icuSources/test/intltest/reptest.cpp

   1 // © 2016 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3 /********************************************************************
   4  * COPYRIGHT:
   5  * Copyright (c) 2001-2010, International Business Machines Corporation and
   6  * others. All Rights Reserved.
   7  ********************************************************************/
   8 /************************************************************************
   9 *   This test program is intended for testing Replaceable class.
  10 *
  11 *   Date        Name        Description
  12 *   11/28/2001  hshih       Ported back from Java.
  13 *
  14 ************************************************************************/
  15
  16 #include "unicode/utypes.h"
  17
  18 #if !UCONFIG_NO_TRANSLITERATION
  19
  20 #include "ittrans.h"
  21 #include <string.h>
  22 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include "unicode/rep.h"
  25 #include "reptest.h"
  26
  27 //---------------------------------------------
  28 // runIndexedTest
  29 //---------------------------------------------
  30
  31     /**
  32      * This is a test class that simulates styled text.
  33      * It associates a style number (0..65535) with each character,
  34      * and maintains that style in the normal fashion:
  35      * When setting text from raw string or characters,<br>
  36      * Set the styles to the style of the first character replaced.<br>
  37      * If no characters are replaced, use the style of the previous character.<br>
  38      * If at start, use the following character<br>
  39      * Otherwise use NO_STYLE.
  40      */
  41 class TestReplaceable : public Replaceable {
  42     UnicodeString chars;
  43     UnicodeString styles;
  44
  45     static const UChar NO_STYLE;
  46
  47     static const UChar NO_STYLE_MARK;
  48
  49     /**
  50      * The address of this static class variable serves as this class's ID
  51      * for ICU "poor man's RTTI".
  52      */
  53     static const char fgClassID;
  54
  55 public:
  56     TestReplaceable (const UnicodeString& text,
  57                      const UnicodeString& newStyles) {
  58         chars = text;
  59         UnicodeString s;
  60         for (int i = 0; i < text.length(); ++i) {
  61             if (i < newStyles.length()) {
  62                 s.append(newStyles.charAt(i));
  63             } else {
  64                 if (text.charAt(i) == NO_STYLE_MARK) {
  65                     s.append(NO_STYLE);
  66                 } else {
  67                     s.append((UChar)(i + 0x0031));
  68                 }
  69             }
  70         }
  71         this->styles = s;
  72     }
  73
  74     virtual Replaceable *clone() const {
  75         return new TestReplaceable(chars, styles);
  76     }
  77
  78     ~TestReplaceable(void) {}
  79
  80     UnicodeString getStyles() {
  81         return styles;
  82     }
  83
  84     UnicodeString toString() {
  85         UnicodeString s = chars;
  86         s.append("{");
  87         s.append(styles);
  88         s.append("}");
  89         return s;
  90     }
  91
  92     void extractBetween(int32_t start, int32_t limit, UnicodeString& result) const {
  93         chars.extractBetween(start, limit, result);
  94     }
  95
  96     /**
  97      * ICU "poor man's RTTI", returns a UClassID for this class.
  98      *
  99      * @draft ICU 2.2
 100      */
 101     static inline UClassID getStaticClassID() { return (UClassID)&fgClassID; }
 102
 103     /**
 104      * ICU "poor man's RTTI", returns a UClassID for the actual class.
 105      *
 106      * @draft ICU 2.2
 107      */
 108     virtual inline UClassID getDynamicClassID() const { return getStaticClassID(); }
 109
 110 protected:
 111     virtual int32_t getLength() const {
 112         return chars.length();
 113     }
 114
 115     virtual UChar getCharAt(int32_t offset) const{
 116         return chars.charAt(offset);
 117     }
 118
 119     virtual UChar32 getChar32At(int32_t offset) const{
 120         return chars.char32At(offset);
 121     }
 122
 123     void fixStyles(int32_t start, int32_t limit, int32_t newLen) {
 124         UChar newStyle = NO_STYLE;
 125         if (start != limit && styles.charAt(start) != NO_STYLE) {
 126             newStyle = styles.charAt(start);
 127         } else if (start > 0 && getCharAt(start-1) != NO_STYLE_MARK) {
 128             newStyle = styles.charAt(start-1);
 129         } else if (limit < styles.length()) {
 130             newStyle = styles.charAt(limit);
 131         }
 132         // dumb implementation for now.
