[WINSPOOL_APITEST]
[reactos.git] / rostests / apitests / winspool / IsValidDevmode.c
1 /*
2 * PROJECT: ReactOS Print Spooler DLL API Tests
3 * LICENSE: GNU GPLv2 or any later version as published by the Free Software Foundation
4 * PURPOSE: Tests for IsValidDevmodeA/IsValidDevmodeW
5 * COPYRIGHT: Copyright 2016 Colin Finck <colin@reactos.org>
6 */
7
8 #include <apitest.h>
9
10 #define WIN32_NO_STATUS
11 #include <windef.h>
12 #include <winbase.h>
13 #include <wingdi.h>
14 #include <winspool.h>
15 #include <wchar.h>
16
17 typedef struct _MINIMUM_SIZE_TABLE
18 {
19 DWORD dwField;
20 WORD wSize;
21 }
22 MINIMUM_SIZE_TABLE, *PMINIMUM_SIZE_TABLE;
23
24 static MINIMUM_SIZE_TABLE MinimumSizeA[] = {
25 { DM_PANNINGHEIGHT, FIELD_OFFSET(DEVMODEA, dmPanningHeight) + RTL_FIELD_SIZE(DEVMODEA, dmPanningHeight) },
26 { DM_PANNINGWIDTH, FIELD_OFFSET(DEVMODEA, dmPanningWidth) + RTL_FIELD_SIZE(DEVMODEA, dmPanningWidth) },
27 { DM_DITHERTYPE, FIELD_OFFSET(DEVMODEA, dmDitherType) + RTL_FIELD_SIZE(DEVMODEA, dmDitherType) },
28 { DM_MEDIATYPE, FIELD_OFFSET(DEVMODEA, dmMediaType) + RTL_FIELD_SIZE(DEVMODEA, dmMediaType) },
29 { DM_ICMINTENT, FIELD_OFFSET(DEVMODEA, dmICMIntent) + RTL_FIELD_SIZE(DEVMODEA, dmICMIntent) },
30 { DM_ICMMETHOD, FIELD_OFFSET(DEVMODEA, dmICMMethod) + RTL_FIELD_SIZE(DEVMODEA, dmICMMethod) },
31 { DM_DISPLAYFREQUENCY, FIELD_OFFSET(DEVMODEA, dmDisplayFrequency) + RTL_FIELD_SIZE(DEVMODEA, dmDisplayFrequency) },
32 { DM_NUP, FIELD_OFFSET(DEVMODEA, dmNup) + RTL_FIELD_SIZE(DEVMODEA, dmNup) },
33 { DM_DISPLAYFLAGS, FIELD_OFFSET(DEVMODEA, dmDisplayFlags) + RTL_FIELD_SIZE(DEVMODEA, dmDisplayFlags) },
34 { DM_PELSHEIGHT, FIELD_OFFSET(DEVMODEA, dmPelsHeight) + RTL_FIELD_SIZE(DEVMODEA, dmPelsHeight) },
35 { DM_PELSWIDTH, FIELD_OFFSET(DEVMODEA, dmPelsWidth) + RTL_FIELD_SIZE(DEVMODEA, dmPelsWidth) },
36 { DM_BITSPERPEL, FIELD_OFFSET(DEVMODEA, dmBitsPerPel) + RTL_FIELD_SIZE(DEVMODEA, dmBitsPerPel) },
37 { DM_LOGPIXELS, FIELD_OFFSET(DEVMODEA, dmLogPixels) + RTL_FIELD_SIZE(DEVMODEA, dmLogPixels) },
38 { DM_FORMNAME, FIELD_OFFSET(DEVMODEA, dmFormName) + RTL_FIELD_SIZE(DEVMODEA, dmFormName) },
39 { DM_COLLATE, FIELD_OFFSET(DEVMODEA, dmCollate) + RTL_FIELD_SIZE(DEVMODEA, dmCollate) },
40 { DM_TTOPTION, FIELD_OFFSET(DEVMODEA, dmTTOption) + RTL_FIELD_SIZE(DEVMODEA, dmTTOption) },
41 { DM_YRESOLUTION, FIELD_OFFSET(DEVMODEA, dmYResolution) + RTL_FIELD_SIZE(DEVMODEA, dmYResolution) },
