1 /*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <gtest/gtest.h>
18
19 #include <errno.h>
20 #include <limits.h>
21 #include <locale.h>
22 #include <stdint.h>
23 #include <wchar.h>
24
25 #define NUM_WCHARS(num_bytes) (num_bytes/sizeof(wchar_t))
26
TEST(wchar,sizeof_wchar_t)27 TEST(wchar, sizeof_wchar_t) {
28 EXPECT_EQ(4U, sizeof(wchar_t));
29 EXPECT_EQ(4U, sizeof(wint_t));
30 }
31
TEST(wchar,mbrlen)32 TEST(wchar, mbrlen) {
33 char bytes[] = { 'h', 'e', 'l', 'l', 'o', '\0' };
34 EXPECT_EQ(0U, mbrlen(&bytes[0], 0, NULL));
35 EXPECT_EQ(1U, mbrlen(&bytes[0], 1, NULL));
36
37 EXPECT_EQ(1U, mbrlen(&bytes[4], 1, NULL));
38 EXPECT_EQ(0U, mbrlen(&bytes[5], 1, NULL));
39 }
40
TEST(wchar,wctomb_wcrtomb)41 TEST(wchar, wctomb_wcrtomb) {
42 // wctomb and wcrtomb behave differently when s == NULL.
43 EXPECT_EQ(0, wctomb(NULL, L'h'));
44 EXPECT_EQ(0, wctomb(NULL, L'\0'));
45 EXPECT_EQ(1U, wcrtomb(NULL, L'\0', NULL));
46 EXPECT_EQ(1U, wcrtomb(NULL, L'h', NULL));
47
48 char bytes[MB_LEN_MAX];
49
50 // wctomb and wcrtomb behave similarly for the null wide character.
51 EXPECT_EQ(1, wctomb(bytes, L'\0'));
52 EXPECT_EQ(1U, wcrtomb(bytes, L'\0', NULL));
53
54 // ...and for regular characters.
55 memset(bytes, 0, sizeof(bytes));
56 EXPECT_EQ(1, wctomb(bytes, L'h'));
57 EXPECT_EQ('h', bytes[0]);
58 memset(bytes, 0, sizeof(bytes));
59 EXPECT_EQ(1U, wcrtomb(bytes, L'h', NULL));
60 EXPECT_EQ('h', bytes[0]);
61
62 ASSERT_STREQ("C.UTF-8", setlocale(LC_CTYPE, "C.UTF-8"));
63 uselocale(LC_GLOBAL_LOCALE);
64
65 // 1-byte UTF-8.
66 memset(bytes, 0, sizeof(bytes));
67 EXPECT_EQ(1U, wcrtomb(bytes, L'h', NULL));
68 EXPECT_EQ('h', bytes[0]);
69 // 2-byte UTF-8.
70 memset(bytes, 0, sizeof(bytes));
71 EXPECT_EQ(2U, wcrtomb(bytes, 0x00a2, NULL));
72 EXPECT_EQ('\xc2', bytes[0]);
73 EXPECT_EQ('\xa2', bytes[1]);
74 // 3-byte UTF-8.
75 memset(bytes, 0, sizeof(bytes));
76 EXPECT_EQ(3U, wcrtomb(bytes, 0x20ac, NULL));
77 EXPECT_EQ('\xe2', bytes[0]);
78 EXPECT_EQ('\x82', bytes[1]);
79 EXPECT_EQ('\xac', bytes[2]);
80 // 4-byte UTF-8.
81 memset(bytes, 0, sizeof(bytes));
82 EXPECT_EQ(4U, wcrtomb(bytes, 0x24b62, NULL));
83 EXPECT_EQ('\xf0', bytes[0]);
84 EXPECT_EQ('\xa4', bytes[1]);
85 EXPECT_EQ('\xad', bytes[2]);
86 EXPECT_EQ('\xa2', bytes[3]);
87 // Invalid code point.
88 EXPECT_EQ(static_cast<size_t>(-1), wcrtomb(bytes, 0xffffffff, NULL));
89 EXPECT_EQ(EILSEQ, errno);
90 }
91
TEST(wchar,wcrtomb_start_state)92 TEST(wchar, wcrtomb_start_state) {
93 char out[MB_LEN_MAX];
94 mbstate_t ps;
95
96 // Any non-initial state is invalid when calling wcrtomb.
