2 * Copyright (C) 2014 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 #include <gtest/gtest.h>
25 #include "math_data_test.h"
27 #define NUM_WCHARS(num_bytes) ((num_bytes)/sizeof(wchar_t))
29 TEST(wchar, sizeof_wchar_t) {
30 EXPECT_EQ(4U, sizeof(wchar_t));
31 EXPECT_EQ(4U, sizeof(wint_t));
35 char bytes[] = { 'h', 'e', 'l', 'l', 'o', '\0' };
36 EXPECT_EQ(0U, mbrlen(&bytes[0], 0, NULL));
37 EXPECT_EQ(1U, mbrlen(&bytes[0], 1, NULL));
39 EXPECT_EQ(1U, mbrlen(&bytes[4], 1, NULL));
40 EXPECT_EQ(0U, mbrlen(&bytes[5], 1, NULL));
43 TEST(wchar, wctomb_wcrtomb) {
44 // wctomb and wcrtomb behave differently when s == NULL.
45 EXPECT_EQ(0, wctomb(NULL, L'h'));
46 EXPECT_EQ(0, wctomb(NULL, L'\0'));
47 EXPECT_EQ(1U, wcrtomb(NULL, L'\0', NULL));
48 EXPECT_EQ(1U, wcrtomb(NULL, L'h', NULL));
50 char bytes[MB_LEN_MAX];
52 // wctomb and wcrtomb behave similarly for the null wide character.
53 EXPECT_EQ(1, wctomb(bytes, L'\0'));
54 EXPECT_EQ(1U, wcrtomb(bytes, L'\0', NULL));
56 // ...and for regular characters.
57 memset(bytes, 0, sizeof(bytes));
58 EXPECT_EQ(1, wctomb(bytes, L'h'));
59 EXPECT_EQ('h', bytes[0]);
60 memset(bytes, 0, sizeof(bytes));
61 EXPECT_EQ(1U, wcrtomb(bytes, L'h', NULL));
62 EXPECT_EQ('h', bytes[0]);
64 ASSERT_STREQ("C.UTF-8", setlocale(LC_CTYPE, "C.UTF-8"));
65 uselocale(LC_GLOBAL_LOCALE);
68 memset(bytes, 0, sizeof(bytes));
69 EXPECT_EQ(1U, wcrtomb(bytes, L'h', NULL));
70 EXPECT_EQ('h', bytes[0]);
72 memset(bytes, 0, sizeof(bytes));
73 EXPECT_EQ(2U, wcrtomb(bytes, 0x00a2, NULL));
74 EXPECT_EQ('\xc2', bytes[0]);
75 EXPECT_EQ('\xa2', bytes[1]);
77 memset(bytes, 0, sizeof(bytes));
78 EXPECT_EQ(3U, wcrtomb(bytes, 0x20ac, NULL));
79 EXPECT_EQ('\xe2', bytes[0]);
80 EXPECT_EQ('\x82', bytes[1]);
81 EXPECT_EQ('\xac', bytes[2]);
83 memset(bytes, 0, sizeof(bytes));
84 EXPECT_EQ(4U, wcrtomb(bytes, 0x24b62, NULL));
85 EXPECT_EQ('\xf0', bytes[0]);
86 EXPECT_EQ('\xa4', bytes[1]);
87 EXPECT_EQ('\xad', bytes[2]);
88 EXPECT_EQ('\xa2', bytes[3]);
89 // Invalid code point.
90 EXPECT_EQ(static_cast<size_t>(-1), wcrtomb(bytes, 0xffffffff, NULL));
91 EXPECT_EQ(EILSEQ, errno);
94 TEST(wchar, wcrtomb_start_state) {
98 // Any non-initial state is invalid when calling wcrtomb.
99 memset(&ps, 0, sizeof(ps));
100 EXPECT_EQ(static_cast<size_t>(-2), mbrtowc(NULL, "\xc2", 1, &ps));
101 EXPECT_EQ(static_cast<size_t>(-1), wcrtomb(out, 0x00a2, &ps));
102 EXPECT_EQ(EILSEQ, errno);
104 // If the first argument to wcrtomb is NULL or the second is L'\0' the shift
105 // state should be reset.
