Home | History | Annotate | Download | only in intltest
      1 /********************************************************************
      2  * COPYRIGHT:
      3  * Copyright (c) 1997-2011, International Business Machines Corporation and
      4  * others. All Rights Reserved.
      5  ********************************************************************/
      6 
      7 #include "unicode/utypes.h"
      8 
      9 #if !UCONFIG_NO_NORMALIZATION
     10 
     11 #include "unicode/uchar.h"
     12 #include "unicode/errorcode.h"
     13 #include "unicode/normlzr.h"
     14 #include "unicode/uniset.h"
     15 #include "unicode/usetiter.h"
     16 #include "unicode/schriter.h"
     17 #include "unicode/utf16.h"
     18 #include "cstring.h"
     19 #include "normalizer2impl.h"
     20 #include "tstnorm.h"
     21 
     22 #define LENGTHOF(array) ((int32_t)(sizeof(array)/sizeof((array)[0])))
     23 #define ARRAY_LENGTH(array) LENGTHOF(array)
     24 
     25 #define CASE(id,test) case id:                          \
     26                           name = #test;                 \
     27                           if (exec) {                   \
     28                               logln(#test "---");       \
     29                               logln((UnicodeString)""); \
     30                               test();                   \
     31                           }                             \
     32                           break
     33 
     34 static UErrorCode status = U_ZERO_ERROR;
     35 
     36 void BasicNormalizerTest::runIndexedTest(int32_t index, UBool exec,
     37                                          const char* &name, char* /*par*/) {
     38     switch (index) {
     39         CASE(0,TestDecomp);
     40         CASE(1,TestCompatDecomp);
     41         CASE(2,TestCanonCompose);
     42         CASE(3,TestCompatCompose);
     43         CASE(4,TestPrevious);
     44         CASE(5,TestHangulDecomp);
     45         CASE(6,TestHangulCompose);
     46         CASE(7,TestTibetan);
     47         CASE(8,TestCompositionExclusion);
     48         CASE(9,TestZeroIndex);
     49         CASE(10,TestVerisign);
     50         CASE(11,TestPreviousNext);
     51         CASE(12,TestNormalizerAPI);
     52         CASE(13,TestConcatenate);
     53         CASE(14,FindFoldFCDExceptions);
     54         CASE(15,TestCompare);
     55         CASE(16,TestSkippable);
     56 #if !UCONFIG_NO_FILE_IO && !UCONFIG_NO_LEGACY_CONVERSION
     57         CASE(17,TestCustomComp);
     58         CASE(18,TestCustomFCC);
     59 #endif
     60         CASE(19,TestFilteredNormalizer2Coverage);
     61         default: name = ""; break;
     62     }
     63 }
     64 
     65 /**
     66  * Convert Java-style strings with \u Unicode escapes into UnicodeString objects
     67  */
     68 static UnicodeString str(const char *input)
     69 {
     70     UnicodeString str(input, ""); // Invariant conversion
     71     return str.unescape();
     72 }
     73 
     74 
     75 BasicNormalizerTest::BasicNormalizerTest()
     76 {
     77   // canonTest
     78   // Input                    Decomposed                    Composed
     79 
     80     canonTests[0][0] = str("cat");  canonTests[0][1] = str("cat"); canonTests[0][2] =  str("cat");
     81 
     82     canonTests[1][0] = str("\\u00e0ardvark");    canonTests[1][1] = str("a\\u0300ardvark");  canonTests[1][2] = str("\\u00e0ardvark");
     83 
     84     canonTests[2][0] = str("\\u1e0a"); canonTests[2][1] = str("D\\u0307"); canonTests[2][2] = str("\\u1e0a");                 // D-dot_above
     85 
     86     canonTests[3][0] = str("D\\u0307");  canonTests[3][1] = str("D\\u0307"); canonTests[3][2] = str("\\u1e0a");            // D dot_above
     87 
     88     canonTests[4][0] = str("\\u1e0c\\u0307"); canonTests[4][1] = str("D\\u0323\\u0307");  canonTests[4][2] = str("\\u1e0c\\u0307");         // D-dot_below dot_above
     89 
     90     canonTests[5][0] = str("\\u1e0a\\u0323"); canonTests[5][1] = str("D\\u0323\\u0307");  canonTests[5][2] = str("\\u1e0c\\u0307");        // D-dot_above dot_below
     91 
     92     canonTests[6][0] = str("D\\u0307\\u0323"); canonTests[6][1] = str("D\\u0323\\u0307");  canonTests[6][2] = str("\\u1e0c\\u0307");         // D dot_below dot_above
     93 
     94     canonTests[7][0] = str("\\u1e10\\u0307\\u0323");  canonTests[7][1] = str("D\\u0327\\u0323\\u0307"); canonTests[7][2] = str("\\u1e10\\u0323\\u0307");     // D dot_below cedilla dot_above
     95 
     96     canonTests[8][0] = str("D\\u0307\\u0328\\u0323"); canonTests[8][1] = str("D\\u0328\\u0323\\u0307"); canonTests[8][2] = str("\\u1e0c\\u0328\\u0307");     // D dot_above ogonek dot_below
     97 
     98     canonTests[9][0] = str("\\u1E14"); canonTests[9][1] = str("E\\u0304\\u0300"); canonTests[9][2] = str("\\u1E14");         // E-macron-grave
     99 
    100     canonTests[10][0] = str("\\u0112\\u0300"); canonTests[10][1] = str("E\\u0304\\u0300");  canonTests[10][2] = str("\\u1E14");            // E-macron + grave
    101 
    102     canonTests[11][0] = str("\\u00c8\\u0304"); canonTests[11][1] = str("E\\u0300\\u0304");  canonTests[11][2] = str("\\u00c8\\u0304");         // E-grave + macron
    103 
    104     canonTests[12][0] = str("\\u212b"); canonTests[12][1] = str("A\\u030a"); canonTests[12][2] = str("\\u00c5");             // angstrom_sign
    105 
    106     canonTests[13][0] = str("\\u00c5");      canonTests[13][1] = str("A\\u030a");  canonTests[13][2] = str("\\u00c5");            // A-ring
    107 
    108     canonTests[14][0] = str("\\u00C4ffin");  canonTests[14][1] = str("A\\u0308ffin");  canonTests[14][2] = str("\\u00C4ffin");
    109 
    110     canonTests[15][0] = str("\\u00C4\\uFB03n"); canonTests[15][1] = str("A\\u0308\\uFB03n"); canonTests[15][2] = str("\\u00C4\\uFB03n");
    111 
    112     canonTests[16][0] = str("Henry IV"); canonTests[16][1] = str("Henry IV"); canonTests[16][2] = str("Henry IV");
    113 
    114     canonTests[17][0] = str("Henry \\u2163");  canonTests[17][1] = str("Henry \\u2163");  canonTests[17][2] = str("Henry \\u2163");
    115 
    116     canonTests[18][0] = str("\\u30AC");  canonTests[18][1] = str("\\u30AB\\u3099");  canonTests[18][2] = str("\\u30AC");              // ga (Katakana)
    117 
    118     canonTests[19][0] = str("\\u30AB\\u3099"); canonTests[19][1] = str("\\u30AB\\u3099");  canonTests[19][2] = str("\\u30AC");            // ka + ten
    119 
    120     canonTests[20][0] = str("\\uFF76\\uFF9E"); canonTests[20][1] = str("\\uFF76\\uFF9E");  canonTests[20][2] = str("\\uFF76\\uFF9E");       // hw_ka + hw_ten
    121 
    122     canonTests[21][0] = str("\\u30AB\\uFF9E"); canonTests[21][1] = str("\\u30AB\\uFF9E");  canonTests[21][2] = str("\\u30AB\\uFF9E");         // ka + hw_ten
    123 
    124     canonTests[22][0] = str("\\uFF76\\u3099"); canonTests[22][1] = str("\\uFF76\\u3099");  canonTests[22][2] = str("\\uFF76\\u3099");         // hw_ka + ten
    125 
    126     canonTests[23][0] = str("A\\u0300\\u0316"); canonTests[23][1] = str("A\\u0316\\u0300");  canonTests[23][2] = str("\\u00C0\\u0316");
    127 
    128     /* compatTest */
    129   // Input                        Decomposed                        Composed
    130   compatTests[0][0] = str("cat"); compatTests[0][1] = str("cat"); compatTests[0][2] = str("cat") ;
    131 
    132   compatTests[1][0] = str("\\uFB4f");  compatTests[1][1] = str("\\u05D0\\u05DC"); compatTests[1][2] = str("\\u05D0\\u05DC");  // Alef-Lamed vs. Alef, Lamed
    133 
    134   compatTests[2][0] = str("\\u00C4ffin"); compatTests[2][1] = str("A\\u0308ffin"); compatTests[2][2] = str("\\u00C4ffin") ;
    135 
    136   compatTests[3][0] = str("\\u00C4\\uFB03n"); compatTests[3][1] = str("A\\u0308ffin"); compatTests[3][2] = str("\\u00C4ffin") ; // ffi ligature -> f + f + i
    137 
    138   compatTests[4][0] = str("Henry IV"); compatTests[4][1] = str("Henry IV"); compatTests[4][2] = str("Henry IV") ;
    139 
    140   compatTests[5][0] = str("Henry \\u2163"); compatTests[5][1] = str("Henry IV");  compatTests[5][2] = str("Henry IV") ;
    141 
    142   compatTests[6][0] = str("\\u30AC"); compatTests[6][1] = str("\\u30AB\\u3099"); compatTests[6][2] = str("\\u30AC") ; // ga (Katakana)
    143 
    144   compatTests[7][0] = str("\\u30AB\\u3099"); compatTests[7][1] = str("\\u30AB\\u3099"); compatTests[7][2] = str("\\u30AC") ; // ka + ten
    145 
