icuSources/test/intltest/idnaconf.cpp

   1 // © 2016 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3 /*
   4  *******************************************************************************
   5  *
   6  *   Copyright (C) 2005-2014, International Business Machines
   7  *   Corporation and others.  All Rights Reserved.
   8  *
   9  *******************************************************************************
  10  *
  11  *   created on: 2005jun15
  12  *   created by: Raymond Yang
  13  */
  14
  15 #if !UCONFIG_NO_IDNA
  16
  17 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <string.h>
  20 #include "unicode/utypes.h"
  21 #include "unicode/ucnv.h"
  22 #include "unicode/ustring.h"
  23 #include "unicode/uidna.h"
  24
  25 #include "idnaconf.h"
  26
  27 static const UChar C_TAG[] = {0x3D, 0x3D, 0x3D, 0x3D, 0x3D, 0}; // =====
  28 static const UChar C_NAMEZONE[] = {0x6E, 0x61, 0x6D, 0x65, 0x7A, 0x6F, 0x6E, 0x65, 0}; // namezone
  29 static const UChar C_NAMEBASE[] = {0x6E, 0x61, 0x6D, 0x65, 0x62, 0x61, 0x73, 0x65, 0}; // namebase
  30
  31 static const UChar C_TYPE[] = {0x74, 0x79, 0x70, 0x65, 0}; // type
  32 static const UChar C_TOASCII[]  =  {0x74, 0x6F, 0x61, 0x73, 0x63, 0x69, 0x69, 0};       // toascii
  33 static const UChar C_TOUNICODE[] = {0x74, 0x6F, 0x75, 0x6E, 0x69, 0x63, 0x6F, 0x64, 0x65, 0}; // tounicode
  34
  35 static const UChar C_PASSFAIL[] = {0x70, 0x61, 0x73, 0x73, 0x66, 0x61, 0x69, 0x6C, 0}; // passfail
  36 static const UChar C_PASS[] = {0x70, 0x61, 0x73, 0x73, 0}; // pass
  37 static const UChar C_FAIL[] = {0x66, 0x61, 0x69, 0x6C, 0}; // fail
  38
  39 static const UChar C_DESC[] = {0x64, 0x65, 0x73, 0x63, 0}; // desc
  40 static const UChar C_USESTD3ASCIIRULES[] = {0x55, 0x73, 0x65, 0x53, 0x54, 0x44,
  41        0x33, 0x41, 0x53, 0x43, 0x49, 0x49, 0x52, 0x75, 0x6C, 0x65, 0x73, 0}; // UseSTD3ASCIIRules
  42
  43 IdnaConfTest::IdnaConfTest(){
  44     base = NULL;
  45     len = 0;
  46     curOffset = 0;
  47
  48     type = option = passfail = -1;
  49     namebase.setToBogus();
  50     namezone.setToBogus();
  51 }
  52 IdnaConfTest::~IdnaConfTest(){
  53     delete [] base;
  54 }
  55
  56 #if !UCONFIG_NO_IDNA
  57 /* this function is modified from RBBITest::ReadAndConvertFile()
  58  *
  59  */
  60 UBool IdnaConfTest::ReadAndConvertFile(){
  61
  62     char * source = NULL;
  63     size_t source_len;
  64
  65     // read the test data file to memory
  66     FILE* f    = NULL;
  67     UErrorCode  status  = U_ZERO_ERROR;
  68
  69     const char *path = IntlTest::getSourceTestData(status);
  70     if (U_FAILURE(status)) {
  71         errln("%s", u_errorName(status));
  72         return FALSE;
  73     }
  74
  75     const char* name = "idna_conf.txt";     // test data file
  76     int t = strlen(path) + strlen(name) + 1;
  77     char* absolute_name = new char[t];
  78     strcpy(absolute_name, path);
  79     strcat(absolute_name, name);
  80     f = fopen(absolute_name, "rb");
  81     delete [] absolute_name;
  82
  83     if (f == NULL){
  84         dataerrln("fopen error on %s", name);
  85         return FALSE;
  86     }
  87
  88     fseek( f, 0, SEEK_END);
  89     if ((source_len = ftell(f)) <= 0){
  90         errln("Error reading test data file.");
  91         fclose(f);
  92         return FALSE;
  93     }
  94
  95     source = new char[source_len];
  96     fseek(f, 0, SEEK_SET);
  97     if (fread(source, 1, source_len, f) != source_len) {
  98         errln("Error reading test data file.");
  99         delete [] source;
 100         fclose(f);
 101         return FALSE;
 102     }
 103     fclose(f);
 104
 105     // convert the UTF-8 encoded stream to UTF-16 stream
 106     UConverter* conv = ucnv_open("utf-8", &status);
 107     int dest_len = ucnv_toUChars(conv,
 108                                 NULL,           //  dest,
 109                                 0,              //  destCapacity,
 110                                 source,
 111                                 source_len,
 112                                 &status);
 113     if (status == U_BUFFER_OVERFLOW_ERROR) {
 114         // Buffer Overflow is expected from the preflight operation.
