icuSources/test/intltest/idnaconf.cpp

   1 /*
   2  *******************************************************************************
   3  *
   4  *   Copyright (C) 2005-2009, International Business Machines
   5  *   Corporation and others.  All Rights Reserved.
   6  *
   7  *******************************************************************************
   8  *
   9  *   created on: 2005jun15
  10  *   created by: Raymond Yang
  11  */
  12
  13 #if !UCONFIG_NO_IDNA
  14
  15 #include <stdio.h>
  16 #include <stdlib.h>
  17 #include <string.h>
  18 #include "unicode/utypes.h"
  19 #include "unicode/ucnv.h"
  20 #include "unicode/ustring.h"
  21 #include "unicode/uidna.h"
  22
  23 #include "idnaconf.h"
  24
  25 static const UChar C_TAG[] = {0x3D, 0x3D, 0x3D, 0x3D, 0x3D, 0}; // =====
  26 static const UChar C_NAMEZONE[] = {0x6E, 0x61, 0x6D, 0x65, 0x7A, 0x6F, 0x6E, 0x65, 0}; // namezone
  27 static const UChar C_NAMEBASE[] = {0x6E, 0x61, 0x6D, 0x65, 0x62, 0x61, 0x73, 0x65, 0}; // namebase
  28 static const UChar C_NAMEUTF8[] = {0x6E, 0x61, 0x6D, 0x65, 0x75, 0x74, 0x66, 0x38, 0}; // nameutf8
  29
  30 static const UChar C_TYPE[] = {0x74, 0x79, 0x70, 0x65, 0}; // type
  31 static const UChar C_TOASCII[]  =  {0x74, 0x6F, 0x61, 0x73, 0x63, 0x69, 0x69, 0};       // toascii
  32 static const UChar C_TOUNICODE[] = {0x74, 0x6F, 0x75, 0x6E, 0x69, 0x63, 0x6F, 0x64, 0x65, 0}; // tounicode
  33
  34 static const UChar C_PASSFAIL[] = {0x70, 0x61, 0x73, 0x73, 0x66, 0x61, 0x69, 0x6C, 0}; // passfail
  35 static const UChar C_PASS[] = {0x70, 0x61, 0x73, 0x73, 0}; // pass
  36 static const UChar C_FAIL[] = {0x66, 0x61, 0x69, 0x6C, 0}; // fail
  37
  38 static const UChar C_DESC[] = {0x64, 0x65, 0x73, 0x63, 0}; // desc
  39 static const UChar C_USESTD3ASCIIRULES[] = {0x55, 0x73, 0x65, 0x53, 0x54, 0x44,
  40        0x33, 0x41, 0x53, 0x43, 0x49, 0x49, 0x52, 0x75, 0x6C, 0x65, 0x73, 0}; // UseSTD3ASCIIRules
  41
  42 IdnaConfTest::IdnaConfTest(){
  43     base = NULL;
  44     len = 0;
  45     curOffset = 0;
  46
  47     type = option = passfail = -1;
  48     namebase.setToBogus();
  49     namezone.setToBogus();
  50 }
  51 IdnaConfTest::~IdnaConfTest(){
  52     delete [] base;
  53 }
  54
  55 #if !UCONFIG_NO_IDNA
  56 /* this function is modified from RBBITest::ReadAndConvertFile()
  57  *
  58  */
  59 UBool IdnaConfTest::ReadAndConvertFile(){
  60
  61     char * source = NULL;
  62     size_t source_len;
  63
  64     // read the test data file to memory
  65     FILE* f    = NULL;
  66     UErrorCode  status  = U_ZERO_ERROR;
  67
  68     const char *path = IntlTest::getSourceTestData(status);
  69     if (U_FAILURE(status)) {
  70         errln("%s", u_errorName(status));
  71         return FALSE;
  72     }
  73
  74     const char* name = "idna_conf.txt";     // test data file
  75     int t = strlen(path) + strlen(name) + 1;
  76     char* absolute_name = new char[t];
  77     strcpy(absolute_name, path);
  78     strcat(absolute_name, name);
  79     f = fopen(absolute_name, "rb");
  80     delete [] absolute_name;
  81
  82     if (f == NULL){
  83         dataerrln("fopen error on %s", name);
  84         return FALSE;
  85     }
  86
  87     fseek( f, 0, SEEK_END);
  88     if ((source_len = ftell(f)) <= 0){
  89         errln("Error reading test data file.");
  90         fclose(f);
  91         return FALSE;
  92     }
  93
  94     source = new char[source_len];
  95     fseek(f, 0, SEEK_SET);
  96     if (fread(source, 1, source_len, f) != source_len) {
  97         errln("Error reading test data file.");
  98         delete [] source;
  99         fclose(f);
 100         return FALSE;
 101     }
 102     fclose(f);
 103
 104     // convert the UTF-8 encoded stream to UTF-16 stream
 105     UConverter* conv = ucnv_open("utf-8", &status);
 106     int dest_len = ucnv_toUChars(conv,
 107                                 NULL,           //  dest,
 108                                 0,              //  destCapacity,
 109                                 source,
 110                                 source_len,
 111                                 &status);
 112     if (status == U_BUFFER_OVERFLOW_ERROR) {
 113         // Buffer Overflow is expected from the preflight operation.
