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 "winuser.h"
  25
  26 static BOOL is_win9x = FALSE;
  27
  28 #define test_last_error(expected_error) \
  29     do \
  30     { \
  31         if (!is_win9x) \
  32             ok(GetLastError() == expected_error, \
  33                "Last error should be set to %d, not %d\n", \
  34                 expected_error, GetLastError()); \
  35     } while (0)
  36
  37 static void test_ClipboardOwner(void)
  38 {
  39     HWND hWnd1, hWnd2;
  40     BOOL ret;
  41
  42     SetLastError(0xdeadbeef);
  43     ok(!GetClipboardOwner() && GetLastError() == 0xdeadbeef,
  44        "could not perform clipboard test: clipboard already owned\n");
  45
  46     hWnd1 = CreateWindowExA(0, "static", NULL, WS_POPUP,
  47                                  0, 0, 10, 10, 0, 0, 0, NULL);
  48     ok(hWnd1 != 0, "CreateWindowExA error %d\n", GetLastError());
  49     trace("hWnd1 = %p\n", hWnd1);
  50
  51     hWnd2 = CreateWindowExA(0, "static", NULL, WS_POPUP,
  52                                  0, 0, 10, 10, 0, 0, 0, NULL);
  53     ok(hWnd2 != 0, "CreateWindowExA error %d\n", GetLastError());
  54     trace("hWnd2 = %p\n", hWnd2);
  55
  56     SetLastError(0xdeadbeef);
  57     ok(!CloseClipboard(), "CloseClipboard should fail if clipboard wasn't open\n");
  58     test_last_error(ERROR_CLIPBOARD_NOT_OPEN);
  59
  60     ok(OpenClipboard(0), "OpenClipboard failed\n");
  61     ok(!GetClipboardOwner(), "clipboard should still be not owned\n");
  62     ok(!OpenClipboard(hWnd1), "OpenClipboard should fail since clipboard already opened\n");
  63     ret = CloseClipboard();
  64     ok( ret, "CloseClipboard error %d\n", GetLastError());
  65
  66     ok(OpenClipboard(hWnd1), "OpenClipboard failed\n");
  67
  68     SetLastError(0xdeadbeef);
  69     ok(!OpenClipboard(hWnd2) && GetLastError() == 0xdeadbeef,
  70        "OpenClipboard should fail without setting last error value\n");
  71
  72     SetLastError(0xdeadbeef);
  73     ok(!GetClipboardOwner() && GetLastError() == 0xdeadbeef, "clipboard should still be not owned\n");
  74     ret = EmptyClipboard();
  75     ok( ret, "EmptyClipboard error %d\n", GetLastError());
  76     ok(GetClipboardOwner() == hWnd1, "clipboard should be owned by %p, not by %p\n", hWnd1, GetClipboardOwner());
  77
  78     SetLastError(0xdeadbeef);
  79     ok(!OpenClipboard(hWnd2) && GetLastError() == 0xdeadbeef,
  80        "OpenClipboard should fail without setting last error value\n");
  81
  82     ret = CloseClipboard();
  83     ok( ret, "CloseClipboard error %d\n", GetLastError());
  84     ok(GetClipboardOwner() == hWnd1, "clipboard should still be owned\n");
  85
  86     ret = DestroyWindow(hWnd1);
  87     ok( ret, "DestroyWindow error %d\n", GetLastError());
  88     ret = DestroyWindow(hWnd2);
  89     ok( ret, "DestroyWindow error %d\n", GetLastError());
  90     SetLastError(0xdeadbeef);
  91     ok(!GetClipboardOwner() && GetLastError() == 0xdeadbeef, "clipboard should not be owned\n");
  92 }
  93
  94 static void test_RegisterClipboardFormatA(void)
  95 {
  96     ATOM atom_id;
  97     UINT format_id, format_id2;
  98     char buf[256];
  99     int len;
 100     BOOL ret;
 101
 102     format_id = RegisterClipboardFormatA("my_cool_clipboard_format");
 103     ok(format_id > 0xc000 && format_id < 0xffff, "invalid clipboard format id %04x\n", format_id);
 104
 105     format_id2 = RegisterClipboardFormatA("MY_COOL_CLIPBOARD_FORMAT");
