icuSources/test/intltest/itspoof.cpp

   1 // © 2016 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3 /*
   4 **********************************************************************
   5 * Copyright (C) 2011-2015, International Business Machines Corporation
   6 * and others.  All Rights Reserved.
   7 **********************************************************************
   8 */
   9 /**
  10  * IntlTestSpoof tests for USpoofDetector
  11  */
  12
  13 #include "unicode/utypes.h"
  14
  15 #if !UCONFIG_NO_REGULAR_EXPRESSIONS && !UCONFIG_NO_NORMALIZATION && !UCONFIG_NO_FILE_IO
  16
  17 #include "itspoof.h"
  18
  19 #include "unicode/normlzr.h"
  20 #include "unicode/regex.h"
  21 #include "unicode/unistr.h"
  22 #include "unicode/uscript.h"
  23 #include "unicode/uspoof.h"
  24
  25 #include "cstring.h"
  26 #include "scriptset.h"
  27 #include "uhash.h"
  28
  29 #include <stdlib.h>
  30 #include <stdio.h>
  31
  32 #define TEST_ASSERT_SUCCESS(status) {if (U_FAILURE(status)) { \
  33     errcheckln(status, "Failure at file %s, line %d, error = %s", __FILE__, __LINE__, u_errorName(status));}}
  34
  35 #define TEST_ASSERT(expr) {if ((expr)==FALSE) { \
  36     errln("Test Failure at file %s, line %d: \"%s\" is false.", __FILE__, __LINE__, #expr);};}
  37
  38 #define TEST_ASSERT_MSG(expr, msg) {if ((expr)==FALSE) { \
  39     dataerrln("Test Failure at file %s, line %d, %s: \"%s\" is false.", __FILE__, __LINE__, msg, #expr);};}
  40
  41 #define TEST_ASSERT_EQ(a, b) { if ((a) != (b)) { \
  42     errln("Test Failure at file %s, line %d: \"%s\" (%d) != \"%s\" (%d)", \
  43              __FILE__, __LINE__, #a, (a), #b, (b)); }}
  44
  45 #define TEST_ASSERT_NE(a, b) { if ((a) == (b)) { \
  46     errln("Test Failure at file %s, line %d: \"%s\" (%d) == \"%s\" (%d)", \
  47              __FILE__, __LINE__, #a, (a), #b, (b)); }}
  48
  49 /*
  50  *   TEST_SETUP and TEST_TEARDOWN
  51  *         macros to handle the boilerplate around setting up test case.
  52  *         Put arbitrary test code between SETUP and TEARDOWN.
  53  *         "sc" is the ready-to-go  SpoofChecker for use in the tests.
  54  */
  55 #define TEST_SETUP {  \
  56     UErrorCode status = U_ZERO_ERROR; \
  57     USpoofChecker *sc;     \
  58     sc = uspoof_open(&status);  \
  59     TEST_ASSERT_SUCCESS(status);   \
  60     USpoofCheckResult *checkResult; \
  61     checkResult = uspoof_openCheckResult(&status); \
  62     TEST_ASSERT_SUCCESS(status);   \
  63     if (U_SUCCESS(status)){
  64
  65 #define TEST_TEARDOWN  \
  66     }  \
  67     TEST_ASSERT_SUCCESS(status);  \
  68     uspoof_closeCheckResult(checkResult); \
  69     uspoof_close(sc);  \
  70 }
  71
  72
  73
  74
  75 void IntlTestSpoof::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
  76 {
  77     if (exec) {
  78         logln("TestSuite spoof: ");
