icuSources/test/intltest/canittst.cpp

   1 /********************************************************************
   2  * COPYRIGHT:
   3  * Copyright (c) 2002-2004, International Business Machines Corporation and
   4  * others. All Rights Reserved.
   5  ********************************************************************
   6  *
   7  * @author Mark E. Davis
   8  * @author Vladimir Weinstein
   9  */
  10
  11 #include "unicode/utypes.h"
  12
  13 #if !UCONFIG_NO_NORMALIZATION
  14
  15 #include "intltest.h"
  16 #include "cstring.h"
  17 #include "canittst.h"
  18 #include "unicode/caniter.h"
  19 #include "unicode/normlzr.h"
  20 #include "unicode/uchar.h"
  21 #include "hash.h"
  22
  23 #define ARRAY_LENGTH(array) ((int32_t)(sizeof (array) / sizeof (*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 void CanonicalIteratorTest::runIndexedTest(int32_t index, UBool exec,
  35                                          const char* &name, char* /*par*/) {
  36     switch (index) {
  37         CASE(0, TestBasic);
  38         CASE(1, TestExhaustive);
  39         CASE(2, TestAPI);
  40       default: name = ""; break;
  41     }
  42 }
  43
  44 /**
  45  * Convert Java-style strings with \u Unicode escapes into UnicodeString objects
  46 static UnicodeString str(const char *input)
  47 {
  48     UnicodeString str(input, ""); // Invariant conversion
  49     return str.unescape();
  50 }
  51  */
  52
  53
  54 CanonicalIteratorTest::CanonicalIteratorTest() :
  55 nameTrans(NULL), hexTrans(NULL)
  56 {
  57 }
  58
  59 CanonicalIteratorTest::~CanonicalIteratorTest()
  60 {
  61 #if !UCONFIG_NO_TRANSLITERATION
  62   if(nameTrans != NULL) {
  63     delete(nameTrans);
  64   }
  65   if(hexTrans != NULL) {
  66     delete(hexTrans);
  67   }
  68 #endif
  69 }
  70
  71 void CanonicalIteratorTest::TestExhaustive() {
  72     UErrorCode status = U_ZERO_ERROR;
  73     CanonicalIterator it("", status);
  74     UChar32 i = 0;
  75     UnicodeString s, decomp, comp;
  76     // Test static and dynamic class IDs
  77     if(it.getDynamicClassID() != CanonicalIterator::getStaticClassID()){
  78         errln("CanonicalIterator::getStaticClassId ! = CanonicalIterator.getDynamicClassID");
  79     }
  80     for (i = 0; i < 0x10FFFF; quick?i+=0x10:++i) {
  81         //for (i = 0xae00; i < 0xaf00; ++i) {
  82
  83         if ((i % 0x100) == 0) {
  84             logln("Testing U+%06X", i);
  85         }
  86
  87         // skip characters we know don't have decomps
  88         int8_t type = u_charType(i);
  89         if (type == U_UNASSIGNED || type == U_PRIVATE_USE_CHAR
  90             || type == U_SURROGATE) continue;
  91
  92         s = i;
  93         s += (UChar32)0x0345; //"\\u0345";
  94
  95         Normalizer::decompose(s, FALSE, 0, decomp, status);
  96         Normalizer::compose(s, FALSE, 0, comp, status);
  97
  98         // skip characters that don't have either decomp.
  99         // need quick test for this!