42 { DM_DUPLEX, FIELD_OFFSET(DEVMODEA, dmDuplex) + RTL_FIELD_SIZE(DEVMODEA, dmDuplex) },
43 { DM_COLOR, FIELD_OFFSET(DEVMODEA, dmColor) + RTL_FIELD_SIZE(DEVMODEA, dmColor) },
44 { DM_DISPLAYFIXEDOUTPUT, FIELD_OFFSET(DEVMODEA, dmDisplayFixedOutput) + RTL_FIELD_SIZE(DEVMODEA, dmDisplayFixedOutput) },
45 { DM_DISPLAYORIENTATION, FIELD_OFFSET(DEVMODEA, dmDisplayOrientation) + RTL_FIELD_SIZE(DEVMODEA, dmDisplayOrientation) },
46 { DM_POSITION, FIELD_OFFSET(DEVMODEA, dmPosition) + RTL_FIELD_SIZE(DEVMODEA, dmPosition) },
47 { DM_PRINTQUALITY, FIELD_OFFSET(DEVMODEA, dmPrintQuality) + RTL_FIELD_SIZE(DEVMODEA, dmPrintQuality) },
48 { DM_DEFAULTSOURCE, FIELD_OFFSET(DEVMODEA, dmDefaultSource) + RTL_FIELD_SIZE(DEVMODEA, dmDefaultSource) },
49 { DM_COPIES, FIELD_OFFSET(DEVMODEA, dmCopies) + RTL_FIELD_SIZE(DEVMODEA, dmCopies) },
50 { DM_SCALE, FIELD_OFFSET(DEVMODEA, dmScale) + RTL_FIELD_SIZE(DEVMODEA, dmScale) },
51 { DM_PAPERWIDTH, FIELD_OFFSET(DEVMODEA, dmPaperWidth) + RTL_FIELD_SIZE(DEVMODEA, dmPaperWidth) },
52 { DM_PAPERLENGTH, FIELD_OFFSET(DEVMODEA, dmPaperLength) + RTL_FIELD_SIZE(DEVMODEA, dmPaperLength) },
53 { DM_PAPERSIZE, FIELD_OFFSET(DEVMODEA, dmPaperSize) + RTL_FIELD_SIZE(DEVMODEA, dmPaperSize) },
54 { DM_ORIENTATION, FIELD_OFFSET(DEVMODEA, dmOrientation) + RTL_FIELD_SIZE(DEVMODEA, dmOrientation) },
55 { 0, FIELD_OFFSET(DEVMODEA, dmFields) + RTL_FIELD_SIZE(DEVMODEA, dmFields) }
56 };
57
58 static MINIMUM_SIZE_TABLE MinimumSizeW[] = {
59 { DM_PANNINGHEIGHT, FIELD_OFFSET(DEVMODEW, dmPanningHeight) + RTL_FIELD_SIZE(DEVMODEW, dmPanningHeight) },
60 { DM_PANNINGWIDTH, FIELD_OFFSET(DEVMODEW, dmPanningWidth) + RTL_FIELD_SIZE(DEVMODEW, dmPanningWidth) },
61 { DM_DITHERTYPE, FIELD_OFFSET(DEVMODEW, dmDitherType) + RTL_FIELD_SIZE(DEVMODEW, dmDitherType) },
62 { DM_MEDIATYPE, FIELD_OFFSET(DEVMODEW, dmMediaType) + RTL_FIELD_SIZE(DEVMODEW, dmMediaType) },
63 { DM_ICMINTENT, FIELD_OFFSET(DEVMODEW, dmICMIntent) + RTL_FIELD_SIZE(DEVMODEW, dmICMIntent) },
64 { DM_ICMMETHOD, FIELD_OFFSET(DEVMODEW, dmICMMethod) + RTL_FIELD_SIZE(DEVMODEW, dmICMMethod) },
65 { DM_DISPLAYFREQUENCY, FIELD_OFFSET(DEVMODEW, dmDisplayFrequency) + RTL_FIELD_SIZE(DEVMODEW, dmDisplayFrequency) },
66 { DM_NUP, FIELD_OFFSET(DEVMODEW, dmNup) + RTL_FIELD_SIZE(DEVMODEW, dmNup) },
67 { DM_DISPLAYFLAGS, FIELD_OFFSET(DEVMODEW, dmDisplayFlags) + RTL_FIELD_SIZE(DEVMODEW, dmDisplayFlags) },