  79     }
  80     TESTCASE_AUTO_BEGIN;
  81     TESTCASE_AUTO(testSpoofAPI);
  82     TESTCASE_AUTO(testSkeleton);
  83     TESTCASE_AUTO(testAreConfusable);
  84     TESTCASE_AUTO(testInvisible);
  85     TESTCASE_AUTO(testConfData);
  86     TESTCASE_AUTO(testBug8654);
  87     TESTCASE_AUTO(testScriptSet);
  88     TESTCASE_AUTO(testRestrictionLevel);
  89     TESTCASE_AUTO(testMixedNumbers);
  90     TESTCASE_AUTO(testBug12153);
  91     TESTCASE_AUTO(testBug12825);
  92     TESTCASE_AUTO(testBug12815);
  93     TESTCASE_AUTO_END;
  94 }
  95
  96 void IntlTestSpoof::testSpoofAPI() {
  97
  98     TEST_SETUP
  99         UnicodeString s("xyz");  // Many latin ranges are whole-script confusable with other scripts.
 100                                  // If this test starts failing, consult confusablesWholeScript.txt
 101         int32_t position = 666;
 102         int32_t checkResults = uspoof_checkUnicodeString(sc, s, &position, &status);
 103         TEST_ASSERT_SUCCESS(status);
 104         TEST_ASSERT_EQ(0, checkResults);
 105         TEST_ASSERT_EQ(0, position);
 106     TEST_TEARDOWN;
 107
 108     TEST_SETUP
 109         UnicodeString s1("cxs");
 110         UnicodeString s2 = UnicodeString("\\u0441\\u0445\\u0455").unescape();  // Cyrillic "cxs"
 111         int32_t checkResults = uspoof_areConfusableUnicodeString(sc, s1, s2, &status);
 112         TEST_ASSERT_SUCCESS(status);
 113         TEST_ASSERT_EQ(USPOOF_MIXED_SCRIPT_CONFUSABLE | USPOOF_WHOLE_SCRIPT_CONFUSABLE, checkResults);
 114
 115     TEST_TEARDOWN;
 116
 117     TEST_SETUP
 118         UnicodeString s("I1l0O");
 119         UnicodeString dest;
 120         UnicodeString &retStr = uspoof_getSkeletonUnicodeString(sc, USPOOF_ANY_CASE, s, dest, &status);
 121         TEST_ASSERT_SUCCESS(status);
 122         TEST_ASSERT(UnicodeString("lllOO") == dest);
 123         TEST_ASSERT(&dest == &retStr);
 124     TEST_TEARDOWN;
 125 }
 126
 127
 128 #define CHECK_SKELETON(type, input, expected) { \
 129     checkSkeleton(sc, type, input, expected, __LINE__); \
 130     }
 131
 132
 133 // testSkeleton.   Spot check a number of confusable skeleton substitutions from the
 134 //                 Unicode data file confusables.txt
 135 //                 Test cases chosen for substitutions of various lengths, and
 136 //                 membership in different mapping tables.
 137 //          Note: for ICU 55, all tables collapsed to the MA table data.
 138 //          TODO: for ICU 56 with Unicode 8, revisit this test.
 139 //
 140 void IntlTestSpoof::testSkeleton() {
 141     const uint32_t ML = 0;
 142     const uint32_t SL = USPOOF_SINGLE_SCRIPT_CONFUSABLE;
 143     const uint32_t MA = USPOOF_ANY_CASE;
 144     const uint32_t SA = USPOOF_SINGLE_SCRIPT_CONFUSABLE | USPOOF_ANY_CASE;
 145
 146     TEST_SETUP
 147         CHECK_SKELETON(SL, "nochange", "nochange");
 148         CHECK_SKELETON(SA, "nochange", "nochange");
 149         CHECK_SKELETON(ML, "nochange", "nochange");
 150         CHECK_SKELETON(MA, "nochange", "nochange");
 151         CHECK_SKELETON(MA, "love", "love");
 152         CHECK_SKELETON(MA, "1ove", "love");   // Digit 1 to letter l
 153         CHECK_SKELETON(ML, "OOPS", "OOPS");
 154         CHECK_SKELETON(ML, "00PS", "OOPS");
 155         CHECK_SKELETON(MA, "OOPS", "OOPS");
 156         CHECK_SKELETON(MA, "00PS", "OOPS");   // Digit 0 to letter O in any case mode only
 157         CHECK_SKELETON(SL, "\\u059c", "\\u0301");
 158         CHECK_SKELETON(SL, "\\u2A74", "\\u003A\\u003A\\u003D");
 159         CHECK_SKELETON(SL, "\\u247E", "\\u0028\\u006C\\u006C\\u0029");  // "(ll)"
 160         CHECK_SKELETON(SL, "\\uFDFB", "\\u062C\\u0644\\u0020\\u062C\\u0644\\u006c\\u0644\\u006f");
 161
 162         // This mapping exists in the ML and MA tables, does not exist in SL, SA
 163         // 0C83 ;       0983 ;  ML
 164         // 0C83 ;       0983 ;  MA
 165         //
 166
 167         CHECK_SKELETON(SL, "\\u0C83", "\\u0983");
 168         CHECK_SKELETON(SA, "\\u0C83", "\\u0983");
 169         CHECK_SKELETON(ML, "\\u0C83", "\\u0983");
 170         CHECK_SKELETON(MA, "\\u0C83", "\\u0983");
 171
 172         // 0391 mappings exist only in MA and SA tables.
 173         CHECK_SKELETON(MA, "\\u0391", "A");
 174         CHECK_SKELETON(SA, "\\u0391", "A");
 175         CHECK_SKELETON(ML, "\\u0391", "A");
 176         CHECK_SKELETON(SL, "\\u0391", "A");
 177
 178         // 13CF Mappings in all four tables, different in MA.
 179         CHECK_SKELETON(ML, "\\u13CF", "b");
 180         CHECK_SKELETON(MA, "\\u13CF", "b");
 181         CHECK_SKELETON(SL, "\\u13CF", "b");
 182         CHECK_SKELETON(SA, "\\u13CF", "b");
 183
 184         // 0022 ;  0027 0027 ;
 185         // all tables.
