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https://github.com/reactos/reactos.git
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211e68d9b1
[USER32_APITEST] Disable WndProc test when runtime checks are enabled [KERNEL32_WINETEST] Zero initialize a buffer. This is necessary, since we fail all calls to GetVolumePathNamesForVolumeNameW and thus never get any data into the buffer, which can later result in a buffer-overrun, when doing a lstrlenW on it. svn path=/trunk/; revision=64831
108 lines
3 KiB
C
108 lines
3 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 mismatch with function prototype in window procedure callback.
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* PROGRAMMERS:
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*/
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#include <apitest.h>
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#include <wingdi.h>
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#include <winuser.h>
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/* Used wine Redraw test for proof in principle. */
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/* Global variables to trigger exit from loop */
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static int redrawComplete, WMPAINT_count;
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/*
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Force stack corruption when calling from assumed window procedure callback.
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Adding (6 and) more will force exception faults and terminate the test program.
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The test is with five and this is safe for windows.
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But,,,, ReactOS compiled with GCC can handle this,,,,,,
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*/
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static LRESULT WINAPI redraw_window_procA(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam, DWORD ExtraData,DWORD ExtraData1,DWORD ExtraData2,DWORD ExtraData3)
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{
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switch (msg)
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{
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case WM_PAINT:
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trace("doing WM_PAINT %d\n", WMPAINT_count);
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WMPAINT_count++;
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if (WMPAINT_count > 10 && redrawComplete == 0)
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{
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PAINTSTRUCT ps;
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BeginPaint(hwnd, &ps);
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EndPaint(hwnd, &ps);
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return 1;
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}
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/*
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This will force one stack corruption "ret" fault with normal window
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procedure callback.
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*/
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#ifdef __MINGW32__
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asm ("movl $0, %eax\n\t"
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"leave\n\t"
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"ret");
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#elif defined(_M_IX86)
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//#ifdef _MSC_VER
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__asm
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{
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mov eax, 0
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leave
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ret
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}
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#else
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trace("unimplemented\n");
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#endif
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}
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return DefWindowProc(hwnd, msg, wparam, lparam);
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}
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static void test_wndproc(void)
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{
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WNDCLASSA cls;
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HWND hwndMain;
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cls.style = CS_DBLCLKS;
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cls.lpfnWndProc = (WNDPROC)redraw_window_procA;
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cls.cbClsExtra = 0;
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cls.cbWndExtra = 0;
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cls.hInstance = GetModuleHandleA(0);
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cls.hIcon = 0;
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cls.hCursor = LoadCursorA(0, IDC_ARROW);
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cls.hbrBackground = GetStockObject(WHITE_BRUSH);
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cls.lpszMenuName = NULL;
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cls.lpszClassName = "RedrawWindowClass";
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if (!RegisterClassA(&cls))
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{
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trace("Register failed %d\n", (int)GetLastError());
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return;
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}
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hwndMain = CreateWindowA("RedrawWindowClass", "Main Window", WS_OVERLAPPEDWINDOW,
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CW_USEDEFAULT, 0, 100, 100, NULL, NULL, 0, NULL);
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ok( WMPAINT_count == 0, "Multiple unexpected WM_PAINT calls %d\n", WMPAINT_count);
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ShowWindow(hwndMain, SW_SHOW);
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ok( WMPAINT_count == 0, "Multiple unexpected WM_PAINT calls %d\n", WMPAINT_count);
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RedrawWindow(hwndMain, NULL,NULL,RDW_UPDATENOW | RDW_ALLCHILDREN);
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ok( WMPAINT_count == 1 || broken(WMPAINT_count == 0), /* sometimes on win9x */
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"Multiple unexpected WM_PAINT calls %d\n", WMPAINT_count);
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redrawComplete = TRUE;
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ok( WMPAINT_count < 10, "RedrawWindow (RDW_UPDATENOW) never completed (%d)\n", WMPAINT_count);
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/* clean up */
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DestroyWindow( hwndMain);
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}
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START_TEST(WndProc)
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{
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#ifdef __RUNTIME_CHECKS__
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skip("This test breaks MSVC runtime checks!");
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return;
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#endif /* __RUNTIME_CHECKS__ */
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test_wndproc();
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}
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