68 { DM_PELSHEIGHT, FIELD_OFFSET(DEVMODEW, dmPelsHeight) + RTL_FIELD_SIZE(DEVMODEW, dmPelsHeight) },
69 { DM_PELSWIDTH, FIELD_OFFSET(DEVMODEW, dmPelsWidth) + RTL_FIELD_SIZE(DEVMODEW, dmPelsWidth) },
70 { DM_BITSPERPEL, FIELD_OFFSET(DEVMODEW, dmBitsPerPel) + RTL_FIELD_SIZE(DEVMODEW, dmBitsPerPel) },
71 { DM_LOGPIXELS, FIELD_OFFSET(DEVMODEW, dmLogPixels) + RTL_FIELD_SIZE(DEVMODEW, dmLogPixels) },
72 { DM_FORMNAME, FIELD_OFFSET(DEVMODEW, dmFormName) + RTL_FIELD_SIZE(DEVMODEW, dmFormName) },
73 { DM_COLLATE, FIELD_OFFSET(DEVMODEW, dmCollate) + RTL_FIELD_SIZE(DEVMODEW, dmCollate) },
74 { DM_TTOPTION, FIELD_OFFSET(DEVMODEW, dmTTOption) + RTL_FIELD_SIZE(DEVMODEW, dmTTOption) },
75 { DM_YRESOLUTION, FIELD_OFFSET(DEVMODEW, dmYResolution) + RTL_FIELD_SIZE(DEVMODEW, dmYResolution) },
76 { DM_DUPLEX, FIELD_OFFSET(DEVMODEW, dmDuplex) + RTL_FIELD_SIZE(DEVMODEW, dmDuplex) },
77 { DM_COLOR, FIELD_OFFSET(DEVMODEW, dmColor) + RTL_FIELD_SIZE(DEVMODEW, dmColor) },
78 { DM_DISPLAYFIXEDOUTPUT, FIELD_OFFSET(DEVMODEW, dmDisplayFixedOutput) + RTL_FIELD_SIZE(DEVMODEW, dmDisplayFixedOutput) },
79 { DM_DISPLAYORIENTATION, FIELD_OFFSET(DEVMODEW, dmDisplayOrientation) + RTL_FIELD_SIZE(DEVMODEW, dmDisplayOrientation) },
80 { DM_POSITION, FIELD_OFFSET(DEVMODEW, dmPosition) + RTL_FIELD_SIZE(DEVMODEW, dmPosition) },
81 { DM_PRINTQUALITY, FIELD_OFFSET(DEVMODEW, dmPrintQuality) + RTL_FIELD_SIZE(DEVMODEW, dmPrintQuality) },
82 { DM_DEFAULTSOURCE, FIELD_OFFSET(DEVMODEW, dmDefaultSource) + RTL_FIELD_SIZE(DEVMODEW, dmDefaultSource) },
83 { DM_COPIES, FIELD_OFFSET(DEVMODEW, dmCopies) + RTL_FIELD_SIZE(DEVMODEW, dmCopies) },
84 { DM_SCALE, FIELD_OFFSET(DEVMODEW, dmScale) + RTL_FIELD_SIZE(DEVMODEW, dmScale) },
85 { DM_PAPERWIDTH, FIELD_OFFSET(DEVMODEW, dmPaperWidth) + RTL_FIELD_SIZE(DEVMODEW, dmPaperWidth) },
86 { DM_PAPERLENGTH, FIELD_OFFSET(DEVMODEW, dmPaperLength) + RTL_FIELD_SIZE(DEVMODEW, dmPaperLength) },
87 { DM_PAPERSIZE, FIELD_OFFSET(DEVMODEW, dmPaperSize) + RTL_FIELD_SIZE(DEVMODEW, dmPaperSize) },
88 { DM_ORIENTATION, FIELD_OFFSET(DEVMODEW, dmOrientation) + RTL_FIELD_SIZE(DEVMODEW, dmOrientation) },
89 { 0, FIELD_OFFSET(DEVMODEW, dmFields) + RTL_FIELD_SIZE(DEVMODEW, dmFields) }
90 };
91
92
93
94 START_TEST(IsValidDevmodeA)
95 {
96 DEVMODEA DevMode;
97 PMINIMUM_SIZE_TABLE pTable = MinimumSizeA;
98
99 // Give no Devmode at all, this has to fail without crashing.
