[KERNEL32_WINETEST]
[reactos.git] / rostests / winetests / kernel32 / codepage.c
1 /*
2 * Unit tests for code page to/from unicode translations
3 *
4 * Copyright (c) 2002 Dmitry Timoshkov
5 * Copyright (c) 2008 Colin Finck
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include <stdarg.h>
23 #include <limits.h>
24
25 #include "wine/test.h"
26 #include "windef.h"
27 #include "winbase.h"
28 #include "winnls.h"
29
30 static const WCHAR foobarW[] = {'f','o','o','b','a','r',0};
31
32 static void test_destination_buffer(void)
33 {
34 LPSTR buffer;
35 INT maxsize;
36 INT needed;
37 INT len;
38
39 SetLastError(0xdeadbeef);
40 needed = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, NULL, 0, NULL, NULL);
41 ok( (needed > 0), "returned %d with %u (expected '> 0')\n",
42 needed, GetLastError());
43
44 maxsize = needed*2;
45 buffer = HeapAlloc(GetProcessHeap(), 0, maxsize);
46 if (buffer == NULL) return;
47
48 maxsize--;
49 memset(buffer, 'x', maxsize);
50 buffer[maxsize] = '\0';
51 SetLastError(0xdeadbeef);
52 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buffer, needed+1, NULL, NULL);
53 ok( (len > 0), "returned %d with %u and '%s' (expected '> 0')\n",
54 len, GetLastError(), buffer);
55
56 memset(buffer, 'x', maxsize);
57 buffer[maxsize] = '\0';
58 SetLastError(0xdeadbeef);
59 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buffer, needed, NULL, NULL);
60 ok( (len > 0), "returned %d with %u and '%s' (expected '> 0')\n",
61 len, GetLastError(), buffer);
62
63 memset(buffer, 'x', maxsize);
64 buffer[maxsize] = '\0';
65 SetLastError(0xdeadbeef);
66 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buffer, needed-1, NULL, NULL);
67 ok( !len && (GetLastError() == ERROR_INSUFFICIENT_BUFFER),
68 "returned %d with %u and '%s' (expected '0' with "
69 "ERROR_INSUFFICIENT_BUFFER)\n", len, GetLastError(), buffer);
70
71 memset(buffer, 'x', maxsize);
72 buffer[maxsize] = '\0';
73 SetLastError(0xdeadbeef);
74 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buffer, 1, NULL, NULL);
75 ok( !len && (GetLastError() == ERROR_INSUFFICIENT_BUFFER),
76 "returned %d with %u and '%s' (expected '0' with "
77 "ERROR_INSUFFICIENT_BUFFER)\n", len, GetLastError(), buffer);
78
79 SetLastError(0xdeadbeef);
80 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buffer, 0, NULL, NULL);
81 ok( (len > 0), "returned %d with %u (expected '> 0')\n",
82 len, GetLastError());
83
84 SetLastError(0xdeadbeef);
85 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, NULL, needed, NULL, NULL);
86 ok( !len && (GetLastError() == ERROR_INVALID_PARAMETER),
87 "returned %d with %u (expected '0' with "
88 "ERROR_INVALID_PARAMETER)\n", len, GetLastError());
89
90 HeapFree(GetProcessHeap(), 0, buffer);
91 }
92
93
94 static void test_null_source(void)
95 {
96 int len;
97 DWORD GLE;
98
99 SetLastError(0);
100 len = WideCharToMultiByte(CP_ACP, 0, NULL, 0, NULL, 0, NULL, NULL);
101 GLE = GetLastError();
102 ok(!len && GLE == ERROR_INVALID_PARAMETER,
103 "WideCharToMultiByte returned %d with GLE=%u (expected 0 with ERROR_INVALID_PARAMETER)\n",
104 len, GLE);
105
106 SetLastError(0);
107 len = WideCharToMultiByte(CP_ACP, 0, NULL, -1, NULL, 0, NULL, NULL);
108 GLE = GetLastError();
109 ok(!len && GLE == ERROR_INVALID_PARAMETER,
110 "WideCharToMultiByte returned %d with GLE=%u (expected 0 with ERROR_INVALID_PARAMETER)\n",
111 len, GLE);
112 }
113
114 static void test_negative_source_length(void)
115 {
116 int len;
117 char buf[10];
118 WCHAR bufW[10];
119
120 /* Test, whether any negative source length works as strlen() + 1 */
121 SetLastError( 0xdeadbeef );
122 memset(buf,'x',sizeof(buf));
123 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -2002, buf, 10, NULL, NULL);
124 ok(len == 7 && GetLastError() == 0xdeadbeef,
125 "WideCharToMultiByte(-2002): len=%d error=%u\n", len, GetLastError());