 186         CHECK_SKELETON(SL, "\\u0022", "\\u0027\\u0027");
 187         CHECK_SKELETON(SA, "\\u0022", "\\u0027\\u0027");
 188         CHECK_SKELETON(ML, "\\u0022", "\\u0027\\u0027");
 189         CHECK_SKELETON(MA, "\\u0022", "\\u0027\\u0027");
 190
 191         // 017F mappings exist only in MA and SA tables.
 192         CHECK_SKELETON(MA, "\\u017F", "f");
 193         CHECK_SKELETON(SA, "\\u017F", "f");
 194         CHECK_SKELETON(ML, "\\u017F", "f");
 195         CHECK_SKELETON(SL, "\\u017F", "f");
 196
 197     TEST_TEARDOWN;
 198 }
 199
 200
 201 //
 202 //  Run a single confusable skeleton transformation test case.
 203 //
 204 void IntlTestSpoof::checkSkeleton(const USpoofChecker *sc, uint32_t type,
 205                                   const char *input, const char *expected, int32_t lineNum) {
 206     UnicodeString uInput = UnicodeString(input).unescape();
 207     UnicodeString uExpected = UnicodeString(expected).unescape();
 208
 209     UErrorCode status = U_ZERO_ERROR;
 210     UnicodeString actual;
 211     uspoof_getSkeletonUnicodeString(sc, type, uInput, actual, &status);
 212     if (U_FAILURE(status)) {
 213         errln("File %s, Line %d, Test case from line %d, status is %s", __FILE__, __LINE__, lineNum,
 214               u_errorName(status));
 215         return;
 216     }
 217     if (uExpected != actual) {
 218         errln("File %s, Line %d, Test case from line %d, Actual and Expected skeletons differ.",
 219                __FILE__, __LINE__, lineNum);
 220         errln(UnicodeString(" Actual   Skeleton: \"") + actual + UnicodeString("\"\n") +
 221               UnicodeString(" Expected Skeleton: \"") + uExpected + UnicodeString("\""));
 222     }
 223 }
 224
 225 void IntlTestSpoof::testAreConfusable() {
 226     TEST_SETUP
 227         UnicodeString s1("A long string that will overflow stack buffers.  A long string that will overflow stack buffers. "
 228                          "A long string that will overflow stack buffers.  A long string that will overflow stack buffers. ");
 229         UnicodeString s2("A long string that wi11 overflow stack buffers.  A long string that will overflow stack buffers. "
 230                          "A long string that wi11 overflow stack buffers.  A long string that will overflow stack buffers. ");
 231         int32_t result = uspoof_areConfusableUnicodeString(sc, s1, s2, &status);
 232         TEST_ASSERT_SUCCESS(status);
 233         TEST_ASSERT_EQ(USPOOF_SINGLE_SCRIPT_CONFUSABLE, result);
 234
 235     TEST_TEARDOWN;
 236 }
 237
 238 void IntlTestSpoof::testInvisible() {
 239     TEST_SETUP
 240         UnicodeString  s = UnicodeString("abcd\\u0301ef").unescape();
 241         int32_t position = -42;
 242         TEST_ASSERT_EQ(0, uspoof_checkUnicodeString(sc, s, &position, &status));
 243         TEST_ASSERT_SUCCESS(status);
 244         TEST_ASSERT(0 == position);
 245
 246         UnicodeString  s2 = UnicodeString("abcd\\u0301\\u0302\\u0301ef").unescape();
 247         TEST_ASSERT_EQ(USPOOF_INVISIBLE, uspoof_checkUnicodeString(sc, s2, &position, &status));
 248         TEST_ASSERT_SUCCESS(status);
 249         TEST_ASSERT_EQ(0, position);
 250
 251         // Two acute accents, one from the composed a with acute accent, \u00e1,
 252         // and one separate.
 253         position = -42;
 254         UnicodeString  s3 = UnicodeString("abcd\\u00e1\\u0301xyz").unescape();
 255         TEST_ASSERT_EQ(USPOOF_INVISIBLE, uspoof_checkUnicodeString(sc, s3, &position, &status));
 256         TEST_ASSERT_SUCCESS(status);
 257         TEST_ASSERT_EQ(0, position);
 258     TEST_TEARDOWN;
 259 }
 260
 261 void IntlTestSpoof::testBug8654() {
 262     TEST_SETUP
 263         UnicodeString s = UnicodeString("B\\u00c1\\u0301").unescape();
 264         int32_t position = -42;
 265         TEST_ASSERT_EQ(USPOOF_INVISIBLE, uspoof_checkUnicodeString(sc, s, &position, &status) & USPOOF_INVISIBLE );
 266         TEST_ASSERT_SUCCESS(status);
 267         TEST_ASSERT_EQ(0, position);
 268     TEST_TEARDOWN;
 269 }
 270
 271 static UnicodeString parseHex(const UnicodeString &in) {
 272     // Convert a series of hex numbers in a Unicode String to a string with the
 273     // corresponding characters.
