1 /*
2  * Unit test suite for GDI objects
3  *
4  * Copyright 2002 Mike McCormack
5  * Copyright 2004 Dmitry Timoshkov
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 <assert.h>
24 
25 #include "windef.h"
26 #include "winbase.h"
27 #include "wingdi.h"
28 #include "winuser.h"
29 
30 #include "wine/test.h"
31 
32 static void test_gdi_objects(void)
33 {
34     BYTE buff[256];
35     HDC hdc = GetDC(NULL);
36     HPEN hp;
37     int i;
38     BOOL ret;
39 
40     /* SelectObject() with a NULL DC returns 0 and sets ERROR_INVALID_HANDLE.
41      * Note: Under XP at least invalid ptrs can also be passed, not just NULL;
42      *       Don't test that here in case it crashes earlier win versions.
43      */
44     SetLastError(0);
45     hp = SelectObject(NULL, GetStockObject(BLACK_PEN));
46     ok(!hp && (GetLastError() == ERROR_INVALID_HANDLE || broken(!GetLastError())),
47        "SelectObject(NULL DC) expected 0, ERROR_INVALID_HANDLE, got %p, %u\n",
48        hp, GetLastError());
49 
50     /* With a valid DC and a NULL object, the call returns 0 but does not SetLastError() */
51     SetLastError(0);
52     hp = SelectObject(hdc, NULL);
53     ok(!hp && !GetLastError(),
54        "SelectObject(NULL obj) expected 0, NO_ERROR, got %p, %u\n",
55        hp, GetLastError());
56 
57     /* The DC is unaffected by the NULL SelectObject */
58     SetLastError(0);
59     hp = SelectObject(hdc, GetStockObject(BLACK_PEN));
60     ok(hp && !GetLastError(),
61        "SelectObject(post NULL) expected non-null, NO_ERROR, got %p, %u\n",
62        hp, GetLastError());
63 
64     /* GetCurrentObject does not SetLastError() on a null object */
65     SetLastError(0);
66     hp = GetCurrentObject(NULL, OBJ_PEN);
67     ok(!hp && !GetLastError(),
68        "GetCurrentObject(NULL DC) expected 0, NO_ERROR, got %p, %u\n",
69        hp, GetLastError());
70 
71     /* DeleteObject does not SetLastError() on a null object */
72     ret = DeleteObject(NULL);
73     ok( !ret && !GetLastError(),
74        "DeleteObject(NULL obj), expected 0, NO_ERROR, got %d, %u\n",
75        ret, GetLastError());
76 
77     /* GetObject does not SetLastError() on a null object */
78     SetLastError(0);
79     i = GetObjectA(NULL, sizeof(buff), buff);
80     ok (!i && (GetLastError() == 0 || GetLastError() == ERROR_INVALID_PARAMETER),
81         "GetObject(NULL obj), expected 0, NO_ERROR, got %d, %u\n",
82 	i, GetLastError());
83 
84     /* GetObject expects ERROR_NOACCESS when passed an invalid buffer */
85     hp = SelectObject(hdc, GetStockObject(BLACK_PEN));
86     SetLastError(0);
87     i = GetObjectA(hp, (INT_PTR)buff, (LPVOID)sizeof(buff));
88     ok (!i && (GetLastError() == 0 || GetLastError() == ERROR_NOACCESS),
89         "GetObject(invalid buff), expected 0, ERROR_NOACCESS, got %d, %u\n",
90     i, GetLastError());
91 
92     /* GetObjectType does SetLastError() on a null object */
93     SetLastError(0);
94     i = GetObjectType(NULL);
95     ok (!i && GetLastError() == ERROR_INVALID_HANDLE,
96         "GetObjectType(NULL obj), expected 0, ERROR_INVALID_HANDLE, got %d, %u\n",
97         i, GetLastError());
98 
99     /* UnrealizeObject does not SetLastError() on a null object */
100     SetLastError(0);
101     i = UnrealizeObject(NULL);
102     ok (!i && !GetLastError(),
103         "UnrealizeObject(NULL obj), expected 0, NO_ERROR, got %d, %u\n",