126 ok(!lstrcmpA(buf, "foobar"),
127 "WideCharToMultiByte(-2002): expected \"foobar\" got \"%s\"\n", buf);
128
129 SetLastError( 0xdeadbeef );
130 memset(bufW,'x',sizeof(bufW));
131 len = MultiByteToWideChar(CP_ACP, 0, "foobar", -2002, bufW, 10);
132 ok(len == 7 && !lstrcmpW(bufW, foobarW) && GetLastError() == 0xdeadbeef,
133 "MultiByteToWideChar(-2002): len=%d error=%u\n", len, GetLastError());
134
135 SetLastError(0xdeadbeef);
136 memset(bufW, 'x', sizeof(bufW));
137 len = MultiByteToWideChar(CP_ACP, 0, "foobar", -1, bufW, 6);
138 ok(len == 0 && GetLastError() == ERROR_INSUFFICIENT_BUFFER,
139 "MultiByteToWideChar(-1): len=%d error=%u\n", len, GetLastError());
140 }
141
142 #define LONGBUFLEN 100000
143 static void test_negative_dest_length(void)
144 {
145 int len, i;
146 static char buf[LONGBUFLEN];
147 static WCHAR originalW[LONGBUFLEN];
148 static char originalA[LONGBUFLEN];
149 DWORD theError;
150
151 /* Test return on -1 dest length */
152 SetLastError( 0xdeadbeef );
153 memset(buf,'x',sizeof(buf));
154 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buf, -1, NULL, NULL);
155 todo_wine {
156 ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER,
157 "WideCharToMultiByte(destlen -1): len=%d error=%x\n", len, GetLastError());
158 }
159
160 /* Test return on -1000 dest length */
161 SetLastError( 0xdeadbeef );
162 memset(buf,'x',sizeof(buf));
163 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buf, -1000, NULL, NULL);
164 todo_wine {
165 ok(len == 0 && GetLastError() == ERROR_INVALID_PARAMETER,
166 "WideCharToMultiByte(destlen -1000): len=%d error=%x\n", len, GetLastError());
167 }
168
169 /* Test return on INT_MAX dest length */
170 SetLastError( 0xdeadbeef );
171 memset(buf,'x',sizeof(buf));
172 len = WideCharToMultiByte(CP_ACP, 0, foobarW, -1, buf, INT_MAX, NULL, NULL);
173 ok(len == 7 && !lstrcmpA(buf, "foobar") && GetLastError() == 0xdeadbeef,
174 "WideCharToMultiByte(destlen INT_MAX): len=%d error=%x\n", len, GetLastError());
175
176 /* Test return on INT_MAX dest length and very long input */
177 SetLastError( 0xdeadbeef );
178 memset(buf,'x',sizeof(buf));
179 for (i=0; i < LONGBUFLEN - 1; i++) {
180 originalW[i] = 'Q';
181 originalA[i] = 'Q';
182 }
183 originalW[LONGBUFLEN-1] = 0;
184 originalA[LONGBUFLEN-1] = 0;
185 len = WideCharToMultiByte(CP_ACP, 0, originalW, -1, buf, INT_MAX, NULL, NULL);
186 theError = GetLastError();
187 ok(len == LONGBUFLEN && !lstrcmpA(buf, originalA) && theError == 0xdeadbeef,
188 "WideCharToMultiByte(srclen %d, destlen INT_MAX): len %d error=%x\n", LONGBUFLEN, len, theError);
189
190 }
191
192 static void test_overlapped_buffers(void)
193 {
194 static const WCHAR strW[] = {'j','u','s','t',' ','a',' ','t','e','s','t',0};
195 static const char strA[] = "just a test";
196 char buf[256];
197 int ret;
198
199 SetLastError(0xdeadbeef);
200 memcpy(buf + 1, strW, sizeof(strW));
201 ret = WideCharToMultiByte(CP_ACP, 0, (WCHAR *)(buf + 1), -1, buf, sizeof(buf), NULL, NULL);
202 ok(ret == sizeof(strA), "unexpected ret %d\n", ret);
203 ok(!memcmp(buf, strA, sizeof(strA)), "conversion failed: %s\n", buf);
204 ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
205 }
206
207 static void test_string_conversion(LPBOOL bUsedDefaultChar)
208 {
209 char mbc;
210 char mbs[5];
211 int ret;
212 WCHAR wc1 = 228; /* Western Windows-1252 character */
213 WCHAR wc2 = 1088; /* Russian Windows-1251 character not displayable for Windows-1252 */
214 static const WCHAR wcs[] = {'T', 'h', 1088, 'i', 0}; /* String with ASCII characters and a Russian character */
215 static const WCHAR dbwcs[] = {28953, 25152, 0}; /* String with Chinese (codepage 950) characters */
216
217 SetLastError(0xdeadbeef);
218 ret = WideCharToMultiByte(1252, 0, &wc1, 1, &mbc, 1, NULL, bUsedDefaultChar);