 115         status = U_ZERO_ERROR;
 116         UChar * dest = NULL;
 117         dest = new UChar[ dest_len + 1];
 118         ucnv_toUChars(conv, dest, dest_len + 1, source, source_len, &status);
 119         // Do not know the "if possible" behavior of ucnv_toUChars()
 120         // Do it by ourself.
 121         dest[dest_len] = 0;
 122         len = dest_len;
 123         base = dest;
 124         delete [] source;
 125         ucnv_close(conv);
 126         return TRUE;    // The buffer will owned by caller.
 127     }
 128     errln("UConverter error: %s", u_errorName(status));
 129     delete [] source;
 130     ucnv_close(conv);
 131     return FALSE;
 132 }
 133
 134 int IdnaConfTest::isNewlineMark(){
 135     static const UChar LF        = 0x0a;
 136     static const UChar CR        = 0x0d;
 137     UChar c = base[curOffset];
 138     // CR LF
 139     if ( c == CR && curOffset + 1 < len && base[curOffset + 1] == LF){
 140         return 2;
 141     }
 142
 143     // CR or LF
 144     if ( c == CR || c == LF) {
 145         return 1;
 146     }
 147
 148     return 0;
 149 }
 150
 151 /* Read a logical line.
 152  *
 153  * All lines ending in a backslash (\) and immediately followed by a newline
 154  * character are joined with the next line in the source file forming logical
 155  * lines from the physical lines.
 156  *
 157  */
 158 UBool IdnaConfTest::ReadOneLine(UnicodeString& buf){
 159     if ( !(curOffset < len) ) return FALSE; // stream end
 160
 161     static const UChar BACKSLASH = 0x5c;
 162     buf.remove();
 163     int t = 0;
 164     while (curOffset < len){
 165         if ((t = isNewlineMark())) {  // end of line
 166             curOffset += t;
 167             break;
 168         }
 169         UChar c = base[curOffset];
 170         if (c == BACKSLASH && curOffset < len -1){  // escaped new line mark
 171             if ((t = isNewlineMark())){
 172                 curOffset += 1 + t;  // BACKSLAH and NewlineMark
 173                 continue;
 174             }
 175         };
 176         buf.append(c);
 177         curOffset++;
 178     }
 179     return TRUE;
 180 }
 181
 182 //
 183 //===============================================================
 184 //
 185
 186 /* Explain <xxxxx> tag to a native value
 187  *
 188  * Since <xxxxx> is always larger than the native value,
 189  * the operation will replace the tag directly in the buffer,
 190  * and, of course, will shift tail elements.
 191  */
 192 void IdnaConfTest::ExplainCodePointTag(UnicodeString& buf){
 193     buf.append((UChar)0);    // add a terminal NULL
 194     UChar* bufBase = buf.getBuffer(buf.length());
 195     UChar* p = bufBase;
 196     while (*p != 0){
 197         if ( *p != 0x3C){    // <
 198             *bufBase++ = *p++;
 199         } else {
 200             p++;    // skip <
 201             UChar32 cp = 0;
 202             for ( ;*p != 0x3E; p++){   // >
 203                 if (0x30 <= *p && *p <= 0x39){        // 0-9
 204                     cp = (cp * 16) + (*p - 0x30);
 205                 } else if (0x61 <= *p && *p <= 0x66){ // a-f
 206                     cp = (cp * 16) + (*p - 0x61) + 10;
 207                 } else if (0x41 <= *p && *p <= 0x46) {// A-F
 208                     cp = (cp * 16) + (*p - 0x41) + 10;
 209                 }
 210                 // no else. hope everything is good.