106 memset(&ps, 0, sizeof(ps));
107 EXPECT_EQ(static_cast<size_t>(-2), mbrtowc(NULL, "\xc2", 1, &ps));
108 EXPECT_EQ(1U, wcrtomb(NULL, 0x00a2, &ps));
109 EXPECT_TRUE(mbsinit(&ps));
111 memset(&ps, 0, sizeof(ps));
112 EXPECT_EQ(static_cast<size_t>(-2), mbrtowc(NULL, "\xf0\xa4", 1, &ps));
113 EXPECT_EQ(1U, wcrtomb(out, L'\0', &ps));
114 EXPECT_TRUE(mbsinit(&ps));
117 TEST(wchar, wcstombs_wcrtombs) {
118 const wchar_t chars[] = { L'h', L'e', L'l', L'l', L'o', 0 };
119 const wchar_t bad_chars[] = { L'h', L'i', static_cast<wchar_t>(0xffffffff), 0 };
123 // Given a NULL destination, these functions count valid characters.
124 EXPECT_EQ(5U, wcstombs(NULL, chars, 0));
125 EXPECT_EQ(5U, wcstombs(NULL, chars, 4));
126 EXPECT_EQ(5U, wcstombs(NULL, chars, 256));
128 EXPECT_EQ(5U, wcsrtombs(NULL, &src, 0, NULL));
129 EXPECT_EQ(&chars[0], src);
131 EXPECT_EQ(5U, wcsrtombs(NULL, &src, 4, NULL));
132 EXPECT_EQ(&chars[0], src);
134 EXPECT_EQ(5U, wcsrtombs(NULL, &src, 256, NULL));
135 EXPECT_EQ(&chars[0], src);
137 // An unrepresentable char just returns an error from wcstombs...
139 EXPECT_EQ(static_cast<size_t>(-1), wcstombs(NULL, bad_chars, 0));
140 EXPECT_EQ(EILSEQ, errno);
142 EXPECT_EQ(static_cast<size_t>(-1), wcstombs(NULL, bad_chars, 256));
143 EXPECT_EQ(EILSEQ, errno);
145 // And wcsrtombs doesn't tell us where it got stuck because we didn't ask it
146 // to actually convert anything...
149 EXPECT_EQ(static_cast<size_t>(-1), wcsrtombs(NULL, &src, 0, NULL));
150 EXPECT_EQ(&bad_chars[0], src);
151 EXPECT_EQ(EILSEQ, errno);
154 EXPECT_EQ(static_cast<size_t>(-1), wcsrtombs(NULL, &src, 256, NULL));
155 EXPECT_EQ(&bad_chars[0], src);
156 EXPECT_EQ(EILSEQ, errno);
158 // Okay, now let's test actually converting something...
159 memset(bytes, 'x', sizeof(bytes));
160 EXPECT_EQ(0U, wcstombs(bytes, chars, 0));
161 memset(bytes, 'x', sizeof(bytes));
162 EXPECT_EQ(4U, wcstombs(bytes, chars, 4));
164 EXPECT_STREQ("hellx", bytes);
165 memset(bytes, 'x', sizeof(bytes));
166 EXPECT_EQ(5U, wcstombs(bytes, chars, 256));
167 EXPECT_STREQ("hello", bytes);
168 memset(bytes, 'x', sizeof(bytes));
169 EXPECT_EQ(5U, wcstombs(bytes, chars, 6));
170 EXPECT_STREQ("hello", bytes);
172 memset(bytes, 'x', sizeof(bytes));
173 EXPECT_EQ(static_cast<size_t>(-1), wcstombs(bytes, bad_chars, 256));
174 EXPECT_EQ(EILSEQ, errno);
176 EXPECT_STREQ("hix", bytes);
178 // wcsrtombs is a bit more informative...