    146   compatTests[8][0] = str("\\uFF76\\u3099"); compatTests[8][1] = str("\\u30AB\\u3099"); compatTests[8][2] = str("\\u30AC") ; // hw_ka + ten
    147 
    148   /* These two are broken in Unicode 2.1.2 but fixed in 2.1.5 and later */
    149   compatTests[9][0] = str("\\uFF76\\uFF9E"); compatTests[9][1] = str("\\u30AB\\u3099"); compatTests[9][2] = str("\\u30AC") ; // hw_ka + hw_ten
    150 
    151   compatTests[10][0] = str("\\u30AB\\uFF9E"); compatTests[10][1] = str("\\u30AB\\u3099"); compatTests[10][2] = str("\\u30AC") ; // ka + hw_ten
    152 
    153   /* Hangul Canonical */
    154   // Input                        Decomposed                        Composed
    155   hangulCanon[0][0] = str("\\ud4db"); hangulCanon[0][1] = str("\\u1111\\u1171\\u11b6"); hangulCanon[0][2] = str("\\ud4db") ;
    156 
    157   hangulCanon[1][0] = str("\\u1111\\u1171\\u11b6"), hangulCanon[1][1] = str("\\u1111\\u1171\\u11b6"),   hangulCanon[1][2] = str("\\ud4db");
    158 }
    159 
    160 BasicNormalizerTest::~BasicNormalizerTest()
    161 {
    162 }
    163 
    164 void BasicNormalizerTest::TestPrevious()
    165 {
    166   Normalizer* norm = new Normalizer("", UNORM_NFD);
    167 
    168   logln("testing decomp...");
    169   uint32_t i;
    170   for (i = 0; i < ARRAY_LENGTH(canonTests); i++) {
    171     backAndForth(norm, canonTests[i][0]);
    172   }
    173 
    174   logln("testing compose...");
    175   norm->setMode(UNORM_NFC);
    176   for (i = 0; i < ARRAY_LENGTH(canonTests); i++) {
    177     backAndForth(norm, canonTests[i][0]);
    178   }
    179 
    180   delete norm;
    181 }
    182 
    183 void BasicNormalizerTest::TestDecomp()
    184 {
    185   Normalizer* norm = new Normalizer("", UNORM_NFD);
    186   iterateTest(norm, canonTests, ARRAY_LENGTH(canonTests), 1);
    187   staticTest(UNORM_NFD, 0, canonTests, ARRAY_LENGTH(canonTests), 1);
    188   delete norm;
    189 }
    190 
    191 void BasicNormalizerTest::TestCompatDecomp()
    192 {
    193   Normalizer* norm = new Normalizer("", UNORM_NFKD);
    194   iterateTest(norm, compatTests, ARRAY_LENGTH(compatTests), 1);
    195 
    196   staticTest(UNORM_NFKD, 0,
    197          compatTests, ARRAY_LENGTH(compatTests), 1);
    198   delete norm;
    199 }
    200 
    201 void BasicNormalizerTest::TestCanonCompose()
    202 {
    203   Normalizer* norm = new Normalizer("", UNORM_NFC);
    204   iterateTest(norm, canonTests, ARRAY_LENGTH(canonTests), 2);
    205 
    206   staticTest(UNORM_NFC, 0, canonTests,
    207          ARRAY_LENGTH(canonTests), 2);
    208   delete norm;
    209 }
    210 
    211 void BasicNormalizerTest::TestCompatCompose()
    212 {
    213   Normalizer* norm = new Normalizer("", UNORM_NFKC);
    214   iterateTest(norm, compatTests, ARRAY_LENGTH(compatTests), 2);
    215 
    216   staticTest(UNORM_NFKC, 0,
    217          compatTests, ARRAY_LENGTH(compatTests), 2);
    218   delete norm;
    219 }
    220 
    221 
    222 //-------------------------------------------------------------------------------
    223 
    224 void BasicNormalizerTest::TestHangulCompose()
    225 {
    226   // Make sure that the static composition methods work
    227   logln("Canonical composition...");
    228   staticTest(UNORM_NFC, 0,                    hangulCanon,  ARRAY_LENGTH(hangulCanon),  2);
    229   logln("Compatibility composition...");
    230 
    231   // Now try iterative composition....
    232   logln("Static composition...");
    233   Normalizer* norm = new Normalizer("", UNORM_NFC);
    234   iterateTest(norm, hangulCanon, ARRAY_LENGTH(hangulCanon), 2);
    235   norm->setMode(UNORM_NFKC);
    236 
    237   // And finally, make sure you can do it in reverse too
    238   logln("Reverse iteration...");
    239   norm->setMode(UNORM_NFC);
    240   for (uint32_t i = 0; i < ARRAY_LENGTH(hangulCanon); i++) {
    241     backAndForth(norm, hangulCanon[i][0]);
    242   }
    243   delete norm;
    244 }
    245 
    246 void BasicNormalizerTest::TestHangulDecomp()
    247 {
    248   // Make sure that the static decomposition methods work
    249   logln("Canonical decomposition...");
    250   staticTest(UNORM_NFD, 0,                     hangulCanon,  ARRAY_LENGTH(hangulCanon),  1);
    251   logln("Compatibility decomposition...");
    252 
    253   // Now the iterative decomposition methods...
    254   logln("Iterative decomposition...");
    255   Normalizer* norm = new Normalizer("", UNORM_NFD);
    256   iterateTest(norm, hangulCanon, ARRAY_LENGTH(hangulCanon), 1);
    257   norm->setMode(UNORM_NFKD);
    258 
    259   // And finally, make sure you can do it in reverse too
    260   logln("Reverse iteration...");
    261   norm->setMode(UNORM_NFD);
    262   for (uint32_t i = 0; i < ARRAY_LENGTH(hangulCanon); i++) {
    263     backAndForth(norm, hangulCanon[i][0]);
    264   }
    265   delete norm;
    266 }
    267 
    268 /**
    269  * The Tibetan vowel sign AA, 0f71, was messed up prior to Unicode version 2.1.9.
    270  */
    271 void BasicNormalizerTest::TestTibetan(void) {
    272     UnicodeString decomp[1][3];
    273     decomp[0][0] = str("\\u0f77");
    274     decomp[0][1] = str("\\u0f77");
    275     decomp[0][2] = str("\\u0fb2\\u0f71\\u0f80");
    276 
    277     UnicodeString compose[1][3];
    278     compose[0][0] = str("\\u0fb2\\u0f71\\u0f80");
    279     compose[0][1] = str("\\u0fb2\\u0f71\\u0f80");
    280     compose[0][2] = str("\\u0fb2\\u0f71\\u0f80");
    281 
    282     staticTest(UNORM_NFD,         0, decomp, ARRAY_LENGTH(decomp), 1);
    283     staticTest(UNORM_NFKD,  0, decomp, ARRAY_LENGTH(decomp), 2);
    284     staticTest(UNORM_NFC,        0, compose, ARRAY_LENGTH(compose), 1);
    285     staticTest(UNORM_NFKC, 0, compose, ARRAY_LENGTH(compose), 2);
    286 }
    287 
    288 /**
    289  * Make sure characters in the CompositionExclusion.txt list do not get
    290  * composed to.
    291  */
    292 void BasicNormalizerTest::TestCompositionExclusion(void) {
    293     // This list is generated from CompositionExclusion.txt.
    294     // Update whenever the normalizer tables are updated.  Note
    295     // that we test all characters listed, even those that can be
    296     // derived from the Unicode DB and are therefore commented
    297     // out.
    298     // ### TODO read composition exclusion from source/data/unidata file
    299     // and test against that
    300     UnicodeString EXCLUDED = str(
    301         "\\u0340\\u0341\\u0343\\u0344\\u0374\\u037E\\u0387\\u0958"
    302         "\\u0959\\u095A\\u095B\\u095C\\u095D\\u095E\\u095F\\u09DC"
    303         "\\u09DD\\u09DF\\u0A33\\u0A36\\u0A59\\u0A5A\\u0A5B\\u0A5E"
    304         "\\u0B5C\\u0B5D\\u0F43\\u0F4D\\u0F52\\u0F57\\u0F5C\\u0F69"
    305         "\\u0F73\\u0F75\\u0F76\\u0F78\\u0F81\\u0F93\\u0F9D\\u0FA2"
    306         "\\u0FA7\\u0FAC\\u0FB9\\u1F71\\u1F73\\u1F75\\u1F77\\u1F79"
    307         "\\u1F7B\\u1F7D\\u1FBB\\u1FBE\\u1FC9\\u1FCB\\u1FD3\\u1FDB"
    308         "\\u1FE3\\u1FEB\\u1FEE\\u1FEF\\u1FF9\\u1FFB\\u1FFD\\u2000"
    309         "\\u2001\\u2126\\u212A\\u212B\\u2329\\u232A\\uF900\\uFA10"
    310         "\\uFA12\\uFA15\\uFA20\\uFA22\\uFA25\\uFA26\\uFA2A\\uFB1F"
    311         "\\uFB2A\\uFB2B\\uFB2C\\uFB2D\\uFB2E\\uFB2F\\uFB30\\uFB31"
    312         "\\uFB32\\uFB33\\uFB34\\uFB35\\uFB36\\uFB38\\uFB39\\uFB3A"
    313         "\\uFB3B\\uFB3C\\uFB3E\\uFB40\\uFB41\\uFB43\\uFB44\\uFB46"
    314         "\\uFB47\\uFB48\\uFB49\\uFB4A\\uFB4B\\uFB4C\\uFB4D\\uFB4E"
    315         );
    316     for (int32_t i=0; i<EXCLUDED.length(); ++i) {
    317         UnicodeString a(EXCLUDED.charAt(i));
    318         UnicodeString b;
    319         UnicodeString c;
    320         Normalizer::normalize(a, UNORM_NFKD, 0, b, status);
    321         Normalizer::normalize(b, UNORM_NFC, 0, c, status);
    322         if (c == a) {
    323             errln("FAIL: " + hex(a) + " x DECOMP_COMPAT => " +
    324                   hex(b) + " x COMPOSE => " +
    325                   hex(c));
    326         } else if (verbose) {
    327             logln("Ok: " + hex(a) + " x DECOMP_COMPAT => " +
    328                   hex(b) + " x COMPOSE => " +
    329                   hex(c));
    330         }
    331     }
    332 }
    333 
    334 /**
    335  * Test for a problem that showed up just before ICU 1.6 release
    336  * having to do with combining characters with an index of zero.