104         i, GetLastError());
105 
106     ReleaseDC(NULL, hdc);
107 }
108 
109 struct hgdiobj_event
110 {
111     HDC hdc;
112     HGDIOBJ hgdiobj1;
113     HGDIOBJ hgdiobj2;
114     HANDLE stop_event;
115     HANDLE ready_event;
116 };
117 
118 static DWORD WINAPI thread_proc(void *param)
119 {
120     LOGPEN lp;
121     DWORD status;
122     struct hgdiobj_event *hgdiobj_event = param;
123 
124     hgdiobj_event->hdc = CreateDCA("display", NULL, NULL, NULL);
125     ok(hgdiobj_event->hdc != NULL, "CreateDC error %u\n", GetLastError());
126 
127     hgdiobj_event->hgdiobj1 = CreatePen(PS_DASHDOTDOT, 17, RGB(1, 2, 3));
128     ok(hgdiobj_event->hgdiobj1 != 0, "Failed to create pen\n");
129 
130     hgdiobj_event->hgdiobj2 = CreateRectRgn(0, 1, 12, 17);
131     ok(hgdiobj_event->hgdiobj2 != 0, "Failed to create pen\n");
132 
133     SetEvent(hgdiobj_event->ready_event);
134     status = WaitForSingleObject(hgdiobj_event->stop_event, INFINITE);
135     ok(status == WAIT_OBJECT_0, "WaitForSingleObject error %u\n", GetLastError());
136 
137     ok(!GetObjectA(hgdiobj_event->hgdiobj1, sizeof(lp), &lp), "GetObject should fail\n");
138 
139     ok(!GetDeviceCaps(hgdiobj_event->hdc, TECHNOLOGY), "GetDeviceCaps(TECHNOLOGY) should fail\n");
140 
141     return 0;
142 }
143 
144 static void test_thread_objects(void)
145 {
146     LOGPEN lp;
147     DWORD tid, type;
148     HANDLE hthread;
149     struct hgdiobj_event hgdiobj_event;
150     INT ret;
151     DWORD status;
152     BOOL bRet;
153 
154     hgdiobj_event.stop_event = CreateEventA(NULL, 0, 0, NULL);
155     ok(hgdiobj_event.stop_event != NULL, "CreateEvent error %u\n", GetLastError());
156     hgdiobj_event.ready_event = CreateEventA(NULL, 0, 0, NULL);
157     ok(hgdiobj_event.ready_event != NULL, "CreateEvent error %u\n", GetLastError());
158 
159     hthread = CreateThread(NULL, 0, thread_proc, &hgdiobj_event, 0, &tid);
160     ok(hthread != NULL, "CreateThread error %u\n", GetLastError());
161 
162     status = WaitForSingleObject(hgdiobj_event.ready_event, INFINITE);
163     ok(status == WAIT_OBJECT_0, "WaitForSingleObject error %u\n", GetLastError());
164 
165     ret = GetObjectA(hgdiobj_event.hgdiobj1, sizeof(lp), &lp);
166     ok(ret == sizeof(lp), "GetObject error %u\n", GetLastError());
167     ok(lp.lopnStyle == PS_DASHDOTDOT, "wrong pen style %d\n", lp.lopnStyle);
168     ok(lp.lopnWidth.x == 17, "wrong pen width.y %d\n", lp.lopnWidth.x);
169     ok(lp.lopnWidth.y == 0, "wrong pen width.y %d\n", lp.lopnWidth.y);
170     ok(lp.lopnColor == RGB(1, 2, 3), "wrong pen width.y %08x\n", lp.lopnColor);
171 
172     ret = GetDeviceCaps(hgdiobj_event.hdc, TECHNOLOGY);
173     ok(ret == DT_RASDISPLAY, "GetDeviceCaps(TECHNOLOGY) should return DT_RASDISPLAY not %d\n", ret);
174 
175     bRet = DeleteObject(hgdiobj_event.hgdiobj1);
176     ok(bRet, "DeleteObject error %u\n", GetLastError());
177     bRet = DeleteDC(hgdiobj_event.hdc);
178     ok(bRet, "DeleteDC error %u\n", GetLastError());
179 
180     type = GetObjectType(hgdiobj_event.hgdiobj2);
181     ok(type == OBJ_REGION, "GetObjectType returned %u\n", type);
182 
183     SetEvent(hgdiobj_event.stop_event);
184     status = WaitForSingleObject(hthread, INFINITE);
185     ok(status == WAIT_OBJECT_0, "WaitForSingleObject error %u\n", GetLastError());
