ReactOS  0.4.14-dev-1332-g6db3d88
wcstombs-tests.c
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1 /*
2  * PROJECT: ReactOS wcstombs Test Suite
3  * LICENSE: GPL v2 or any later version
4  * FILE: tests/wcstombs-tests/wcstombs-tests.c
5  * PURPOSE: Application for testing the CRT API's (wcstombs and wctomb) and the Win32 API WideCharToMultiByte for the Unicode to MultiByte string conversion
6  * COPYRIGHT: Copyright 2008 Colin Finck <colin@reactos.org>
7  */
8 
9 #include <windows.h>
10 #include <stdio.h>
11 #include <stdlib.h>
12 #include <locale.h>
13 #include <errno.h>
14 
15 /* Macros for simplification */
16 #define SETLOCALE(locale) \
17  loc = setlocale(LC_ALL, locale); \
18  if(!loc) \
19  { \
20  puts("setlocale failed for " locale ", this locale is probably not installed on your system"); \
21  return; \
22  }
23 
24 #define OK(condition, fail_message, ...) \
25  if(!(condition)) \
26  printf("%d: " fail_message "\n", __LINE__, ##__VA_ARGS__);
27 
28 /* Global variables for easier handling */
29 char mbc;
30 char mbs[5];
31 int ret;
32 wchar_t wc1 = 228; /* Western Windows-1252 character */
33 wchar_t wc2 = 1088; /* Russian Windows-1251 character not displayable for Windows-1252 */
34 wchar_t wcs[5] = {'T', 'h', 1088, 'i', 0}; /* String with ASCII characters and a Russian character */
35 wchar_t dbwcs[3] = {28953, 25152, 0}; /* String with Chinese (codepage 950) characters */
36 
37 
38 void CRT_Tests()
39 {
40  char* loc;
41 
42  puts("CRT-Tests");
43  puts("---------");
44 
45  /* Current locale is "C", wcstombs should return the length of the input buffer without the terminating null character */
46  ret = wcstombs(NULL, dbwcs, 0);
47  OK(ret == 2, "ret is %d", ret);
48 
49  ret = wcstombs(mbs, dbwcs, ret);
50  OK(ret == -1, "ret is %d", ret);
51  OK(mbs[0] == 0, "mbs[0] is %d", mbs[0]);
52  OK(errno == EILSEQ, "errno is %d", errno);
53 
54  ret = wcstombs(NULL, wcs, 0);
55  OK(ret == 4, "ret is %d", ret);
56 
57  ret = wcstombs(mbs, wcs, ret);
58  OK(ret == -1, "ret is %d", ret);
59  OK(!strcmp(mbs, "Th"), "mbs is %s", mbs);
60  OK(errno == EILSEQ, "errno is %d", errno);
61 
62  ret = wctomb(&mbc, wcs[0]);
63  OK(ret == 1, "ret is %d", ret);
64  OK(mbc == 84, "mbc is %d", mbc);
65 
66  mbc = 84;
67  ret = wcstombs(&mbc, &dbwcs[0], 1);
68  OK(ret == -1, "ret is %d", ret);
69  OK(mbc == 84, "mbc is %d", mbc);
70 
71  ret = wcstombs(mbs, wcs, 0);
72  OK(ret == 0, "ret is %d", ret);
73 
74  /* The length for the null character (in any locale) is 0, but if you pass a variable, it will be set to 0 and wctomb returns 1 */
75  ret = wctomb(NULL, 0);
76  OK(ret == 0, "ret is %d", ret);
77 
78  ret = wctomb(&mbc, 0);
79  OK(ret == 1, "ret is %d", ret);
80  OK(mbc == 0, "mbc is %d", mbc);
81 
82  /* msvcr80.dll and later versions of CRT change mbc in the following call back to 0, msvcrt.dll from WinXP SP2 leaves it untouched */
83  mbc = 84;
84  ret = wctomb(&mbc, dbwcs[0]);
85  OK(ret == -1, "ret is %d", ret);
86  OK(errno == EILSEQ, "errno is %d", errno);
87  OK(mbc == 84, "mbc is %d", mbc);
88 
89  /* With a real locale, -1 also becomes a possible return value in case of an invalid character */
90  SETLOCALE("German");
91  ret = wcstombs(NULL, dbwcs, 0);
92  OK(ret == -1, "ret is %d", ret);
93  OK(errno == EILSEQ, "errno is %d", errno);
94 
95  ret = wcstombs(NULL, wcs, 2);