 106     ok(format_id2 == format_id, "invalid clipboard format id %04x\n", format_id2);
 107
 108     len = GetClipboardFormatNameA(format_id, buf, 256);
 109     ok(len == lstrlenA("my_cool_clipboard_format"), "wrong format name length %d\n", len);
 110     ok(!lstrcmpA(buf, "my_cool_clipboard_format"), "wrong format name \"%s\"\n", buf);
 111
 112     lstrcpyA(buf, "foo");
 113     SetLastError(0xdeadbeef);
 114     len = GetAtomNameA((ATOM)format_id, buf, 256);
 115     ok(len == 0, "GetAtomNameA should fail\n");
 116     test_last_error(ERROR_INVALID_HANDLE);
 117
 118 todo_wine
 119 {
 120     lstrcpyA(buf, "foo");
 121     SetLastError(0xdeadbeef);
 122     len = GlobalGetAtomNameA((ATOM)format_id, buf, 256);
 123     ok(len == 0, "GlobalGetAtomNameA should fail\n");
 124     test_last_error(ERROR_INVALID_HANDLE);
 125 }
 126
 127     SetLastError(0xdeadbeef);
 128     atom_id = FindAtomA("my_cool_clipboard_format");
 129     ok(atom_id == 0, "FindAtomA should fail\n");
 130     test_last_error(ERROR_FILE_NOT_FOUND);
 131
 132     if (0)
 133     {
 134     /* this relies on the clipboard and global atom table being different */
 135     SetLastError(0xdeadbeef);
 136     atom_id = GlobalFindAtomA("my_cool_clipboard_format");
 137     ok(atom_id == 0, "GlobalFindAtomA should fail\n");
 138     test_last_error(ERROR_FILE_NOT_FOUND);
 139
 140     for (format_id = 0; format_id < 0xffff; format_id++)
 141     {
 142         SetLastError(0xdeadbeef);
 143         len = GetClipboardFormatNameA(format_id, buf, 256);
 144
 145         if (format_id < 0xc000)
 146         {
 147             ok(!len, "GetClipboardFormatNameA should fail, but it returned %d (%s)\n", len, buf);
 148             test_last_error(ERROR_INVALID_PARAMETER);
 149         }
 150         else
 151         {
 152             if (len)
 153                 trace("%04x: %s\n", format_id, len ? buf : "");
 154             else
 155                 test_last_error(ERROR_INVALID_HANDLE);
 156         }
 157     }
 158     }
 159
 160     ret = OpenClipboard(0);
 161     ok( ret, "OpenClipboard error %d\n", GetLastError());
 162
 163     trace("# of formats available: %d\n", CountClipboardFormats());
 164
 165     format_id = 0;
 166     while ((format_id = EnumClipboardFormats(format_id)))
 167     {
 168         ok(IsClipboardFormatAvailable(format_id), "format %04x was listed as available\n", format_id);
 169         len = GetClipboardFormatNameA(format_id, buf, 256);
 170         trace("%04x: %s\n", format_id, len ? buf : "");
 171     }
 172
 173     ret = EmptyClipboard();
 174     ok( ret, "EmptyClipboard error %d\n", GetLastError());
 175     ret =CloseClipboard();
 176     ok( ret, "CloseClipboard error %d\n", GetLastError());
 177
 178     if (CountClipboardFormats())
 179     {
 180         SetLastError(0xdeadbeef);
 181         ok(!EnumClipboardFormats(0), "EnumClipboardFormats should fail if clipboard wasn't open\n");
 182         ok(GetLastError() == ERROR_CLIPBOARD_NOT_OPEN,
 183            "Last error should be set to ERROR_CLIPBOARD_NOT_OPEN, not %d\n", GetLastError());
 184     }
 185
 186     SetLastError(0xdeadbeef);
 187     ok(!EmptyClipboard(), "EmptyClipboard should fail if clipboard wasn't open\n");
 188     test_last_error(ERROR_CLIPBOARD_NOT_OPEN);
 189 }
 190
 191 START_TEST(clipboard)
 192 {
 193     SetLastError(0xdeadbeef);
 194     FindAtomW(NULL);
 195     if (GetLastError() == ERROR_CALL_NOT_IMPLEMENTED) is_win9x = TRUE;
 196
 197     test_RegisterClipboardFormatA();
 198     test_ClipboardOwner();
 199 }