100 SetLastError(0xDEADBEEF);
101 ok(!IsValidDevmodeA(NULL, sizeof(DEVMODEA)), "IsValidDevmodeA returns TRUE!\n");
102 ok(GetLastError() == ERROR_INVALID_DATA, "IsValidDevmodeA returns error %lu!\n", GetLastError());
103
104 // Give a zeroed Devmode, this has to fail, because dmSize isn't set.
105 ZeroMemory(&DevMode, sizeof(DEVMODEA));
106 SetLastError(0xDEADBEEF);
107 ok(!IsValidDevmodeA(&DevMode, sizeof(DEVMODEA)), "IsValidDevmodeA returns TRUE!\n");
108 ok(GetLastError() == ERROR_INVALID_DATA, "IsValidDevmodeA returns error %lu!\n", GetLastError());
109
110 // Now set only the dmSize member, IsValidDevmodeA should return TRUE now. The Last Error isn't touched again.
111 ZeroMemory(&DevMode, sizeof(DEVMODEA));
112 DevMode.dmSize = sizeof(DEVMODEA);
113 SetLastError(0xDEADBEEF);
114 ok(IsValidDevmodeA(&DevMode, sizeof(DEVMODEA)), "IsValidDevmodeA returns FALSE!\n");
115 ok(GetLastError() == 0xDEADBEEF, "IsValidDevmodeA returns error %lu!\n", GetLastError());
116
117 // IsValidDevmodeA should also succeed if the DevMode appears to be larger.
118 ZeroMemory(&DevMode, sizeof(DEVMODEA));
119 DevMode.dmSize = sizeof(DEVMODEA) + 1;
120 SetLastError(0xDEADBEEF);
121 ok(IsValidDevmodeA(&DevMode, sizeof(DEVMODEA) + 1), "IsValidDevmodeA returns FALSE!\n");
122 ok(GetLastError() == 0xDEADBEEF, "IsValidDevmodeA returns error %lu!\n", GetLastError());
123
124 // The DevmodeSize parameter may be larger than dmSize, but not the other way round!
125 ZeroMemory(&DevMode, sizeof(DEVMODEA));
126 DevMode.dmSize = sizeof(DEVMODEA);
127 SetLastError(0xDEADBEEF);
128 ok(IsValidDevmodeA(&DevMode, sizeof(DEVMODEA) + 1), "IsValidDevmodeA returns FALSE!\n");
129 ok(GetLastError() == 0xDEADBEEF, "IsValidDevmodeA returns error %lu!\n", GetLastError());
130
131 ZeroMemory(&DevMode, sizeof(DEVMODEA));
132 DevMode.dmSize = sizeof(DEVMODEA) + 1;
133 SetLastError(0xDEADBEEF);
134 ok(!IsValidDevmodeA(&DevMode, sizeof(DEVMODEA)), "IsValidDevmodeA returns TRUE!\n");
135 ok(GetLastError() == ERROR_INVALID_DATA, "IsValidDevmodeA returns error %lu!\n", GetLastError());
136
137 // dmDriverExtra is also taken into account.