 133         UnicodeString s;
 134         for (int i = 0; i < newLen; ++i) {
 135             // this doesn't really handle an embedded NO_STYLE_MARK
 136             // in the middle of a long run of characters right -- but
 137             // that case shouldn't happen anyway
 138             if (getCharAt(start+i) == NO_STYLE_MARK) {
 139                 s.append(NO_STYLE);
 140             } else {
 141                 s.append(newStyle);
 142             }
 143         }
 144         styles.replaceBetween(start, limit, s);
 145     }
 146
 147     virtual void handleReplaceBetween(int32_t start, int32_t limit, const UnicodeString& text) {
 148         UnicodeString s;
 149         this->extractBetween(start, limit, s);
 150         if (s == text) return; // NO ACTION!
 151         this->chars.replaceBetween(start, limit, text);
 152         fixStyles(start, limit, text.length());
 153     }
 154
 155
 156     virtual void copy(int32_t start, int32_t limit, int32_t dest) {
 157         chars.copy(start, limit, dest);
 158         styles.copy(start, limit, dest);
 159     }
 160 };
 161
 162 const char TestReplaceable::fgClassID=0;
 163
 164 const UChar TestReplaceable::NO_STYLE  = 0x005F;
 165
 166 const UChar TestReplaceable::NO_STYLE_MARK = 0xFFFF;
 167
 168 void
 169 ReplaceableTest::runIndexedTest(int32_t index, UBool exec,
 170                                       const char* &name, char* /*par*/) {
 171     switch (index) {
 172         TESTCASE(0,TestReplaceableClass);
 173         default: name = ""; break;
 174     }
 175 }
 176
 177 /*
 178  * Dummy Replaceable implementation for better API/code coverage.
 179  */
 180 class NoopReplaceable : public Replaceable {
 181 public:
 182     virtual int32_t getLength() const {
 183         return 0;
 184     }
 185
 186     virtual UChar getCharAt(int32_t /*offset*/) const{
 187         return 0xffff;
 188     }
 189
 190     virtual UChar32 getChar32At(int32_t /*offset*/) const{
 191         return 0xffff;
 192     }
 193
 194     void extractBetween(int32_t /*start*/, int32_t /*limit*/, UnicodeString& result) const {
 195         result.remove();
 196     }
 197
 198     virtual void handleReplaceBetween(int32_t /*start*/, int32_t /*limit*/, const UnicodeString &/*text*/) {
 199         /* do nothing */
 200     }
 201
 202     virtual void copy(int32_t /*start*/, int32_t /*limit*/, int32_t /*dest*/) {
 203         /* do nothing */
 204     }
 205
 206     static inline UClassID getStaticClassID() { return (UClassID)&fgClassID; }
 207     virtual inline UClassID getDynamicClassID() const { return getStaticClassID(); }
 208
 209 private:
 210     static const char fgClassID;
 211 };
 212
 213 const char NoopReplaceable::fgClassID=0;
 214
 215 void ReplaceableTest::TestReplaceableClass(void) {
 216     UChar rawTestArray[][6] = {
 217         {0x0041, 0x0042, 0x0043, 0x0044, 0x0000, 0x0000}, // ABCD
 218         {0x0061, 0x0062, 0x0063, 0x0064, 0x00DF, 0x0000}, // abcd\u00DF
 219         {0x0061, 0x0042, 0x0043, 0x0044, 0x0000, 0x0000}, // aBCD
 220         {0x0041, 0x0300, 0x0045, 0x0300, 0x0000, 0x0000}, // A\u0300E\u0300
 221         {0x00C0, 0x00C8, 0x0000, 0x0000, 0x0000, 0x0000}, // \u00C0\u00C8
 222         {0x0077, 0x0078, 0x0079, 0x0000, 0x0000, 0x0000}, /* "wxy" */
 223         {0x0077, 0x0078, 0x0079, 0x007A, 0x0000, 0x0000}, /* "wxyz" */
 224         {0x0077, 0x0078, 0x0079, 0x007A, 0x0075, 0x0000}, /* "wxyzu" */
 225         {0x0078, 0x0079, 0x007A, 0x0000, 0x0000, 0x0000}, /* "xyz" */
 226         {0x0077, 0x0078, 0x0079, 0x0000, 0x0000, 0x0000}, /* "wxy" */
 227         {0xFFFF, 0x0078, 0x0079, 0x0000, 0x0000, 0x0000}, /* "*xy" */
 228         {0xFFFF, 0x0078, 0x0079, 0x0000, 0x0000, 0x0000}, /* "*xy" */
 229     };
 230     check("Lower", rawTestArray[0], "1234");
 231     check("Upper", rawTestArray[1], "123455"); // must map 00DF to SS
 232     check("Title", rawTestArray[2], "1234");
 233     check("NFC",   rawTestArray[3], "13");
 234     check("NFD",   rawTestArray[4], "1122");
 235     check("*(x) > A $1 B", rawTestArray[5], "11223");
 236     check("*(x)(y) > A $2 B $1 C $2 D", rawTestArray[6], "113322334");
 237     check("*(x)(y)(z) > A $3 B $2 C $1 D", rawTestArray[7], "114433225");
 238     // Disabled for 2.4.  TODO Revisit in 2.6 or later.