    337  * Such characters do not participate in any canonical
    338  * decompositions.  However, having an index of zero means that
    339  * they all share one typeMask[] entry, that is, they all have to
    340  * map to the same canonical class, which is not the case, in
    341  * reality.
    342  */
    343 void BasicNormalizerTest::TestZeroIndex(void) {
    344     const char* DATA[] = {
    345         // Expect col1 x COMPOSE_COMPAT => col2
    346         // Expect col2 x DECOMP => col3
    347         "A\\u0316\\u0300", "\\u00C0\\u0316", "A\\u0316\\u0300",
    348         "A\\u0300\\u0316", "\\u00C0\\u0316", "A\\u0316\\u0300",
    349         "A\\u0327\\u0300", "\\u00C0\\u0327", "A\\u0327\\u0300",
    350         "c\\u0321\\u0327", "c\\u0321\\u0327", "c\\u0321\\u0327",
    351         "c\\u0327\\u0321", "\\u00E7\\u0321", "c\\u0327\\u0321",
    352     };
    353     int32_t DATA_length = (int32_t)(sizeof(DATA) / sizeof(DATA[0]));
    354 
    355     for (int32_t i=0; i<DATA_length; i+=3) {
    356         UErrorCode status = U_ZERO_ERROR;
    357         UnicodeString a(DATA[i], "");
    358         a = a.unescape();
    359         UnicodeString b;
    360         Normalizer::normalize(a, UNORM_NFKC, 0, b, status);
    361         if (U_FAILURE(status)) {
    362             dataerrln("Error calling normalize UNORM_NFKC: %s", u_errorName(status));
    363         } else {
    364             UnicodeString exp(DATA[i+1], "");
    365             exp = exp.unescape();
    366             if (b == exp) {
    367                 logln((UnicodeString)"Ok: " + hex(a) + " x COMPOSE_COMPAT => " + hex(b));
    368             } else {
    369                 errln((UnicodeString)"FAIL: " + hex(a) + " x COMPOSE_COMPAT => " + hex(b) +
    370                       ", expect " + hex(exp));
    371             }
    372         }
    373         Normalizer::normalize(b, UNORM_NFD, 0, a, status);
    374         if (U_FAILURE(status)) {
    375             dataerrln("Error calling normalize UNORM_NFD: %s", u_errorName(status));
    376         } else {
    377             UnicodeString exp = UnicodeString(DATA[i+2], "").unescape();
    378             if (a == exp) {
    379                 logln((UnicodeString)"Ok: " + hex(b) + " x DECOMP => " + hex(a));
    380             } else {
    381                 errln((UnicodeString)"FAIL: " + hex(b) + " x DECOMP => " + hex(a) +
    382                       ", expect " + hex(exp));
    383             }
    384         }
    385     }
    386 }
    387 
    388 /**
    389  * Run a few specific cases that are failing for Verisign.
    390  */
    391 void BasicNormalizerTest::TestVerisign(void) {
    392     /*
    393       > Their input:
    394       > 05B8 05B9 05B1 0591 05C3 05B0 05AC 059F
    395       > Their output (supposedly from ICU):
    396       > 05B8 05B1 05B9 0591 05C3 05B0 05AC 059F
    397       > My output from charlint:
    398       > 05B1 05B8 05B9 0591 05C3 05B0 05AC 059F
    399 
    400       05B8 05B9 05B1 0591 05C3 05B0 05AC 059F => 05B1 05B8 05B9 0591 05C3 05B0
    401       05AC 059F
    402 
    403       U+05B8  18  E HEBREW POINT QAMATS
    404       U+05B9  19  F HEBREW POINT HOLAM
    405       U+05B1  11 HEBREW POINT HATAF SEGOL
    406       U+0591 220 HEBREW ACCENT ETNAHTA
    407       U+05C3   0 HEBREW PUNCTUATION SOF PASUQ
    408       U+05B0  10 HEBREW POINT SHEVA
    409       U+05AC 230 HEBREW ACCENT ILUY
    410       U+059F 230 HEBREW ACCENT QARNEY PARA
    411 
    412       U+05B1  11 HEBREW POINT HATAF SEGOL
    413       U+05B8  18 HEBREW POINT QAMATS
    414       U+05B9  19 HEBREW POINT HOLAM
    415       U+0591 220 HEBREW ACCENT ETNAHTA
    416       U+05C3   0 HEBREW PUNCTUATION SOF PASUQ
    417       U+05B0  10 HEBREW POINT SHEVA
    418       U+05AC 230 HEBREW ACCENT ILUY
    419       U+059F 230 HEBREW ACCENT QARNEY PARA
    420 
    421       Wrong result:
    422       U+05B8  18 HEBREW POINT QAMATS
    423       U+05B1  11 HEBREW POINT HATAF SEGOL
    424       U+05B9  19 HEBREW POINT HOLAM
    425       U+0591 220 HEBREW ACCENT ETNAHTA
    426       U+05C3   0 HEBREW PUNCTUATION SOF PASUQ
    427       U+05B0  10 HEBREW POINT SHEVA
    428       U+05AC 230 HEBREW ACCENT ILUY
    429       U+059F 230 HEBREW ACCENT QARNEY PARA
    430 
    431 
    432       > Their input:
    433       >0592 05B7 05BC 05A5 05B0 05C0 05C4 05AD
    434       >Their output (supposedly from ICU):
    435       >0592 05B0 05B7 05BC 05A5 05C0 05AD 05C4
    436       >My output from charlint:
    437       >05B0 05B7 05BC 05A5 0592 05C0 05AD 05C4
    438 
    439       0592 05B7 05BC 05A5 05B0 05C0 05C4 05AD => 05B0 05B7 05BC 05A5 0592 05C0
    440       05AD 05C4
    441 
    442       U+0592 230 HEBREW ACCENT SEGOL
    443       U+05B7  17 HEBREW POINT PATAH
    444       U+05BC  21 HEBREW POINT DAGESH OR MAPIQ
    445       U+05A5 220 HEBREW ACCENT MERKHA
    446       U+05B0  10 HEBREW POINT SHEVA
    447       U+05C0   0 HEBREW PUNCTUATION PASEQ
    448       U+05C4 230 HEBREW MARK UPPER DOT
    449       U+05AD 222 HEBREW ACCENT DEHI
    450 
    451       U+05B0  10 HEBREW POINT SHEVA
    452       U+05B7  17 HEBREW POINT PATAH
    453       U+05BC  21 HEBREW POINT DAGESH OR MAPIQ
    454       U+05A5 220 HEBREW ACCENT MERKHA
    455       U+0592 230 HEBREW ACCENT SEGOL
    456       U+05C0   0 HEBREW PUNCTUATION PASEQ
    457       U+05AD 222 HEBREW ACCENT DEHI
    458       U+05C4 230 HEBREW MARK UPPER DOT
    459 
    460       Wrong result:
    461       U+0592 230 HEBREW ACCENT SEGOL
    462       U+05B0  10 HEBREW POINT SHEVA
    463       U+05B7  17 HEBREW POINT PATAH
    464       U+05BC  21 HEBREW POINT DAGESH OR MAPIQ
    465       U+05A5 220 HEBREW ACCENT MERKHA
    466       U+05C0   0 HEBREW PUNCTUATION PASEQ
    467       U+05AD 222 HEBREW ACCENT DEHI
    468       U+05C4 230 HEBREW MARK UPPER DOT
    469     */
    470     UnicodeString data[2][3];
    471     data[0][0] = str("\\u05B8\\u05B9\\u05B1\\u0591\\u05C3\\u05B0\\u05AC\\u059F");
    472     data[0][1] = str("\\u05B1\\u05B8\\u05B9\\u0591\\u05C3\\u05B0\\u05AC\\u059F");
    473     data[0][2] = str("");
    474     data[1][0] = str("\\u0592\\u05B7\\u05BC\\u05A5\\u05B0\\u05C0\\u05C4\\u05AD");
    475     data[1][1] = str("\\u05B0\\u05B7\\u05BC\\u05A5\\u0592\\u05C0\\u05AD\\u05C4");
    476     data[1][2] = str("");
    477 
    478     staticTest(UNORM_NFD, 0, data, ARRAY_LENGTH(data), 1);
    479     staticTest(UNORM_NFC, 0, data, ARRAY_LENGTH(data), 1);
    480 }
    481 
    482 //------------------------------------------------------------------------
    483 // Internal utilities
    484 //
    485 
    486 UnicodeString BasicNormalizerTest::hex(UChar ch) {
    487     UnicodeString result;
    488     return appendHex(ch, 4, result);
    489 }
    490 
    491 UnicodeString BasicNormalizerTest::hex(const UnicodeString& s) {
    492     UnicodeString result;
    493     for (int i = 0; i < s.length(); ++i) {
    494         if (i != 0) result += (UChar)0x2c/*,*/;
    495         appendHex(s[i], 4, result);
    496     }
    497     return result;
    498 }
    499 
    500 
    501 inline static void insert(UnicodeString& dest, int pos, UChar32 ch)
    502 {
    503     dest.replace(pos, 0, ch);
    504 }
    505 
    506 void BasicNormalizerTest::backAndForth(Normalizer* iter, const UnicodeString& input)
    507 {
    508     UChar32 ch;
    509     iter->setText(input, status);
    510 
    511     // Run through the iterator forwards and stick it into a StringBuffer
    512     UnicodeString forward;
    513     for (ch = iter->first(); ch != iter->DONE; ch = iter->next()) {
    514         forward += ch;
    515     }
    516 
    517     // Now do it backwards
    518     UnicodeString reverse;
    519     for (ch = iter->last(); ch != iter->DONE; ch = iter->previous()) {
    520         insert(reverse, 0, ch);
    521     }
    522 
    523     if (forward != reverse) {
    524         errln("Forward/reverse mismatch for input " + hex(input)
    525               + ", forward: " + hex(forward) + ", backward: " + hex(reverse));
    526     }
    527 }
    528 
    529 void BasicNormalizerTest::staticTest(UNormalizationMode mode, int options,
    530                      UnicodeString tests[][3], int length,
    531                      int outCol)
    532 {
    533     for (int i = 0; i < length; i++)
    534     {
    535         UnicodeString& input = tests[i][0];
    536         UnicodeString& expect = tests[i][outCol];
    537 
    538         logln("Normalizing '" + input + "' (" + hex(input) + ")" );
    539 
    540         UnicodeString output;
    541         Normalizer::normalize(input, mode, options, output, status);
    542 
    543         if (output != expect) {
    544             dataerrln(UnicodeString("ERROR: case ") + i + " normalized " + hex(input) + "\n"
    545                 + "                expected " + hex(expect) + "\n"
    546                 + "              static got " + hex(output) );
    547         }
    548     }
    549 }
    550 
    551 void BasicNormalizerTest::iterateTest(Normalizer* iter,
    552                                       UnicodeString tests[][3], int length,
    553                                       int outCol)
    554 {
    555     for (int i = 0; i < length; i++)
    556     {
    557         UnicodeString& input = tests[i][0];
    558         UnicodeString& expect = tests[i][outCol];
    559 
    560         logln("Normalizing '" + input + "' (" + hex(input) + ")" );
    561 
    562         iter->setText(input, status);
    563         assertEqual(input, expect, iter, UnicodeString("ERROR: case ") + i + " ");