 274     // The conversion is _really_ annoying.  There must be some function to just do it.
 275     UnicodeString result;
 276     UChar32 cc = 0;
 277     for (int32_t i=0; i<in.length(); i++) {
 278         UChar c = in.charAt(i);
 279         if (c == 0x20) {   // Space
 280             if (cc > 0) {
 281                result.append(cc);
 282                cc = 0;
 283             }
 284         } else if (c>=0x30 && c<=0x39) {
 285             cc = (cc<<4) + (c - 0x30);
 286         } else if ((c>=0x41 && c<=0x46) || (c>=0x61 && c<=0x66)) {
 287             cc = (cc<<4) + (c & 0x0f)+9;
 288         }
 289         // else do something with bad input.
 290     }
 291     if (cc > 0) {
 292         result.append(cc);
 293     }
 294     return result;
 295 }
 296
 297
 298 //
 299 // Append the hex form of a UChar32 to a UnicodeString.
 300 // Used in formatting error messages.
 301 // Match the formatting of numbers in confusables.txt
 302 // Minimum of 4 digits, no leading zeroes for positions 5 and up.
 303 //
 304 static void appendHexUChar(UnicodeString &dest, UChar32 c) {
 305     UBool   doZeroes = FALSE;
 306     for (int bitNum=28; bitNum>=0; bitNum-=4) {
 307         if (bitNum <= 12) {
 308             doZeroes = TRUE;
 309         }
 310         int hexDigit = (c>>bitNum) & 0x0f;
 311         if (hexDigit != 0 || doZeroes) {
 312             doZeroes = TRUE;
 313             dest.append((UChar)(hexDigit<=9? hexDigit + 0x30: hexDigit -10 + 0x41));
 314         }
 315     }
 316     dest.append((UChar)0x20);
 317 }
 318
 319 U_DEFINE_LOCAL_OPEN_POINTER(LocalStdioFilePointer, FILE, fclose);
 320
 321 //  testConfData - Check each data item from the Unicode confusables.txt file,
 322 //                 verify that it transforms correctly in a skeleton.
 323 //
 324 void IntlTestSpoof::testConfData() {
 325     char buffer[2000];
 326     if (getUnidataPath(buffer) == NULL) {
 327         errln("Skipping test spoof/testConfData. Unable to find path to source/data/unidata/.");
 328         return;
 329     }
 330     uprv_strcat(buffer, "confusables.txt");
 331
 332     LocalStdioFilePointer f(fopen(buffer, "rb"));
 333     if (f.isNull()) {
 334         errln("Skipping test spoof/testConfData.  File confusables.txt not accessible.");
 335         return;
 336     }
 337     fseek(f.getAlias(), 0, SEEK_END);
 338     int32_t  fileSize = ftell(f.getAlias());
 339     LocalArray<char> fileBuf(new char[fileSize]);
 340     fseek(f.getAlias(), 0, SEEK_SET);
 341     int32_t amt_read = fread(fileBuf.getAlias(), 1, fileSize, f.getAlias());
 342     TEST_ASSERT_EQ(amt_read, fileSize);
 343     TEST_ASSERT(fileSize>0);
 344     if (amt_read != fileSize || fileSize <=0) {
 345         return;
 346     }
 347     UnicodeString confusablesTxt = UnicodeString::fromUTF8(StringPiece(fileBuf.getAlias(), fileSize));
 348
 349     UErrorCode status = U_ZERO_ERROR;
 350     LocalUSpoofCheckerPointer sc(uspoof_open(&status));
 351     TEST_ASSERT_SUCCESS(status);
 352
 353     // Parse lines from the confusables.txt file.  Example Line:
 354     // FF44 ;   0064 ;  SL      # ( d -> d ) FULLWIDTH ....
 355     // Three fields.  The hex fields can contain more than one character,
 356     //                and each character may be more than 4 digits (for supplemntals)
 357     // This regular expression matches lines and splits the fields into capture groups.
 358     RegexMatcher parseLine("(?m)^([0-9A-F]{4}[^#;]*?);([^#;]*?);([^#]*)", confusablesTxt, 0, status);
 359     TEST_ASSERT_SUCCESS(status);
 360     while (parseLine.find()) {
 361         UnicodeString from = parseHex(parseLine.group(1, status));
 362         if (!Normalizer::isNormalized(from, UNORM_NFD, status)) {
 363             // The source character was not NFD.
 364             // Skip this case; the first step in obtaining a skeleton is to NFD the input,
 365             //  so the mapping in this line of confusables.txt will never be applied.
