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https://github.com/reactos/reactos.git
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86 lines
2.2 KiB
C
86 lines
2.2 KiB
C
/*
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* PROJECT: ReactOS api tests
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* LICENSE: GPL - See COPYING in the top level directory
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* PURPOSE: Test for NtGdiSaveDC
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* PROGRAMMERS:
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*/
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#include <win32nt.h>
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START_TEST(NtGdiSaveDC)
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{
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HINSTANCE hinst = GetModuleHandle(NULL);
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HDC hdc, hdc2;
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HWND hwnd;
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HBITMAP hbmp1, hbmp2, hOldBmp;
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/* Test 0 hdc */
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TEST(NtGdiSaveDC(0) == 0);
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/* Test info dc */
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hdc = CreateICW(L"DISPLAY",NULL,NULL,NULL);
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TEST(hdc != NULL);
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TEST(NtGdiSaveDC(hdc) == 1);
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TEST(NtGdiSaveDC(hdc) == 2);
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DeleteDC(hdc);
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/* Test display dc */
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hdc = GetDC(0);
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TEST(hdc != NULL);
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TEST(NtGdiSaveDC(hdc) == 1);
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TEST(NtGdiSaveDC(hdc) == 2);
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ReleaseDC(0, hdc);
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/* Test a mem DC */
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hdc = CreateCompatibleDC(0);
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TEST(hdc != NULL);
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TEST(NtGdiSaveDC(hdc) == 1);
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TEST(NtGdiSaveDC(hdc) == 2);
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DeleteDC(hdc);
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/* Create a window */
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hwnd = CreateWindowW(L"BUTTON", L"TestWindow", WS_OVERLAPPEDWINDOW | WS_VISIBLE,
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10, 10, 100, 100,
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NULL, NULL, hinst, 0);
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hdc = GetDC(hwnd);
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TEST(hdc != NULL);
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TEST(NtGdiSaveDC(hdc) == 1);
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NtGdiRestoreDC(hdc, 1);
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ReleaseDC(hwnd, hdc);
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DestroyWindow(hwnd);
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/* test behaviour when a bitmap is selected */
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hbmp1 = CreateBitmap(2, 2, 1, 1, NULL);
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TEST(hbmp1 != NULL);
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hbmp2 = CreateBitmap(2, 2, 1, 1, NULL);
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TEST(hbmp2 != NULL);
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hdc = CreateCompatibleDC(0);
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TEST(hdc != NULL);
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hdc2 = CreateCompatibleDC(0);
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TEST(hdc2 != NULL);
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hOldBmp = SelectObject(hdc, hbmp1);
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TEST(hOldBmp != NULL);
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TEST(NtGdiSaveDC(hdc) == 1);
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TEST(SelectObject(hdc, hbmp2) == hbmp1);
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TEST(SelectObject(hdc2, hbmp1) == NULL);
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SelectObject(hdc, hOldBmp);
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NtGdiRestoreDC(hdc, 1);
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TEST(GetCurrentObject(hdc, OBJ_BITMAP) == hbmp1);
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/* Again, just to be sure */
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TEST(NtGdiSaveDC(hdc) == 1);
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TEST(NtGdiSaveDC(hdc) == 2);
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TEST(SelectObject(hdc, hbmp2) == hbmp1);
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TEST(SelectObject(hdc2, hbmp1) == NULL);
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SelectObject(hdc, hOldBmp);
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NtGdiRestoreDC(hdc, 2);
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TEST(GetCurrentObject(hdc, OBJ_BITMAP) == hbmp1);
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/*Cleanup */
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SelectObject(hdc, hOldBmp);
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DeleteDC(hdc);
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DeleteDC(hdc2);
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DeleteObject(hbmp1);
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DeleteObject(hbmp2);
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}
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