1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /********************************************************************
4 * Copyright (c) 1997-2014, International Business Machines
5 * Corporation and others. All Rights Reserved.
6 ********************************************************************
7 *
8 * File UCNVSELTST.C
9 *
10 * Modification History:
11 * Name Description
12 * MOHAMED ELDAWY Creation
13 ********************************************************************
14 */
15
16 /* C API AND FUNCTIONALITY TEST FOR CONVERTER SELECTOR (ucnvsel.h)*/
17
18 #include "ucnvseltst.h"
19
20 #include <stdio.h>
21
22 #include "unicode/utypes.h"
23 #include "unicode/ucnvsel.h"
24 #include "unicode/ustring.h"
25 #include "unicode/utf8.h"
26 #include "cmemory.h"
27 #include "cstring.h"
28 #include "propsvec.h"
29
30 #define FILENAME_BUFFER 1024
31
32 #define TDSRCPATH ".." U_FILE_SEP_STRING "test" U_FILE_SEP_STRING "testdata" U_FILE_SEP_STRING
33
34 static void TestSelector(void);
35 static void TestUPropsVector(void);
36 void addCnvSelTest(TestNode** root); /* Declaration required to suppress compiler warnings. */
37
addCnvSelTest(TestNode ** root)38 void addCnvSelTest(TestNode** root)
39 {
40 addTest(root, &TestSelector, "tsconv/ucnvseltst/TestSelector");
41 addTest(root, &TestUPropsVector, "tsconv/ucnvseltst/TestUPropsVector");
42 }
43
44 static const char **gAvailableNames = NULL;
45 static int32_t gCountAvailable = 0;
46
47 static UBool
getAvailableNames()48 getAvailableNames() {
49 int32_t i;
50 if (gAvailableNames != NULL) {
51 return TRUE;
52 }
53 gCountAvailable = ucnv_countAvailable();
54 if (gCountAvailable == 0) {
55 log_data_err("No converters available.\n");
56 return FALSE;
57 }
58 gAvailableNames = (const char **)uprv_malloc(gCountAvailable * sizeof(const char *));
59 if (gAvailableNames == NULL) {
60 log_err("unable to allocate memory for %ld available converter names\n",
61 (long)gCountAvailable);
62 return FALSE;
63 }
64 for (i = 0; i < gCountAvailable; ++i) {
65 gAvailableNames[i] = ucnv_getAvailableName(i);
66 }
67 return TRUE;
68 }
69
70 static void
releaseAvailableNames()71 releaseAvailableNames() {
72 uprv_free((void *)gAvailableNames);
73 gAvailableNames = NULL;
74 gCountAvailable = 0;
75 }
76
77 static const char **
getEncodings(int32_t start,int32_t step,int32_t count,int32_t * pCount)78 getEncodings(int32_t start, int32_t step, int32_t count, int32_t *pCount) {
79 const char **names;
80 int32_t i;
81
82 *pCount = 0;
83 if (count <= 0) {
84 return NULL;
85 }
86 names = (const char **)uprv_malloc(count * sizeof(char *));
87 if (names == NULL) {
88 log_err("memory allocation error for %ld pointers\n", (long)count);
89 return NULL;
90 }
91 if (step == 0 && count > 0) {
92 step = 1;
93 }
94 for (i = 0; i < count; ++i) {
95 if (0 <= start && start < gCountAvailable) {
96 names[i] = gAvailableNames[start];
97 start += step;
98 ++*pCount;
99 }
100 }
101 return names;
102 }
103
104 #if 0
105 /*
106 * ucnvsel_open() does not support "no encodings":
107 * Given 0 encodings it will open a selector for all available ones.