97 memset(&ps, 0, sizeof(ps));
98 EXPECT_EQ(static_cast<size_t>(-2), mbrtowc(NULL, "\xc2", 1, &ps));
99 EXPECT_EQ(static_cast<size_t>(-1), wcrtomb(out, 0x00a2, &ps));
100 EXPECT_EQ(EILSEQ, errno);
101
102 // If the first argument to wcrtomb is NULL or the second is L'\0' the shift
103 // state should be reset.
104 memset(&ps, 0, sizeof(ps));
105 EXPECT_EQ(static_cast<size_t>(-2), mbrtowc(NULL, "\xc2", 1, &ps));
106 EXPECT_EQ(1U, wcrtomb(NULL, 0x00a2, &ps));
107 EXPECT_TRUE(mbsinit(&ps));
108
109 memset(&ps, 0, sizeof(ps));
110 EXPECT_EQ(static_cast<size_t>(-2), mbrtowc(NULL, "\xf0\xa4", 1, &ps));
111 EXPECT_EQ(1U, wcrtomb(out, L'\0', &ps));
112 EXPECT_TRUE(mbsinit(&ps));
113 }
114
TEST(wchar,wcstombs_wcrtombs)115 TEST(wchar, wcstombs_wcrtombs) {
116 const wchar_t chars[] = { L'h', L'e', L'l', L'l', L'o', 0 };
117 const wchar_t bad_chars[] = { L'h', L'i', static_cast<wchar_t>(0xffffffff), 0 };
118 const wchar_t* src;
119 char bytes[BUFSIZ];
120
121 // Given a NULL destination, these functions count valid characters.
122 EXPECT_EQ(5U, wcstombs(NULL, chars, 0));
123 EXPECT_EQ(5U, wcstombs(NULL, chars, 4));
124 EXPECT_EQ(5U, wcstombs(NULL, chars, 256));
125 src = chars;
126 EXPECT_EQ(5U, wcsrtombs(NULL, &src, 0, NULL));
127 EXPECT_EQ(&chars[0], src);
128 src = chars;
129 EXPECT_EQ(5U, wcsrtombs(NULL, &src, 4, NULL));
130 EXPECT_EQ(&chars[0], src);
131 src = chars;
132 EXPECT_EQ(5U, wcsrtombs(NULL, &src, 256, NULL));
133 EXPECT_EQ(&chars[0], src);
134
135 // An unrepresentable char just returns an error from wcstombs...
136 errno = 0;
137 EXPECT_EQ(static_cast<size_t>(-1), wcstombs(NULL, bad_chars, 0));
138 EXPECT_EQ(EILSEQ, errno);
139 errno = 0;
140 EXPECT_EQ(static_cast<size_t>(-1), wcstombs(NULL, bad_chars, 256));
141 EXPECT_EQ(EILSEQ, errno);
142
143 // And wcsrtombs doesn't tell us where it got stuck because we didn't ask it
144 // to actually convert anything...
145 errno = 0;
146 src = bad_chars;
147 EXPECT_EQ(static_cast<size_t>(-1), wcsrtombs(NULL, &src, 0, NULL));
148 EXPECT_EQ(&bad_chars[0], src);
149 EXPECT_EQ(EILSEQ, errno);
150 errno = 0;
151 src = bad_chars;
152 EXPECT_EQ(static_cast<size_t>(-1), wcsrtombs(NULL, &src, 256, NULL));
153 EXPECT_EQ(&bad_chars[0], src);
154 EXPECT_EQ(EILSEQ, errno);
155
156 // Okay, now let's test actually converting something...
157 memset(bytes, 'x', sizeof(bytes));
158 EXPECT_EQ(0U, wcstombs(bytes, chars, 0));
159 memset(bytes, 'x', sizeof(bytes));
160 EXPECT_EQ(4U, wcstombs(bytes, chars, 4));
161 bytes[5] = 0;
162 EXPECT_STREQ("hellx", bytes);
163 memset(bytes, 'x', sizeof(bytes));
164 EXPECT_EQ(5U, wcstombs(bytes, chars, 256));
165 EXPECT_STREQ("hello", bytes);
166 memset(bytes, 'x', sizeof(bytes));
167 EXPECT_EQ(5U, wcstombs(bytes, chars, 6));
168 EXPECT_STREQ("hello", bytes);
169 errno = 0;
170 memset(bytes, 'x', sizeof(bytes));
171 EXPECT_EQ(static_cast<size_t>(-1), wcstombs(bytes, bad_chars, 256));
172 EXPECT_EQ(EILSEQ, errno);
173 bytes[3] = 0;
174 EXPECT_STREQ("hix", bytes);
175
176 // wcsrtombs is a bit more informative...
