dlls/user32/tests/clipboard.c

   1 /*
   2  * Unit test suite for clipboard functions.
   3  *
   4  * Copyright 2002 Dmitry Timoshkov
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "wine/test.h"
  22 #include "winbase.h"
  23 #include "winerror.h"
  24 #include "wingdi.h"
  25 #include "winuser.h"
  26
  27 static BOOL is_win9x = FALSE;
  28
  29 #define test_last_error(expected_error) \
  30     do \
  31     { \
  32         if (!is_win9x) \
  33             ok(GetLastError() == expected_error, \
  34                "Last error should be set to %d, not %d\n", \
  35                 expected_error, GetLastError()); \
  36     } while (0)
  37
  38 static void test_ClipboardOwner(void)
  39 {
  40     HWND hWnd1, hWnd2;
  41     BOOL ret;
  42
  43     SetLastError(0xdeadbeef);
  44     ok(!GetClipboardOwner() && GetLastError() == 0xdeadbeef,
  45        "could not perform clipboard test: clipboard already owned\n");
  46
  47     hWnd1 = CreateWindowExA(0, "static", NULL, WS_POPUP,
  48                                  0, 0, 10, 10, 0, 0, 0, NULL);
  49     ok(hWnd1 != 0, "CreateWindowExA error %d\n", GetLastError());
  50     trace("hWnd1 = %p\n", hWnd1);
  51
  52     hWnd2 = CreateWindowExA(0, "static", NULL, WS_POPUP,
  53                                  0, 0, 10, 10, 0, 0, 0, NULL);
  54     ok(hWnd2 != 0, "CreateWindowExA error %d\n", GetLastError());
  55     trace("hWnd2 = %p\n", hWnd2);
  56
  57     SetLastError(0xdeadbeef);
  58     ok(!CloseClipboard(), "CloseClipboard should fail if clipboard wasn't open\n");
  59     ok(GetLastError() == ERROR_CLIPBOARD_NOT_OPEN || broken(GetLastError() == 0xdeadbeef), /* wow64 */
  60        "wrong error %u\n", GetLastError());
  61
  62     ok(OpenClipboard(0), "OpenClipboard failed\n");
  63     ok(!GetClipboardOwner(), "clipboard should still be not owned\n");
  64     ok(!OpenClipboard(hWnd1), "OpenClipboard should fail since clipboard already opened\n");
  65     ret = CloseClipboard();
  66     ok( ret, "CloseClipboard error %d\n", GetLastError());
  67
  68     ok(OpenClipboard(hWnd1), "OpenClipboard failed\n");
  69
  70     SetLastError(0xdeadbeef);
  71     ok(!OpenClipboard(hWnd2) &&
  72        (GetLastError() == 0xdeadbeef || GetLastError() == ERROR_ACCESS_DENIED),
  73        "OpenClipboard should fail without setting last error value, or with ERROR_ACCESS_DENIED, got error %d\n", GetLastError());
  74
  75     SetLastError(0xdeadbeef);
  76     ok(!GetClipboardOwner() && GetLastError() == 0xdeadbeef, "clipboard should still be not owned\n");
  77     ret = EmptyClipboard();
  78     ok( ret, "EmptyClipboard error %d\n", GetLastError());
  79     ok(GetClipboardOwner() == hWnd1, "clipboard should be owned by %p, not by %p\n", hWnd1, GetClipboardOwner());
  80
  81     SetLastError(0xdeadbeef);
  82     ok(!OpenClipboard(hWnd2) &&
  83        (GetLastError() == 0xdeadbeef || GetLastError() == ERROR_ACCESS_DENIED),
  84        "OpenClipboard should fail without setting last error valuei, or with ERROR_ACCESS_DENIED, got error %d\n", GetLastError());
  85
  86     ret = CloseClipboard();
  87     ok( ret, "CloseClipboard error %d\n", GetLastError());
  88     ok(GetClipboardOwner() == hWnd1, "clipboard should still be owned\n");
  89
  90     ret = DestroyWindow(hWnd1);
  91     ok( ret, "DestroyWindow error %d\n", GetLastError());