 366             continue;
 367         }
 368
 369         UnicodeString rawExpected = parseHex(parseLine.group(2, status));
 370         UnicodeString expected;
 371         Normalizer::decompose(rawExpected, FALSE /*NFD*/, 0, expected, status);
 372         TEST_ASSERT_SUCCESS(status);
 373
 374         int32_t skeletonType = 0;
 375         UnicodeString tableType = parseLine.group(3, status);
 376         TEST_ASSERT_SUCCESS(status);
 377         if (tableType.indexOf("SL") >= 0) {
 378             skeletonType = USPOOF_SINGLE_SCRIPT_CONFUSABLE;
 379         } else if (tableType.indexOf("SA") >= 0) {
 380             skeletonType = USPOOF_SINGLE_SCRIPT_CONFUSABLE | USPOOF_ANY_CASE;
 381         } else if (tableType.indexOf("ML") >= 0) {
 382             skeletonType = 0;
 383         } else if (tableType.indexOf("MA") >= 0) {
 384             skeletonType = USPOOF_ANY_CASE;
 385         }
 386
 387         UnicodeString actual;
 388         uspoof_getSkeletonUnicodeString(sc.getAlias(), skeletonType, from, actual, &status);
 389         TEST_ASSERT_SUCCESS(status);
 390         TEST_ASSERT(actual == expected);
 391         if (actual != expected) {
 392             errln(parseLine.group(0, status));
 393             UnicodeString line = "Actual: ";
 394             int i = 0;
 395             while (i < actual.length()) {
 396                 appendHexUChar(line, actual.char32At(i));
 397                 i = actual.moveIndex32(i, 1);
 398             }
 399             errln(line);
 400         }
 401         if (U_FAILURE(status)) {
 402             break;
 403         }
 404     }
 405 }
 406
 407
 408 void IntlTestSpoof::testScriptSet() {
 409     ScriptSet s1;
 410     ScriptSet s2;
 411     UErrorCode status = U_ZERO_ERROR;
 412
 413     TEST_ASSERT(s1 == s2);
 414     s1.set(USCRIPT_ARABIC,status);
 415     TEST_ASSERT_SUCCESS(status);
 416     TEST_ASSERT(!(s1 == s2));
 417     TEST_ASSERT(s1.test(USCRIPT_ARABIC, status));
 418     TEST_ASSERT(s1.test(USCRIPT_GREEK, status) == FALSE);
 419
 420     status = U_ZERO_ERROR;
 421     s1.reset(USCRIPT_ARABIC, status);
 422     TEST_ASSERT(s1 == s2);
 423
 424     status = U_ZERO_ERROR;
 425     s1.setAll();
 426     TEST_ASSERT(s1.test(USCRIPT_COMMON, status));
 427     TEST_ASSERT(s1.test(USCRIPT_ETHIOPIC, status));
 428     TEST_ASSERT(s1.test(USCRIPT_CODE_LIMIT, status));
 429     s1.resetAll();
 430     TEST_ASSERT(!s1.test(USCRIPT_COMMON, status));
 431     TEST_ASSERT(!s1.test(USCRIPT_ETHIOPIC, status));
 432     TEST_ASSERT(!s1.test(USCRIPT_CODE_LIMIT, status));
 433
 434     status = U_ZERO_ERROR;
 435     s1.set(USCRIPT_TAKRI, status);
 436     s1.set(USCRIPT_BLISSYMBOLS, status);
 437     s2.setAll();
 438     TEST_ASSERT(s2.contains(s1));
 439     TEST_ASSERT(!s1.contains(s2));
 440     TEST_ASSERT(s2.intersects(s1));
 441     TEST_ASSERT(s1.intersects(s2));
 442     s2.reset(USCRIPT_TAKRI, status);
 443     TEST_ASSERT(!s2.contains(s1));
 444     TEST_ASSERT(!s1.contains(s2));
 445     TEST_ASSERT(s1.intersects(s2));
 446     TEST_ASSERT(s2.intersects(s1));
 447     TEST_ASSERT_SUCCESS(status);
 448
 449     status = U_ZERO_ERROR;
 450     s1.resetAll();
 451     s1.set(USCRIPT_NKO, status);
 452     s1.set(USCRIPT_COMMON, status);
 453     s2 = s1;
 454     TEST_ASSERT(s2 == s1);
 455     TEST_ASSERT_EQ(2, s2.countMembers());
 456     s2.intersect(s1);
 457     TEST_ASSERT(s2 == s1);
 458     s2.setAll();
 459     TEST_ASSERT(!(s2 == s1));
 460     TEST_ASSERT(s2.countMembers() >= USCRIPT_CODE_LIMIT);
 461     s2.intersect(s1);
 462     TEST_ASSERT(s2 == s1);
 463
 464     s2.setAll();
 465     s2.reset(USCRIPT_COMMON, status);
 466     s2.intersect(s1);
 467     TEST_ASSERT(s2.countMembers() == 1);
 468
 469     s1.resetAll();
 470     TEST_ASSERT(s1.isEmpty());
 471     s1.set(USCRIPT_LATIN, status);
 472     TEST_ASSERT(!s1.isEmpty());
 473     s1.setAll();
 474     TEST_ASSERT(!s1.isEmpty());
 475     TEST_ASSERT_SUCCESS(status);
 476
 477     s1.resetAll();
 478     s1.set(USCRIPT_AFAKA, status);
 479     s1.set(USCRIPT_VAI, status);
 480     s1.set(USCRIPT_INHERITED, status);
 481     int32_t n = -1;
 482     for (int32_t i=0; i<4; i++) {
 483         n = s1.nextSetBit(n+1);
 484         switch (i) {
 485           case 0: TEST_ASSERT_EQ(USCRIPT_INHERITED, n); break;
 486           case 1: TEST_ASSERT_EQ(USCRIPT_VAI, n); break;
 487           case 2: TEST_ASSERT_EQ(USCRIPT_AFAKA, n); break;
 488           case 3: TEST_ASSERT_EQ(-1, (int32_t)n); break;
 489           default: TEST_ASSERT(FALSE);
 490         }
 491     }
 492     TEST_ASSERT_SUCCESS(status);
 493
 494     // Script extensions.  Depends on data.