179 memset(bytes, 'x', sizeof(bytes));
181 EXPECT_EQ(0U, wcsrtombs(bytes, &src, 0, NULL));
182 EXPECT_EQ(&chars[0], src); // No input consumed.
183 EXPECT_EQ(EILSEQ, errno);
185 memset(bytes, 'x', sizeof(bytes));
187 EXPECT_EQ(4U, wcsrtombs(bytes, &src, 4, NULL));
188 EXPECT_EQ(&chars[4], src); // Some input consumed.
189 EXPECT_EQ(EILSEQ, errno);
191 EXPECT_STREQ("hellx", bytes);
193 memset(bytes, 'x', sizeof(bytes));
195 EXPECT_EQ(5U, wcsrtombs(bytes, &src, 256, NULL));
196 EXPECT_EQ(NULL, src); // All input consumed!
197 EXPECT_EQ(EILSEQ, errno);
198 EXPECT_STREQ("hello", bytes);
200 memset(bytes, 'x', sizeof(bytes));
202 EXPECT_EQ(5U, wcsrtombs(bytes, &src, 6, NULL));
203 EXPECT_EQ(NULL, src); // All input consumed.
204 EXPECT_EQ(EILSEQ, errno);
205 EXPECT_STREQ("hello", bytes);
207 memset(bytes, 'x', sizeof(bytes));
209 EXPECT_EQ(static_cast<size_t>(-1), wcsrtombs(bytes, &src, 256, NULL));
210 EXPECT_EQ(&bad_chars[2], src);
211 EXPECT_EQ(EILSEQ, errno);
213 EXPECT_STREQ("hix", bytes);
215 // Any non-initial state is invalid when calling wcsrtombs.
218 memset(&ps, 0, sizeof(ps));
219 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(NULL, "\xc2", 1, &ps));
220 EXPECT_EQ(static_cast<size_t>(-1), wcsrtombs(NULL, &src, 0, &ps));
221 EXPECT_EQ(EILSEQ, errno);
224 TEST(wchar, limits) {
225 ASSERT_LT(WCHAR_MIN, WCHAR_MAX);
228 TEST(wchar, wcsstr) {
229 const wchar_t* haystack = L"matches hello world, not the second hello world";
230 const wchar_t* empty_needle = L"";
231 const wchar_t* good_needle = L"ll";
232 const wchar_t* bad_needle = L"wort";
234 ASSERT_EQ(haystack, wcsstr(haystack, empty_needle));
235 ASSERT_EQ(&haystack[10], wcsstr(haystack, good_needle));
236 ASSERT_EQ(NULL, wcsstr(haystack, bad_needle));
239 TEST(wchar, wcsstr_80199) {
240 // https://code.google.com/p/android/issues/detail?id=80199
241 ASSERT_TRUE(wcsstr(L"romrom", L"rom") != NULL);
244 TEST(wchar, mbtowc) {
248 ASSERT_EQ(0, mbtowc(out, "hello", 0));
249 ASSERT_EQ('x', out[0]);
251 ASSERT_EQ(0, mbtowc(out, "hello", 0));
252 ASSERT_EQ(0, mbtowc(out, "", 0));
253 ASSERT_EQ(1, mbtowc(out, "hello", 1));
254 ASSERT_EQ(L'h', out[0]);
256 ASSERT_EQ(0, mbtowc(NULL, "hello", 0));
257 ASSERT_EQ(0, mbtowc(NULL, "", 0));
258 ASSERT_EQ(1, mbtowc(NULL, "hello", 1));
260 ASSERT_EQ(0, mbtowc(NULL, NULL, 0));
263 TEST(wchar, mbrtowc) {
267 ASSERT_EQ(0U, mbrtowc(out, "hello", 0, NULL));
268 ASSERT_EQ('x', out[0]);
270 ASSERT_EQ(0U, mbrtowc(out, "hello", 0, NULL));
271 ASSERT_EQ(0U, mbrtowc(out, "", 0, NULL));
272 ASSERT_EQ(1U, mbrtowc(out, "hello", 1, NULL));
273 ASSERT_EQ(L'h', out[0]);
275 ASSERT_EQ(0U, mbrtowc(NULL, "hello", 0, NULL));
276 ASSERT_EQ(0U, mbrtowc(NULL, "", 0, NULL));
277 ASSERT_EQ(1U, mbrtowc(NULL, "hello", 1, NULL));