219 ok(ret == 1, "ret is %d\n", ret);
220 ok(mbc == -28, "mbc is %d\n", mbc);
221 if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
222 ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
223
224 SetLastError(0xdeadbeef);
225 ret = WideCharToMultiByte(1252, 0, &wc2, 1, &mbc, 1, NULL, bUsedDefaultChar);
226 ok(ret == 1, "ret is %d\n", ret);
227 ok(mbc == 63, "mbc is %d\n", mbc);
228 if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
229 ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
230
231 if (IsValidCodePage(1251))
232 {
233 SetLastError(0xdeadbeef);
234 ret = WideCharToMultiByte(1251, 0, &wc2, 1, &mbc, 1, NULL, bUsedDefaultChar);
235 ok(ret == 1, "ret is %d\n", ret);
236 ok(mbc == -16, "mbc is %d\n", mbc);
237 if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
238 ok(GetLastError() == 0xdeadbeef ||
239 broken(GetLastError() == 0), /* win95 */
240 "GetLastError() is %u\n", GetLastError());
241
242 SetLastError(0xdeadbeef);
243 ret = WideCharToMultiByte(1251, 0, &wc1, 1, &mbc, 1, NULL, bUsedDefaultChar);
244 ok(ret == 1, "ret is %d\n", ret);
245 ok(mbc == 97, "mbc is %d\n", mbc);
246 if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
247 ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
248 }
249 else
250 skip("Codepage 1251 not available\n");
251
252 /* This call triggers the last Win32 error */
253 SetLastError(0xdeadbeef);
254 ret = WideCharToMultiByte(1252, 0, wcs, -1, &mbc, 1, NULL, bUsedDefaultChar);
255 ok(ret == 0, "ret is %d\n", ret);
256 ok(mbc == 84, "mbc is %d\n", mbc);
257 if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
258 ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetLastError() is %u\n", GetLastError());
259
260 SetLastError(0xdeadbeef);
261 ret = WideCharToMultiByte(1252, 0, wcs, -1, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
262 ok(ret == 5, "ret is %d\n", ret);
263 ok(!strcmp(mbs, "Th?i"), "mbs is %s\n", mbs);
264 if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
265 ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
266 mbs[0] = 0;
267
268 /* WideCharToMultiByte mustn't add any null character automatically.
269 So in this case, we should get the same string again, even if we only copied the first three bytes. */
270 SetLastError(0xdeadbeef);
271 ret = WideCharToMultiByte(1252, 0, wcs, 3, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
272 ok(ret == 3, "ret is %d\n", ret);
273 ok(!strcmp(mbs, "Th?i"), "mbs is %s\n", mbs);
274 if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
275 ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
276 ZeroMemory(mbs, 5);
277
278 /* Now this shouldn't be the case like above as we zeroed the complete string buffer. */
279 SetLastError(0xdeadbeef);
280 ret = WideCharToMultiByte(1252, 0, wcs, 3, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
281 ok(ret == 3, "ret is %d\n", ret);
282 ok(!strcmp(mbs, "Th?"), "mbs is %s\n", mbs);
283 if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
284 ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
285
286 /* Double-byte tests */
287 ret = WideCharToMultiByte(1252, 0, dbwcs, 3, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
288 ok(ret == 3, "ret is %d\n", ret);
289 ok(!strcmp(mbs, "??"), "mbs is %s\n", mbs);
290 if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
291
292 /* Length-only tests */
293 SetLastError(0xdeadbeef);
294 ret = WideCharToMultiByte(1252, 0, &wc2, 1, NULL, 0, NULL, bUsedDefaultChar);
295 ok(ret == 1, "ret is %d\n", ret);
296 if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
297 ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
298
299 SetLastError(0xdeadbeef);
300 ret = WideCharToMultiByte(1252, 0, wcs, -1, NULL, 0, NULL, bUsedDefaultChar);
301 ok(ret == 5, "ret is %d\n", ret);
302 if(bUsedDefaultChar) ok(*bUsedDefaultChar == TRUE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