108 */
109 static const char **
110 getNoEncodings(int32_t *pCount) {
111 *pCount = 0;
112 return NULL;
113 }
114 #endif
115
116 static const char **
getOneEncoding(int32_t * pCount)117 getOneEncoding(int32_t *pCount) {
118 return getEncodings(1, 0, 1, pCount);
119 }
120
121 static const char **
getFirstEvenEncodings(int32_t * pCount)122 getFirstEvenEncodings(int32_t *pCount) {
123 return getEncodings(0, 2, 25, pCount);
124 }
125
126 static const char **
getMiddleEncodings(int32_t * pCount)127 getMiddleEncodings(int32_t *pCount) {
128 return getEncodings(gCountAvailable - 12, 1, 22, pCount);
129 }
130
131 static const char **
getLastEncodings(int32_t * pCount)132 getLastEncodings(int32_t *pCount) {
133 return getEncodings(gCountAvailable - 1, -1, 25, pCount);
134 }
135
136 static const char **
getSomeEncodings(int32_t * pCount)137 getSomeEncodings(int32_t *pCount) {
138 /* 20 evenly distributed */
139 return getEncodings(5, (gCountAvailable + 19)/ 20, 20, pCount);
140 }
141
142 static const char **
getEveryThirdEncoding(int32_t * pCount)143 getEveryThirdEncoding(int32_t *pCount) {
144 return getEncodings(2, 3, (gCountAvailable + 2 )/ 3, pCount);
145 }
146
147 static const char **
getAllEncodings(int32_t * pCount)148 getAllEncodings(int32_t *pCount) {
149 return getEncodings(0, 1, gCountAvailable, pCount);
150 }
151
152 typedef const char **GetEncodingsFn(int32_t *);
153
154 static GetEncodingsFn *const getEncodingsFns[] = {
155 getOneEncoding,
156 getFirstEvenEncodings,
157 getMiddleEncodings,
158 getLastEncodings,
159 getSomeEncodings,
160 getEveryThirdEncoding,
161 getAllEncodings
162 };
163
fopenOrError(const char * filename)164 static FILE *fopenOrError(const char *filename) {
165 int32_t needLen;
166 FILE *f;
167 char fnbuf[FILENAME_BUFFER];
168 const char* directory= ctest_dataSrcDir();
169 needLen = uprv_strlen(directory)+uprv_strlen(TDSRCPATH)+uprv_strlen(filename)+1;
170 if(needLen > FILENAME_BUFFER) {
171 log_err("FAIL: Could not load %s. Filename buffer overflow, needed %d but buffer is %d\n",
172 filename, needLen, FILENAME_BUFFER);
173 return NULL;
174 }
175
176 strcpy(fnbuf, directory);
177 strcat(fnbuf, TDSRCPATH);
178 strcat(fnbuf, filename);
179
180 f = fopen(fnbuf, "rb");
181
182 if(f == NULL) {
183 log_data_err("FAIL: Could not load %s [%s]\n", fnbuf, filename);
184 }
185 return f;
186 }
187
188 typedef struct TestText {
189 char *text, *textLimit;
190 char *limit;
191 int32_t number;
192 } TestText;
193
194 static void
text_reset(TestText * tt)195 text_reset(TestText *tt) {
196 tt->limit = tt->text;
197 tt->number = 0;
198 }
199
200 static char *
text_nextString(TestText * tt,int32_t * pLength)201 text_nextString(TestText *tt, int32_t *pLength) {
202 char *s = tt->limit;
203 if (s == tt->textLimit) {
204 /* we already delivered the last string */
205 return NULL;
206 } else if (s == tt->text) {
207 /* first string */
208 if ((tt->textLimit - tt->text) >= 3 &&
209 s[0] == (char)0xef && s[1] == (char)0xbb && s[2] == (char)0xbf
210 ) {
211 s += 3; /* skip the UTF-8 signature byte sequence (U+FEFF) */
212 }
213 } else {
214 /* skip the string terminator */
215 ++s;
216 ++tt->number;
217 }
218
219 /* find the end of this string */
220 tt->limit = uprv_strchr(s, 0);
221 *pLength = (int32_t)(tt->limit - s);
222 return s;
223 }
224
225 static UBool
text_open(TestText * tt)226 text_open(TestText *tt) {
227 FILE *f;
228 char *s;
229 int32_t length;
230 uprv_memset(tt, 0, sizeof(TestText));