96  OK(ret == -1, "ret is %d", ret);
97  OK(errno == EILSEQ, "errno is %d", errno);
98 
99  /* Test if explicitly setting the locale back to "C" also leads to the same results as above */
100  SETLOCALE("C");
101 
102  ret = wcstombs(NULL, dbwcs, 0);
103  OK(ret == 2, "ret is %d", ret);
104 
105  ret = wcstombs(NULL, wcs, 0);
106  OK(ret == 4, "ret is %d", ret);
107 
108  /* Test wctomb() as well */
109  SETLOCALE("English");
110 
111  ret = wctomb(&mbc, wc1);
112  OK(ret == 1, "ret is %d", ret);
113  OK(mbc == -28, "mbc is %d", mbc);
114 
115  ret = wctomb(&mbc, wc2);
116  OK(ret == -1, "ret is %d", ret);
117  OK(errno == EILSEQ, "errno is %d", errno);
118  OK(mbc == 63, "mbc is %d", mbc);
119 
120  SETLOCALE("Russian");
121 
122  ret = wcstombs(mbs, wcs, sizeof(mbs));
123  OK(ret == 4, "ret is %d", ret);
124  OK(!strcmp(mbs, "Thði"), "mbs is %s", mbs);
125 
126  ret = wctomb(&mbc, wc2);
127  OK(ret == 1, "ret is %d", ret);
128  OK(mbc == -16, "mbc is %d", mbc);
129 
130  ret = wctomb(&mbc, wc1);
131  OK(ret == 1, "ret is %d", ret);
132  OK(mbc == 97, "mbc is %d", mbc);
133 
134  SETLOCALE("English");
135 
136  ret = wcstombs(&mbc, wcs, 1);
137  OK(ret == 1, "ret is %d", ret);
138  OK(mbc == 84, "mbc is %d", mbc);
139 
140  ZeroMemory(mbs, sizeof(mbs));
141  ret = wcstombs(mbs, wcs, sizeof(mbs));
142  OK(ret == -1, "ret is %d", ret);
143  OK(errno == EILSEQ, "errno is %d", errno);
144  OK(!strcmp(mbs, "Th?i"), "mbs is %s", mbs);
145  mbs[0] = 0;
146 
147  /* wcstombs mustn't add any null character automatically.
148  So in this case, we should get the same string again, even if we only copied the first three bytes. */
149  ret = wcstombs(mbs, wcs, 3);
150  OK(ret == -1, "ret is %d", ret);
151  OK(errno == EILSEQ, "errno is %d", errno);
152  OK(!strcmp(mbs, "Th?i"), "mbs is %s", mbs);
153  ZeroMemory(mbs, 5);
154 
155  /* Now this shouldn't be the case like above as we zeroed the complete string buffer. */
156  ret = wcstombs(mbs, wcs, 3);
157  OK(ret == -1, "ret is %d", ret);
158  OK(errno == EILSEQ, "errno is %d", errno);
159  OK(!strcmp(mbs, "Th?"), "mbs is %s", mbs);
160 
161  /* Double-byte tests */
162  SETLOCALE("Chinese");
163  ret = wcstombs(mbs, dbwcs, sizeof(mbs));
164  OK(ret == 4, "ret is %d", ret);
165  OK(!strcmp(mbs, "µH©Ò), "mbs is %s", mbs); ZeroMemory(mbs, 5); /* Length-only tests */ SETLOCALE("English"); ret = wcstombs(NULL, wcs, 0); OK(ret == -1, "ret is %d", ret); OK(errno == EILSEQ, "errno is %d", errno); SETLOCALE("Chinese"); ret = wcstombs(NULL, dbwcs, 0); OK(ret == 4, "ret is %d", ret); /* This call causes an ERROR_INSUFFICIENT_BUFFER in the called WideCharToMultiByte function. For some reason, wcstombs under Windows doesn't reset the last error to the previous value here, so we can check for ERROR_INSUFFICIENT_BUFFER with GetLastError(). This could also be seen as an indication that Windows uses WideCharToMultiByte internally for wcstombs. */ ret = wcstombs(mbs, dbwcs, 1); OK(ret == 0, "ret is %d", ret); OK(mbs[0] == 0, "mbs[0] is %d", mbs[0]); /* ERROR_INSUFFICIENT_BUFFER is also the result of this call with SBCS characters. WTF?! Anyway this is a Win32 error not related to the CRT, so we leave out this criteria. */ ret = wcstombs(mbs, wcs, 1); OK(ret == 1, "ret is %d", ret); OK(mbs[0] == 84, "mbs[0] is %d", mbs[0]); putchar('\n'); } void Win32_Tests(LPBOOL