    564     }
    565 }
    566 
    567 void BasicNormalizerTest::assertEqual(const UnicodeString&    input,
    568                       const UnicodeString&    expected,
    569                       Normalizer*        iter,
    570                       const UnicodeString&    errPrefix)
    571 {
    572     UnicodeString result;
    573 
    574     for (UChar32 ch = iter->first(); ch != iter->DONE; ch = iter->next()) {
    575         result += ch;
    576     }
    577     if (result != expected) {
    578         dataerrln(errPrefix + "normalized " + hex(input) + "\n"
    579             + "                expected " + hex(expected) + "\n"
    580             + "             iterate got " + hex(result) );
    581     }
    582 }
    583 
    584 // helper class for TestPreviousNext()
    585 // simple UTF-32 character iterator
    586 class UChar32Iterator {
    587 public:
    588     UChar32Iterator(const UChar32 *text, int32_t len, int32_t index) :
    589         s(text), length(len), i(index) {}
    590 
    591     UChar32 current() {
    592         if(i<length) {
    593             return s[i];
    594         } else {
    595             return 0xffff;
    596         }
    597     }
    598 
    599     UChar32 next() {
    600         if(i<length) {
    601             return s[i++];
    602         } else {
    603             return 0xffff;
    604         }
    605     }
    606 
    607     UChar32 previous() {
    608         if(i>0) {
    609             return s[--i];
    610         } else {
    611             return 0xffff;
    612         }
    613     }
    614 
    615     int32_t getIndex() {
    616         return i;
    617     }
    618 private:
    619     const UChar32 *s;
    620     int32_t length, i;
    621 };
    622 
    623 void
    624 BasicNormalizerTest::TestPreviousNext(const UChar *src, int32_t srcLength,
    625                                       const UChar32 *expect, int32_t expectLength,
    626                                       const int32_t *expectIndex, // its length=expectLength+1
    627                                       int32_t srcMiddle, int32_t expectMiddle,
    628                                       const char *moves,
    629                                       UNormalizationMode mode,
    630                                       const char *name) {
    631     // iterators
    632     Normalizer iter(src, srcLength, mode);
    633 
    634     // test getStaticClassID and getDynamicClassID
    635     if(iter.getDynamicClassID() != Normalizer::getStaticClassID()) {
    636         errln("getStaticClassID != getDynamicClassID for Normalizer.");
    637     }
    638 
    639     UChar32Iterator iter32(expect, expectLength, expectMiddle);
    640 
    641     UChar32 c1, c2;
    642     char m;
    643 
    644     // initially set the indexes into the middle of the strings
    645     iter.setIndexOnly(srcMiddle);
    646 
    647     // move around and compare the iteration code points with
    648     // the expected ones
    649     const char *move=moves;
    650     while((m=*move++)!=0) {
    651         if(m=='-') {
    652             c1=iter.previous();
    653             c2=iter32.previous();
    654         } else if(m=='0') {
    655             c1=iter.current();
    656             c2=iter32.current();
    657         } else /* m=='+' */ {
    658             c1=iter.next();
    659             c2=iter32.next();
    660         }
    661 
    662         // compare results
    663         if(c1!=c2) {
    664             // copy the moves until the current (m) move, and terminate
    665             char history[64];
    666             uprv_strcpy(history, moves);
    667             history[move-moves]=0;
    668             dataerrln("error: mismatch in Normalizer iteration (%s) at %s: "
    669                   "got c1=U+%04lx != expected c2=U+%04lx",
    670                   name, history, c1, c2);
    671             break;
    672         }
    673 
    674         // compare indexes
    675         if(iter.getIndex()!=expectIndex[iter32.getIndex()]) {
    676             // copy the moves until the current (m) move, and terminate
    677             char history[64];
    678             uprv_strcpy(history, moves);
    679             history[move-moves]=0;
    680             errln("error: index mismatch in Normalizer iteration (%s) at %s: "
    681                   "Normalizer index %ld expected %ld\n",
    682                   name, history, iter.getIndex(), expectIndex[iter32.getIndex()]);
    683             break;
    684         }
    685     }
    686 }
    687 
    688 void
    689 BasicNormalizerTest::TestPreviousNext() {
    690     // src and expect strings
    691     static const UChar src[]={
    692         U16_LEAD(0x2f999), U16_TRAIL(0x2f999),
    693         U16_LEAD(0x1d15f), U16_TRAIL(0x1d15f),
    694         0xc4,
    695         0x1ed0
    696     };
    697     static const UChar32 expect[]={
    698         0x831d,
    699         0x1d158, 0x1d165,
    700         0x41, 0x308,
    701         0x4f, 0x302, 0x301
    702     };
    703 
    704     // expected src indexes corresponding to expect indexes
    705     static const int32_t expectIndex[]={
    706         0,
    707         2, 2,
    708         4, 4,
    709         5, 5, 5,
    710         6 // behind last character
    711     };
    712 
    713     // src and expect strings for regression test for j2911
    714     static const UChar src_j2911[]={
    715         U16_LEAD(0x2f999), U16_TRAIL(0x2f999),
    716         0xdd00, 0xd900, // unpaired surrogates - regression test for j2911
    717         0xc4,
    718         0x4f, 0x302, 0x301
    719     };
    720     static const UChar32 expect_j2911[]={
    721         0x831d,
    722         0xdd00, 0xd900, // unpaired surrogates - regression test for j2911
    723         0xc4,
    724         0x1ed0
    725     };
    726 
    727     // expected src indexes corresponding to expect indexes
    728     static const int32_t expectIndex_j2911[]={
    729         0,
    730         2, 3,
    731         4,
    732         5,
    733         8 // behind last character
    734     };
    735 
    736     // initial indexes into the src and expect strings
    737     // for both sets of test data
    738     enum {
    739         SRC_MIDDLE=4,
    740         EXPECT_MIDDLE=3,
    741         SRC_MIDDLE_2=2,
    742         EXPECT_MIDDLE_2=1
    743     };
    744 
    745     // movement vector
    746     // - for previous(), 0 for current(), + for next()
    747     // for both sets of test data
    748     static const char *const moves="0+0+0--0-0-+++0--+++++++0--------";
    749 
    750     TestPreviousNext(src, LENGTHOF(src),
    751                      expect, LENGTHOF(expect),
    752                      expectIndex,
    753                      SRC_MIDDLE, EXPECT_MIDDLE,
    754                      moves, UNORM_NFD, "basic");
    755 
    756     TestPreviousNext(src_j2911, LENGTHOF(src_j2911),
    757                      expect_j2911, LENGTHOF(expect_j2911),
    758                      expectIndex_j2911,
    759                      SRC_MIDDLE, EXPECT_MIDDLE,
    760                      moves, UNORM_NFKC, "j2911");
    761 
    762     // try again from different "middle" indexes
    763     TestPreviousNext(src, LENGTHOF(src),
    764                      expect, LENGTHOF(expect),
    765                      expectIndex,
    766                      SRC_MIDDLE_2, EXPECT_MIDDLE_2,
    767                      moves, UNORM_NFD, "basic_2");
    768 
    769     TestPreviousNext(src_j2911, LENGTHOF(src_j2911),
    770                      expect_j2911, LENGTHOF(expect_j2911),
    771                      expectIndex_j2911,
    772                      SRC_MIDDLE_2, EXPECT_MIDDLE_2,
    773                      moves, UNORM_NFKC, "j2911_2");
    774 }
    775 
    776 void BasicNormalizerTest::TestConcatenate() {
    777     static const char *const
    778     cases[][4]={
    779         /* mode, left, right, result */
    780         {
    781             "C",
    782             "re",
    783             "\\u0301sum\\u00e9",
    784             "r\\u00e9sum\\u00e9"
    785         },
    786         {
    787             "C",
    788             "a\\u1100",
    789             "\\u1161bcdefghijk",
    790             "a\\uac00bcdefghijk"
    791         },
    792         /* ### TODO: add more interesting cases */
    793         {
    794             "D",
    795             "\\u03B1\\u0345",
    796             "\\u0C4D\\U000110BA\\U0001D169",
    797             "\\u03B1\\U0001D169\\U000110BA\\u0C4D\\u0345"
    798         }
    799     };
    800 
    801     UnicodeString left, right, expect, result, r;
    802     UErrorCode errorCode;
    803     UNormalizationMode mode;
    804     int32_t i;
    805 
    806     /* test concatenation */
    807     for(i=0; i<(int32_t)(sizeof(cases)/sizeof(cases[0])); ++i) {
    808         switch(*cases[i][0]) {
    809         case 'C': mode=UNORM_NFC; break;
    810         case 'D': mode=UNORM_NFD; break;
    811         case 'c': mode=UNORM_NFKC; break;
    812         case 'd': mode=UNORM_NFKD; break;
    813         default: mode=UNORM_NONE; break;
    814         }
    815 
    816         left=UnicodeString(cases[i][1], "").unescape();
    817         right=UnicodeString(cases[i][2], "").unescape();
    818         expect=UnicodeString(cases[i][3], "").unescape();
    819 
    820         //result=r=UnicodeString();
    821         errorCode=U_ZERO_ERROR;
    822 