231 f = fopenOrError("ConverterSelectorTestUTF8.txt");
232 if(!f) {
233 return FALSE;
234 }
235 fseek(f, 0, SEEK_END);
236 length = (int32_t)ftell(f);
237 fseek(f, 0, SEEK_SET);
238 tt->text = (char *)uprv_malloc(length + 1);
239 if (tt->text == NULL) {
240 fclose(f);
241 return FALSE;
242 }
243 if (length != fread(tt->text, 1, length, f)) {
244 log_err("error reading %ld bytes from test text file\n", (long)length);
245 length = 0;
246 uprv_free(tt->text);
247 }
248 fclose(f);
249 tt->textLimit = tt->text + length;
250 *tt->textLimit = 0;
251 /* replace all Unicode '#' (U+0023) with NUL */
252 for(s = tt->text; (s = uprv_strchr(s, 0x23)) != NULL; *s++ = 0) {}
253 text_reset(tt);
254 return TRUE;
255 }
256
257 static void
text_close(TestText * tt)258 text_close(TestText *tt) {
259 uprv_free(tt->text);
260 }
261
findIndex(const char * converterName)262 static int32_t findIndex(const char* converterName) {
263 int32_t i;
264 for (i = 0 ; i < gCountAvailable; i++) {
265 if(ucnv_compareNames(gAvailableNames[i], converterName) == 0) {
266 return i;
267 }
268 }
269 return -1;
270 }
271
272 static UBool *
getResultsManually(const char ** encodings,int32_t num_encodings,const char * utf8,int32_t length,const USet * excludedCodePoints,const UConverterUnicodeSet whichSet)273 getResultsManually(const char** encodings, int32_t num_encodings,
274 const char *utf8, int32_t length,
275 const USet* excludedCodePoints, const UConverterUnicodeSet whichSet) {
276 UBool* resultsManually;
277 int32_t i;
278
279 resultsManually = (UBool*) uprv_malloc(gCountAvailable);
280 uprv_memset(resultsManually, 0, gCountAvailable);
281
282 for(i = 0 ; i < num_encodings ; i++) {
283 UErrorCode status = U_ZERO_ERROR;
284 /* get unicode set for that converter */
285 USet* set;
286 UConverter* test_converter;
287 UChar32 cp;
288 int32_t encIndex, offset;
289
290 set = uset_openEmpty();
291 test_converter = ucnv_open(encodings[i], &status);
292 ucnv_getUnicodeSet(test_converter, set,
293 whichSet, &status);
294 if (excludedCodePoints != NULL) {
295 uset_addAll(set, excludedCodePoints);
296 }
297 uset_freeze(set);
298 offset = 0;
299 cp = 0;
300
301 encIndex = findIndex(encodings[i]);
302 /*
303 * The following is almost, but not entirely, the same as
304 * resultsManually[encIndex] =
305 * (UBool)(uset_spanUTF8(set, utf8, length, USET_SPAN_SIMPLE) == length);
306 * They might be different if the set contains strings,
307 * or if the utf8 string contains an illegal sequence.
308 *
309 * The UConverterSelector does not currently handle strings that can be
310 * converted, and it treats an illegal sequence as convertible
311 * while uset_spanUTF8() treats it like U+FFFD which may not be convertible.
312 */
313 resultsManually[encIndex] = TRUE;
314 while(offset<length) {
315 U8_NEXT(utf8, offset, length, cp);
316 if (cp >= 0 && !uset_contains(set, cp)) {
317 resultsManually[encIndex] = FALSE;
318 break;
319 }
320 }
321 uset_close(set);
322 ucnv_close(test_converter);
323 }
324 return resultsManually;
325 }
326
327 /* closes res but does not free resultsManually */
verifyResult(UEnumeration * res,const UBool * resultsManually)328 static void verifyResult(UEnumeration* res, const UBool *resultsManually) {
329 UBool* resultsFromSystem = (UBool*) uprv_malloc(gCountAvailable * sizeof(UBool));
330 const char* name;
331 UErrorCode status = U_ZERO_ERROR;
332 int32_t i;
333
334 /* fill the bool for the selector results! */
335 uprv_memset(resultsFromSystem, 0, gCountAvailable);