138 ZeroMemory(&DevMode, sizeof(DEVMODEA));
139 DevMode.dmSize = sizeof(DEVMODEA);
140 DevMode.dmDriverExtra = 1;
141 SetLastError(0xDEADBEEF);
142 ok(!IsValidDevmodeA(&DevMode, sizeof(DEVMODEA)), "IsValidDevmodeA returns TRUE!\n");
143 ok(GetLastError() == ERROR_INVALID_DATA, "IsValidDevmodeA returns error %lu!\n", GetLastError());
144
145 SetLastError(0xDEADBEEF);
146 ok(IsValidDevmodeA(&DevMode, sizeof(DEVMODEA) + 1), "IsValidDevmodeA returns FALSE!\n");
147 ok(GetLastError() == 0xDEADBEEF, "IsValidDevmodeA returns error %lu!\n", GetLastError());
148
149 // dmSize must be a multiple of 4 if any dmDriverExtra is given.
150 for (DevMode.dmDriverExtra = 1; DevMode.dmDriverExtra <= 4; DevMode.dmDriverExtra++)
151 {
152 for (DevMode.dmSize = sizeof(DEVMODEA); DevMode.dmSize < sizeof(DEVMODEA) + 4; DevMode.dmSize++)
153 {
154 BOOL bExpected = (DevMode.dmSize % 4 == 0);
155 DWORD dwExpectedError = (bExpected ? 0xDEADBEEF : ERROR_INVALID_DATA);
156
157 SetLastError(0xDEADBEEF);
158 ok(IsValidDevmodeA(&DevMode, DevMode.dmSize + DevMode.dmDriverExtra) == bExpected, "IsValidDevmodeA returns %d!\n", !bExpected);
159 ok(GetLastError() == dwExpectedError, "IsValidDevmodeA returns error %lu!\n", GetLastError());
160 }
161 }
162
163 // IsValidDevmodeA also fixes missing null-terminations if the corresponding fields are used.
164 ZeroMemory(&DevMode, sizeof(DEVMODEA));
165 DevMode.dmSize = sizeof(DEVMODEA);
166 memset(DevMode.dmDeviceName, 'A', 32);
167 memset(DevMode.dmFormName, 'A', 32);
168 ok(IsValidDevmodeA(&DevMode, DevMode.dmSize), "IsValidDevmodeA returns FALSE!\n");
169 ok(DevMode.dmDeviceName[31] == '\0', "Expected dmDeviceName to be '\\0', but is '%c'\n", DevMode.dmDeviceName[31]);
170 ok(DevMode.dmFormName[31] == 'A', "Expected dmFormName to be 'A', but is '%c'\n", DevMode.dmDeviceName[31]);
171
172 ZeroMemory(&DevMode, sizeof(DEVMODEA));
173 DevMode.dmSize = sizeof(DEVMODEA);
174 DevMode.dmFields = DM_FORMNAME;
175 memset(DevMode.dmDeviceName, 'A', 32);
176 memset(DevMode.dmFormName, 'A', 32);
177 ok(IsValidDevmodeA(&DevMode, DevMode.dmSize), "IsValidDevmodeA returns FALSE!\n");
178 ok(DevMode.dmDeviceName[31] == '\0', "Expected dmDeviceName to be '\\0', but is '%c'\n", DevMode.dmDeviceName[31]);
179 ok(DevMode.dmFormName[31] == '\0', "Expected dmFormName to be '\\0', but is '%c'\n", DevMode.dmDeviceName[31]);
180
181 // Depending on which fields are given in dmFields, the minimum value for dmSize is different.
182 ZeroMemory(&DevMode, sizeof(DEVMODEA));
183
184 do
185 {
186 DevMode.dmFields = pTable->dwField;
187 DevMode.dmSize = pTable->wSize;
188
189 // This size should succeed!