177 memset(bytes, 'x', sizeof(bytes));
178 src = chars;
179 EXPECT_EQ(0U, wcsrtombs(bytes, &src, 0, NULL));
180 EXPECT_EQ(&chars[0], src); // No input consumed.
181 EXPECT_EQ(EILSEQ, errno);
182
183 memset(bytes, 'x', sizeof(bytes));
184 src = chars;
185 EXPECT_EQ(4U, wcsrtombs(bytes, &src, 4, NULL));
186 EXPECT_EQ(&chars[4], src); // Some input consumed.
187 EXPECT_EQ(EILSEQ, errno);
188 bytes[5] = 0;
189 EXPECT_STREQ("hellx", bytes);
190
191 memset(bytes, 'x', sizeof(bytes));
192 src = chars;
193 EXPECT_EQ(5U, wcsrtombs(bytes, &src, 256, NULL));
194 EXPECT_EQ(NULL, src); // All input consumed!
195 EXPECT_EQ(EILSEQ, errno);
196 EXPECT_STREQ("hello", bytes);
197
198 memset(bytes, 'x', sizeof(bytes));
199 src = chars;
200 EXPECT_EQ(5U, wcsrtombs(bytes, &src, 6, NULL));
201 EXPECT_EQ(NULL, src); // All input consumed.
202 EXPECT_EQ(EILSEQ, errno);
203 EXPECT_STREQ("hello", bytes);
204
205 memset(bytes, 'x', sizeof(bytes));
206 src = bad_chars;
207 EXPECT_EQ(static_cast<size_t>(-1), wcsrtombs(bytes, &src, 256, NULL));
208 EXPECT_EQ(&bad_chars[2], src);
209 EXPECT_EQ(EILSEQ, errno);
210 bytes[3] = 0;
211 EXPECT_STREQ("hix", bytes);
212
213 // Any non-initial state is invalid when calling wcsrtombs.
214 mbstate_t ps;
215 src = chars;
216 memset(&ps, 0, sizeof(ps));
217 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(NULL, "\xc2", 1, &ps));
218 EXPECT_EQ(static_cast<size_t>(-1), wcsrtombs(NULL, &src, 0, &ps));
219 EXPECT_EQ(EILSEQ, errno);
220 }
221
TEST(wchar,limits)222 TEST(wchar, limits) {
223 ASSERT_LT(WCHAR_MIN, WCHAR_MAX);
224 }
225
TEST(wchar,wcsstr)226 TEST(wchar, wcsstr) {
227 const wchar_t* haystack = L"matches hello world, not the second hello world";
228 const wchar_t* empty_needle = L"";
229 const wchar_t* good_needle = L"ll";
230 const wchar_t* bad_needle = L"wort";
231
232 ASSERT_EQ(haystack, wcsstr(haystack, empty_needle));
233 ASSERT_EQ(&haystack[10], wcsstr(haystack, good_needle));
234 ASSERT_EQ(NULL, wcsstr(haystack, bad_needle));
235 }
236
TEST(wchar,wcsstr_80199)237 TEST(wchar, wcsstr_80199) {
238 // https://code.google.com/p/android/issues/detail?id=80199
239 ASSERT_TRUE(wcsstr(L"romrom", L"rom") != NULL);
240 }
241
TEST(wchar,mbtowc)242 TEST(wchar, mbtowc) {
243 wchar_t out[8];
244
245 out[0] = 'x';
246 ASSERT_EQ(0, mbtowc(out, "hello", 0));
247 ASSERT_EQ('x', out[0]);
248
249 ASSERT_EQ(0, mbtowc(out, "hello", 0));
250 ASSERT_EQ(0, mbtowc(out, "", 0));
251 ASSERT_EQ(1, mbtowc(out, "hello", 1));
252 ASSERT_EQ(L'h', out[0]);