336 while ((name = uenum_next(res,NULL, &status)) != NULL) {
337 resultsFromSystem[findIndex(name)] = TRUE;
338 }
339 for(i = 0 ; i < gCountAvailable; i++) {
340 if(resultsManually[i] != resultsFromSystem[i]) {
341 log_err("failure in converter selector\n"
342 "converter %s had conflicting results -- manual: %d, system %d\n",
343 gAvailableNames[i], resultsManually[i], resultsFromSystem[i]);
344 }
345 }
346 uprv_free(resultsFromSystem);
347 uenum_close(res);
348 }
349
350 static UConverterSelector *
serializeAndUnserialize(UConverterSelector * sel,char ** buffer,UErrorCode * status)351 serializeAndUnserialize(UConverterSelector *sel, char **buffer, UErrorCode *status) {
352 char *new_buffer;
353 int32_t ser_len, ser_len2;
354 /* preflight */
355 ser_len = ucnvsel_serialize(sel, NULL, 0, status);
356 if (*status != U_BUFFER_OVERFLOW_ERROR) {
357 log_err("ucnvsel_serialize(preflighting) failed: %s\n", u_errorName(*status));
358 return sel;
359 }
360 new_buffer = (char *)uprv_malloc(ser_len);
361 *status = U_ZERO_ERROR;
362 ser_len2 = ucnvsel_serialize(sel, new_buffer, ser_len, status);
363 if (U_FAILURE(*status) || ser_len != ser_len2) {
364 log_err("ucnvsel_serialize() failed: %s\n", u_errorName(*status));
365 uprv_free(new_buffer);
366 return sel;
367 }
368 ucnvsel_close(sel);
369 uprv_free(*buffer);
370 *buffer = new_buffer;
371 sel = ucnvsel_openFromSerialized(new_buffer, ser_len, status);
372 if (U_FAILURE(*status)) {
373 log_err("ucnvsel_openFromSerialized() failed: %s\n", u_errorName(*status));
374 return NULL;
375 }
376 return sel;
377 }
378
TestSelector()379 static void TestSelector()
380 {
381 TestText text;
382 USet* excluded_sets[3] = { NULL };
383 int32_t i, testCaseIdx;
384
385 if (!getAvailableNames()) {
386 return;
387 }
388 if (!text_open(&text)) {
389 releaseAvailableNames();;
390 }
391
392 excluded_sets[0] = uset_openEmpty();
393 for(i = 1 ; i < 3 ; i++) {
394 excluded_sets[i] = uset_open(i*30, i*30+500);
395 }
396
397 for(testCaseIdx = 0; testCaseIdx < UPRV_LENGTHOF(getEncodingsFns); testCaseIdx++)
398 {
399 int32_t excluded_set_id;
400 int32_t num_encodings;
401 const char **encodings = getEncodingsFns[testCaseIdx](&num_encodings);
402 if (getTestOption(QUICK_OPTION) && num_encodings > 25) {
403 uprv_free((void *)encodings);
404 continue;
405 }
406
407 /*
408 * for(excluded_set_id = 0 ; excluded_set_id < 3 ; excluded_set_id++)
409 *
410 * This loop was replaced by the following statement because
411 * the loop made the test run longer without adding to the code coverage.
412 * The handling of the exclusion set is independent of the
413 * set of encodings, so there is no need to test every combination.
414 */
415 excluded_set_id = testCaseIdx % UPRV_LENGTHOF(excluded_sets);
416 {
417 UConverterSelector *sel_rt, *sel_fb;
418 char *buffer_fb = NULL;
419 UErrorCode status = U_ZERO_ERROR;
420 sel_rt = ucnvsel_open(encodings, num_encodings,
421 excluded_sets[excluded_set_id],
422 UCNV_ROUNDTRIP_SET, &status);
423 if (num_encodings == gCountAvailable) {
424 /* test the special "all converters" parameter values */
425 sel_fb = ucnvsel_open(NULL, 0,
426 excluded_sets[excluded_set_id],
427 UCNV_ROUNDTRIP_AND_FALLBACK_SET, &status);
428 } else if (uset_isEmpty(excluded_sets[excluded_set_id])) {
429 /* test that a NULL set gives the same results as an empty set */
430 sel_fb = ucnvsel_open(encodings, num_encodings,
431 NULL,
432 UCNV_ROUNDTRIP_AND_FALLBACK_SET, &status);
433 } else {