bUsedDefaultChar) { SetLastError(0xdeadbeef); puts("Win32-Tests"); puts("-----------"); ret = WideCharToMultiByte(1252, 0, &wc1, 1, &mbc, 1, NULL, bUsedDefaultChar); OK(ret == 1, "ret is %d", ret); OK(mbc == -28, "mbc is %d", mbc); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); ret = WideCharToMultiByte(1252, 0, &wc2, 1, &mbc, 1, NULL, bUsedDefaultChar); OK(ret == 1, "ret is %d", ret); OK(mbc == 63, "mbc is %d", mbc); if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); ret = WideCharToMultiByte(1251, 0, &wc2, 1, &mbc, 1, NULL, bUsedDefaultChar); OK(ret == 1, "ret is %d", ret); OK(mbc == -16, "mbc is %d", mbc); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); ret = WideCharToMultiByte(1251, 0, &wc1, 1, &mbc, 1, NULL, bUsedDefaultChar); OK(ret == 1, "ret is %d", ret); OK(mbc == 97, "mbc is %d", mbc); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); /* The behaviour for this character is different when WC_NO_BEST_FIT_CHARS is used */ ret = WideCharToMultiByte(1251, WC_NO_BEST_FIT_CHARS, &wc1, 1, &mbc, 1, NULL, bUsedDefaultChar); OK(ret == 1, "ret is %d", ret); OK(mbc == 63, "mbc is %d", mbc); if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); ret = WideCharToMultiByte(1252, 0, dbwcs, -1, mbs, sizeof(mbs), NULL, bUsedDefaultChar); OK(ret == 3, "ret is %d", ret); OK(!strcmp(mbs, "??"), "mbs is %s", mbs); if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); ZeroMemory(mbs, 5); ret = WideCharToMultiByte(1252, WC_NO_BEST_FIT_CHARS, dbwcs, -1, mbs, sizeof(mbs), NULL, bUsedDefaultChar); OK(ret == 3, "ret is %d", ret); OK(!strcmp(mbs, "??"), "mbs is %s", mbs); if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); /* This call triggers the last Win32 error */ ret = WideCharToMultiByte(1252, 0, wcs, -1, &mbc, 1, NULL, bUsedDefaultChar); OK(ret == 0, "ret is %d", ret); OK(mbc == 84, "mbc is %d", mbc); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetLastError() is %lu", GetLastError()); SetLastError(0xdeadbeef); ret = WideCharToMultiByte(1252, 0, wcs, -1, mbs, sizeof(mbs), NULL, bUsedDefaultChar); OK(ret == 5, "ret is %d", ret); OK(!strcmp(mbs, "Th?i"), "mbs is %s", mbs); if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); mbs[0] = 0; /* WideCharToMultiByte mustn't add any null character automatically. So in this case, we should get the same string again, even if we only copied the first three bytes. */ ret = WideCharToMultiByte(1252, 0, wcs, 3, mbs, sizeof(mbs), NULL, bUsedDefaultChar); OK(ret == 3, "ret is %d", ret); OK(!strcmp(mbs, "Th?i"), "mbs is %s", mbs); if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); ZeroMemory(mbs, 5); /* Now this shouldn't be the case like above as we zeroed the complete string buffer. */ ret = WideCharToMultiByte(1252, 0, wcs, 3, mbs, sizeof(mbs), NULL, bUsedDefaultChar); OK(ret == 3, "ret is %d", ret); OK(!strcmp(mbs, "Th?"), "mbs is %s", mbs); if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); /* Chinese codepage tests Swapping the WC_NO_BEST_FIT_CHARS and 0 tests causes bUsedDefaultChar to be set to TRUE in the following test, which quits with ERROR_INSUFFICIENT_BUFFER. But as it isn't documented whether all other variables are undefined if ERROR_INSUFFICIENT_BUFFER is set, we skip this behaviour. */ ret = WideCharToMultiByte(950, WC_NO_BEST_FIT_CHARS, &wc1, 1, &mbc, 1, NULL, bUsedDefaultChar); OK(ret == 1, "ret is %d", ret); OK(mbc == 63, "mbc is %d", mbc); if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); ret = WideCharToMultiByte(950, 0, &wc1, 1, &mbc, 1, NULL, bUsedDefaultChar); OK(ret == 1, "ret is %d", ret); OK(mbc == 97, "mbc is %d", mbc); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); /* Double-byte tests */ ret = WideCharToMultiByte(950, 0, dbwcs, -1, mbs, sizeof(mbs), NULL, bUsedDefaultChar); OK(ret == 5, "ret is %d", ret); OK(!strcmp(mbs, "µH©Ò"), "mbs is %s", mbs); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); ret = WideCharToMultiByte(950, 0, dbwcs, 1, &mbc, 1, NULL, bUsedDefaultChar); OK(ret == 0, "ret is %d", ret); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetLastError() is %lu", GetLastError()); SetLastError(0xdeadbeef); ZeroMemory(mbs, 5); ret = WideCharToMultiByte(950, 0, dbwcs, 1, mbs, sizeof(mbs), NULL, bUsedDefaultChar); OK(ret == 2, "ret is %d", ret); OK(!strcmp(mbs, "µH"), "mbs is %s", mbs); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); /* Length-only tests */ ret = WideCharToMultiByte(1252, 0, &wc2, 1, NULL, 0, NULL, bUsedDefaultChar); OK(ret == 1, "ret is %d", ret); if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); ret = WideCharToMultiByte(1252, 0, wcs, -1, NULL, 0, NULL, bUsedDefaultChar); OK(ret == 5, "ret is %d", ret); if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); ret = WideCharToMultiByte(950, 0, dbwcs, 1, NULL, 0, NULL, bUsedDefaultChar); OK(ret == 2, "ret is %d", ret); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); ret = WideCharToMultiByte(950, 0, dbwcs, -1, NULL, 0, NULL, bUsedDefaultChar); OK(ret == 5, "ret is %d", ret); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); /* Abnormal uses of WideCharToMultiByte */ ret = WideCharToMultiByte(1252, 0, NULL, 5, mbs, sizeof(mbs), NULL, bUsedDefaultChar); OK(ret == 0, "ret is %d", ret); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == ERROR_INVALID_PARAMETER, "GetLastError() is %lu", GetLastError()); SetLastError(0xdeadbeef); ret = WideCharToMultiByte(0, 0, dbwcs, 5, mbs, sizeof(mbs), NULL, bUsedDefaultChar); OK(ret == 5, "ret is %d", ret); OK(!strcmp(mbs, "??"), "mbs is %s", mbs); if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar); ret = WideCharToMultiByte(1252, 0, wcs, -1, (LPSTR)wcs, 5, NULL, bUsedDefaultChar); OK(ret == 0, "ret is %d", ret); OK(GetLastError() == ERROR_INVALID_PARAMETER, "GetLastError() is %lu", GetLastError()); SetLastError(0xdeadbeef); ret = WideCharToMultiByte(1252, 0, wcs, -1, mbs, -1, NULL, bUsedDefaultChar); OK(ret == 0, "ret is %d", ret); OK(GetLastError() == ERROR_INVALID_PARAMETER, "GetLastError() is %lu", GetLastError()); SetLastError(0xdeadbeef); putchar('\n'); } int main() { BOOL UsedDefaultChar; CRT_Tests(); /* There are two code pathes in WideCharToMultiByte, one when Flags || DefaultChar || UsedDefaultChar is set and one when it's not. Test both here. */ Win32_Tests(NULL); Win32_Tests(&UsedDefaultChar); return 0; } "), "mbs is %s", mbs);
166  ZeroMemory(mbs, 5);
167 
168  /* Length-only tests */
169  SETLOCALE("English");
170  ret = wcstombs(NULL, wcs, 0);
171  OK(ret == -1, "ret is %d", ret);
172  OK(errno == EILSEQ, "errno is %d", errno);
173 
174  SETLOCALE("Chinese");
175  ret = wcstombs(NULL, dbwcs, 0);
176  OK(ret == 4, "ret is %d", ret);
177 
178  /* This call causes an ERROR_INSUFFICIENT_BUFFER in the called WideCharToMultiByte function.