253
254 ASSERT_EQ(0, mbtowc(NULL, "hello", 0));
255 ASSERT_EQ(0, mbtowc(NULL, "", 0));
256 ASSERT_EQ(1, mbtowc(NULL, "hello", 1));
257
258 ASSERT_EQ(0, mbtowc(NULL, NULL, 0));
259 }
260
TEST(wchar,mbrtowc)261 TEST(wchar, mbrtowc) {
262 wchar_t out[8];
263
264 out[0] = 'x';
265 ASSERT_EQ(0U, mbrtowc(out, "hello", 0, NULL));
266 ASSERT_EQ('x', out[0]);
267
268 ASSERT_EQ(0U, mbrtowc(out, "hello", 0, NULL));
269 ASSERT_EQ(0U, mbrtowc(out, "", 0, NULL));
270 ASSERT_EQ(1U, mbrtowc(out, "hello", 1, NULL));
271 ASSERT_EQ(L'h', out[0]);
272
273 ASSERT_EQ(0U, mbrtowc(NULL, "hello", 0, NULL));
274 ASSERT_EQ(0U, mbrtowc(NULL, "", 0, NULL));
275 ASSERT_EQ(1U, mbrtowc(NULL, "hello", 1, NULL));
276
277 ASSERT_EQ(0U, mbrtowc(NULL, NULL, 0, NULL));
278
279 ASSERT_STREQ("C.UTF-8", setlocale(LC_CTYPE, "C.UTF-8"));
280 uselocale(LC_GLOBAL_LOCALE);
281
282 // 1-byte UTF-8.
283 ASSERT_EQ(1U, mbrtowc(out, "abcdef", 6, NULL));
284 ASSERT_EQ(L'a', out[0]);
285 // 2-byte UTF-8.
286 ASSERT_EQ(2U, mbrtowc(out, "\xc2\xa2" "cdef", 6, NULL));
287 ASSERT_EQ(static_cast<wchar_t>(0x00a2), out[0]);
288 // 3-byte UTF-8.
289 ASSERT_EQ(3U, mbrtowc(out, "\xe2\x82\xac" "def", 6, NULL));
290 ASSERT_EQ(static_cast<wchar_t>(0x20ac), out[0]);
291 // 4-byte UTF-8.
292 ASSERT_EQ(4U, mbrtowc(out, "\xf0\xa4\xad\xa2" "ef", 6, NULL));
293 ASSERT_EQ(static_cast<wchar_t>(0x24b62), out[0]);
294 #if defined(__BIONIC__) // glibc allows this.
295 // Illegal 5-byte UTF-8.
296 ASSERT_EQ(static_cast<size_t>(-1), mbrtowc(out, "\xf8\xa1\xa2\xa3\xa4" "f", 6, NULL));
297 ASSERT_EQ(EILSEQ, errno);
298 #endif
299 // Illegal over-long sequence.
300 ASSERT_EQ(static_cast<size_t>(-1), mbrtowc(out, "\xf0\x82\x82\xac" "ef", 6, NULL));
301 ASSERT_EQ(EILSEQ, errno);
302 }
303
test_mbrtowc_incomplete(mbstate_t * ps)304 void test_mbrtowc_incomplete(mbstate_t* ps) {
305 ASSERT_STREQ("C.UTF-8", setlocale(LC_CTYPE, "C.UTF-8"));
306 uselocale(LC_GLOBAL_LOCALE);
307
308 wchar_t out;
309 // 2-byte UTF-8.
310 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xc2", 1, ps));
311 ASSERT_EQ(1U, mbrtowc(&out, "\xa2" "cdef", 5, ps));
312 ASSERT_EQ(static_cast<wchar_t>(0x00a2), out);
313 ASSERT_TRUE(mbsinit(ps));
314 // 3-byte UTF-8.
315 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xe2", 1, ps));
316 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\x82", 1, ps));
317 ASSERT_EQ(1U, mbrtowc(&out, "\xac" "def", 4, ps));
318 ASSERT_EQ(static_cast<wchar_t>(0x20ac), out);
319 ASSERT_TRUE(mbsinit(ps));
320 // 4-byte UTF-8.
