 269         test.test("\ud800\ud800\udc00", 0, 2, 2);\r
 270         test.test("\ud800\ud800\udc00", 1, 3, 1);\r
 271         test.test("\ud800\ud800\udc00", 0, 3, 2);\r
 272         test.test("\ud800\udc00\udc00", 0, 2, 1);\r
 273         test.test("\ud800\udc00\udc00", 1, 3, 2);\r
 274         test.test("\ud800\udc00\udc00", 0, 3, 2);\r
 275     }\r
 276 \r
 277     public void TestOffsetByCodePoints() {\r
 278         class Test {\r
 279             String str(String s, int start, int count, int index, int offset) {\r
 280                 return "offsetByCodePoints('" + Utility.escape(s) + "' "\r
 281                         + start + ", " + count + ", " + index + ", " + offset\r
 282                         + ")";\r
 283             }\r
 284 \r
 285             void test(String s, int start, int count, int index, int offset,\r
 286                     int expected, boolean flip) {\r
 287                 char[] chars = s.toCharArray();\r
 288                 String string = s.substring(start, start + count);\r
 289                 int val1 = UCharacter.offsetByCodePoints(chars, start, count,\r
 290                         index, offset);\r
 291                 int val2 = UCharacter.offsetByCodePoints(string, index - start,\r
 292                         offset)\r
 293                         + start;\r
 294 \r
 295                 if (val1 != expected) {\r
 296                     errln("char[] " + str(s, start, count, index, offset) + "("\r
 297                             + val1 + ") != " + expected);\r
 298                 } else if (val2 != expected) {\r
 299                     errln("String " + str(s, start, count, index, offset) + "("\r
 300                             + val2 + ") != " + expected);\r
 301                 } else if (isVerbose()) {\r
 302                     logln(str(s, start, count, index, offset) + " == "\r
 303                             + expected);\r
 304                 }\r
 305 \r
 306                 if (flip) {\r
 307                     val1 = UCharacter.offsetByCodePoints(chars, start, count,\r
 308                             expected, -offset);\r
 309                     val2 = UCharacter.offsetByCodePoints(string, expected\r
 310                             - start, -offset)\r
 311                             + start;\r
 312                     if (val1 != index) {\r
 313                         errln("char[] "\r
 314                                 + str(s, start, count, expected, -offset) + "("\r
 315                                 + val1 + ") != " + index);\r
 316                     } else if (val2 != index) {\r
 317                         errln("String "\r
 318                                 + str(s, start, count, expected, -offset) + "("\r
 319                                 + val2 + ") != " + index);\r
 320                     } else if (isVerbose()) {\r
 321                         logln(str(s, start, count, expected, -offset) + " == "\r
 322                                 + index);\r
 323                     }\r
 324                 }\r
 325             }\r
 326 \r
 327             void fail(char[] text, int start, int count, int index, int offset,\r
 328                     Class exc) {\r
 329                 try {\r
 330                     UCharacter.offsetByCodePoints(text, start, count, index,\r
 331                             offset);\r
 332                     errln("unexpected success "\r
 333                             + str(new String(text), start, count, index, offset));\r
 334                 } catch (Throwable e) {\r
 335                     if (!exc.isInstance(e)) {\r
 336                         errln("bad exception "\r
 337                                 + str(new String(text), start, count, index,\r
 338                                         offset) + e.getClass().getName());\r
 339                     }\r
 340                 }\r
 341             }\r
 342 \r