303 ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
304
305 if (!IsValidCodePage(950))
306 {
307 skip("Codepage 950 not available\n");
308 return;
309 }
310
311 /* Double-byte tests */
312 SetLastError(0xdeadbeef);
313 ret = WideCharToMultiByte(950, 0, dbwcs, -1, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
314 ok(ret == 5, "ret is %d\n", ret);
315 ok(!strcmp(mbs, "\xb5H\xa9\xd2"), "mbs is %s\n", mbs);
316 if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
317 ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
318
319 SetLastError(0xdeadbeef);
320 ret = WideCharToMultiByte(950, 0, dbwcs, 1, &mbc, 1, NULL, bUsedDefaultChar);
321 ok(ret == 0, "ret is %d\n", ret);
322 if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
323 ok(GetLastError() == ERROR_INSUFFICIENT_BUFFER, "GetLastError() is %u\n", GetLastError());
324 ZeroMemory(mbs, 5);
325
326 SetLastError(0xdeadbeef);
327 ret = WideCharToMultiByte(950, 0, dbwcs, 1, mbs, sizeof(mbs), NULL, bUsedDefaultChar);
328 ok(ret == 2, "ret is %d\n", ret);
329 ok(!strcmp(mbs, "\xb5H"), "mbs is %s\n", mbs);
330 if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
331 ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
332
333 /* Length-only tests */
334 SetLastError(0xdeadbeef);
335 ret = WideCharToMultiByte(950, 0, dbwcs, 1, NULL, 0, NULL, bUsedDefaultChar);
336 ok(ret == 2, "ret is %d\n", ret);
337 if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
338 ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
339
340 SetLastError(0xdeadbeef);
341 ret = WideCharToMultiByte(950, 0, dbwcs, -1, NULL, 0, NULL, bUsedDefaultChar);
342 ok(ret == 5, "ret is %d\n", ret);
343 if(bUsedDefaultChar) ok(*bUsedDefaultChar == FALSE, "bUsedDefaultChar is %d\n", *bUsedDefaultChar);
344 ok(GetLastError() == 0xdeadbeef, "GetLastError() is %u\n", GetLastError());
345 }
346
347 static void test_undefined_byte_char(void)
348 {
349 static const struct tag_testset {
350 INT codepage;
351 LPCSTR str;
352 BOOL is_error;
353 } testset[] = {
354 { 874, "\xdd", TRUE },
355 { 932, "\xfe", TRUE },
356 { 932, "\x80", FALSE },
357 { 936, "\xff", TRUE },
358 { 949, "\xff", TRUE },
359 { 950, "\xff", TRUE },
360 { 1252, "\x90", FALSE },
361 { 1253, "\xaa", TRUE },
362 { 1255, "\xff", TRUE },
363 { 1257, "\xa5", TRUE },
364 };
365 INT i, ret;
366
367 for (i = 0; i < (sizeof(testset) / sizeof(testset[0])); i++) {
368 if (! IsValidCodePage(testset[i].codepage))
369 {
370 skip("Codepage %d not available\n", testset[i].codepage);
371 continue;
372 }
373
374 SetLastError(0xdeadbeef);
375 ret = MultiByteToWideChar(testset[i].codepage, MB_ERR_INVALID_CHARS,
376 testset[i].str, -1, NULL, 0);
377 if (testset[i].is_error) {
378 ok(ret == 0 && GetLastError() == ERROR_NO_UNICODE_TRANSLATION,
379 "ret is %d, GetLastError is %u (cp %d)\n",
380 ret, GetLastError(), testset[i].codepage);
381 }
382 else {
383 ok(ret == strlen(testset[i].str)+1 && GetLastError() == 0xdeadbeef,
384 "ret is %d, GetLastError is %u (cp %d)\n",
385 ret, GetLastError(), testset[i].codepage);
386 }
387
388 SetLastError(0xdeadbeef);
389 ret = MultiByteToWideChar(testset[i].codepage, 0,
390 testset[i].str, -1, NULL, 0);
391 ok(ret == strlen(testset[i].str)+1 && GetLastError() == 0xdeadbeef,
392 "ret is %d, GetLastError is %u (cp %d)\n",
393 ret, GetLastError(), testset[i].codepage);
394 }
395 }
396
397 START_TEST(codepage)
398 {
399 BOOL bUsedDefaultChar;
400
401 test_destination_buffer();
402 test_null_source();
403 test_negative_source_length();
404 test_negative_dest_length();
405 test_overlapped_buffers();
406
407 /* WideCharToMultiByte has two code paths, test both here */
408 test_string_conversion(NULL);
409 test_string_conversion(&bUsedDefaultChar);
410
411 test_undefined_byte_char();
412 }