321 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xf0", 1, ps));
322 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xa4\xad", 2, ps));
323 ASSERT_EQ(1U, mbrtowc(&out, "\xa2" "ef", 3, ps));
324 ASSERT_EQ(static_cast<wchar_t>(0x24b62), out);
325 ASSERT_TRUE(mbsinit(ps));
326
327 // Invalid 2-byte
328 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xc2", 1, ps));
329 ASSERT_EQ(static_cast<size_t>(-1), mbrtowc(&out, "\x20" "cdef", 5, ps));
330 ASSERT_EQ(EILSEQ, errno);
331 }
332
TEST(wchar,mbrtowc_incomplete)333 TEST(wchar, mbrtowc_incomplete) {
334 mbstate_t ps;
335 memset(&ps, 0, sizeof(ps));
336
337 test_mbrtowc_incomplete(&ps);
338 test_mbrtowc_incomplete(NULL);
339 }
340
test_mbsrtowcs(mbstate_t * ps)341 void test_mbsrtowcs(mbstate_t* ps) {
342 wchar_t out[4];
343
344 const char* valid = "A" "\xc2\xa2" "\xe2\x82\xac" "\xf0\xa4\xad\xa2" "ef";
345 ASSERT_EQ(4U, mbsrtowcs(out, &valid, 4, ps));
346 ASSERT_EQ(L'A', out[0]);
347 ASSERT_EQ(static_cast<wchar_t>(0x00a2), out[1]);
348 ASSERT_EQ(static_cast<wchar_t>(0x20ac), out[2]);
349 ASSERT_EQ(static_cast<wchar_t>(0x24b62), out[3]);
350 // Check that valid has advanced to the next unread character.
351 ASSERT_EQ('e', *valid);
352
353 wmemset(out, L'x', NUM_WCHARS(sizeof(out)));
354 ASSERT_EQ(2U, mbsrtowcs(out, &valid, 4, ps));
355 ASSERT_EQ(L'e', out[0]);
356 ASSERT_EQ(L'f', out[1]);
357 ASSERT_EQ(L'\0', out[2]);
358 // Check that we didn't clobber the rest of out.
359 ASSERT_EQ(L'x', out[3]);
360 // Check that valid has advanced to the end of the string.
361 ASSERT_EQ(nullptr, valid);
362
363 const char* invalid = "A" "\xc2\x20" "ef";
364 ASSERT_EQ(static_cast<size_t>(-1), mbsrtowcs(out, &invalid, 4, ps));
365 EXPECT_EQ(EILSEQ, errno);
366 ASSERT_EQ('\xc2', *invalid);
367
368 const char* incomplete = "A" "\xc2";
369 ASSERT_EQ(static_cast<size_t>(-1), mbsrtowcs(out, &incomplete, 2, ps));
370 EXPECT_EQ(EILSEQ, errno);
371 ASSERT_EQ('\xc2', *incomplete);
372 }
373
TEST(wchar,mbsrtowcs)374 TEST(wchar, mbsrtowcs) {
375 ASSERT_STREQ("C.UTF-8", setlocale(LC_CTYPE, "C.UTF-8"));
376 uselocale(LC_GLOBAL_LOCALE);
377
378 mbstate_t ps;
379 memset(&ps, 0, sizeof(ps));
380 test_mbsrtowcs(&ps);
381 test_mbsrtowcs(NULL);
382
383 // Invalid multi byte continuation.