 100         if (s == decomp && s == comp) {
 101             continue;
 102         }
 103
 104         it.setSource(s, status);
 105         UBool gotDecomp = FALSE;
 106         UBool gotComp = FALSE;
 107         UBool gotSource = FALSE;
 108
 109         while (TRUE) {
 110             UnicodeString item = it.next();
 111             if (item.isBogus()) break;
 112             if (item == s) gotSource = TRUE;
 113             if (item == decomp) gotDecomp = TRUE;
 114             if (item == comp) gotComp = TRUE;
 115         }
 116
 117         if (!gotSource || !gotDecomp || !gotComp) {
 118             errln("FAIL CanonicalIterator: " + s + (int)i);
 119         }
 120     }
 121 }
 122
 123 void CanonicalIteratorTest::TestBasic() {
 124
 125     UErrorCode status = U_ZERO_ERROR;
 126
 127     static const char * const testArray[][2] = {
 128         {"\\u00C5d\\u0307\\u0327", "A\\u030Ad\\u0307\\u0327, A\\u030Ad\\u0327\\u0307, A\\u030A\\u1E0B\\u0327, "
 129             "A\\u030A\\u1E11\\u0307, \\u00C5d\\u0307\\u0327, \\u00C5d\\u0327\\u0307, "
 130             "\\u00C5\\u1E0B\\u0327, \\u00C5\\u1E11\\u0307, \\u212Bd\\u0307\\u0327, "
 131             "\\u212Bd\\u0327\\u0307, \\u212B\\u1E0B\\u0327, \\u212B\\u1E11\\u0307"},
 132         {"\\u010d\\u017E", "c\\u030Cz\\u030C, c\\u030C\\u017E, \\u010Dz\\u030C, \\u010D\\u017E"},
 133         {"x\\u0307\\u0327", "x\\u0307\\u0327, x\\u0327\\u0307, \\u1E8B\\u0327"},
 134     };
 135
 136 #if 0
 137     // This is not interesting for C/C++ as the data is already built beforehand
 138     // check build
 139     UnicodeSet ss = CanonicalIterator.getSafeStart();
 140     logln("Safe Start: " + ss.toPattern(true));
 141     ss = CanonicalIterator.getStarts('a');
 142     expectEqual("Characters with 'a' at the start of their decomposition: ", "", CanonicalIterator.getStarts('a'),
 143         new UnicodeSet("[\u00E0-\u00E5\u0101\u0103\u0105\u01CE\u01DF\u01E1\u01FB"
 144         + "\u0201\u0203\u0227\u1E01\u1EA1\u1EA3\u1EA5\u1EA7\u1EA9\u1EAB\u1EAD\u1EAF\u1EB1\u1EB3\u1EB5\u1EB7]")
 145             );
 146 #endif
 147
 148     // check permute
 149     // NOTE: we use a TreeSet below to sort the output, which is not guaranteed to be sorted!
 150
 151     Hashtable *permutations = new Hashtable(FALSE, status);
 152     permutations->setValueDeleter(uhash_deleteUnicodeString);
 153     UnicodeString toPermute("ABC");
 154
 155     CanonicalIterator::permute(toPermute, FALSE, permutations, status);
 156
 157     logln("testing permutation");
 158
 159     expectEqual("Simple permutation ", "", collectionToString(permutations), "ABC, ACB, BAC, BCA, CAB, CBA");
 160
 161     delete permutations;
 162
 163     // try samples
 164     logln("testing samples");
 165     Hashtable *set = new Hashtable(FALSE, status);
 166     set->setValueDeleter(uhash_deleteUnicodeString);
 167     int32_t i = 0;
 168     CanonicalIterator it("", status);
 169     if(U_SUCCESS(status)) {
 170       for (i = 0; i < ARRAY_LENGTH(testArray); ++i) {
 171           //logln("Results for: " + name.transliterate(testArray[i]));
 172           UnicodeString testStr = CharsToUnicodeString(testArray[i][0]);
 173           it.setSource(testStr, status);
 174           set->removeAll();
 175           while (TRUE) {
 176               //UnicodeString *result = new UnicodeString(it.next());
 177               UnicodeString result(it.next());
 178               if (result.isBogus()) {
 179                   break;
 180               }
 181               set->put(result, new UnicodeString(result), status); // Add result to the table
 182               //logln(++counter + ": " + hex.transliterate(result));
 183               //logln(" = " + name.transliterate(result));
 184           }
 185           expectEqual(i + ": ", testStr, collectionToString(set), CharsToUnicodeString(testArray[i][1]));
 186
 187       }
 188     } else {
 189       errln("Couldn't instantiate canonical iterator. Error: %s", u_errorName(status));
 190     }
 191     delete set;
 192 }
 193
 194 void CanonicalIteratorTest::expectEqual(const UnicodeString &message, const UnicodeString &item, const UnicodeString &a, const UnicodeString &b) {
 195     if (!(a==b)) {
 196         errln("FAIL: " + message + getReadable(item));
 197         errln("\t" + getReadable(a));