434 sel_fb = ucnvsel_open(encodings, num_encodings,
435 excluded_sets[excluded_set_id],
436 UCNV_ROUNDTRIP_AND_FALLBACK_SET, &status);
437 }
438 if (U_FAILURE(status)) {
439 log_err("ucnv_sel_open(encodings %ld) failed - %s\n", testCaseIdx, u_errorName(status));
440 ucnvsel_close(sel_rt);
441 uprv_free((void *)encodings);
442 continue;
443 }
444
445 text_reset(&text);
446 for (;;) {
447 UBool *manual_rt, *manual_fb;
448 static UChar utf16[10000];
449 char *s;
450 int32_t length8, length16;
451
452 s = text_nextString(&text, &length8);
453 if (s == NULL || (getTestOption(QUICK_OPTION) && text.number > 3)) {
454 break;
455 }
456
457 manual_rt = getResultsManually(encodings, num_encodings,
458 s, length8,
459 excluded_sets[excluded_set_id],
460 UCNV_ROUNDTRIP_SET);
461 manual_fb = getResultsManually(encodings, num_encodings,
462 s, length8,
463 excluded_sets[excluded_set_id],
464 UCNV_ROUNDTRIP_AND_FALLBACK_SET);
465 /* UTF-8 with length */
466 status = U_ZERO_ERROR;
467 verifyResult(ucnvsel_selectForUTF8(sel_rt, s, length8, &status), manual_rt);
468 verifyResult(ucnvsel_selectForUTF8(sel_fb, s, length8, &status), manual_fb);
469 /* UTF-8 NUL-terminated */
470 verifyResult(ucnvsel_selectForUTF8(sel_rt, s, -1, &status), manual_rt);
471 verifyResult(ucnvsel_selectForUTF8(sel_fb, s, -1, &status), manual_fb);
472
473 u_strFromUTF8(utf16, UPRV_LENGTHOF(utf16), &length16, s, length8, &status);
474 if (U_FAILURE(status)) {
475 log_err("error converting the test text (string %ld) to UTF-16 - %s\n",
476 (long)text.number, u_errorName(status));
477 } else {
478 if (text.number == 0) {
479 sel_fb = serializeAndUnserialize(sel_fb, &buffer_fb, &status);
480 }
481 if (U_SUCCESS(status)) {
482 /* UTF-16 with length */
483 verifyResult(ucnvsel_selectForString(sel_rt, utf16, length16, &status), manual_rt);
484 verifyResult(ucnvsel_selectForString(sel_fb, utf16, length16, &status), manual_fb);
485 /* UTF-16 NUL-terminated */
486 verifyResult(ucnvsel_selectForString(sel_rt, utf16, -1, &status), manual_rt);
487 verifyResult(ucnvsel_selectForString(sel_fb, utf16, -1, &status), manual_fb);
488 }
489 }
490
491 uprv_free(manual_rt);
492 uprv_free(manual_fb);
493 }
494 ucnvsel_close(sel_rt);
495 ucnvsel_close(sel_fb);
496 uprv_free(buffer_fb);
497 }
498 uprv_free((void *)encodings);
499 }
500
501 releaseAvailableNames();
502 text_close(&text);
503 for(i = 0 ; i < 3 ; i++) {
504 uset_close(excluded_sets[i]);
505 }
506 }
507
508 /* Improve code coverage of UPropsVectors */
TestUPropsVector()509 static void TestUPropsVector() {
510 UErrorCode errorCode = U_ILLEGAL_ARGUMENT_ERROR;
511 UPropsVectors *pv = upvec_open(100, &errorCode);
512 if (pv != NULL) {
513 log_err("Should have returned NULL if UErrorCode is an error.");
514 return;
515 }
516 errorCode = U_ZERO_ERROR;
517 pv = upvec_open(-1, &errorCode);
518 if (pv != NULL || U_SUCCESS(errorCode)) {
519 log_err("Should have returned NULL if column is less than 0.\n");
520 return;
521 }
522 errorCode = U_ZERO_ERROR;
523 pv = upvec_open(100, &errorCode);
524 if (pv == NULL || U_FAILURE(errorCode)) {
525 log_err("Unable to open UPropsVectors.\n");
526 return;
527 }
528
529 if (upvec_getValue(pv, 0, 1) != 0) {
530 log_err("upvec_getValue should return 0.\n");
531 }
532 if (upvec_getRow(pv, 0, NULL, NULL) == NULL) {
533 log_err("upvec_getRow should not return NULL.\n");
534 }
535 if (upvec_getArray(pv, NULL, NULL) != NULL) {
536 log_err("upvec_getArray should return NULL.\n");
537 }
538
539 upvec_close(pv);
540 }
541