384 const char* invalid = "\x20";
385 wchar_t out;
386 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xc2", 1, &ps));
387 ASSERT_EQ(static_cast<size_t>(-1), mbsrtowcs(&out, &invalid, 1, &ps));
388 EXPECT_EQ(EILSEQ, errno);
389 ASSERT_EQ('\x20', *invalid);
390 }
391
TEST(wchar,wcstod)392 TEST(wchar, wcstod) {
393 ASSERT_DOUBLE_EQ(1.23, wcstod(L"1.23", NULL));
394 }
395
TEST(wchar,wcstof)396 TEST(wchar, wcstof) {
397 ASSERT_FLOAT_EQ(1.23f, wcstof(L"1.23", NULL));
398 }
399
TEST(wchar,wcstol)400 TEST(wchar, wcstol) {
401 ASSERT_EQ(123L, wcstol(L"123", NULL, 0));
402 }
403
TEST(wchar,wcstoll)404 TEST(wchar, wcstoll) {
405 ASSERT_EQ(123LL, wcstol(L"123", NULL, 0));
406 }
407
TEST(wchar,wcstold)408 TEST(wchar, wcstold) {
409 ASSERT_DOUBLE_EQ(1.23L, wcstold(L"1.23", NULL));
410 }
411
TEST(wchar,wcstoul)412 TEST(wchar, wcstoul) {
413 ASSERT_EQ(123UL, wcstoul(L"123", NULL, 0));
414 }
415
TEST(wchar,wcstoull)416 TEST(wchar, wcstoull) {
417 ASSERT_EQ(123ULL, wcstoul(L"123", NULL, 0));
418 }
419
TEST(wchar,mbsnrtowcs)420 TEST(wchar, mbsnrtowcs) {
421 wchar_t dst[128];
422 const char* s = "hello, world!";
423 const char* src;
424
425 memset(dst, 0, sizeof(dst));
426 src = s;
427 ASSERT_EQ(0U, mbsnrtowcs(dst, &src, 0, 0, NULL));
428
429 memset(dst, 0, sizeof(dst));
430 src = s;
431 ASSERT_EQ(2U, mbsnrtowcs(dst, &src, 2, 123, NULL)); // glibc chokes on SIZE_MAX here.
432 ASSERT_EQ(L'h', dst[0]);
433 ASSERT_EQ(L'e', dst[1]);
434 ASSERT_EQ(&s[2], src);
435
436 memset(dst, 0, sizeof(dst));
437 src = s;
438 ASSERT_EQ(3U, mbsnrtowcs(dst, &src, SIZE_MAX, 3, NULL));
439 ASSERT_EQ(L'h', dst[0]);
440 ASSERT_EQ(L'e', dst[1]);
441 ASSERT_EQ(L'l', dst[2]);
442 ASSERT_EQ(&s[3], src);
443 }
444
TEST(wchar,wcsftime)445 TEST(wchar, wcsftime) {
446 setenv("TZ", "UTC", 1);
447
448 struct tm t;
449 memset(&t, 0, sizeof(tm));
450 t.tm_year = 200;
451 t.tm_mon = 2;
452 t.tm_mday = 10;
453
454 wchar_t buf[64];
455
456 EXPECT_EQ(24U, wcsftime(buf, sizeof(buf), L"%c", &t));
457 EXPECT_STREQ(L"Sun Mar 10 00:00:00 2100", buf);
458 }
459
TEST(wchar,wmemmove_smoke)460 TEST(wchar, wmemmove_smoke) {
461 const wchar_t const_wstr[] = L"This is a test of something or other.....";
462 wchar_t wstr[NUM_WCHARS(sizeof(const_wstr))];
463
464 EXPECT_EQ(wstr, wmemmove(wstr, const_wstr, NUM_WCHARS(sizeof(const_wstr))));
465 EXPECT_STREQ(const_wstr, wstr);
466
467 EXPECT_EQ(wstr+5, wmemmove(wstr+5, wstr, NUM_WCHARS(sizeof(const_wstr)) - 6));
468 EXPECT_STREQ(L"This This is a test of something or other", wstr);
469 }
470
TEST(wchar,wmemcpy_smoke)471 TEST(wchar, wmemcpy_smoke) {
472 const wchar_t src[] = L"Source string";
473 wchar_t dst[NUM_WCHARS(sizeof(src))];
474
475 EXPECT_EQ(dst, wmemcpy(dst, src, NUM_WCHARS(sizeof(src))));
476 EXPECT_STREQ(dst, src);
477 }
478
TEST(wchar,wcpcpy_smoke)479 TEST(wchar, wcpcpy_smoke) {
480 const wchar_t src[] = L"Source string";
481 wchar_t dst[NUM_WCHARS(sizeof(src))];
482
483 EXPECT_EQ(dst + NUM_WCHARS(sizeof(src)) - 1, wcpcpy(dst, src));
484 EXPECT_STREQ(dst, src);