 198         errln("\t" + getReadable(b));
 199     } else {
 200         logln("Checked: " + message + getReadable(item));
 201         logln("\t" + getReadable(a));
 202         logln("\t" + getReadable(b));
 203     }
 204 }
 205
 206 UnicodeString CanonicalIteratorTest::getReadable(const UnicodeString &s) {
 207   UErrorCode status = U_ZERO_ERROR;
 208   UnicodeString result = "[";
 209     if (s.length() == 0) return "";
 210     // set up for readable display
 211 #if !UCONFIG_NO_TRANSLITERATION
 212     if(verbose) {
 213       if (nameTrans == NULL)
 214           nameTrans = Transliterator::createInstance("[^\\ -\\u007F] name", UTRANS_FORWARD, status);
 215       UnicodeString sName = s;
 216       nameTrans->transliterate(sName);
 217       result += sName;
 218       result += ";";
 219     }
 220     if (hexTrans == NULL)
 221         hexTrans = Transliterator::createInstance("[^\\ -\\u007F] hex", UTRANS_FORWARD, status);
 222 #endif
 223     UnicodeString sHex = s;
 224 #if !UCONFIG_NO_TRANSLITERATION
 225     if(hexTrans) { // maybe there is no data and transliterator cannot be instantiated
 226       hexTrans->transliterate(sHex);
 227     }
 228 #endif
 229     result += sHex;
 230     result += "]";
 231     return result;
 232     //return "[" + (verbose ? name->transliterate(s) + "; " : "") + hex->transliterate(s) + "]";
 233 }
 234
 235 U_CFUNC int U_CALLCONV
 236 compareUnicodeStrings(const void *s1, const void *s2) {
 237   UnicodeString **st1 = (UnicodeString **)s1;
 238   UnicodeString **st2 = (UnicodeString **)s2;
 239
 240   return (*st1)->compare(**st2);
 241 }
 242
 243
 244 UnicodeString CanonicalIteratorTest::collectionToString(Hashtable *col) {
 245     UnicodeString result;
 246
 247     // Iterate over the Hashtable, then qsort.
 248
 249     UnicodeString **resArray = new UnicodeString*[col->count()];
 250     int32_t i = 0;
 251
 252     const UHashElement *ne = NULL;
 253     int32_t el = -1;
 254     //Iterator it = basic.iterator();
 255     ne = col->nextElement(el);
 256     //while (it.hasNext())
 257     while (ne != NULL) {
 258       //String item = (String) it.next();
 259       UnicodeString *item = (UnicodeString *)(ne->value.pointer);
 260       resArray[i++] = item;
 261       ne = col->nextElement(el);
 262     }
 263
 264     for(i = 0; i<col->count(); ++i) {
 265       logln(*resArray[i]);
 266     }
 267
 268     qsort(resArray, col->count(), sizeof(UnicodeString *), compareUnicodeStrings);
 269
 270     result = *resArray[0];
 271
 272     for(i = 1; i<col->count(); ++i) {
 273       result += ", ";
 274       result += *resArray[i];
 275     }
 276
 277 /*
 278     Iterator it = col.iterator();
 279     while (it.hasNext()) {
 280         if (result.length() != 0) result.append(", ");
 281         result.append(it.next().toString());
 282     }
 283 */
 284
 285     delete [] resArray;
 286
 287     return result;
 288 }
 289
 290 void CanonicalIteratorTest::TestAPI() {
 291   UErrorCode status = U_ZERO_ERROR;
 292   // Test reset and getSource
 293   UnicodeString start("ljubav");
 294   logln("Testing CanonicalIterator::getSource");
 295   logln("Instantiating canonical iterator with string "+start);
 296   CanonicalIterator can(start, status);
 297   UnicodeString source = can.getSource();
 298   logln("CanonicalIterator::getSource returned "+source);
 299   if(start != source) {
 300     errln("CanonicalIterator.getSource() didn't return the starting string. Expected "+start+", got "+source);
 301   }
 302   logln("Testing CanonicalIterator::reset");
 303   UnicodeString next = can.next();
 304   logln("CanonicalIterator::next returned "+next);
 305
 306   can.reset();
 307
 308   UnicodeString afterReset = can.next();
 309   logln("After reset, CanonicalIterator::next returned "+afterReset);
 310
 311   if(next != afterReset) {
 312     errln("Next after instantiation ("+next+") is different from next after reset ("+afterReset+").");
 313   }
 314
 315   logln("Testing getStaticClassID and getDynamicClassID");
 316   if(can.getDynamicClassID() != CanonicalIterator::getStaticClassID()){
 317       errln("RTTI failed for CanonicalIterator getDynamicClassID != getStaticClassID");
 318   }
 319 }
 320
 321 #endif /* #if !UCONFIG_NO_NORMALIZATION */