279 ASSERT_EQ(0U, mbrtowc(NULL, NULL, 0, NULL));
281 ASSERT_STREQ("C.UTF-8", setlocale(LC_CTYPE, "C.UTF-8"));
282 uselocale(LC_GLOBAL_LOCALE);
285 ASSERT_EQ(1U, mbrtowc(out, "abcdef", 6, NULL));
286 ASSERT_EQ(L'a', out[0]);
288 ASSERT_EQ(2U, mbrtowc(out, "\xc2\xa2" "cdef", 6, NULL));
289 ASSERT_EQ(static_cast<wchar_t>(0x00a2), out[0]);
291 ASSERT_EQ(3U, mbrtowc(out, "\xe2\x82\xac" "def", 6, NULL));
292 ASSERT_EQ(static_cast<wchar_t>(0x20ac), out[0]);
294 ASSERT_EQ(4U, mbrtowc(out, "\xf0\xa4\xad\xa2" "ef", 6, NULL));
295 ASSERT_EQ(static_cast<wchar_t>(0x24b62), out[0]);
296 #if defined(__BIONIC__) // glibc allows this.
297 // Illegal 5-byte UTF-8.
298 ASSERT_EQ(static_cast<size_t>(-1), mbrtowc(out, "\xf8\xa1\xa2\xa3\xa4" "f", 6, NULL));
299 ASSERT_EQ(EILSEQ, errno);
301 // Illegal over-long sequence.
302 ASSERT_EQ(static_cast<size_t>(-1), mbrtowc(out, "\xf0\x82\x82\xac" "ef", 6, NULL));
303 ASSERT_EQ(EILSEQ, errno);
306 static void test_mbrtowc_incomplete(mbstate_t* ps) {
307 ASSERT_STREQ("C.UTF-8", setlocale(LC_CTYPE, "C.UTF-8"));
308 uselocale(LC_GLOBAL_LOCALE);
312 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xc2", 1, ps));
313 ASSERT_EQ(1U, mbrtowc(&out, "\xa2" "cdef", 5, ps));
314 ASSERT_EQ(static_cast<wchar_t>(0x00a2), out);
315 ASSERT_TRUE(mbsinit(ps));
317 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xe2", 1, ps));
318 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\x82", 1, ps));
319 ASSERT_EQ(1U, mbrtowc(&out, "\xac" "def", 4, ps));
320 ASSERT_EQ(static_cast<wchar_t>(0x20ac), out);
321 ASSERT_TRUE(mbsinit(ps));
323 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xf0", 1, ps));
324 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xa4\xad", 2, ps));
325 ASSERT_EQ(1U, mbrtowc(&out, "\xa2" "ef", 3, ps));
326 ASSERT_EQ(static_cast<wchar_t>(0x24b62), out);
327 ASSERT_TRUE(mbsinit(ps));
330 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xc2", 1, ps));
331 ASSERT_EQ(static_cast<size_t>(-1), mbrtowc(&out, "\x20" "cdef", 5, ps));
332 ASSERT_EQ(EILSEQ, errno);
335 TEST(wchar, mbrtowc_incomplete) {
337 memset(&ps, 0, sizeof(ps));
339 test_mbrtowc_incomplete(&ps);
340 test_mbrtowc_incomplete(NULL);
343 static void test_mbsrtowcs(mbstate_t* ps) {
344 constexpr const char* VALID = "A" "\xc2\xa2" "\xe2\x82\xac" "\xf0\xa4\xad\xa2" "ef";
345 constexpr const char* INVALID = "A" "\xc2\x20" "ef";
346 constexpr const char* INCOMPLETE = "A" "\xc2";
349 const char* valid = VALID;
350 ASSERT_EQ(4U, mbsrtowcs(out, &valid, 4, ps));
351 ASSERT_EQ(L'A', out[0]);
352 ASSERT_EQ(static_cast<wchar_t>(0x00a2), out[1]);
353 ASSERT_EQ(static_cast<wchar_t>(0x20ac), out[2]);
354 ASSERT_EQ(static_cast<wchar_t>(0x24b62), out[3]);
355 // Check that valid has advanced to the next unread character.