  92     ret = DestroyWindow(hWnd2);
  93     ok( ret, "DestroyWindow error %d\n", GetLastError());
  94     SetLastError(0xdeadbeef);
  95     ok(!GetClipboardOwner() && GetLastError() == 0xdeadbeef, "clipboard should not be owned\n");
  96 }
  97
  98 static void test_RegisterClipboardFormatA(void)
  99 {
 100     ATOM atom_id;
 101     UINT format_id, format_id2;
 102     char buf[256];
 103     int len;
 104     BOOL ret;
 105
 106     format_id = RegisterClipboardFormatA("my_cool_clipboard_format");
 107     ok(format_id > 0xc000 && format_id < 0xffff, "invalid clipboard format id %04x\n", format_id);
 108
 109     format_id2 = RegisterClipboardFormatA("MY_COOL_CLIPBOARD_FORMAT");
 110     ok(format_id2 == format_id, "invalid clipboard format id %04x\n", format_id2);
 111
 112     len = GetClipboardFormatNameA(format_id, buf, 256);
 113     ok(len == lstrlenA("my_cool_clipboard_format"), "wrong format name length %d\n", len);
 114     ok(!lstrcmpA(buf, "my_cool_clipboard_format"), "wrong format name \"%s\"\n", buf);
 115
 116     lstrcpyA(buf, "foo");
 117     SetLastError(0xdeadbeef);
 118     len = GetAtomNameA((ATOM)format_id, buf, 256);
 119     ok(len == 0, "GetAtomNameA should fail\n");
 120     test_last_error(ERROR_INVALID_HANDLE);
 121
 122 todo_wine
 123 {
 124     lstrcpyA(buf, "foo");
 125     SetLastError(0xdeadbeef);
 126     len = GlobalGetAtomNameA((ATOM)format_id, buf, 256);
 127     ok(len == 0, "GlobalGetAtomNameA should fail\n");
 128     test_last_error(ERROR_INVALID_HANDLE);
 129 }
 130
 131     SetLastError(0xdeadbeef);
 132     atom_id = FindAtomA("my_cool_clipboard_format");
 133     ok(atom_id == 0, "FindAtomA should fail\n");
 134     test_last_error(ERROR_FILE_NOT_FOUND);
 135
 136     if (0)
 137     {
 138     /* this relies on the clipboard and global atom table being different */
 139     SetLastError(0xdeadbeef);
 140     atom_id = GlobalFindAtomA("my_cool_clipboard_format");
 141     ok(atom_id == 0, "GlobalFindAtomA should fail\n");
 142     test_last_error(ERROR_FILE_NOT_FOUND);
 143
 144     for (format_id = 0; format_id < 0xffff; format_id++)
 145     {
 146         SetLastError(0xdeadbeef);
 147         len = GetClipboardFormatNameA(format_id, buf, 256);
 148
 149         if (format_id < 0xc000)
 150         {
 151             ok(!len, "GetClipboardFormatNameA should fail, but it returned %d (%s)\n", len, buf);
 152             test_last_error(ERROR_INVALID_PARAMETER);
 153         }
 154         else
 155         {
 156             if (len)
 157                 trace("%04x: %s\n", format_id, len ? buf : "");
 158             else
 159                 test_last_error(ERROR_INVALID_HANDLE);
 160         }
 161     }
 162     }
 163
 164     ret = OpenClipboard(0);
 165     ok( ret, "OpenClipboard error %d\n", GetLastError());
 166
 167     trace("# of formats available: %d\n", CountClipboardFormats());
 168
 169     format_id = 0;
 170     while ((format_id = EnumClipboardFormats(format_id)))
 171     {
 172         ok(IsClipboardFormatAvailable(format_id), "format %04x was listed as available\n", format_id);
 173         len = GetClipboardFormatNameA(format_id, buf, 256);
 174         trace("%04x: %s\n", format_id, len ? buf : "");
 175     }
 176
 177     ret = EmptyClipboard();
 178     ok( ret, "EmptyClipboard error %d\n", GetLastError());