    823         r=Normalizer::concatenate(left, right, result, mode, 0, errorCode);
    824         if(U_FAILURE(errorCode) || /*result!=r ||*/ result!=expect) {
    825             dataerrln("error in Normalizer::concatenate(), cases[] fails with "+
    826                 UnicodeString(u_errorName(errorCode))+", result==expect: expected: "+
    827                 hex(expect)+" =========> got: " + hex(result));
    828         }
    829     }
    830 
    831     /* test error cases */
    832 
    833     /* left.getBuffer()==result.getBuffer() */
    834     result=r=expect=UnicodeString("zz", "");
    835     errorCode=U_UNEXPECTED_TOKEN;
    836     r=Normalizer::concatenate(left, right, result, mode, 0, errorCode);
    837     if(errorCode!=U_UNEXPECTED_TOKEN || result!=r || !result.isBogus()) {
    838         errln("error in Normalizer::concatenate(), violates UErrorCode protocol");
    839     }
    840 
    841     left.setToBogus();
    842     errorCode=U_ZERO_ERROR;
    843     r=Normalizer::concatenate(left, right, result, mode, 0, errorCode);
    844     if(errorCode!=U_ILLEGAL_ARGUMENT_ERROR || result!=r || !result.isBogus()) {
    845         errln("error in Normalizer::concatenate(), does not detect left.isBogus()");
    846     }
    847 }
    848 
    849 // reference implementation of Normalizer::compare
    850 static int32_t
    851 ref_norm_compare(const UnicodeString &s1, const UnicodeString &s2, uint32_t options, UErrorCode &errorCode) {
    852     UnicodeString r1, r2, t1, t2;
    853     int32_t normOptions=(int32_t)(options>>UNORM_COMPARE_NORM_OPTIONS_SHIFT);
    854 
    855     if(options&U_COMPARE_IGNORE_CASE) {
    856         Normalizer::decompose(s1, FALSE, normOptions, r1, errorCode);
    857         Normalizer::decompose(s2, FALSE, normOptions, r2, errorCode);
    858 
    859         r1.foldCase(options);
    860         r2.foldCase(options);
    861     } else {
    862         r1=s1;
    863         r2=s2;
    864     }
    865 
    866     Normalizer::decompose(r1, FALSE, normOptions, t1, errorCode);
    867     Normalizer::decompose(r2, FALSE, normOptions, t2, errorCode);
    868 
    869     if(options&U_COMPARE_CODE_POINT_ORDER) {
    870         return t1.compareCodePointOrder(t2);
    871     } else {
    872         return t1.compare(t2);
    873     }
    874 }
    875 
    876 // test wrapper for Normalizer::compare, sets UNORM_INPUT_IS_FCD appropriately
    877 static int32_t
    878 _norm_compare(const UnicodeString &s1, const UnicodeString &s2, uint32_t options, UErrorCode &errorCode) {
    879     int32_t normOptions=(int32_t)(options>>UNORM_COMPARE_NORM_OPTIONS_SHIFT);
    880 
    881     if( UNORM_YES==Normalizer::quickCheck(s1, UNORM_FCD, normOptions, errorCode) &&
    882         UNORM_YES==Normalizer::quickCheck(s2, UNORM_FCD, normOptions, errorCode)) {
    883         options|=UNORM_INPUT_IS_FCD;
    884     }
    885 
    886     return Normalizer::compare(s1, s2, options, errorCode);
    887 }
    888 
    889 // reference implementation of UnicodeString::caseCompare
    890 static int32_t
    891 ref_case_compare(const UnicodeString &s1, const UnicodeString &s2, uint32_t options) {
    892     UnicodeString t1, t2;
    893 
    894     t1=s1;
    895     t2=s2;
    896 
    897     t1.foldCase(options);
    898     t2.foldCase(options);
    899 
    900     if(options&U_COMPARE_CODE_POINT_ORDER) {
    901         return t1.compareCodePointOrder(t2);
    902     } else {
    903         return t1.compare(t2);
    904     }
    905 }
    906 
    907 // reduce an integer to -1/0/1
    908 static inline int32_t
    909 _sign(int32_t value) {
    910     if(value==0) {
    911         return 0;
    912     } else {
    913         return (value>>31)|1;
    914     }
    915 }
    916 
    917 static const char *
    918 _signString(int32_t value) {
    919     if(value<0) {
    920         return "<0";
    921     } else if(value==0) {
    922         return "=0";
    923     } else /* value>0 */ {
    924         return ">0";
    925     }
    926 }
    927 
    928 void
    929 BasicNormalizerTest::TestCompare() {
    930     // test Normalizer::compare and unorm_compare (thinly wrapped by the former)
    931     // by comparing it with its semantic equivalent
    932     // since we trust the pieces, this is sufficient
    933 
    934     // test each string with itself and each other
    935     // each time with all options
    936     static const char *const
    937     strings[]={
    938         // some cases from NormalizationTest.txt
    939         // 0..3
    940         "D\\u031B\\u0307\\u0323",
    941         "\\u1E0C\\u031B\\u0307",
    942         "D\\u031B\\u0323\\u0307",
    943         "d\\u031B\\u0323\\u0307",
    944 
    945         // 4..6
    946         "\\u00E4",
    947         "a\\u0308",
    948         "A\\u0308",
    949 
    950         // Angstrom sign = A ring
    951         // 7..10
    952         "\\u212B",
    953         "\\u00C5",
    954         "A\\u030A",
    955         "a\\u030A",
    956 
    957         // 11.14
    958         "a\\u059A\\u0316\\u302A\\u032Fb",
    959         "a\\u302A\\u0316\\u032F\\u059Ab",
    960         "a\\u302A\\u0316\\u032F\\u059Ab",
    961         "A\\u059A\\u0316\\u302A\\u032Fb",
    962 
    963         // from ICU case folding tests
    964         // 15..20
    965         "A\\u00df\\u00b5\\ufb03\\U0001040c\\u0131",
    966         "ass\\u03bcffi\\U00010434i",
    967         "\\u0061\\u0042\\u0131\\u03a3\\u00df\\ufb03\\ud93f\\udfff",
    968         "\\u0041\\u0062\\u0069\\u03c3\\u0073\\u0053\\u0046\\u0066\\u0049\\ud93f\\udfff",
    969         "\\u0041\\u0062\\u0131\\u03c3\\u0053\\u0073\\u0066\\u0046\\u0069\\ud93f\\udfff",
    970         "\\u0041\\u0062\\u0069\\u03c3\\u0073\\u0053\\u0046\\u0066\\u0049\\ud93f\\udffd",
    971 
    972         //     U+d800 U+10001   see implementation comment in unorm_cmpEquivFold
    973         // vs. U+10000          at bottom - code point order
    974         // 21..22
    975         "\\ud800\\ud800\\udc01",
    976         "\\ud800\\udc00",
    977 
    978         // other code point order tests from ustrtest.cpp
    979         // 23..31
    980         "\\u20ac\\ud801",
    981         "\\u20ac\\ud800\\udc00",
    982         "\\ud800",
    983         "\\ud800\\uff61",
    984         "\\udfff",
    985         "\\uff61\\udfff",
    986         "\\uff61\\ud800\\udc02",
    987         "\\ud800\\udc02",
    988         "\\ud84d\\udc56",
    989 
    990         // long strings, see cnormtst.c/TestNormCoverage()
    991         // equivalent if case-insensitive
    992         // 32..33
    993         "\\uAD8B\\uAD8B\\uAD8B\\uAD8B"
    994         "\\U0001d15e\\U0001d157\\U0001d165\\U0001d15e\\U0001d15e\\U0001d15e\\U0001d15e"
    995         "\\U0001d15e\\U0001d157\\U0001d165\\U0001d15e\\U0001d15e\\U0001d15e\\U0001d15e"
    996         "\\U0001d15e\\U0001d157\\U0001d165\\U0001d15e\\U0001d15e\\U0001d15e\\U0001d15e"
    997         "\\U0001d157\\U0001d165\\U0001d15e\\U0001d15e\\U0001d15e\\U0001d15e\\U0001d15e"
    998         "\\U0001d157\\U0001d165\\U0001d15e\\U0001d15e\\U0001d15e\\U0001d15e\\U0001d15e"
    999         "aaaaaaaaaaaaaaaaaazzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
   1000         "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
   1001         "ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
   1002         "ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"
   1003         "\\uAD8B\\uAD8B\\uAD8B\\uAD8B"
   1004         "d\\u031B\\u0307\\u0323",
   1005 
   1006         "\\u1100\\u116f\\u11aa\\uAD8B\\uAD8B\\u1100\\u116f\\u11aa"
   1007         "\\U0001d157\\U0001d165\\U0001d15e\\U0001d15e\\U0001d15e\\U0001d15e\\U0001d15e"
   1008         "\\U0001d157\\U0001d165\\U0001d15e\\U0001d15e\\U0001d15e\\U0001d15e\\U0001d15e"
   1009         "\\U0001d157\\U0001d165\\U0001d15e\\U0001d15e\\U0001d15e\\U0001d15e\\U0001d15e"
   1010         "\\U0001d15e\\U0001d157\\U0001d165\\U0001d15e\\U0001d15e\\U0001d15e\\U0001d15e"
   1011         "\\U0001d15e\\U0001d157\\U0001d165\\U0001d15e\\U0001d15e\\U0001d15e\\U0001d15e"
   1012         "aaaaaaaaaaAAAAAAAAZZZZZZZZZZZZZZZZzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
   1013         "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"
   1014         "ccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"
   1015         "ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"
   1016         "\\u1100\\u116f\\u11aa\\uAD8B\\uAD8B\\u1100\\u116f\\u11aa"
   1017         "\\u1E0C\\u031B\\u0307",
   1018 
   1019         // some strings that may make a difference whether the compare function
   1020         // case-folds or decomposes first
   1021         // 34..41
   1022         "\\u0360\\u0345\\u0334",
   1023         "\\u0360\\u03b9\\u0334",
   1024 
   1025         "\\u0360\\u1f80\\u0334",
   1026         "\\u0360\\u03b1\\u0313\\u03b9\\u0334",
   1027 
   1028         "\\u0360\\u1ffc\\u0334",
   1029         "\\u0360\\u03c9\\u03b9\\u0334",
   1030 
   1031         "a\\u0360\\u0345\\u0360\\u0345b",
   1032         "a\\u0345\\u0360\\u0345\\u0360b",
   1033 
   1034         // interesting cases for canonical caseless match with turkic i handling
   1035         // 42..43
   1036         "\\u00cc",
   1037         "\\u0069\\u0300",
   1038 
   1039         // strings with post-Unicode 3.2 normalization or normalization corrections
   1040         // 44..45
   1041         "\\u00e4\\u193b\\U0002f868",
   1042         "\\u0061\\u193b\\u0308\\u36fc",
   1043 
   1044         // empty string
   1045         // 46
   1046         ""
   1047     };