356 ASSERT_EQ('e', *valid);
358 wmemset(out, L'x', NUM_WCHARS(sizeof(out)));
359 ASSERT_EQ(2U, mbsrtowcs(out, &valid, 4, ps));
360 ASSERT_EQ(L'e', out[0]);
361 ASSERT_EQ(L'f', out[1]);
362 ASSERT_EQ(L'\0', out[2]);
363 // Check that we didn't clobber the rest of out.
364 ASSERT_EQ(L'x', out[3]);
365 // Check that valid has advanced to the end of the string.
366 ASSERT_EQ(nullptr, valid);
368 const char* invalid = INVALID;
369 ASSERT_EQ(static_cast<size_t>(-1), mbsrtowcs(out, &invalid, 4, ps));
370 EXPECT_EQ(EILSEQ, errno);
371 ASSERT_EQ('\xc2', *invalid);
373 const char* incomplete = INCOMPLETE;
374 ASSERT_EQ(static_cast<size_t>(-1), mbsrtowcs(out, &incomplete, 2, ps));
375 EXPECT_EQ(EILSEQ, errno);
376 ASSERT_EQ('\xc2', *incomplete);
378 // If dst is null, *src shouldn't be updated.
379 // https://code.google.com/p/android/issues/detail?id=166381
380 const char* mbs = VALID;
381 EXPECT_EQ(6U, mbsrtowcs(nullptr, &mbs, 0, ps));
382 EXPECT_EQ(VALID, mbs);
384 EXPECT_EQ(static_cast<size_t>(-1), mbsrtowcs(nullptr, &mbs, 0, ps));
385 EXPECT_EQ(INVALID, mbs);
387 EXPECT_EQ(static_cast<size_t>(-1), mbsrtowcs(nullptr, &mbs, 0, ps));
388 EXPECT_EQ(INCOMPLETE, mbs);
391 TEST(wchar, mbsrtowcs) {
392 ASSERT_STREQ("C.UTF-8", setlocale(LC_CTYPE, "C.UTF-8"));
393 uselocale(LC_GLOBAL_LOCALE);
396 memset(&ps, 0, sizeof(ps));
398 test_mbsrtowcs(NULL);
400 // Invalid multi byte continuation.
401 const char* invalid = "\x20";
403 ASSERT_EQ(static_cast<size_t>(-2), mbrtowc(&out, "\xc2", 1, &ps));
404 ASSERT_EQ(static_cast<size_t>(-1), mbsrtowcs(&out, &invalid, 1, &ps));
405 EXPECT_EQ(EILSEQ, errno);
406 ASSERT_EQ('\x20', *invalid);
409 TEST(wchar, wcstol) {
410 ASSERT_EQ(123L, wcstol(L"123", NULL, 0));
413 TEST(wchar, wcstoll) {
414 ASSERT_EQ(123LL, wcstol(L"123", NULL, 0));
417 TEST(wchar, wcstoul) {
418 ASSERT_EQ(123UL, wcstoul(L"123", NULL, 0));
421 TEST(wchar, wcstoull) {
422 ASSERT_EQ(123ULL, wcstoul(L"123", NULL, 0));
425 TEST(wchar, mbsnrtowcs) {
427 const char* s = "hello, world!";
430 memset(dst, 0, sizeof(dst));
432 ASSERT_EQ(0U, mbsnrtowcs(dst, &src, 0, 0, NULL));
434 memset(dst, 0, sizeof(dst));