 239     //check("*x > a", rawTestArray[8], "223"); // expect "123"?
 240     //check("*x > a", rawTestArray[9], "113"); // expect "123"?
 241     //check("*x > a", rawTestArray[10], "_33"); // expect "_23"?
 242     //check("*(x) > A $1 B", rawTestArray[11], "__223");
 243
 244     // improve API/code coverage
 245     NoopReplaceable noop;
 246     Replaceable *p;
 247     if((p=noop.clone())!=NULL) {
 248         errln("Replaceable::clone() does not return NULL");
 249         delete p;
 250     }
 251
 252     if(!noop.hasMetaData()) {
 253         errln("Replaceable::hasMetaData() does not return TRUE");
 254     }
 255
 256     // try to call the compiler-provided
 257     // UMemory/UObject/Replaceable assignment operators
 258     NoopReplaceable noop2;
 259     noop2=noop;
 260     if((p=noop2.clone())!=NULL) {
 261         errln("noop2.Replaceable::clone() does not return NULL");
 262         delete p;
 263     }
 264
 265     // try to call the compiler-provided
 266     // UMemory/UObject/Replaceable copy constructors
 267     NoopReplaceable noop3(noop);
 268     if((p=noop3.clone())!=NULL) {
 269         errln("noop3.Replaceable::clone() does not return NULL");
 270         delete p;
 271     }
 272 }
 273
 274 void ReplaceableTest::check(const UnicodeString& transliteratorName,
 275                             const UnicodeString& test,
 276                             const UnicodeString& shouldProduceStyles)
 277 {
 278     UErrorCode status = U_ZERO_ERROR;
 279     TestReplaceable *tr = new TestReplaceable(test, "");
 280     UnicodeString expectedStyles = shouldProduceStyles;
 281     UnicodeString original = tr->toString();
 282
 283     Transliterator* t;
 284     if (transliteratorName.charAt(0) == 0x2A /*'*'*/) {
 285         UnicodeString rules(transliteratorName);
 286         rules.remove(0,1);
 287         UParseError pe;
 288         t = Transliterator::createFromRules("test", rules, UTRANS_FORWARD,
 289                                             pe, status);
 290
 291         // test clone()
 292         TestReplaceable *tr2 = (TestReplaceable *)tr->clone();
 293         if(tr2 != NULL) {
 294             delete tr;
 295             tr = tr2;
 296         }
 297     } else {
 298         t = Transliterator::createInstance(transliteratorName, UTRANS_FORWARD, status);
 299     }
 300     if (U_FAILURE(status)) {
 301         dataerrln("FAIL: failed to create the " + transliteratorName + " transliterator");
 302         delete tr;
 303         return;
 304     }
 305     t->transliterate(*tr);
 306     UnicodeString newStyles = tr->getStyles();
 307     if (newStyles != expectedStyles) {
 308         errln("FAIL Styles: " + transliteratorName + "{" + original + "} => "
 309             + tr->toString() + "; should be {" + expectedStyles + "}!");
 310     } else {
 311         log("OK: ");
 312         log(transliteratorName);
 313         log("(");
 314         log(original);
 315         log(") => ");
 316         logln(tr->toString());
 317     }
 318     delete tr;
 319     delete t;
 320 }
 321
 322 #endif /* #if !UCONFIG_NO_TRANSLITERATION */