179  For some reason, wcstombs under Windows doesn't reset the last error to the previous value here, so we can check for ERROR_INSUFFICIENT_BUFFER with GetLastError().
180  This could also be seen as an indication that Windows uses WideCharToMultiByte internally for wcstombs. */
181  ret = wcstombs(mbs, dbwcs, 1);
182  OK(ret == 0, "ret is %d", ret);
183  OK(mbs[0] == 0, "mbs[0] is %d", mbs[0]);
184 
185  /* ERROR_INSUFFICIENT_BUFFER is also the result of this call with SBCS characters. WTF?!
186  Anyway this is a Win32 error not related to the CRT, so we leave out this criteria. */
187  ret = wcstombs(mbs, wcs, 1);
188  OK(ret == 1, "ret is %d", ret);
189  OK(mbs[0] == 84, "mbs[0] is %d", mbs[0]);
190 
191  putchar('\n');
192 }
193 
194 void Win32_Tests(LPBOOL bUsedDefaultChar)
195 {
196  SetLastError(0xdeadbeef);
197 
198  puts("Win32-Tests");
199  puts("-----------");
200 
201  ret = WideCharToMultiByte(1252, 0, &wc1, 1, &mbc, 1, NULL, bUsedDefaultChar);
202  OK(ret == 1, "ret is %d", ret);
203  OK(mbc == -28, "mbc is %d", mbc);
204  if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
205  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
206 
207  ret = WideCharToMultiByte(1252, 0, &wc2, 1, &mbc, 1, NULL, bUsedDefaultChar);
208  OK(ret == 1, "ret is %d", ret);
209  OK(mbc == 63, "mbc is %d", mbc);
210  if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
211  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
212 
213  ret = WideCharToMultiByte(1251, 0, &wc2, 1, &mbc, 1, NULL, bUsedDefaultChar);
214  OK(ret == 1, "ret is %d", ret);
215  OK(mbc == -16, "mbc is %d", mbc);
216  if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
217  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
218 
219  ret = WideCharToMultiByte(1251, 0, &wc1, 1, &mbc, 1, NULL, bUsedDefaultChar);
220  OK(ret == 1, "ret is %d", ret);
221  OK(mbc == 97, "mbc is %d", mbc);
222  if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
223  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
224 
225  /* The behaviour for this character is different when WC_NO_BEST_FIT_CHARS is used */
226  ret = WideCharToMultiByte(1251, WC_NO_BEST_FIT_CHARS, &wc1, 1, &mbc, 1, NULL, bUsedDefaultChar);
227  OK(ret == 1, "ret is %d", ret);
228  OK(mbc == 63, "mbc is %d", mbc);
229  if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
230  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
231 
232  ret = WideCharToMultiByte(1252, 0, dbwcs, -1, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
233  OK(ret == 3, "ret is %d", ret);
234  OK(!strcmp(mbs, "??"), "mbs is %s", mbs);
235  if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
236  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
237  ZeroMemory(mbs, 5);
238 
239  ret = WideCharToMultiByte(1252, WC_NO_BEST_FIT_CHARS, dbwcs, -1, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
240  OK(ret == 3, "ret is %d", ret);
241  OK(!strcmp(mbs, "??"), "mbs is %s", mbs);
242  if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
243  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
244 
245  /* This call triggers the last Win32 error */
246  ret = WideCharToMultiByte(1252, 0, wcs, -1, &mbc, 1, NULL, bUsedDefaultChar);
247  OK(ret == 0, "ret is %d", ret);
248  OK(mbc == 84, "mbc is %d", mbc);
249  if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
250  OK(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetLastError() is %lu", GetLastError());
251  SetLastError(0xdeadbeef);
252 
253  ret = WideCharToMultiByte(1252, 0, wcs, -1, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
254  OK(ret == 5, "ret is %d", ret);
255  OK(!strcmp(mbs, "Th?i"), "mbs is %s", mbs);
256  if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
257  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
258  mbs[0] = 0;
259 
260  /* WideCharToMultiByte mustn't add any null character automatically.