485 }
486
TEST(wchar,wcpncpy_smoke)487 TEST(wchar, wcpncpy_smoke) {
488 const wchar_t src[] = L"Source string";
489 wchar_t dst[NUM_WCHARS(sizeof(src)) + 5];
490
491 size_t src_len = NUM_WCHARS(sizeof(src)) - 1;
492 EXPECT_EQ(dst + src_len, wcpncpy(dst, src, src_len + 1));
493 EXPECT_STREQ(dst, src);
494
495 EXPECT_EQ(dst + 6, wcpncpy(dst, src, 6));
496 dst[6] = L'\0';
497 EXPECT_STREQ(dst, L"Source");
498
499 wmemset(dst, L'x', NUM_WCHARS(sizeof(dst)));
500 EXPECT_EQ(dst + src_len, wcpncpy(dst, src, src_len + 4));
501 EXPECT_STREQ(dst, src);
502 EXPECT_EQ(dst[src_len], L'\0');
503 EXPECT_EQ(dst[src_len+1], L'\0');
504 EXPECT_EQ(dst[src_len+2], L'\0');
505 EXPECT_EQ(dst[src_len+3], L'\0');
506 EXPECT_EQ(dst[src_len+4], L'x');
507 }
508
TEST(wchar,wcscpy_smoke)509 TEST(wchar, wcscpy_smoke) {
510 const wchar_t src[] = L"Source string";
511 wchar_t dst[NUM_WCHARS(sizeof(src))];
512
513 EXPECT_EQ(dst, wcscpy(dst, src));
514 EXPECT_STREQ(src, dst);
515 }
516
TEST(wchar,wcsncpy_smoke)517 TEST(wchar, wcsncpy_smoke) {
518 const wchar_t src[] = L"Source string";
519 wchar_t dst[NUM_WCHARS(sizeof(src)) + 5];
520
521 size_t src_len = NUM_WCHARS(sizeof(src)) - 1;
522 EXPECT_EQ(dst, wcsncpy(dst, src, src_len + 1));
523 EXPECT_STREQ(dst, src);
524
525 EXPECT_EQ(dst, wcsncpy(dst, src, 6));
526 dst[6] = L'\0';
527 EXPECT_STREQ(dst, L"Source");
528
529 wmemset(dst, L'x', NUM_WCHARS(sizeof(dst)));
530 EXPECT_EQ(dst, wcsncpy(dst, src, src_len + 4));
531 EXPECT_STREQ(dst, src);
532 EXPECT_EQ(dst[src_len], L'\0');
533 EXPECT_EQ(dst[src_len+1], L'\0');
534 EXPECT_EQ(dst[src_len+2], L'\0');
535 EXPECT_EQ(dst[src_len+3], L'\0');
536 EXPECT_EQ(dst[src_len+4], L'x');
537 }
538
TEST(wchar,mbrtowc_15439554)539 TEST(wchar, mbrtowc_15439554) {
540 // http://b/15439554
541 ASSERT_STREQ("C.UTF-8", setlocale(LC_CTYPE, "C.UTF-8"));
542 uselocale(LC_GLOBAL_LOCALE);
543
544 ASSERT_GE(static_cast<size_t>(MB_LEN_MAX), MB_CUR_MAX);
545 ASSERT_GE(MB_CUR_MAX, 4U);
546
547 wchar_t wc;
548 size_t n;
549
550 // 1-byte character.
551 n = mbrtowc(&wc, "x", MB_CUR_MAX, NULL);
552 EXPECT_EQ(1U, n);
553 EXPECT_EQ(L'x', wc);
554 // 2-byte character.
555 n = mbrtowc(&wc, "\xc2\xa2", MB_CUR_MAX, NULL);
556 EXPECT_EQ(2U, n);
557 EXPECT_EQ(L'¢', wc);
558 // 3-byte character.
559 n = mbrtowc(&wc, "\xe2\x82\xac", MB_CUR_MAX, NULL);
560 EXPECT_EQ(3U, n);
561 EXPECT_EQ(L'€', wc);
562 // 4-byte character.
563 n = mbrtowc(&wc, "\xf0\xa4\xad\xa2", MB_CUR_MAX, NULL);
564 EXPECT_EQ(4U, n);
565 EXPECT_EQ(L'', wc);
566 }
567
TEST(wchar,open_wmemstream)568 TEST(wchar, open_wmemstream) {
569 wchar_t* p = nullptr;
570 size_t size = 0;
571 FILE* fp = open_wmemstream(&p, &size);
572 ASSERT_NE(EOF, fputws(L"hello, world!", fp));
573 fclose(fp);
574
575 ASSERT_STREQ(L"hello, world!", p);
576 ASSERT_EQ(wcslen(L"hello, world!"), size);
577 free(p);
578 }
579
TEST(stdio,open_wmemstream_EINVAL)580 TEST(stdio, open_wmemstream_EINVAL) {
581 #if defined(__BIONIC__)
582 wchar_t* p;
583 size_t size;
584
585 // Invalid buffer.
