rostests/apitests/w32knapi/ntuser/NtUserSelectPalette.c

   1
   2
   3 FORCEINLINE
   4 PALETTEENTRY
   5 PALENTRY(BYTE r, BYTE g, BYTE b)
   6 {
   7         PALETTEENTRY ret;
   8
   9         ret.peRed = r;
  10         ret.peGreen = g;
  11         ret.peBlue = b;
  12         ret.peFlags = 0;
  13         return ret;
  14 }
  15
  16 INT
  17 Test_NtUserSelectPalette(PTESTINFO pti)
  18 {
  19         HPALETTE hPal, hOldPal;
  20         HWND hWnd;
  21         HDC hDC, hCompDC;
  22         struct
  23         {
  24                 LOGPALETTE logpal;
  25                 PALETTEENTRY entry[20];
  26         } pal;
  27
  28         ZeroMemory(&pal, sizeof(pal));
  29
  30         pal.logpal.palVersion = 0x300;
  31         pal.logpal.palNumEntries = 6;
  32         pal.entry[0] = PALENTRY(0,0,0);
  33         pal.entry[1] = PALENTRY(255,255,255);
  34         pal.entry[2] = PALENTRY(128,128,128);
  35         pal.entry[3] = PALENTRY(128,0,0);
  36         pal.entry[4] = PALENTRY(0,128,0);
  37         pal.entry[5] = PALENTRY(0,0,128);
  38
  39         hPal = CreatePalette(&pal.logpal);
  40         ASSERT(hPal);
  41         TEST(DeletePalette(hPal) == 1);
  42         hPal = CreatePalette(&pal.logpal);
  43         ASSERT(hPal);
  44
  45         /* Create a window */
  46         hWnd = CreateWindowW(L"BUTTON", L"TestWindow", WS_OVERLAPPEDWINDOW | WS_VISIBLE,
  47                             CW_USEDEFAULT, CW_USEDEFAULT, 100, 100,
  48                             NULL, NULL, g_hInstance, 0);
  49         hDC = GetDC(hWnd);
  50         ASSERT(hDC);
  51         hCompDC = CreateCompatibleDC(hDC);
  52         ASSERT(hCompDC);
  53
  54         /* Test NULL DC */
  55         SetLastError(ERROR_SUCCESS);
  56         hOldPal = NtUserSelectPalette(NULL, hPal, 0);
  57         TEST(hOldPal == 0);
  58         TEST(GetLastError() == ERROR_SUCCESS);
  59
  60         /* Test invalid DC */
  61         SetLastError(ERROR_SUCCESS);
  62         hOldPal = NtUserSelectPalette((HDC)-1, hPal, 0);
  63         TEST(hOldPal == 0);
  64         TEST(GetLastError() == ERROR_SUCCESS);
  65
  66         /* Test NULL palette */
  67         SetLastError(ERROR_SUCCESS);
  68         hOldPal = NtUserSelectPalette(hDC, NULL, 0);
  69         TEST(hOldPal == 0);
  70         TEST(GetLastError() == ERROR_SUCCESS);
  71
  72         /* Test invalid palette */
  73         SetLastError(ERROR_SUCCESS);
  74         hOldPal = NtUserSelectPalette(hDC, (HPALETTE)-1, 0);
  75         TEST(hOldPal == 0);
  76         TEST(GetLastError() == ERROR_SUCCESS);
  77
  78         /* Test valid palette */
  79         hOldPal = NtUserSelectPalette(hDC, hPal, 0);
  80         TEST(hOldPal != 0);
  81         TEST(hOldPal == GetStockObject(DEFAULT_PALETTE));
  82
  83         /* We cannot Delete the palette */
  84         TEST(DeletePalette(hPal) == 0);
  85
  86         /* We can still select the Palette into a compatible DC */
  87         hOldPal = NtUserSelectPalette(hCompDC, hPal, 0);
  88         TEST(hOldPal != 0);
  89
  90
  91         return APISTATUS_NORMAL;
  92 }