 495     s1.resetAll();
 496     s1.setScriptExtensions(0x67, status);
 497     TEST_ASSERT(s1.countMembers() == 1);
 498     TEST_ASSERT(s1.test(USCRIPT_LATIN, status));
 499     TEST_ASSERT_SUCCESS(status);
 500
 501     s1.resetAll();
 502     s1.setScriptExtensions(0x303C, status);
 503     TEST_ASSERT(s1.countMembers() == 3);
 504     TEST_ASSERT(s1.test(USCRIPT_HAN, status));
 505     TEST_ASSERT(s1.test(USCRIPT_HIRAGANA, status));
 506     TEST_ASSERT(s1.test(USCRIPT_KATAKANA, status));
 507     TEST_ASSERT_SUCCESS(status);
 508
 509     // Additional tests
 510     ScriptSet bitset12; bitset12.set(USCRIPT_LATIN, status).set(USCRIPT_HANGUL, status);
 511     ScriptSet bitset2;  bitset2.set(USCRIPT_HANGUL, status);
 512     TEST_ASSERT(bitset12.contains(bitset2));
 513     TEST_ASSERT(bitset12.contains(bitset12));
 514     TEST_ASSERT(!bitset2.contains(bitset12));
 515
 516     ScriptSet arabSet;  arabSet.set(USCRIPT_ARABIC, status);
 517     ScriptSet latinSet; latinSet.set(USCRIPT_LATIN, status);
 518     UElement arabEl;  arabEl.pointer = &arabSet;
 519     UElement latinEl; latinEl.pointer = &latinSet;
 520     TEST_ASSERT(uhash_compareScriptSet(arabEl, latinEl) < 0);
 521     TEST_ASSERT(uhash_compareScriptSet(latinEl, arabEl) > 0);
 522
 523     UnicodeString scriptString;
 524     bitset12.displayScripts(scriptString);
 525     TEST_ASSERT(UNICODE_STRING_SIMPLE("Hang Latn") == scriptString);
 526 }
 527
 528
 529 void IntlTestSpoof::testRestrictionLevel() {
 530     struct Test {
 531         const char         *fId;
 532         URestrictionLevel   fExpectedRestrictionLevel;
 533     } tests[] = {
 534         {"\\u0061\\u03B3\\u2665", USPOOF_UNRESTRICTIVE},
 535         {"a",                     USPOOF_ASCII},
 536         {"\\u03B3",               USPOOF_SINGLE_SCRIPT_RESTRICTIVE},
 537         {"\\u0061\\u30A2\\u30FC", USPOOF_HIGHLY_RESTRICTIVE},
 538         {"\\u0061\\u0904",        USPOOF_MODERATELY_RESTRICTIVE},
 539         {"\\u0061\\u03B3",        USPOOF_MINIMALLY_RESTRICTIVE},
 540         {"\\u0061\\u2665",                USPOOF_UNRESTRICTIVE},
 541         {"\\u0061\\u303C",                USPOOF_HIGHLY_RESTRICTIVE},
 542         {"\\u0061\\u30FC\\u303C",         USPOOF_HIGHLY_RESTRICTIVE},
 543         {"\\u0061\\u30FC\\u303C\\u30A2",  USPOOF_HIGHLY_RESTRICTIVE},
 544         {"\\u30A2\\u0061\\u30FC\\u303C",  USPOOF_HIGHLY_RESTRICTIVE},
 545         {"\\u0061\\u0031\\u0661",         USPOOF_MODERATELY_RESTRICTIVE},
 546         {"\\u0061\\u0031\\u0661\\u06F1",  USPOOF_MODERATELY_RESTRICTIVE},
 547         {"\\u0661\\u30FC\\u303C\\u0061\\u30A2\\u0031\\u0967\\u06F1",  USPOOF_MINIMALLY_RESTRICTIVE},
 548         {"\\u0061\\u30A2\\u30FC\\u303C\\u0031\\u0967\\u0661\\u06F1",  USPOOF_MINIMALLY_RESTRICTIVE}
 549     };
 550     char msgBuffer[100];
 551     URestrictionLevel restrictionLevels[] = { USPOOF_ASCII, USPOOF_SINGLE_SCRIPT_RESTRICTIVE,
 552         USPOOF_HIGHLY_RESTRICTIVE, USPOOF_MODERATELY_RESTRICTIVE, USPOOF_MINIMALLY_RESTRICTIVE,
 553         USPOOF_UNRESTRICTIVE};
 554
 555     UErrorCode status = U_ZERO_ERROR;
 556     UnicodeSet allowedChars;
 557     // Allowed Identifier Characters. In addition to the Recommended Set,
 558     //    allow u303c, which has an interesting script extension of Hani Hira Kana.