186     CloseHandle(hthread);
187 
188     type = GetObjectType(hgdiobj_event.hgdiobj2);
189     ok(type == OBJ_REGION, "GetObjectType returned %u\n", type);
190     bRet = DeleteObject(hgdiobj_event.hgdiobj2);
191     ok(bRet, "DeleteObject error %u\n", GetLastError());
192 
193     CloseHandle(hgdiobj_event.stop_event);
194     CloseHandle(hgdiobj_event.ready_event);
195 }
196 
197 static void test_GetCurrentObject(void)
198 {
199     DWORD type;
200     HPEN hpen;
201     HBRUSH hbrush;
202     HPALETTE hpal;
203     HFONT hfont;
204     HBITMAP hbmp;
205     HRGN hrgn;
206     HDC hdc;
207     HCOLORSPACE hcs;
208     HGDIOBJ hobj;
209     LOGBRUSH lb;
210     LOGCOLORSPACEA lcs;
211 
212     hdc = CreateCompatibleDC(0);
213     assert(hdc != 0);
214 
215     type = GetObjectType(hdc);
216     ok(type == OBJ_MEMDC, "GetObjectType returned %u\n", type);
217 
218     hpen = CreatePen(PS_SOLID, 10, RGB(10, 20, 30));
219     assert(hpen != 0);
220     SelectObject(hdc, hpen);
221     hobj = GetCurrentObject(hdc, OBJ_PEN);
222     ok(hobj == hpen, "OBJ_PEN is wrong: %p\n", hobj);
223     hobj = GetCurrentObject(hdc, OBJ_EXTPEN);
224     ok(hobj == hpen, "OBJ_EXTPEN is wrong: %p\n", hobj);
225 
226     hbrush = CreateSolidBrush(RGB(10, 20, 30));
227     assert(hbrush != 0);
228     SelectObject(hdc, hbrush);
229     hobj = GetCurrentObject(hdc, OBJ_BRUSH);
230     ok(hobj == hbrush, "OBJ_BRUSH is wrong: %p\n", hobj);
231 
232     hpal = CreateHalftonePalette(hdc);
233     assert(hpal != 0);
234     SelectPalette(hdc, hpal, FALSE);
235     hobj = GetCurrentObject(hdc, OBJ_PAL);
236     ok(hobj == hpal, "OBJ_PAL is wrong: %p\n", hobj);
237 
238     hfont = CreateFontA(10, 5, 0, 0, FW_DONTCARE, 0, 0, 0, ANSI_CHARSET,
239                         OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
240                         DEFAULT_PITCH, "MS Sans Serif");
241     assert(hfont != 0);
242     SelectObject(hdc, hfont);
243     hobj = GetCurrentObject(hdc, OBJ_FONT);
244     ok(hobj == hfont, "OBJ_FONT is wrong: %p\n", hobj);
245 
246     hbmp = CreateBitmap(100, 100, 1, 1, NULL);
247     assert(hbmp != 0);
248     SelectObject(hdc, hbmp);
249     hobj = GetCurrentObject(hdc, OBJ_BITMAP);
250     ok(hobj == hbmp, "OBJ_BITMAP is wrong: %p\n", hobj);
251 
252     assert(GetObjectA(hbrush, sizeof(lb), &lb) == sizeof(lb));
253     hpen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_SQUARE | PS_JOIN_BEVEL,
254                         10, &lb, 0, NULL);
255     assert(hpen != 0);
256     SelectObject(hdc, hpen);
257     hobj = GetCurrentObject(hdc, OBJ_PEN);
258     ok(hobj == hpen, "OBJ_PEN is wrong: %p\n", hobj);
259     hobj = GetCurrentObject(hdc, OBJ_EXTPEN);
260     ok(hobj == hpen, "OBJ_EXTPEN is wrong: %p\n", hobj);
261 
262     hcs = GetColorSpace(hdc);
263     if (hcs)
264     {
265         trace("current color space is not NULL\n");
266         ok(GetLogColorSpaceA(hcs, &lcs, sizeof(lcs)), "GetLogColorSpace failed\n");
267         hcs = CreateColorSpaceA(&lcs);
268         ok(hcs != 0, "CreateColorSpace failed\n");
269         SelectObject(hdc, hcs);
270         hobj = GetCurrentObject(hdc, OBJ_COLORSPACE);
271         ok(hobj == hcs, "OBJ_COLORSPACE is wrong: %p\n", hobj);
272     }
273 
274     hrgn = CreateRectRgn(1, 1, 100, 100);
275     assert(hrgn != 0);
276     SelectObject(hdc, hrgn);