586 errno = 0;
587 ASSERT_EQ(nullptr, open_wmemstream(nullptr, &size));
588 ASSERT_EQ(EINVAL, errno);
589
590 // Invalid size.
591 errno = 0;
592 ASSERT_EQ(nullptr, open_wmemstream(&p, nullptr));
593 ASSERT_EQ(EINVAL, errno);
594 #else
595 GTEST_LOG_(INFO) << "This test does nothing.\n";
596 #endif
597 }
598
TEST(wchar,wcstol_EINVAL)599 TEST(wchar, wcstol_EINVAL) {
600 errno = 0;
601 wcstol(L"123", NULL, -1);
602 ASSERT_EQ(EINVAL, errno);
603 errno = 0;
604 wcstol(L"123", NULL, 1);
605 ASSERT_EQ(EINVAL, errno);
606 errno = 0;
607 wcstol(L"123", NULL, 37);
608 ASSERT_EQ(EINVAL, errno);
609 }
610
TEST(wchar,wcstoll_EINVAL)611 TEST(wchar, wcstoll_EINVAL) {
612 errno = 0;
613 wcstoll(L"123", NULL, -1);
614 ASSERT_EQ(EINVAL, errno);
615 errno = 0;
616 wcstoll(L"123", NULL, 1);
617 ASSERT_EQ(EINVAL, errno);
618 errno = 0;
619 wcstoll(L"123", NULL, 37);
620 ASSERT_EQ(EINVAL, errno);
621 }
622
TEST(wchar,wcstoul_EINVAL)623 TEST(wchar, wcstoul_EINVAL) {
624 errno = 0;
625 wcstoul(L"123", NULL, -1);
626 ASSERT_EQ(EINVAL, errno);
627 errno = 0;
628 wcstoul(L"123", NULL, 1);
629 ASSERT_EQ(EINVAL, errno);
630 errno = 0;
631 wcstoul(L"123", NULL, 37);
632 ASSERT_EQ(EINVAL, errno);
633 }
634
TEST(wchar,wcstoull_EINVAL)635 TEST(wchar, wcstoull_EINVAL) {
636 errno = 0;
637 wcstoull(L"123", NULL, -1);
638 ASSERT_EQ(EINVAL, errno);
639 errno = 0;
640 wcstoull(L"123", NULL, 1);
641 ASSERT_EQ(EINVAL, errno);
642 errno = 0;
643 wcstoull(L"123", NULL, 37);
644 ASSERT_EQ(EINVAL, errno);
645 }
646
TEST(wchar,wcstoll_l_EINVAL)647 TEST(wchar, wcstoll_l_EINVAL) {
648 errno = 0;
649 wcstoll_l(L"123", NULL, -1, LC_GLOBAL_LOCALE);
650 ASSERT_EQ(EINVAL, errno);
651 errno = 0;
652 wcstoll_l(L"123", NULL, 1, LC_GLOBAL_LOCALE);
653 ASSERT_EQ(EINVAL, errno);
654 errno = 0;
655 wcstoll_l(L"123", NULL, 37, LC_GLOBAL_LOCALE);
656 ASSERT_EQ(EINVAL, errno);
657 }
658
TEST(wchar,wcstoull_l_EINVAL)659 TEST(wchar, wcstoull_l_EINVAL) {
660 errno = 0;
661 wcstoull_l(L"123", NULL, -1, LC_GLOBAL_LOCALE);
662 ASSERT_EQ(EINVAL, errno);
663 errno = 0;
664 wcstoull_l(L"123", NULL, 1, LC_GLOBAL_LOCALE);
665 ASSERT_EQ(EINVAL, errno);
666 errno = 0;
667 wcstoull_l(L"123", NULL, 37, LC_GLOBAL_LOCALE);
668 ASSERT_EQ(EINVAL, errno);
669 }
670
TEST(wchar,wmempcpy)671 TEST(wchar, wmempcpy) {
672 wchar_t dst[6];
673 ASSERT_EQ(&dst[4], wmempcpy(dst, L"hello", 4));
674 }
675