 559     allowedChars.addAll(*uspoof_getRecommendedUnicodeSet(&status)).add(0x303C);
 560
 561     for (int32_t testNum=0; testNum < UPRV_LENGTHOF(tests); testNum++) {
 562         status = U_ZERO_ERROR;
 563         const Test &test = tests[testNum];
 564         UnicodeString testString = UnicodeString(test.fId).unescape();
 565         URestrictionLevel expectedLevel = test.fExpectedRestrictionLevel;
 566         for (int levelIndex=0; levelIndex<UPRV_LENGTHOF(restrictionLevels); levelIndex++) {
 567             status = U_ZERO_ERROR;
 568             URestrictionLevel levelSetInSpoofChecker = restrictionLevels[levelIndex];
 569             USpoofChecker *sc = uspoof_open(&status);
 570             uspoof_setAllowedChars(sc, allowedChars.toUSet(), &status);
 571             uspoof_setRestrictionLevel(sc, levelSetInSpoofChecker);
 572             uspoof_setChecks(sc, USPOOF_RESTRICTION_LEVEL, &status);
 573             int32_t actualValue = uspoof_checkUnicodeString(sc, testString, NULL, &status);
 574
 575             // we want to fail if the text is (say) MODERATE and the testLevel is ASCII
 576             int32_t expectedValue = 0;
 577             if (expectedLevel > levelSetInSpoofChecker) {
 578                 expectedValue |= USPOOF_RESTRICTION_LEVEL;
 579             }
 580             sprintf(msgBuffer, "testNum = %d, levelIndex = %d, expected = %#x, actual = %#x",
 581                     testNum, levelIndex, expectedValue, actualValue);
 582             TEST_ASSERT_MSG(expectedValue == actualValue, msgBuffer);
 583             TEST_ASSERT_SUCCESS(status);
 584
 585             // Run the same check again, with the Spoof Checker configured to return
 586             // the actual restriction level.
 587             uspoof_setAllowedChars(sc, allowedChars.toUSet(), &status);
 588             uspoof_setRestrictionLevel(sc, levelSetInSpoofChecker);
 589             uspoof_setChecks(sc, USPOOF_AUX_INFO | USPOOF_RESTRICTION_LEVEL, &status);
 590             int32_t result = uspoof_checkUnicodeString(sc, testString, NULL, &status);
 591             TEST_ASSERT_SUCCESS(status);
 592             if (U_SUCCESS(status)) {
 593                 TEST_ASSERT_EQ(expectedLevel, result & USPOOF_RESTRICTION_LEVEL_MASK);
 594                 TEST_ASSERT_EQ(expectedValue, result & USPOOF_ALL_CHECKS);
 595             }
 596             uspoof_close(sc);
 597         }
 598     }
 599
 600 }
 601
 602 void IntlTestSpoof::testMixedNumbers() {
 603     struct Test {
 604         const char *fTestString;
 605         const char *fExpectedSet;
 606     } tests[] = {
 607         {"1",              "[0]"},
 608         {"\\u0967",        "[\\u0966]"},
 609         {"1\\u0967",       "[0\\u0966]"},
 610         {"\\u0661\\u06F1", "[\\u0660\\u06F0]"},
 611         {"\\u0061\\u2665", "[]"},
 612         {"\\u0061\\u303C", "[]"},
 613         {"\\u0061\\u30FC\\u303C", "[]"},
 614         {"\\u0061\\u30FC\\u303C\\u30A2", "[]"},
 615         {"\\u30A2\\u0061\\u30FC\\u303C", "[]"},
 616         {"\\u0061\\u0031\\u0661", "[\\u0030\\u0660]"},
 617         {"\\u0061\\u0031\\u0661\\u06F1", "[\\u0030\\u0660\\u06F0]"},
 618         {"\\u0661\\u30FC\\u303C\\u0061\\u30A2\\u0031\\u0967\\u06F1", "[\\u0030\\u0660\\u06F0\\u0966]"},
 619         {"\\u0061\\u30A2\\u30FC\\u303C\\u0031\\u0967\\u0661\\u06F1", "[\\u0030\\u0660\\u06F0\\u0966]"}