436 ASSERT_EQ(2U, mbsnrtowcs(dst, &src, 2, 123, NULL)); // glibc chokes on SIZE_MAX here.
437 ASSERT_EQ(L'h', dst[0]);
438 ASSERT_EQ(L'e', dst[1]);
439 ASSERT_EQ(&s[2], src);
441 memset(dst, 0, sizeof(dst));
443 ASSERT_EQ(3U, mbsnrtowcs(dst, &src, SIZE_MAX, 3, NULL));
444 ASSERT_EQ(L'h', dst[0]);
445 ASSERT_EQ(L'e', dst[1]);
446 ASSERT_EQ(L'l', dst[2]);
447 ASSERT_EQ(&s[3], src);
450 TEST(wchar, wcsftime) {
451 setenv("TZ", "UTC", 1);
454 memset(&t, 0, sizeof(tm));
461 EXPECT_EQ(24U, wcsftime(buf, sizeof(buf), L"%c", &t));
462 EXPECT_STREQ(L"Sun Mar 10 00:00:00 2100", buf);
465 TEST(wchar, wmemmove_smoke) {
466 const wchar_t const_wstr[] = L"This is a test of something or other.....";
467 wchar_t wstr[NUM_WCHARS(sizeof(const_wstr))];
469 EXPECT_EQ(wstr, wmemmove(wstr, const_wstr, NUM_WCHARS(sizeof(const_wstr))));
470 EXPECT_STREQ(const_wstr, wstr);
472 EXPECT_EQ(wstr+5, wmemmove(wstr+5, wstr, NUM_WCHARS(sizeof(const_wstr)) - 6));
473 EXPECT_STREQ(L"This This is a test of something or other", wstr);
476 TEST(wchar, wmemcpy_smoke) {
477 const wchar_t src[] = L"Source string";
478 wchar_t dst[NUM_WCHARS(sizeof(src))];
480 EXPECT_EQ(dst, wmemcpy(dst, src, NUM_WCHARS(sizeof(src))));
481 EXPECT_STREQ(dst, src);
484 TEST(wchar, wcpcpy_smoke) {
485 const wchar_t src[] = L"Source string";
486 wchar_t dst[NUM_WCHARS(sizeof(src))];
488 EXPECT_EQ(dst + NUM_WCHARS(sizeof(src)) - 1, wcpcpy(dst, src));
489 EXPECT_STREQ(dst, src);
492 TEST(wchar, wcpncpy_smoke) {
493 const wchar_t src[] = L"Source string";
494 wchar_t dst[NUM_WCHARS(sizeof(src)) + 5];
496 size_t src_len = NUM_WCHARS(sizeof(src)) - 1;
497 EXPECT_EQ(dst + src_len, wcpncpy(dst, src, src_len + 1));
498 EXPECT_STREQ(dst, src);
500 EXPECT_EQ(dst + 6, wcpncpy(dst, src, 6));
502 EXPECT_STREQ(dst, L"Source");
504 wmemset(dst, L'x', NUM_WCHARS(sizeof(dst)));
505 EXPECT_EQ(dst + src_len, wcpncpy(dst, src, src_len + 4));
506 EXPECT_STREQ(dst, src);
507 EXPECT_EQ(dst[src_len], L'\0');
508 EXPECT_EQ(dst[src_len+1], L'\0');
509 EXPECT_EQ(dst[src_len+2], L'\0');
510 EXPECT_EQ(dst[src_len+3], L'\0');
511 EXPECT_EQ(dst[src_len+4], L'x');
514 TEST(wchar, wcscpy_smoke) {
515 const wchar_t src[] = L"Source string";
516 wchar_t dst[NUM_WCHARS(sizeof(src))];
518 EXPECT_EQ(dst, wcscpy(dst, src));
519 EXPECT_STREQ(src, dst);
522 TEST(wchar, wcsncpy_smoke) {
523 const wchar_t src[] = L"Source string";
524 wchar_t dst[NUM_WCHARS(sizeof(src)) + 5];
526 size_t src_len = NUM_WCHARS(sizeof(src)) - 1;
527 EXPECT_EQ(dst, wcsncpy(dst, src, src_len + 1));