277     hobj = GetCurrentObject(hdc, OBJ_REGION);
278     ok(!hobj, "OBJ_REGION is wrong: %p\n", hobj);
279 
280     DeleteDC(hdc);
281 }
282 
283 static void test_region(void)
284 {
285     HRGN hrgn = CreateRectRgn(10, 10, 20, 20);
286     RECT rc = { 5, 5, 15, 15 };
287     BOOL ret = RectInRegion( hrgn, &rc);
288     ok( ret, "RectInRegion should return TRUE\n");
289     /* swap left and right */
290     SetRect( &rc, 15, 5, 5, 15 );
291     ret = RectInRegion( hrgn, &rc);
292     ok( ret, "RectInRegion should return TRUE\n");
293     /* swap top and bottom */
294     SetRect( &rc, 5, 15, 15, 5 );
295     ret = RectInRegion( hrgn, &rc);
296     ok( ret, "RectInRegion should return TRUE\n");
297     /* swap both */
298     SetRect( &rc, 15, 15, 5, 5 );
299     ret = RectInRegion( hrgn, &rc);
300     ok( ret, "RectInRegion should return TRUE\n");
301     DeleteObject(hrgn);
302     /* swap left and right in the region */
303     hrgn = CreateRectRgn(20, 10, 10, 20);
304     SetRect( &rc, 5, 5, 15, 15 );
305     ret = RectInRegion( hrgn, &rc);
306     ok( ret, "RectInRegion should return TRUE\n");
307     /* swap left and right */
308     SetRect( &rc, 15, 5, 5, 15 );
309     ret = RectInRegion( hrgn, &rc);
310     ok( ret, "RectInRegion should return TRUE\n");
311     /* swap top and bottom */
312     SetRect( &rc, 5, 15, 15, 5 );
313     ret = RectInRegion( hrgn, &rc);
314     ok( ret, "RectInRegion should return TRUE\n");
315     /* swap both */
316     SetRect( &rc, 15, 15, 5, 5 );
317     ret = RectInRegion( hrgn, &rc);
318     ok( ret, "RectInRegion should return TRUE\n");
319     DeleteObject(hrgn);
320 }
321 
322 static void test_handles_on_win64(void)
323 {
324     int i;
325     BOOL ret;
326     DWORD type;
327     HRGN hrgn, hrgn_test;
328 
329     static const struct
330     {
331         ULONG high;
332         ULONG low;
333         BOOL  ret;
334     } cases[] =
335     {
336         { 0x00000000, 0x00000000, TRUE  },
337         { 0x00000000, 0x0000ffe0, FALSE }, /* just over MAX_LARGE_HANDLES */
338         { 0x00000000, 0x0000ffb0, FALSE }, /* just under MAX_LARGE_HANDLES */
339         { 0xffffffff, 0xffff0000, FALSE },
340         { 0xffffffff, 0x00000000, TRUE  },
341         { 0xdeadbeef, 0x00000000, TRUE  },
342         { 0xcccccccc, 0xcccccccc, FALSE }
343     };
344 
345     if (sizeof(void*) != 8)
346         return;
347 
348     for (i = 0; i < sizeof(cases)/sizeof(cases[0]); i++)
349     {
350         hrgn = CreateRectRgn(10, 10, 20, 20);
351         hrgn_test = (HRGN)(ULONG_PTR)((ULONG_PTR)hrgn | ((ULONGLONG)cases[i].high << 32) | cases[i].low);
352         type = GetObjectType( hrgn_test );
353         if (cases[i].ret)
354             ok( type == OBJ_REGION, "wrong type %u\n", type );
355         else
356             ok( type == 0, "wrong type %u\n", type );
357         ret = DeleteObject(hrgn_test);
358         ok( cases[i].ret == ret, "DeleteObject should return %s (%p)\n",
359             cases[i].ret ? "TRUE" : "FALSE", hrgn_test);
360         /* actually free it if above is expected to fail */
361         if (!ret) DeleteObject(hrgn);
362     }
363 }
364 
365 START_TEST(gdiobj)
366 {
367     test_gdi_objects();
368     test_thread_objects();
369     test_GetCurrentObject();
370     test_region();
371     test_handles_on_win64();
372 }
373