 620     };
 621     UErrorCode status = U_ZERO_ERROR;
 622     for (int32_t testNum=0; testNum < UPRV_LENGTHOF(tests); testNum++) {
 623         char msgBuf[100];
 624         sprintf(msgBuf, "testNum = %d ", testNum);
 625         Test &test = tests[testNum];
 626
 627         status = U_ZERO_ERROR;
 628         UnicodeString testString = UnicodeString(test.fTestString).unescape();
 629         UnicodeSet expectedSet(UnicodeString(test.fExpectedSet).unescape(), status);
 630
 631         status = U_ZERO_ERROR;
 632         TEST_SETUP
 633             uspoof_setChecks(sc, USPOOF_MIXED_NUMBERS, &status); // only check this
 634             uspoof_check2UnicodeString(sc, testString, checkResult, &status);
 635             UBool mixedNumberFailure = ((uspoof_getCheckResultChecks(checkResult, &status) & USPOOF_MIXED_NUMBERS) != 0);
 636             TEST_ASSERT_MSG((expectedSet.size() > 1) == mixedNumberFailure, msgBuf);
 637             const UnicodeSet* actualSet = UnicodeSet::fromUSet(uspoof_getCheckResultNumerics(checkResult, &status));
 638             TEST_ASSERT_MSG(expectedSet == *actualSet, msgBuf);
 639         TEST_TEARDOWN
 640     }
 641 }
 642
 643 // Bug #12153 - uspoof_setRestrictionLevel() should enable restriction level testing.
 644 //
 645 void IntlTestSpoof::testBug12153() {
 646     UErrorCode status = U_ZERO_ERROR;
 647     LocalUSpoofCheckerPointer sc(uspoof_open(&status));
 648     TEST_ASSERT_SUCCESS(status);
 649     int32_t checks = uspoof_getChecks(sc.getAlias(), &status);
 650     TEST_ASSERT((checks & USPOOF_RESTRICTION_LEVEL) != 0);
 651     checks &= ~USPOOF_RESTRICTION_LEVEL;
 652     uspoof_setChecks(sc.getAlias(), checks, &status);
 653     checks = uspoof_getChecks(sc.getAlias(), &status);
 654     TEST_ASSERT((checks & USPOOF_RESTRICTION_LEVEL) == 0);
 655
 656     uspoof_setRestrictionLevel(sc.getAlias(), USPOOF_MODERATELY_RESTRICTIVE);
 657     checks = uspoof_getChecks(sc.getAlias(), &status);
 658     TEST_ASSERT((checks & USPOOF_RESTRICTION_LEVEL) != 0);
 659     TEST_ASSERT_SUCCESS(status);
 660 }
 661
 662 // uspoof_checkUnicodeString should NOT have an infinite loop.
 663 void IntlTestSpoof::testBug12825() {
 664     UErrorCode status = U_ZERO_ERROR;
 665     LocalUSpoofCheckerPointer sc(uspoof_open(&status));
 666     TEST_ASSERT_SUCCESS(status);
 667     uspoof_setChecks(sc.getAlias(), USPOOF_ALL_CHECKS | USPOOF_AUX_INFO, &status);
 668     TEST_ASSERT_SUCCESS(status);
 669     uspoof_checkUnicodeString(sc.getAlias(), UnicodeString("\\u30FB").unescape(), NULL, &status);
 670     TEST_ASSERT_SUCCESS(status);
 671 }
 672
 673 // uspoof_getSkeleton should NOT set an ILLEGAL_ARGUMENT_EXCEPTION.
 674 void IntlTestSpoof::testBug12815() {
 675     UErrorCode status = U_ZERO_ERROR;
 676     LocalUSpoofCheckerPointer sc(uspoof_open(&status));
 677     TEST_ASSERT_SUCCESS(status);
 678     uspoof_setChecks(sc.getAlias(), USPOOF_RESTRICTION_LEVEL, &status);
 679     TEST_ASSERT_SUCCESS(status);
 680     UnicodeString result;
 681     uspoof_getSkeletonUnicodeString(sc.getAlias(), 0, UnicodeString("hello world"), result, &status);
 682     TEST_ASSERT_SUCCESS(status);
 683 }
 684
 685 #endif /* !UCONFIG_NO_REGULAR_EXPRESSIONS && !UCONFIG_NO_NORMALIZATION && !UCONFIG_NO_FILE_IO */