190 ok(IsValidDevmodeA(&DevMode, DevMode.dmSize), "IsValidDevmodeA returns FALSE!\n");
191
192 // One byte less should not succeed!
193 DevMode.dmSize--;
194 ok(!IsValidDevmodeA(&DevMode, DevMode.dmSize), "IsValidDevmodeA returns TRUE!\n");
195
196 pTable++;
197 }
198 while (pTable->dwField);
199 }
200
201 START_TEST(IsValidDevmodeW)
202 {
203 DEVMODEW DevMode;
204 PMINIMUM_SIZE_TABLE pTable = MinimumSizeW;
205
206 // Give no Devmode at all, this has to fail without crashing.
207 SetLastError(0xDEADBEEF);
208 ok(!IsValidDevmodeW(NULL, sizeof(DEVMODEW)), "IsValidDevmodeW returns TRUE!\n");
209 ok(GetLastError() == ERROR_INVALID_DATA, "IsValidDevmodeW returns error %lu!\n", GetLastError());
210
211 // Give a zeroed Devmode, this has to fail, because dmSize isn't set.
212 ZeroMemory(&DevMode, sizeof(DEVMODEW));
213 SetLastError(0xDEADBEEF);
214 ok(!IsValidDevmodeW(&DevMode, sizeof(DEVMODEW)), "IsValidDevmodeW returns TRUE!\n");
215 ok(GetLastError() == ERROR_INVALID_DATA, "IsValidDevmodeW returns error %lu!\n", GetLastError());
216
217 // Now set only the dmSize member, IsValidDevmodeW should return TRUE now. The Last Error isn't touched again.
218 ZeroMemory(&DevMode, sizeof(DEVMODEW));
219 DevMode.dmSize = sizeof(DEVMODEW);
220 SetLastError(0xDEADBEEF);
221 ok(IsValidDevmodeW(&DevMode, sizeof(DEVMODEW)), "IsValidDevmodeW returns FALSE!\n");
222 ok(GetLastError() == 0xDEADBEEF, "IsValidDevmodeW returns error %lu!\n", GetLastError());
223
224 // IsValidDevmodeW should also succeed if the DevMode appears to be larger.
225 ZeroMemory(&DevMode, sizeof(DEVMODEW));
226 DevMode.dmSize = sizeof(DEVMODEW) + 1;
227 SetLastError(0xDEADBEEF);
228 ok(IsValidDevmodeW(&DevMode, sizeof(DEVMODEW) + 1), "IsValidDevmodeW returns FALSE!\n");
229 ok(GetLastError() == 0xDEADBEEF, "IsValidDevmodeW returns error %lu!\n", GetLastError());
230
231 // The DevmodeSize parameter may be larger than dmSize, but not the other way round!
232 ZeroMemory(&DevMode, sizeof(DEVMODEW));
233 DevMode.dmSize = sizeof(DEVMODEW);
234 SetLastError(0xDEADBEEF);
235 ok(IsValidDevmodeW(&DevMode, sizeof(DEVMODEW) + 1), "IsValidDevmodeW returns FALSE!\n");
236 ok(GetLastError() == 0xDEADBEEF, "IsValidDevmodeW returns error %lu!\n", GetLastError());
237
238 ZeroMemory(&DevMode, sizeof(DEVMODEW));
239 DevMode.dmSize = sizeof(DEVMODEW) + 1;
240 SetLastError(0xDEADBEEF);
241 ok(!IsValidDevmodeW(&DevMode, sizeof(DEVMODEW)), "IsValidDevmodeW returns TRUE!\n");
242 ok(GetLastError() == ERROR_INVALID_DATA, "IsValidDevmodeW returns error %lu!\n", GetLastError());
243
244 // dmDriverExtra is also taken into account.