 114         status = U_ZERO_ERROR;
 115         UChar * dest = NULL;
 116         dest = new UChar[ dest_len + 1];
 117         ucnv_toUChars(conv, dest, dest_len + 1, source, source_len, &status);
 118         // Do not know the "if possible" behavior of ucnv_toUChars()
 119         // Do it by ourself.
 120         dest[dest_len] = 0;
 121         len = dest_len;
 122         base = dest;
 123         delete [] source;
 124         ucnv_close(conv);
 125         return TRUE;    // The buffer will owned by caller.
 126     }
 127     errln("UConverter error: %s", u_errorName(status));
 128     delete [] source;
 129     ucnv_close(conv);
 130     return FALSE;
 131 }
 132
 133 int IdnaConfTest::isNewlineMark(){
 134     static const UChar LF        = 0x0a;
 135     static const UChar CR        = 0x0d;
 136     UChar c = base[curOffset];
 137     // CR LF
 138     if ( c == CR && curOffset + 1 < len && base[curOffset + 1] == LF){
 139         return 2;
 140     }
 141
 142     // CR or LF
 143     if ( c == CR || c == LF) {
 144         return 1;
 145     }
 146
 147     return 0;
 148 }
 149
 150 /* Read a logical line.
 151  *
 152  * All lines ending in a backslash (\) and immediately followed by a newline
 153  * character are joined with the next line in the source file forming logical
 154  * lines from the physical lines.
 155  *
 156  */
 157 UBool IdnaConfTest::ReadOneLine(UnicodeString& buf){
 158     if ( !(curOffset < len) ) return FALSE; // stream end
 159
 160     static const UChar BACKSLASH = 0x5c;
 161     buf.remove();
 162     int t = 0;
 163     while (curOffset < len){
 164         if ((t = isNewlineMark())) {  // end of line
 165             curOffset += t;
 166             break;
 167         }
 168         UChar c = base[curOffset];
 169         if (c == BACKSLASH && curOffset < len -1){  // escaped new line mark
 170             if ((t = isNewlineMark())){
 171                 curOffset += 1 + t;  // BACKSLAH and NewlineMark
 172                 continue;
 173             }
 174         };
 175         buf.append(c);
 176         curOffset++;
 177     }
 178     return TRUE;
 179 }
 180
 181 //
 182 //===============================================================
 183 //
 184
 185 /* Explain <xxxxx> tag to a native value
 186  *
 187  * Since <xxxxx> is always larger than the native value,
 188  * the operation will replace the tag directly in the buffer,
 189  * and, of course, will shift tail elements.
 190  */
 191 void IdnaConfTest::ExplainCodePointTag(UnicodeString& buf){
 192     buf.append((UChar)0);    // add a terminal NULL
 193     UChar* bufBase = buf.getBuffer(buf.length());
 194     UChar* p = bufBase;
 195     while (*p != 0){
 196         if ( *p != 0x3C){    // <
 197             *bufBase++ = *p++;
 198         } else {
 199             p++;    // skip <
 200             UChar32 cp = 0;
 201             for ( ;*p != 0x3E; p++){   // >
 202                 if (0x30 <= *p && *p <= 0x39){        // 0-9
 203                     cp = (cp * 16) + (*p - 0x30);
 204                 } else if (0x61 <= *p && *p <= 0x66){ // a-f
 205                     cp = (cp * 16) + (*p - 0x61) + 10;
 206                 } else if (0x41 <= *p && *p <= 0x46) {// A-F
 207                     cp = (cp * 16) + (*p - 0x41) + 10;
 208                 }
 209                 // no else. hope everything is good.