261  So in this case, we should get the same string again, even if we only copied the first three bytes. */
262  ret = WideCharToMultiByte(1252, 0, wcs, 3, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
263  OK(ret == 3, "ret is %d", ret);
264  OK(!strcmp(mbs, "Th?i"), "mbs is %s", mbs);
265  if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
266  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
267  ZeroMemory(mbs, 5);
268 
269  /* Now this shouldn't be the case like above as we zeroed the complete string buffer. */
270  ret = WideCharToMultiByte(1252, 0, wcs, 3, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
271  OK(ret == 3, "ret is %d", ret);
272  OK(!strcmp(mbs, "Th?"), "mbs is %s", mbs);
273  if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
274  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
275 
276  /* Chinese codepage tests
277  Swapping the WC_NO_BEST_FIT_CHARS and 0 tests causes bUsedDefaultChar to be set to TRUE in the following test, which quits with ERROR_INSUFFICIENT_BUFFER.
278  But as it isn't documented whether all other variables are undefined if ERROR_INSUFFICIENT_BUFFER is set, we skip this behaviour. */
279  ret = WideCharToMultiByte(950, WC_NO_BEST_FIT_CHARS, &wc1, 1, &mbc, 1, NULL, bUsedDefaultChar);
280  OK(ret == 1, "ret is %d", ret);
281  OK(mbc == 63, "mbc is %d", mbc);
282  if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
283  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
284 
285  ret = WideCharToMultiByte(950, 0, &wc1, 1, &mbc, 1, NULL, bUsedDefaultChar);
286  OK(ret == 1, "ret is %d", ret);
287  OK(mbc == 97, "mbc is %d", mbc);
288  if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
289  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
290 
291  /* Double-byte tests */
292  ret = WideCharToMultiByte(950, 0, dbwcs, -1, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
293  OK(ret == 5, "ret is %d", ret);
294  OK(!strcmp(mbs, "µH©Ò), "mbs is %s", mbs); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); ret = WideCharToMultiByte(950, 0, dbwcs, 1, &mbc, 1, NULL, bUsedDefaultChar); OK(ret == 0, "ret is %d", ret); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetLastError() is %lu", GetLastError()); SetLastError(0xdeadbeef); ZeroMemory(mbs, 5); ret = WideCharToMultiByte(950, 0, dbwcs, 1, mbs, sizeof(mbs), NULL, bUsedDefaultChar); OK(ret == 2, "ret is %d", ret); OK(!strcmp(mbs, "µH"), "mbs is %s", mbs); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); /* Length-only tests */ ret = WideCharToMultiByte(1252, 0, &wc2, 1, NULL, 0, NULL, bUsedDefaultChar); OK(ret == 1, "ret is %d", ret); if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); ret = WideCharToMultiByte(1252, 0, wcs, -1, NULL, 0, NULL, bUsedDefaultChar); OK(ret == 5, "ret is %d", ret); if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); ret = WideCharToMultiByte(950, 0, dbwcs, 1, NULL, 0, NULL, bUsedDefaultChar); OK(ret == 2, "ret is %d", ret); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); ret = WideCharToMultiByte(950, 0, dbwcs, -1, NULL, 0, NULL, bUsedDefaultChar); OK(ret == 5, "ret is %d", ret); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError()); /* Abnormal uses of WideCharToMultiByte */ ret = WideCharToMultiByte(1252, 0, NULL, 5, mbs, sizeof(mbs), NULL, bUsedDefaultChar); OK(ret == 0, "ret is %d", ret); if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar); OK(GetLastError() == ERROR_INVALID_PARAMETER, "GetLastError() is %lu", GetLastError()); SetLastError(0xdeadbeef); ret = WideCharToMultiByte(0, 0, dbwcs, 5, mbs, sizeof(mbs), NULL, bUsedDefaultChar); OK(ret == 5, "ret is %d", ret); OK(!strcmp(mbs, "??"), "mbs is %s", mbs); if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar); ret = WideCharToMultiByte(1252, 0, wcs, -1, (LPSTR)wcs, 5, NULL, bUsedDefaultChar); OK(ret == 0, "ret is %d", ret); OK(GetLastError() == ERROR_INVALID_PARAMETER, "GetLastError() is %lu", GetLastError()); SetLastError(0xdeadbeef); ret = WideCharToMultiByte(1252, 0, wcs, -1, mbs, -1, NULL, bUsedDefaultChar); OK(ret == 0, "ret is %d", ret); OK(GetLastError() == ERROR_INVALID_PARAMETER, "GetLastError() is %lu", GetLastError()); SetLastError(0xdeadbeef); putchar('\n'); } int main() { BOOL UsedDefaultChar; CRT_Tests(); /* There are two code pathes in WideCharToMultiByte, one when Flags || DefaultChar || UsedDefaultChar is set and one when it's not. Test both here. */ Win32_Tests(NULL); Win32_Tests(&UsedDefaultChar); return 0; } "), "mbs is %s", mbs);