 211             }
 212             p++;    // skip >
 213             if (U_IS_BMP(cp)){
 214                 *bufBase++ = cp;
 215             } else {
 216                 *bufBase++ = U16_LEAD(cp);
 217                 *bufBase++ = U16_TRAIL(cp);
 218             }
 219         }
 220     }
 221     *bufBase = 0;  // close our buffer
 222     buf.releaseBuffer();
 223 }
 224
 225 void IdnaConfTest::Call(){
 226     if (type == -1 || option == -1 || passfail == -1 || namebase.isBogus() || namezone.isBogus()){
 227         errln("Incomplete record");
 228     } else {
 229         UErrorCode status = U_ZERO_ERROR;
 230         UChar result[200] = {0,};   // simple life
 231         const UChar *p = namebase.getTerminatedBuffer();
 232         const int p_len = namebase.length();
 233
 234         if (type == 0 && option == 0){
 235             uidna_IDNToASCII(p, p_len, result, 200, UIDNA_USE_STD3_RULES, NULL, &status);
 236         } else if (type == 0 && option == 1){
 237             uidna_IDNToASCII(p, p_len, result, 200, UIDNA_ALLOW_UNASSIGNED, NULL, &status);
 238         } else if (type == 1 && option == 0){
 239             uidna_IDNToUnicode(p, p_len, result, 200, UIDNA_USE_STD3_RULES, NULL, &status);
 240         } else if (type == 1 && option == 1){
 241             uidna_IDNToUnicode(p, p_len, result, 200, UIDNA_ALLOW_UNASSIGNED, NULL, &status);
 242         }
 243         if (passfail == 0){
 244             if (U_FAILURE(status)){
 245                 id.append(" should pass, but failed. - ");
 246                 id.append(u_errorName(status));
 247                 errcheckln(status, id);
 248             } else{
 249                 if (namezone.compare(result, -1) == 0){
 250                     // expected
 251                     logln(UnicodeString("namebase: ") + prettify(namebase) + UnicodeString(" result: ") + prettify(result));
 252                 } else {
 253                     id.append(" no error, but result is not as expected.");
 254                     errln(id);
 255                 }
 256             }
 257         } else if (passfail == 1){
 258             if (U_FAILURE(status)){
 259                 // expected
 260                 // TODO: Uncomment this when U_IDNA_ZERO_LENGTH_LABEL_ERROR is added to u_errorName
 261                 //logln("Got the expected error: " + UnicodeString(u_errorName(status)));
 262             } else{
 263                 if (namebase.compare(result, -1) == 0){
 264                     // garbage in -> garbage out
 265                     logln(UnicodeString("ICU will not recognize malformed ACE-Prefixes or incorrect ACE-Prefixes. ") + UnicodeString("namebase: ") + prettify(namebase) + UnicodeString(" result: ") + prettify(result));
 266                 } else {
 267                     id.append(" should fail, but not failed. ");
 268                     id.append(u_errorName(status));
 269                     errln(id);
 270                 }
 271             }
 272         }
 273     }
 274     type = option = passfail = -1;
 275     namebase.setToBogus();
 276     namezone.setToBogus();
 277     id.remove();
 278     return;
 279 }
 280
 281 void IdnaConfTest::Test(void){
 282     if (!ReadAndConvertFile())return;
 283
 284     UnicodeString s;
 285     UnicodeString key;
 286     UnicodeString value;
 287
 288     // skip everything before the first "=====" and "=====" itself
 289     do {
 290         if (!ReadOneLine(s)) {
 291             errln("End of file prematurely found");
 292             break;
 293         }
 294     }
 295     while (s.compare(C_TAG, -1) != 0);   //"====="
 296
 297     while(ReadOneLine(s)){
 298         s.trim();
 299         key.remove();
 300         value.remove();
 301         if (s.compare(C_TAG, -1) == 0){   //"====="
 302             Call();
 303        } else {
 304             // explain      key:value
 305             int p = s.indexOf((UChar)0x3A);    // :
 306             key.setTo(s,0,p).trim();
 307             value.setTo(s,p+1).trim();
 308             if (key.compare(C_TYPE, -1) == 0){
 309                 if (value.compare(C_TOASCII, -1) == 0) {
 310                     type = 0;
 311                 } else if (value.compare(C_TOUNICODE, -1) == 0){
 312                     type = 1;
 313                 }
 314             } else if (key.compare(C_PASSFAIL, -1) == 0){
 315                 if (value.compare(C_PASS, -1) == 0){
 316                     passfail = 0;
 317                 } else if (value.compare(C_FAIL, -1) == 0){
 318                     passfail = 1;
 319                 }
 320             } else if (key.compare(C_DESC, -1) == 0){
 321                 if (value.indexOf(C_USESTD3ASCIIRULES, u_strlen(C_USESTD3ASCIIRULES), 0) == -1){
 322                     option = 1; // not found
 323                 } else {
 324                     option = 0;
 325                 }
 326                 id.setTo(value, 0, value.indexOf((UChar)0x20));    // space
 327             } else if (key.compare(C_NAMEZONE, -1) == 0){
 328                 ExplainCodePointTag(value);
 329                 namezone.setTo(value);
 330             } else if (key.compare(C_NAMEBASE, -1) == 0){
 331                 ExplainCodePointTag(value);
 332                 namebase.setTo(value);
 333             }
 334             // just skip other lines
 335         }
 336     }
 337
 338     Call(); // for last record
 339 }
 340 #else
 341 void IdnaConfTest::Test(void)
 342 {
 343   // test nothing...
 344 }
 345 #endif
 346
 347 void IdnaConfTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/){
 348     switch (index) {
 349         TESTCASE(0,Test);
 350         default: name = ""; break;
 351     }
 352 }
 353
 354 #endif