   1048 
   1049     UnicodeString s[100]; // at least as many items as in strings[] !
   1050 
   1051     // all combinations of options
   1052     // UNORM_INPUT_IS_FCD is set automatically if both input strings fulfill FCD conditions
   1053     // set UNORM_UNICODE_3_2 in one additional combination
   1054     static const struct {
   1055         uint32_t options;
   1056         const char *name;
   1057     } opt[]={
   1058         { 0, "default" },
   1059         { U_COMPARE_CODE_POINT_ORDER, "c.p. order" },
   1060         { U_COMPARE_IGNORE_CASE, "ignore case" },
   1061         { U_COMPARE_CODE_POINT_ORDER|U_COMPARE_IGNORE_CASE, "c.p. order & ignore case" },
   1062         { U_COMPARE_IGNORE_CASE|U_FOLD_CASE_EXCLUDE_SPECIAL_I, "ignore case & special i" },
   1063         { U_COMPARE_CODE_POINT_ORDER|U_COMPARE_IGNORE_CASE|U_FOLD_CASE_EXCLUDE_SPECIAL_I, "c.p. order & ignore case & special i" },
   1064         { UNORM_UNICODE_3_2<<UNORM_COMPARE_NORM_OPTIONS_SHIFT, "Unicode 3.2" }
   1065     };
   1066 
   1067     int32_t i, j, k, count=LENGTHOF(strings);
   1068     int32_t result, refResult;
   1069 
   1070     UErrorCode errorCode;
   1071 
   1072     // create the UnicodeStrings
   1073     for(i=0; i<count; ++i) {
   1074         s[i]=UnicodeString(strings[i], "").unescape();
   1075     }
   1076 
   1077     // test them each with each other
   1078     for(i=0; i<count; ++i) {
   1079         for(j=i; j<count; ++j) {
   1080             for(k=0; k<LENGTHOF(opt); ++k) {
   1081                 // test Normalizer::compare
   1082                 errorCode=U_ZERO_ERROR;
   1083                 result=_norm_compare(s[i], s[j], opt[k].options, errorCode);
   1084                 refResult=ref_norm_compare(s[i], s[j], opt[k].options, errorCode);
   1085                 if(_sign(result)!=_sign(refResult)) {
   1086                     errln("Normalizer::compare(%d, %d, %s)%s should be %s %s",
   1087                         i, j, opt[k].name, _signString(result), _signString(refResult),
   1088                         U_SUCCESS(errorCode) ? "" : u_errorName(errorCode));
   1089                 }
   1090 
   1091                 // test UnicodeString::caseCompare - same internal implementation function
   1092                 if(opt[k].options&U_COMPARE_IGNORE_CASE) {
   1093                     errorCode=U_ZERO_ERROR;
   1094                     result=s[i].caseCompare(s[j], opt[k].options);
   1095                     refResult=ref_case_compare(s[i], s[j], opt[k].options);
   1096                     if(_sign(result)!=_sign(refResult)) {
   1097                         errln("UniStr::caseCompare(%d, %d, %s)%s should be %s %s",
   1098                             i, j, opt[k].name, _signString(result), _signString(refResult),
   1099                             U_SUCCESS(errorCode) ? "" : u_errorName(errorCode));
   1100                     }
   1101                 }
   1102             }
   1103         }
   1104     }
   1105 
   1106     // test cases with i and I to make sure Turkic works
   1107     static const UChar iI[]={ 0x49, 0x69, 0x130, 0x131 };
   1108     UnicodeSet iSet, set;
   1109 
   1110     UnicodeString s1, s2;
   1111 
   1112     const Normalizer2Impl *nfcImpl=Normalizer2Factory::getNFCImpl(errorCode);
   1113     if(U_FAILURE(errorCode) || !nfcImpl->ensureCanonIterData(errorCode)) {
   1114         dataerrln("Normalizer2Factory::getNFCImpl().ensureCanonIterData() failed: %s",
   1115               u_errorName(errorCode));
   1116         return;
   1117     }
   1118 
   1119     // collect all sets into one for contiguous output
   1120     for(i=0; i<LENGTHOF(iI); ++i) {
   1121         if(nfcImpl->getCanonStartSet(iI[i], iSet)) {
   1122             set.addAll(iSet);
   1123         }
   1124     }
   1125 
   1126     // test all of these precomposed characters
   1127     const Normalizer2 *nfcNorm2=Normalizer2Factory::getNFCInstance(errorCode);
   1128     UnicodeSetIterator it(set);
   1129     while(it.next() && !it.isString()) {
   1130         UChar32 c=it.getCodepoint();
   1131         if(!nfcNorm2->getDecomposition(c, s2)) {
   1132             dataerrln("NFC.getDecomposition(i-composite U+%04lx) failed", (long)c);
   1133             return;
   1134         }
   1135 
   1136         s1.setTo(c);
   1137         for(k=0; k<LENGTHOF(opt); ++k) {
   1138             // test Normalizer::compare
   1139             errorCode=U_ZERO_ERROR;
   1140             result=_norm_compare(s1, s2, opt[k].options, errorCode);
   1141             refResult=ref_norm_compare(s1, s2, opt[k].options, errorCode);
   1142             if(_sign(result)!=_sign(refResult)) {
   1143                 errln("Normalizer::compare(U+%04x with its NFD, %s)%s should be %s %s",
   1144                     c, opt[k].name, _signString(result), _signString(refResult),
   1145                     U_SUCCESS(errorCode) ? "" : u_errorName(errorCode));
   1146             }
   1147 
   1148             // test UnicodeString::caseCompare - same internal implementation function
   1149             if(opt[k].options&U_COMPARE_IGNORE_CASE) {
   1150                 errorCode=U_ZERO_ERROR;
   1151                 result=s1.caseCompare(s2, opt[k].options);
   1152                 refResult=ref_case_compare(s1, s2, opt[k].options);
   1153                 if(_sign(result)!=_sign(refResult)) {
   1154                     errln("UniStr::caseCompare(U+%04x with its NFD, %s)%s should be %s %s",
   1155                         c, opt[k].name, _signString(result), _signString(refResult),
   1156                         U_SUCCESS(errorCode) ? "" : u_errorName(errorCode));
   1157                 }
   1158             }
   1159         }
   1160     }
   1161 
   1162     // test getDecomposition() for some characters that do not decompose
   1163     if( nfcNorm2->getDecomposition(0x20, s2) ||
   1164         nfcNorm2->getDecomposition(0x4e00, s2) ||
   1165         nfcNorm2->getDecomposition(0x20002, s2)
   1166     ) {
   1167         errln("NFC.getDecomposition() returns TRUE for characters which do not have decompositions");
   1168     }
   1169 
   1170     // test getRawDecomposition() for some characters that do not decompose
   1171     if( nfcNorm2->getRawDecomposition(0x20, s2) ||
   1172         nfcNorm2->getRawDecomposition(0x4e00, s2) ||
   1173         nfcNorm2->getRawDecomposition(0x20002, s2)
   1174     ) {
   1175         errln("NFC.getRawDecomposition() returns TRUE for characters which do not have decompositions");
   1176     }
   1177 
   1178     // test composePair() for some pairs of characters that do not compose
   1179     if( nfcNorm2->composePair(0x20, 0x301)>=0 ||
   1180         nfcNorm2->composePair(0x61, 0x305)>=0 ||
   1181         nfcNorm2->composePair(0x1100, 0x1160)>=0 ||
   1182         nfcNorm2->composePair(0xac00, 0x11a7)>=0
   1183     ) {
   1184         errln("NFC.composePair() incorrectly composes some pairs of characters");
   1185     }
   1186 
   1187     // test FilteredNormalizer2::getDecomposition()
   1188     UnicodeSet filter(UNICODE_STRING_SIMPLE("[^\\u00a0-\\u00ff]"), errorCode);
   1189     FilteredNormalizer2 fn2(*nfcNorm2, filter);
   1190     if( fn2.getDecomposition(0xe4, s1) || !fn2.getDecomposition(0x100, s2) ||
   1191         s2.length()!=2 || s2[0]!=0x41 || s2[1]!=0x304
   1192     ) {
   1193         errln("FilteredNormalizer2(NFC, ^A0-FF).getDecomposition() failed");
   1194     }
   1195 
   1196     // test FilteredNormalizer2::getRawDecomposition()
   1197     if( fn2.getRawDecomposition(0xe4, s1) || !fn2.getRawDecomposition(0x100, s2) ||
   1198         s2.length()!=2 || s2[0]!=0x41 || s2[1]!=0x304
   1199     ) {