 343             void fail(String text, int index, int offset, Class exc) {\r
 344                 try {\r
 345                     UCharacter.offsetByCodePoints(text, index, offset);\r
 346                     errln("unexpected success "\r
 347                             + str(text, index, offset, 0, text.length()));\r
 348                 } catch (Throwable e) {\r
 349                     if (!exc.isInstance(e)) {\r
 350                         errln("bad exception "\r
 351                                 + str(text, 0, text.length(), index, offset)\r
 352                                 + e.getClass().getName());\r
 353                     }\r
 354                 }\r
 355             }\r
 356         }\r
 357 \r
 358         Test test = new Test();\r
 359 \r
 360         test.test("\ud800\ud800\udc00", 0, 2, 0, 1, 1, true);\r
 361 \r
 362         test.fail((char[]) null, 0, 1, 0, 1, NullPointerException.class);\r
 363         test.fail((String) null, 0, 1, NullPointerException.class);\r
 364         test.fail("abc", -1, 0, IndexOutOfBoundsException.class);\r
 365         test.fail("abc", 4, 0, IndexOutOfBoundsException.class);\r
 366         test.fail("abc", 1, -2, IndexOutOfBoundsException.class);\r
 367         test.fail("abc", 2, 2, IndexOutOfBoundsException.class);\r
 368         char[] abc = "abc".toCharArray();\r
 369         test.fail(abc, -1, 2, 0, 0, IndexOutOfBoundsException.class);\r
 370         test.fail(abc, 2, 2, 3, 0, IndexOutOfBoundsException.class);\r
 371         test.fail(abc, 1, -1, 0, 0, IndexOutOfBoundsException.class);\r
 372         test.fail(abc, 1, 1, 2, -2, IndexOutOfBoundsException.class);\r
 373         test.fail(abc, 1, 1, 1, 2, IndexOutOfBoundsException.class);\r
 374         test.fail(abc, 1, 2, 1, 3, IndexOutOfBoundsException.class);\r
 375         test.fail(abc, 0, 2, 2, -3, IndexOutOfBoundsException.class);\r
 376         test.test("", 0, 0, 0, 0, 0, false);\r
 377         test.test("\ud800", 0, 1, 0, 1, 1, true);\r
 378         test.test("\udc00", 0, 1, 0, 1, 1, true);\r
 379 \r
 380         String s = "\ud800\udc00";\r
 381         test.test(s, 0, 1, 0, 1, 1, true);\r
 382         test.test(s, 0, 2, 0, 1, 2, true);\r
 383         test.test(s, 0, 2, 1, 1, 2, false);\r
 384         test.test(s, 1, 1, 1, 1, 2, true);\r
 385 \r
 386         s = "\udc00\ud800";\r
 387         test.test(s, 0, 1, 0, 1, 1, true);\r
 388         test.test(s, 0, 2, 0, 1, 1, true);\r
 389         test.test(s, 0, 2, 0, 2, 2, true);\r
 390         test.test(s, 0, 2, 1, 1, 2, true);\r
 391         test.test(s, 1, 1, 1, 1, 2, true);\r
 392 \r
 393         s = "\ud800\ud800\udc00";\r
 394         test.test(s, 0, 1, 0, 1, 1, true);\r
 395         test.test(s, 0, 2, 0, 1, 1, true);\r
 396         test.test(s, 0, 2, 0, 2, 2, true);\r
 397         test.test(s, 0, 2, 1, 1, 2, true);\r
 398         test.test(s, 0, 3, 0, 1, 1, true);\r
 399         test.test(s, 0, 3, 0, 2, 3, true);\r
 400         test.test(s, 0, 3, 1, 1, 3, true);\r
 401         test.test(s, 0, 3, 2, 1, 3, false);\r
 402         test.test(s, 1, 1, 1, 1, 2, true);\r
 403         test.test(s, 1, 2, 1, 1, 3, true);\r
 404         test.test(s, 1, 2, 2, 1, 3, false);\r
 405         test.test(s, 2, 1, 2, 1, 3, true);\r
 406 \r
 407         s = "\ud800\udc00\udc00";\r
 408         test.test(s, 0, 1, 0, 1, 1, true);\r
 409         test.test(s, 0, 2, 0, 1, 2, true);\r
 410         test.test(s, 0, 2, 1, 1, 2, false);\r
 411         test.test(s, 0, 3, 0, 1, 2, true);\r
 412         test.test(s, 0, 3, 0, 2, 3, true);\r
 413         test.test(s, 0, 3, 1, 1, 2, false);\r
 414         test.test(s, 0, 3, 1, 2, 3, false);\r
 415         test.test(s, 0, 3, 2, 1, 3, true);\r
 416         test.test(s, 1, 1, 1, 1, 2, true);\r
 417         test.test(s, 1, 2, 1, 1, 2, true);\r
 418         test.test(s, 1, 2, 1, 2, 3, true);\r
 419         test.test(s, 1, 2, 2, 1, 3, true);\r
 420         test.test(s, 2, 1, 2, 1, 3, true);\r
 421     }\r
 422 }\r