528 EXPECT_STREQ(dst, src);
530 EXPECT_EQ(dst, wcsncpy(dst, src, 6));
532 EXPECT_STREQ(dst, L"Source");
534 wmemset(dst, L'x', NUM_WCHARS(sizeof(dst)));
535 EXPECT_EQ(dst, wcsncpy(dst, src, src_len + 4));
536 EXPECT_STREQ(dst, src);
537 EXPECT_EQ(dst[src_len], L'\0');
538 EXPECT_EQ(dst[src_len+1], L'\0');
539 EXPECT_EQ(dst[src_len+2], L'\0');
540 EXPECT_EQ(dst[src_len+3], L'\0');
541 EXPECT_EQ(dst[src_len+4], L'x');
544 TEST(wchar, mbrtowc_15439554) {
546 ASSERT_STREQ("C.UTF-8", setlocale(LC_CTYPE, "C.UTF-8"));
547 uselocale(LC_GLOBAL_LOCALE);
549 ASSERT_GE(static_cast<size_t>(MB_LEN_MAX), MB_CUR_MAX);
550 ASSERT_GE(MB_CUR_MAX, 4U);
556 n = mbrtowc(&wc, "x", MB_CUR_MAX, NULL);
560 n = mbrtowc(&wc, "\xc2\xa2", MB_CUR_MAX, NULL);
564 n = mbrtowc(&wc, "\xe2\x82\xac", MB_CUR_MAX, NULL);
568 n = mbrtowc(&wc, "\xf0\xa4\xad\xa2", MB_CUR_MAX, NULL);
573 TEST(wchar, open_wmemstream) {
574 wchar_t* p = nullptr;
576 FILE* fp = open_wmemstream(&p, &size);
577 ASSERT_NE(EOF, fputws(L"hello, world!", fp));
580 ASSERT_STREQ(L"hello, world!", p);
581 ASSERT_EQ(wcslen(L"hello, world!"), size);
585 TEST(stdio, open_wmemstream_EINVAL) {
586 #if defined(__BIONIC__)
592 ASSERT_EQ(nullptr, open_wmemstream(nullptr, &size));
593 ASSERT_EQ(EINVAL, errno);
597 ASSERT_EQ(nullptr, open_wmemstream(&p, nullptr));
598 ASSERT_EQ(EINVAL, errno);
600 GTEST_LOG_(INFO) << "This test does nothing.\n";
604 TEST(wchar, wcstol_EINVAL) {
606 wcstol(L"123", NULL, -1);
607 ASSERT_EQ(EINVAL, errno);
609 wcstol(L"123", NULL, 1);
610 ASSERT_EQ(EINVAL, errno);
612 wcstol(L"123", NULL, 37);
613 ASSERT_EQ(EINVAL, errno);
616 TEST(wchar, wcstoll_EINVAL) {
618 wcstoll(L"123", NULL, -1);
619 ASSERT_EQ(EINVAL, errno);
621 wcstoll(L"123", NULL, 1);
622 ASSERT_EQ(EINVAL, errno);
624 wcstoll(L"123", NULL, 37);
625 ASSERT_EQ(EINVAL, errno);
628 TEST(wchar, wcstoul_EINVAL) {
630 wcstoul(L"123", NULL, -1);
631 ASSERT_EQ(EINVAL, errno);
633 wcstoul(L"123", NULL, 1);
634 ASSERT_EQ(EINVAL, errno);
636 wcstoul(L"123", NULL, 37);
637 ASSERT_EQ(EINVAL, errno);
640 TEST(wchar, wcstoull_EINVAL) {
642 wcstoull(L"123", NULL, -1);
643 ASSERT_EQ(EINVAL, errno);
645 wcstoull(L"123", NULL, 1);
646 ASSERT_EQ(EINVAL, errno);
648 wcstoull(L"123", NULL, 37);
649 ASSERT_EQ(EINVAL, errno);
652 TEST(wchar, wcstoll_l_EINVAL) {
654 wcstoll_l(L"123", NULL, -1, LC_GLOBAL_LOCALE);
655 ASSERT_EQ(EINVAL, errno);
657 wcstoll_l(L"123", NULL, 1, LC_GLOBAL_LOCALE);
658 ASSERT_EQ(EINVAL, errno);
660 wcstoll_l(L"123", NULL, 37, LC_GLOBAL_LOCALE);
661 ASSERT_EQ(EINVAL, errno);