 179     ret =CloseClipboard();
 180     ok( ret, "CloseClipboard error %d\n", GetLastError());
 181
 182     if (CountClipboardFormats())
 183     {
 184         SetLastError(0xdeadbeef);
 185         ok(!EnumClipboardFormats(0), "EnumClipboardFormats should fail if clipboard wasn't open\n");
 186         ok(GetLastError() == ERROR_CLIPBOARD_NOT_OPEN,
 187            "Last error should be set to ERROR_CLIPBOARD_NOT_OPEN, not %d\n", GetLastError());
 188     }
 189
 190     SetLastError(0xdeadbeef);
 191     ok(!EmptyClipboard(), "EmptyClipboard should fail if clipboard wasn't open\n");
 192     ok(GetLastError() == ERROR_CLIPBOARD_NOT_OPEN || broken(GetLastError() == 0xdeadbeef), /* wow64 */
 193        "Wrong error %u\n", GetLastError());
 194 }
 195
 196 static HGLOBAL create_text(void)
 197 {
 198     HGLOBAL h = GlobalAlloc(GMEM_DDESHARE|GMEM_MOVEABLE, 5);
 199     char *p = GlobalLock(h);
 200     strcpy(p, "test");
 201     GlobalUnlock(h);
 202     return h;
 203 }
 204
 205 static HENHMETAFILE create_emf(void)
 206 {
 207     const RECT rect = {0, 0, 100, 100};
 208     HDC hdc = CreateEnhMetaFileA(NULL, NULL, &rect, "HENHMETAFILE Ole Clipboard Test\0Test\0\0");
 209     ExtTextOutA(hdc, 0, 0, ETO_OPAQUE, &rect, "Test String", strlen("Test String"), NULL);
 210     return CloseEnhMetaFile(hdc);
 211 }
 212
 213 static void test_synthesized(void)
 214 {
 215     HGLOBAL h, htext;
 216     HENHMETAFILE emf;
 217     BOOL r;
 218     UINT cf;
 219
 220     htext = create_text();
 221     emf = create_emf();
 222
 223     r = OpenClipboard(NULL);
 224     ok(r, "gle %d\n", GetLastError());
 225     r = EmptyClipboard();
 226     ok(r, "gle %d\n", GetLastError());
 227     h = SetClipboardData(CF_TEXT, htext);
 228     ok(h == htext, "got %p\n", h);
 229     h = SetClipboardData(CF_ENHMETAFILE, emf);
 230     ok(h == emf, "got %p\n", h);
 231     r = CloseClipboard();
 232     ok(r, "gle %d\n", GetLastError());
 233
 234     r = OpenClipboard(NULL);
 235     ok(r, "gle %d\n", GetLastError());
 236     cf = EnumClipboardFormats(0);
 237     ok(cf == CF_TEXT, "cf %08x\n", cf);
 238
 239     cf = EnumClipboardFormats(cf);
 240     ok(cf == CF_ENHMETAFILE, "cf %08x\n", cf);
 241
 242     cf = EnumClipboardFormats(cf);
 243     todo_wine ok(cf == CF_LOCALE, "cf %08x\n", cf);
 244     if(cf == CF_LOCALE)
 245         cf = EnumClipboardFormats(cf);
 246     ok(cf == CF_OEMTEXT, "cf %08x\n", cf);
 247
 248     cf = EnumClipboardFormats(cf);
 249     ok(cf == CF_UNICODETEXT ||
 250        broken(cf == CF_METAFILEPICT), /* win9x and winME has no CF_UNICODETEXT */
 251        "cf %08x\n", cf);
 252
 253     if(cf == CF_UNICODETEXT)
 254         cf = EnumClipboardFormats(cf);
 255     ok(cf == CF_METAFILEPICT, "cf %08x\n", cf);
 256
 257     cf = EnumClipboardFormats(cf);
 258     ok(cf == 0, "cf %08x\n", cf);
 259
 260     r = EmptyClipboard();
 261     ok(r, "gle %d\n", GetLastError());
 262
 263     r = CloseClipboard();
 264     ok(r, "gle %d\n", GetLastError());
 265 }
 266
 267 START_TEST(clipboard)
 268 {
 269     SetLastError(0xdeadbeef);
 270     FindAtomW(NULL);
 271     if (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED) is_win9x = TRUE;
 272
 273     test_RegisterClipboardFormatA();
 274     test_ClipboardOwner();
 275     test_synthesized();
 276 }