245 ZeroMemory(&DevMode, sizeof(DEVMODEW));
246 DevMode.dmSize = sizeof(DEVMODEW);
247 DevMode.dmDriverExtra = 1;
248 SetLastError(0xDEADBEEF);
249 ok(!IsValidDevmodeW(&DevMode, sizeof(DEVMODEW)), "IsValidDevmodeW returns TRUE!\n");
250 ok(GetLastError() == ERROR_INVALID_DATA, "IsValidDevmodeW returns error %lu!\n", GetLastError());
251
252 SetLastError(0xDEADBEEF);
253 ok(IsValidDevmodeW(&DevMode, sizeof(DEVMODEW) + 1), "IsValidDevmodeW returns FALSE!\n");
254 ok(GetLastError() == 0xDEADBEEF, "IsValidDevmodeW returns error %lu!\n", GetLastError());
255
256 // dmSize must be a multiple of 4 if any dmDriverExtra is given.
257 for (DevMode.dmDriverExtra = 1; DevMode.dmDriverExtra <= 4; DevMode.dmDriverExtra++)
258 {
259 for (DevMode.dmSize = sizeof(DEVMODEW); DevMode.dmSize < sizeof(DEVMODEW) + 4; DevMode.dmSize++)
260 {
261 BOOL bExpected = (DevMode.dmSize % 4 == 0);
262 DWORD dwExpectedError = (bExpected ? 0xDEADBEEF : ERROR_INVALID_DATA);
263
264 SetLastError(0xDEADBEEF);
265 ok(IsValidDevmodeW(&DevMode, DevMode.dmSize + DevMode.dmDriverExtra) == bExpected, "IsValidDevmodeW returns %d!\n", !bExpected);
266 ok(GetLastError() == dwExpectedError, "IsValidDevmodeW returns error %lu!\n", GetLastError());
267 }
268 }
269
270 // IsValidDevmodeW also fixes missing null-terminations if the corresponding fields are used.
271 ZeroMemory(&DevMode, sizeof(DEVMODEW));
272 DevMode.dmSize = sizeof(DEVMODEW);
273 wmemset(DevMode.dmDeviceName, L'A', 32);
274 wmemset(DevMode.dmFormName, L'A', 32);
275 ok(IsValidDevmodeW(&DevMode, DevMode.dmSize), "IsValidDevmodeW returns FALSE!\n");
276 ok(DevMode.dmDeviceName[31] == L'\0', "Expected dmDeviceName to be '\\0', but is '%C'\n", DevMode.dmDeviceName[31]);
277 ok(DevMode.dmFormName[31] == L'A', "Expected dmFormName to be 'A', but is '%C'\n", DevMode.dmDeviceName[31]);
278
279 ZeroMemory(&DevMode, sizeof(DEVMODEW));
280 DevMode.dmSize = sizeof(DEVMODEW);
281 DevMode.dmFields = DM_FORMNAME;
282 wmemset(DevMode.dmDeviceName, L'A', 32);
283 wmemset(DevMode.dmFormName, L'A', 32);
284 ok(IsValidDevmodeW(&DevMode, DevMode.dmSize), "IsValidDevmodeW returns FALSE!\n");
285 ok(DevMode.dmDeviceName[31] == L'\0', "Expected dmDeviceName to be '\\0', but is '%C'\n", DevMode.dmDeviceName[31]);
286 ok(DevMode.dmFormName[31] == L'\0', "Expected dmFormName to be '\\0', but is '%C'\n", DevMode.dmDeviceName[31]);
287
288 // Depending on which fields are given in dmFields, the minimum value for dmSize is different.
289 ZeroMemory(&DevMode, sizeof(DEVMODEW));
290
291 do
292 {
293 DevMode.dmFields = pTable->dwField;
294 DevMode.dmSize = pTable->wSize;
295
296 // This size should succeed!
297 ok(IsValidDevmodeW(&DevMode, DevMode.dmSize), "IsValidDevmodeW returns FALSE!\n");
298
299 // One byte less should not succeed!
300 DevMode.dmSize--;
301 ok(!IsValidDevmodeW(&DevMode, DevMode.dmSize), "IsValidDevmodeW returns TRUE!\n");
302
303 pTable++;
304 }
305 while (pTable->dwField);
306 }