664 TEST(wchar, wcstoull_l_EINVAL) {
666 wcstoull_l(L"123", NULL, -1, LC_GLOBAL_LOCALE);
667 ASSERT_EQ(EINVAL, errno);
669 wcstoull_l(L"123", NULL, 1, LC_GLOBAL_LOCALE);
670 ASSERT_EQ(EINVAL, errno);
672 wcstoull_l(L"123", NULL, 37, LC_GLOBAL_LOCALE);
673 ASSERT_EQ(EINVAL, errno);
676 TEST(wchar, wmempcpy) {
678 ASSERT_EQ(&dst[4], wmempcpy(dst, L"hello", 4));
681 template <typename T>
682 static void CheckWcsToFloat(T fn(const wchar_t* s, wchar_t** end)) {
685 EXPECT_PRED_FORMAT2(pred, 9.0, fn(L"9.0", nullptr));
686 EXPECT_PRED_FORMAT2(pred, 9.0, fn(L"0.9e1", nullptr));
687 EXPECT_PRED_FORMAT2(pred, 9.0, fn(L"0x1.2p3", nullptr));
689 const wchar_t* s = L" \t\v\f\r\n9.0";
691 EXPECT_PRED_FORMAT2(pred, 9.0, fn(s, &p));
692 EXPECT_EQ(s + wcslen(s), p);
694 EXPECT_TRUE(isnan(fn(L"+nan", nullptr)));
695 EXPECT_TRUE(isnan(fn(L"nan", nullptr)));
696 EXPECT_TRUE(isnan(fn(L"-nan", nullptr)));
698 EXPECT_TRUE(isnan(fn(L"+nan(0xff)", nullptr)));
699 EXPECT_TRUE(isnan(fn(L"nan(0xff)", nullptr)));
700 EXPECT_TRUE(isnan(fn(L"-nan(0xff)", nullptr)));
702 EXPECT_TRUE(isnan(fn(L"+nanny", &p)));
703 EXPECT_STREQ(L"ny", p);
704 EXPECT_TRUE(isnan(fn(L"nanny", &p)));
705 EXPECT_STREQ(L"ny", p);
706 EXPECT_TRUE(isnan(fn(L"-nanny", &p)));
707 EXPECT_STREQ(L"ny", p);
709 EXPECT_EQ(0, fn(L"muppet", &p));
710 EXPECT_STREQ(L"muppet", p);
711 EXPECT_EQ(0, fn(L" muppet", &p));
712 EXPECT_STREQ(L" muppet", p);
714 EXPECT_EQ(std::numeric_limits<T>::infinity(), fn(L"+inf", nullptr));
715 EXPECT_EQ(std::numeric_limits<T>::infinity(), fn(L"inf", nullptr));
716 EXPECT_EQ(-std::numeric_limits<T>::infinity(), fn(L"-inf", nullptr));
718 EXPECT_EQ(std::numeric_limits<T>::infinity(), fn(L"+infinity", nullptr));
719 EXPECT_EQ(std::numeric_limits<T>::infinity(), fn(L"infinity", nullptr));
720 EXPECT_EQ(-std::numeric_limits<T>::infinity(), fn(L"-infinity", nullptr));
722 EXPECT_EQ(std::numeric_limits<T>::infinity(), fn(L"+infinitude", &p));
723 EXPECT_STREQ(L"initude", p);
724 EXPECT_EQ(std::numeric_limits<T>::infinity(), fn(L"infinitude", &p));
725 EXPECT_STREQ(L"initude", p);
726 EXPECT_EQ(-std::numeric_limits<T>::infinity(), fn(L"-infinitude", &p));
727 EXPECT_STREQ(L"initude", p);
729 // Check case-insensitivity.
730 EXPECT_EQ(std::numeric_limits<T>::infinity(), fn(L"InFiNiTy", nullptr));
731 EXPECT_TRUE(isnan(fn(L"NaN", nullptr)));
734 TEST(wchar, wcstod) {
735 CheckWcsToFloat(wcstod);
738 TEST(wchar, wcstof) {
739 CheckWcsToFloat(wcstof);
742 TEST(wchar, wcstold) {
743 CheckWcsToFloat(wcstold);