   1200         errln("FilteredNormalizer2(NFC, ^A0-FF).getRawDecomposition() failed");
   1201     }
   1202 
   1203     // test FilteredNormalizer2::composePair()
   1204     if( 0x100!=fn2.composePair(0x41, 0x304) ||
   1205         fn2.composePair(0xc7, 0x301)>=0 // unfiltered result: U+1E08
   1206     ) {
   1207         errln("FilteredNormalizer2(NFC, ^A0-FF).composePair() failed");
   1208     }
   1209 }
   1210 
   1211 // verify that case-folding does not un-FCD strings
   1212 int32_t
   1213 BasicNormalizerTest::countFoldFCDExceptions(uint32_t foldingOptions) {
   1214     UnicodeString s, fold, d;
   1215     UChar32 c;
   1216     int32_t count;
   1217     uint8_t cc, trailCC, foldCC, foldTrailCC;
   1218     UNormalizationCheckResult qcResult;
   1219     int8_t category;
   1220     UBool isNFD;
   1221     UErrorCode errorCode;
   1222 
   1223     logln("Test if case folding may un-FCD a string (folding options %04lx)", foldingOptions);
   1224 
   1225     count=0;
   1226     for(c=0; c<=0x10ffff; ++c) {
   1227         errorCode = U_ZERO_ERROR;
   1228         category=u_charType(c);
   1229         if(category==U_UNASSIGNED) {
   1230             continue; // skip unassigned code points
   1231         }
   1232         if(c==0xac00) {
   1233             c=0xd7a3; // skip Hangul - no case folding there
   1234             continue;
   1235         }
   1236         // skip Han blocks - no case folding there either
   1237         if(c==0x3400) {
   1238             c=0x4db5;
   1239             continue;
   1240         }
   1241         if(c==0x4e00) {
   1242             c=0x9fa5;
   1243             continue;
   1244         }
   1245         if(c==0x20000) {
   1246             c=0x2a6d6;
   1247             continue;
   1248         }
   1249 
   1250         s.setTo(c);
   1251 
   1252         // get leading and trailing cc for c
   1253         Normalizer::decompose(s, FALSE, 0, d, errorCode);
   1254         isNFD= s==d;
   1255         cc=u_getCombiningClass(d.char32At(0));
   1256         trailCC=u_getCombiningClass(d.char32At(d.length()-1));
   1257 
   1258         // get leading and trailing cc for the case-folding of c
   1259         s.foldCase(foldingOptions);
   1260         Normalizer::decompose(s, FALSE, 0, d, errorCode);
   1261         foldCC=u_getCombiningClass(d.char32At(0));
   1262         foldTrailCC=u_getCombiningClass(d.char32At(d.length()-1));
   1263 
   1264         qcResult=Normalizer::quickCheck(s, UNORM_FCD, errorCode);
   1265 
   1266         if (U_FAILURE(errorCode)) {
   1267             ++count;
   1268             dataerrln("U+%04lx: Failed with error %s", u_errorName(errorCode));
   1269         }
   1270 
   1271         // bad:
   1272         // - character maps to empty string: adjacent characters may then need reordering
   1273         // - folding has different leading/trailing cc's, and they don't become just 0
   1274         // - folding itself is not FCD
   1275         if( qcResult!=UNORM_YES ||
   1276             s.isEmpty() ||
   1277             (cc!=foldCC && foldCC!=0) || (trailCC!=foldTrailCC && foldTrailCC!=0)
   1278         ) {
   1279             ++count;
   1280             dataerrln("U+%04lx: case-folding may un-FCD a string (folding options %04lx)", c, foldingOptions);
   1281             dataerrln("  cc %02x trailCC %02x    foldCC(U+%04lx) %02x foldTrailCC(U+%04lx) %02x   quickCheck(folded)=%d", cc, trailCC, d.char32At(0), foldCC, d.char32At(d.length()-1), foldTrailCC, qcResult);
   1282             continue;
   1283         }
   1284 
   1285         // also bad:
   1286         // if a code point is in NFD but its case folding is not, then
   1287         // unorm_compare will also fail
   1288         if(isNFD && UNORM_YES!=Normalizer::quickCheck(s, UNORM_NFD, errorCode)) {
   1289             ++count;
   1290             errln("U+%04lx: case-folding un-NFDs this character (folding options %04lx)", c, foldingOptions);
   1291         }
   1292     }
   1293 
   1294     logln("There are %ld code points for which case-folding may un-FCD a string (folding options %04lx)", count, foldingOptions);
   1295     return count;
   1296 }
   1297 
   1298 void
   1299 BasicNormalizerTest::FindFoldFCDExceptions() {
   1300     int32_t count;
   1301 
   1302     count=countFoldFCDExceptions(0);
   1303     count+=countFoldFCDExceptions(U_FOLD_CASE_EXCLUDE_SPECIAL_I);
   1304     if(count>0) {
   1305         /*
   1306          * If case-folding un-FCDs any strings, then unorm_compare() must be
   1307          * re-implemented.
   1308          * It currently assumes that one can check for FCD then case-fold
   1309          * and then still have FCD strings for raw decomposition without reordering.
   1310          */
   1311         dataerrln("error: There are %ld code points for which case-folding may un-FCD a string for all folding options.\n"
   1312               "See comment in BasicNormalizerTest::FindFoldFCDExceptions()!", count);
   1313     }
   1314 }
   1315 
   1316 static void
   1317 initExpectedSkippables(UnicodeSet skipSets[UNORM_MODE_COUNT], UErrorCode &errorCode) {
   1318     skipSets[UNORM_NFD].applyPattern(
   1319         UNICODE_STRING_SIMPLE("[[:NFD_QC=Yes:]&[:ccc=0:]]"), errorCode);
   1320     skipSets[UNORM_NFC].applyPattern(
   1321         UNICODE_STRING_SIMPLE("[[:NFC_QC=Yes:]&[:ccc=0:]-[:HST=LV:]]"), errorCode);
   1322     skipSets[UNORM_NFKD].applyPattern(
   1323         UNICODE_STRING_SIMPLE("[[:NFKD_QC=Yes:]&[:ccc=0:]]"), errorCode);
   1324     skipSets[UNORM_NFKC].applyPattern(
   1325         UNICODE_STRING_SIMPLE("[[:NFKC_QC=Yes:]&[:ccc=0:]-[:HST=LV:]]"), errorCode);
   1326 
   1327     // Remove from the NFC and NFKC sets all those characters that change
   1328     // when a back-combining character is added.
   1329     // First, get all of the back-combining characters and their combining classes.
   1330     UnicodeSet combineBack("[:NFC_QC=Maybe:]", errorCode);
   1331     int32_t numCombineBack=combineBack.size();
   1332     int32_t *combineBackCharsAndCc=new int32_t[numCombineBack*2];
   1333     UnicodeSetIterator iter(combineBack);
   1334     for(int32_t i=0; i<numCombineBack; ++i) {
   1335         iter.next();
   1336         UChar32 c=iter.getCodepoint();
   1337         combineBackCharsAndCc[2*i]=c;
   1338         combineBackCharsAndCc[2*i+1]=u_getCombiningClass(c);
   1339     }
   1340 
   1341     // We need not look at control codes, Han characters nor Hangul LVT syllables because they
   1342     // do not combine forward. LV syllables are already removed.
   1343     UnicodeSet notInteresting("[[:C:][:Unified_Ideograph:][:HST=LVT:]]", errorCode);
   1344     LocalPointer<UnicodeSet> unsure(&((UnicodeSet *)(skipSets[UNORM_NFC].clone()))->removeAll(notInteresting));
   1345     // System.out.format("unsure.size()=%d\n", unsure.size());
   1346 
   1347     // For each character about which we are unsure, see if it changes when we add
   1348     // one of the back-combining characters.
   1349     const Normalizer2 *norm2=Normalizer2::getNFCInstance(errorCode);
   1350     UnicodeString s;
   1351     iter.reset(*unsure);
   1352     while(iter.next()) {
   1353         UChar32 c=iter.getCodepoint();
   1354         s.setTo(c);
   1355         int32_t cLength=s.length();
   1356         int32_t tccc=u_getIntPropertyValue(c, UCHAR_TRAIL_CANONICAL_COMBINING_CLASS);
   1357         for(int32_t i=0; i<numCombineBack; ++i) {
   1358             // If c's decomposition ends with a character with non-zero combining class, then
   1359             // c can only change if it combines with a character with a non-zero combining class.