 210             }
 211             p++;    // skip >
 212             if (U_IS_BMP(cp)){
 213                 *bufBase++ = cp;
 214             } else {
 215                 *bufBase++ = U16_LEAD(cp);
 216                 *bufBase++ = U16_TRAIL(cp);
 217             }
 218         }
 219     }
 220     *bufBase = 0;  // close our buffer
 221     buf.releaseBuffer();
 222 }
 223
 224 void IdnaConfTest::Call(){
 225     if (type == -1 || option == -1 || passfail == -1 || namebase.isBogus() || namezone.isBogus()){
 226         errln("Incomplete record");
 227     } else {
 228         UErrorCode status = U_ZERO_ERROR;
 229         UChar result[200] = {0,};   // simple life
 230         const UChar *p = namebase.getTerminatedBuffer();
 231         const int p_len = namebase.length();
 232
 233         if (type == 0 && option == 0){
 234             uidna_IDNToASCII(p, p_len, result, 200, UIDNA_USE_STD3_RULES, NULL, &status);
 235         } else if (type == 0 && option == 1){
 236             uidna_IDNToASCII(p, p_len, result, 200, UIDNA_ALLOW_UNASSIGNED, NULL, &status);
 237         } else if (type == 1 && option == 0){
 238             uidna_IDNToUnicode(p, p_len, result, 200, UIDNA_USE_STD3_RULES, NULL, &status);
 239         } else if (type == 1 && option == 1){
 240             uidna_IDNToUnicode(p, p_len, result, 200, UIDNA_ALLOW_UNASSIGNED, NULL, &status);
 241         }
 242         if (passfail == 0){
 243             if (U_FAILURE(status)){
 244                 id.append(" should pass, but failed. - ");
 245                 id.append(u_errorName(status));
 246                 errcheckln(status, id);
 247             } else{
 248                 if (namezone.compare(result, -1) == 0){
 249                     // expected
 250                     logln(UnicodeString("namebase: ") + prettify(namebase) + UnicodeString(" result: ") + prettify(result));
 251                 } else {
 252                     id.append(" no error, but result is not as expected.");
 253                     errln(id);
 254                 }
 255             }
 256         } else if (passfail == 1){
 257             if (U_FAILURE(status)){
 258                 // expected
 259                 // TODO: Uncomment this when U_IDNA_ZERO_LENGTH_LABEL_ERROR is added to u_errorName
 260                 //logln("Got the expected error: " + UnicodeString(u_errorName(status)));
 261             } else{
 262                 if (namebase.compare(result, -1) == 0){
 263                     // garbage in -> garbage out
 264                     logln(UnicodeString("ICU will not recognize malformed ACE-Prefixes or incorrect ACE-Prefixes. ") + UnicodeString("namebase: ") + prettify(namebase) + UnicodeString(" result: ") + prettify(result));
 265                 } else {
 266                     id.append(" should fail, but not failed. ");
 267                     id.append(u_errorName(status));
 268                     errln(id);
 269                 }
 270             }
 271         }
 272     }
 273     type = option = passfail = -1;
 274     namebase.setToBogus();
 275     namezone.setToBogus();
 276     id.remove();
 277     return;
 278 }
 279
 280 void IdnaConfTest::Test(void){
 281     if (!ReadAndConvertFile())return;
 282
 283     UnicodeString s;
 284     UnicodeString key;
 285     UnicodeString value;
 286
 287     // skip everything before the first "=====" and "=====" itself
 288     do {
 289         if (!ReadOneLine(s)) {
 290             errln("End of file prematurely found");
 291             break;
 292         }
 293     }
 294     while (s.compare(C_TAG, -1) != 0);   //"====="
 295
 296     while(ReadOneLine(s)){
 297         s.trim();
 298         key.remove();
 299         value.remove();
 300         if (s.compare(C_TAG, -1) == 0){   //"====="
 301             Call();
 302        } else {
 303             // explain      key:value
 304             int p = s.indexOf((UChar)0x3A);    // :
 305             key.setTo(s,0,p).trim();
 306             value.setTo(s,p+1).trim();
 307             if (key.compare(C_TYPE, -1) == 0){
 308                 if (value.compare(C_TOASCII, -1) == 0) {
 309                     type = 0;
 310                 } else if (value.compare(C_TOUNICODE, -1) == 0){
 311                     type = 1;
 312                 }
 313             } else if (key.compare(C_PASSFAIL, -1) == 0){
 314                 if (value.compare(C_PASS, -1) == 0){
 315                     passfail = 0;
 316                 } else if (value.compare(C_FAIL, -1) == 0){
 317                     passfail = 1;
 318                 }
 319             } else if (key.compare(C_DESC, -1) == 0){
 320                 if (value.indexOf(C_USESTD3ASCIIRULES, u_strlen(C_USESTD3ASCIIRULES), 0) == -1){
 321                     option = 1; // not found
 322                 } else {
 323                     option = 0;
 324                 }
 325                 id.setTo(value, 0, value.indexOf((UChar)0x20));    // space
 326             } else if (key.compare(C_NAMEZONE, -1) == 0){
 327                 ExplainCodePointTag(value);
 328                 namezone.setTo(value);
 329             } else if (key.compare(C_NAMEBASE, -1) == 0){
 330                 ExplainCodePointTag(value);
 331                 namebase.setTo(value);
 332             }
 333             // just skip other lines
 334         }
 335     }
 336
 337     Call(); // for last record
 338 }
 339 #else
 340 void IdnaConfTest::Test(void)
 341 {
 342   // test nothing...
 343 }
 344 #endif
 345
 346 void IdnaConfTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/){
 347     switch (index) {
 348         TESTCASE(0,Test);
 349         default: name = ""; break;
 350     }
 351 }
 352
 353 #endif