295  if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
296  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
297 
298  ret = WideCharToMultiByte(950, 0, dbwcs, 1, &mbc, 1, NULL, bUsedDefaultChar);
299  OK(ret == 0, "ret is %d", ret);
300  if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
301  OK(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetLastError() is %lu", GetLastError());
302  SetLastError(0xdeadbeef);
303  ZeroMemory(mbs, 5);
304 
305  ret = WideCharToMultiByte(950, 0, dbwcs, 1, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
306  OK(ret == 2, "ret is %d", ret);
307  OK(!strcmp(mbs, "µH"), "mbs is %s", mbs);
308  if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
309  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
310 
311  /* Length-only tests */
312  ret = WideCharToMultiByte(1252, 0, &wc2, 1, NULL, 0, NULL, bUsedDefaultChar);
313  OK(ret == 1, "ret is %d", ret);
314  if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
315  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
316 
317  ret = WideCharToMultiByte(1252, 0, wcs, -1, NULL, 0, NULL, bUsedDefaultChar);
318  OK(ret == 5, "ret is %d", ret);
319  if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
320  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
321 
322  ret = WideCharToMultiByte(950, 0, dbwcs, 1, NULL, 0, NULL, bUsedDefaultChar);
323  OK(ret == 2, "ret is %d", ret);
324  if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
325  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
326 
327  ret = WideCharToMultiByte(950, 0, dbwcs, -1, NULL, 0, NULL, bUsedDefaultChar);
328  OK(ret == 5, "ret is %d", ret);
329  if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
330  OK(GetLastError() == 0xdeadbeef, "GetLastError() is %lu", GetLastError());
331 
332  /* Abnormal uses of WideCharToMultiByte */
333  ret = WideCharToMultiByte(1252, 0, NULL, 5, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
334  OK(ret == 0, "ret is %d", ret);
335  if(bUsedDefaultChar) OK(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
336  OK(GetLastError() == ERROR_INVALID_PARAMETER, "GetLastError() is %lu", GetLastError());
337  SetLastError(0xdeadbeef);
338 
339  ret = WideCharToMultiByte(0, 0, dbwcs, 5, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
340  OK(ret == 5, "ret is %d", ret);
341  OK(!strcmp(mbs, "??"), "mbs is %s", mbs);
342  if(bUsedDefaultChar) OK(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d", *bUsedDefaultChar);
343 
344  ret = WideCharToMultiByte(1252, 0, wcs, -1, (LPSTR)wcs, 5, NULL, bUsedDefaultChar);
345  OK(ret == 0, "ret is %d", ret);
346  OK(GetLastError() == ERROR_INVALID_PARAMETER, "GetLastError() is %lu", GetLastError());
347  SetLastError(0xdeadbeef);
348 
349  ret = WideCharToMultiByte(1252, 0, wcs, -1, mbs, -1, NULL, bUsedDefaultChar);
350  OK(ret == 0, "ret is %d", ret);
351  OK(GetLastError() == ERROR_INVALID_PARAMETER, "GetLastError() is %lu", GetLastError());
352  SetLastError(0xdeadbeef);
353 
354  putchar('\n');
355 }
356 
357 int main()
358 {
359  BOOL UsedDefaultChar;
360 
361  CRT_Tests();
362 
363  /* There are two code pathes in WideCharToMultiByte, one when Flags || DefaultChar || UsedDefaultChar is set and one when it's not.
364  Test both here. */
365  Win32_Tests(NULL);
366  Win32_Tests(&UsedDefaultChar);
367 
368  return 0;
369 }
ERROR_INVALID_PARAMETER
#define ERROR_INVALID_PARAMETER
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errno
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void Win32_Tests(LPBOOL bUsedDefaultChar)
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