   1360             int32_t cc2=combineBackCharsAndCc[2*i+1];
   1361             if(tccc==0 || cc2!=0) {
   1362                 UChar32 c2=combineBackCharsAndCc[2*i];
   1363                 s.append(c2);
   1364                 if(!norm2->isNormalized(s, errorCode)) {
   1365                     // System.out.format("remove U+%04x (tccc=%d) + U+%04x (cc=%d)\n", c, tccc, c2, cc2);
   1366                     skipSets[UNORM_NFC].remove(c);
   1367                     skipSets[UNORM_NFKC].remove(c);
   1368                     break;
   1369                 }
   1370                 s.truncate(cLength);
   1371             }
   1372         }
   1373     }
   1374     delete [] combineBackCharsAndCc;
   1375 }
   1376 
   1377 void
   1378 BasicNormalizerTest::TestSkippable() {
   1379     UnicodeSet diff, skipSets[UNORM_MODE_COUNT], expectSets[UNORM_MODE_COUNT];
   1380     UnicodeString s, pattern;
   1381 
   1382     /* build NF*Skippable sets from runtime data */
   1383     IcuTestErrorCode errorCode(*this, "TestSkippable");
   1384     skipSets[UNORM_NFD].applyPattern(UNICODE_STRING_SIMPLE("[:NFD_Inert:]"), errorCode);
   1385     skipSets[UNORM_NFKD].applyPattern(UNICODE_STRING_SIMPLE("[:NFKD_Inert:]"), errorCode);
   1386     skipSets[UNORM_NFC].applyPattern(UNICODE_STRING_SIMPLE("[:NFC_Inert:]"), errorCode);
   1387     skipSets[UNORM_NFKC].applyPattern(UNICODE_STRING_SIMPLE("[:NFKC_Inert:]"), errorCode);
   1388     if(errorCode.logDataIfFailureAndReset("UnicodeSet(NF..._Inert) failed")) {
   1389         return;
   1390     }
   1391 
   1392     /* get expected sets from hardcoded patterns */
   1393     initExpectedSkippables(expectSets, errorCode);
   1394     errorCode.assertSuccess();
   1395 
   1396     for(int32_t i=UNORM_NONE; i<UNORM_MODE_COUNT; ++i) {
   1397         if(skipSets[i]!=expectSets[i]) {
   1398             errln("error: TestSkippable skipSets[%d]!=expectedSets[%d]\n", i, i);
   1399             // Note: This used to depend on hardcoded UnicodeSet patterns generated by
   1400             // Mark's unicodetools.com.ibm.text.UCD.NFSkippable, by
   1401             // running com.ibm.text.UCD.Main with the option NFSkippable.
   1402             // Since ICU 4.6/Unicode 6, we are generating the
   1403             // expectSets ourselves in initSkippables().
   1404 
   1405             s=UNICODE_STRING_SIMPLE("skip-expect=");
   1406             (diff=skipSets[i]).removeAll(expectSets[i]).toPattern(pattern, TRUE);
   1407             s.append(pattern);
   1408 
   1409             pattern.remove();
   1410             s.append(UNICODE_STRING_SIMPLE("\n\nexpect-skip="));
   1411             (diff=expectSets[i]).removeAll(skipSets[i]).toPattern(pattern, TRUE);
   1412             s.append(pattern);
   1413             s.append(UNICODE_STRING_SIMPLE("\n\n"));
   1414 
   1415             errln(s);
   1416         }
   1417     }
   1418 }
   1419 
   1420 struct StringPair { const char *input, *expected; };
   1421 
   1422 void
   1423 BasicNormalizerTest::TestCustomComp() {
   1424     static const StringPair pairs[]={
   1425         { "\\uD801\\uE000\\uDFFE", "" },
   1426         { "\\uD800\\uD801\\uE000\\uDFFE\\uDFFF", "\\uD7FF\\uFFFF" },
   1427         { "\\uD800\\uD801\\uDFFE\\uDFFF", "\\uD7FF\\U000107FE\\uFFFF" },
   1428         { "\\uE001\\U000110B9\\u0345\\u0308\\u0327", "\\uE002\\U000110B9\\u0327\\u0345" },
   1429         { "\\uE010\\U000F0011\\uE012", "\\uE011\\uE012" },
   1430         { "\\uE010\\U000F0011\\U000F0011\\uE012", "\\uE011\\U000F0010" },
   1431         { "\\uE111\\u1161\\uE112\\u1162", "\\uAE4C\\u1102\\u0062\\u1162" },
   1432         { "\\uFFF3\\uFFF7\\U00010036\\U00010077", "\\U00010037\\U00010037\\uFFF6\\U00010037" }
   1433     };
   1434     IcuTestErrorCode errorCode(*this, "BasicNormalizerTest/TestCustomComp");
   1435     const Normalizer2 *customNorm2=
   1436         Normalizer2::getInstance(loadTestData(errorCode), "testnorm",
   1437                                  UNORM2_COMPOSE, errorCode);
   1438     if(errorCode.logDataIfFailureAndReset("unable to load testdata/testnorm.nrm")) {
   1439         return;
   1440     }
   1441     for(int32_t i=0; i<LENGTHOF(pairs); ++i) {
   1442         const StringPair &pair=pairs[i];
   1443         UnicodeString input=UnicodeString(pair.input, -1, US_INV).unescape();
   1444         UnicodeString expected=UnicodeString(pair.expected, -1, US_INV).unescape();
   1445         UnicodeString result=customNorm2->normalize(input, errorCode);
   1446         if(result!=expected) {
   1447             errln("custom compose Normalizer2 did not normalize input %d as expected", i);
   1448         }
   1449     }
   1450 }
   1451 
   1452 void
   1453 BasicNormalizerTest::TestCustomFCC() {
   1454     static const StringPair pairs[]={
   1455         { "\\uD801\\uE000\\uDFFE", "" },
   1456         { "\\uD800\\uD801\\uE000\\uDFFE\\uDFFF", "\\uD7FF\\uFFFF" },
   1457         { "\\uD800\\uD801\\uDFFE\\uDFFF", "\\uD7FF\\U000107FE\\uFFFF" },
   1458         // The following expected result is different from CustomComp
   1459         // because of only-contiguous composition.
   1460         { "\\uE001\\U000110B9\\u0345\\u0308\\u0327", "\\uE001\\U000110B9\\u0327\\u0308\\u0345" },
   1461         { "\\uE010\\U000F0011\\uE012", "\\uE011\\uE012" },
   1462         { "\\uE010\\U000F0011\\U000F0011\\uE012", "\\uE011\\U000F0010" },
   1463         { "\\uE111\\u1161\\uE112\\u1162", "\\uAE4C\\u1102\\u0062\\u1162" },
   1464         { "\\uFFF3\\uFFF7\\U00010036\\U00010077", "\\U00010037\\U00010037\\uFFF6\\U00010037" }
   1465     };
   1466     IcuTestErrorCode errorCode(*this, "BasicNormalizerTest/TestCustomFCC");
   1467     const Normalizer2 *customNorm2=
   1468         Normalizer2::getInstance(loadTestData(errorCode), "testnorm",
   1469                                  UNORM2_COMPOSE_CONTIGUOUS, errorCode);
   1470     if(errorCode.logDataIfFailureAndReset("unable to load testdata/testnorm.nrm")) {
   1471         return;
   1472     }
   1473     for(int32_t i=0; i<LENGTHOF(pairs); ++i) {
   1474         const StringPair &pair=pairs[i];
   1475         UnicodeString input=UnicodeString(pair.input, -1, US_INV).unescape();
   1476         UnicodeString expected=UnicodeString(pair.expected, -1, US_INV).unescape();
   1477         UnicodeString result=customNorm2->normalize(input, errorCode);
   1478         if(result!=expected) {
   1479             errln("custom FCC Normalizer2 did not normalize input %d as expected", i);
   1480         }
   1481     }
   1482 }
   1483 
   1484 /* Improve code coverage of Normalizer2 */
   1485 void
   1486 BasicNormalizerTest::TestFilteredNormalizer2Coverage() {
   1487     UErrorCode errorCode = U_ZERO_ERROR;
   1488     const Normalizer2 *nfcNorm2=Normalizer2Factory::getNFCInstance(errorCode);
   1489     if (U_FAILURE(errorCode)) {
   1490         dataerrln("Normalizer2Factory::getNFCInstance() call failed - %s", u_errorName(status));
   1491         return;
   1492     }
   1493     UnicodeSet filter(UNICODE_STRING_SIMPLE("[^\\u00a0-\\u00ff\\u0310-\\u031f]"), errorCode);
   1494     FilteredNormalizer2 fn2(*nfcNorm2, filter);
   1495 
   1496     UChar32 char32 = 0x0054;
   1497 
   1498     if (fn2.isInert(char32)) {
   1499         errln("FilteredNormalizer2.isInert() failed.");
   1500     }
   1501 
   1502     if (fn2.hasBoundaryAfter(char32)) {
   1503         errln("FilteredNormalizer2.hasBoundaryAfter() failed.");
   1504     }
   1505 
   1506     UChar32 c;
   1507     for(c=0; c<=0x3ff; ++c) {
   1508         uint8_t expectedCC= filter.contains(c) ? nfcNorm2->getCombiningClass(c) : 0;
   1509         uint8_t cc=fn2.getCombiningClass(c);
   1510         if(cc!=expectedCC) {
   1511             errln(
   1512                 UnicodeString("FilteredNormalizer2(NFC, ^A0-FF,310-31F).getCombiningClass(U+")+
   1513                 hex(c)+
   1514                 ")==filtered NFC.getCC()");
   1515         }
   1516     }
   1517 
   1518     UnicodeString newString1 = UNICODE_STRING_SIMPLE("[^\\u0100-\\u01ff]");
   1519     UnicodeString newString2 = UNICODE_STRING_SIMPLE("[^\\u0200-\\u02ff]");
   1520     fn2.append(newString1, newString2, errorCode);
   1521     if (U_FAILURE(errorCode)) {
   1522         errln("FilteredNormalizer2.append() failed.");
   1523     }
   1524 }
   1525 
   1526 #endif /* #if !UCONFIG_NO_NORMALIZATION */
   1527