reactos/modules/rostests/apitests/uxtheme/DrawThemeParentBackground.c

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/*
* PROJECT: ReactOS api tests
* LICENSE: GPL - See COPYING in the top level directory
* PURPOSE: Test for DrawThemeParentBackground
* PROGRAMMERS: Giannis Adamopoulos
*/
#include <apitest.h>
#include <stdio.h>
#include <windows.h>
#include <uxtheme.h>
#include <undocuser.h>
#include <msgtrace.h>
#include <user32testhelpers.h>
HWND hWnd1, hWnd2;
static int get_iwnd(HWND hWnd)
{
if(hWnd == hWnd1) return 1;
else if(hWnd == hWnd2) return 2;
else return 0;
}
static LRESULT CALLBACK TestProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int iwnd = get_iwnd(hwnd);
if(message > WM_USER || !iwnd || message == WM_GETICON)
return DefWindowProc(hwnd, message, wParam, lParam);
RECORD_MESSAGE(iwnd, message, SENT, 0,0);
return DefWindowProc(hwnd, message, wParam, lParam);
}
static void FlushMessages()
{
MSG msg;
while (PeekMessage( &msg, 0, 0, 0, PM_REMOVE ))
{
int iwnd = get_iwnd(msg.hwnd);
if(iwnd && msg.message <= WM_USER)
RECORD_MESSAGE(iwnd, msg.message, POST,0,0);
DispatchMessageW( &msg );
}
}
MSG_ENTRY draw_parent_chain[]={{1, WM_ERASEBKGND},
{1, WM_PRINTCLIENT},
{0,0}};
void Test_Messages()
{
HDC hdc;
RECT rc;
RegisterSimpleClass(TestProc, L"testClass");
hWnd1 = CreateWindowW(L"testClass", L"Test parent", WS_OVERLAPPEDWINDOW | WS_VISIBLE, 100, 100, 200, 200, 0, NULL, NULL, NULL);
ok (hWnd1 != NULL, "Expected CreateWindowW to succeed\n");
hWnd2 = CreateWindowW(L"testClass", L"test window", WS_CHILD | WS_VISIBLE, 0, 0, 100, 100, hWnd1, NULL, NULL, NULL);
ok (hWnd2 != NULL, "Expected CreateWindowW to succeed\n");
FlushMessages();
EMPTY_CACHE();
hdc = GetDC(hWnd1);
DrawThemeParentBackground(hWnd2, hdc, NULL);
FlushMessages();
COMPARE_CACHE(draw_parent_chain);
DrawThemeParentBackground(hWnd1, hdc, NULL);
FlushMessages();
COMPARE_CACHE(empty_chain);
ShowWindow(hWnd1, SW_SHOW);
UpdateWindow(hWnd1);
ShowWindow(hWnd2, SW_SHOW);
UpdateWindow(hWnd2);
FlushMessages();
EMPTY_CACHE();
DrawThemeParentBackground(hWnd2, NULL, NULL);
FlushMessages();
COMPARE_CACHE(empty_chain);
DrawThemeParentBackground(hWnd1, NULL, NULL);
FlushMessages();
COMPARE_CACHE(empty_chain);
DrawThemeParentBackground(hWnd2, hdc, NULL);
FlushMessages();
COMPARE_CACHE(draw_parent_chain);
DrawThemeParentBackground(hWnd1, hdc, NULL);
FlushMessages();
COMPARE_CACHE(empty_chain);
memset(&rc, 0, sizeof(rc));
DrawThemeParentBackground(hWnd2, hdc, &rc);
FlushMessages();
COMPARE_CACHE(draw_parent_chain);
DrawThemeParentBackground(hWnd1, hdc, &rc);
FlushMessages();
COMPARE_CACHE(empty_chain);
}
BOOL bGotException;
static LONG WINAPI VEHandler_1(PEXCEPTION_POINTERS ExceptionInfo)
{
ok(FALSE, "VEHandler_1 called!\n");
return EXCEPTION_CONTINUE_SEARCH;
}
static LONG WINAPI VEHandler_2(PEXCEPTION_POINTERS ExceptionInfo)
{
bGotException = TRUE;
return EXCEPTION_CONTINUE_SEARCH;
}
void Test_Params()
{
HRESULT hr;
HDC hdc;
PVOID pVEH;
bGotException = FALSE;
pVEH = AddVectoredExceptionHandler(1, VEHandler_1);
hr = DrawThemeParentBackground(NULL, NULL, NULL);
ok (hr == E_HANDLE, "Expected E_HANDLE got 0x%lx error\n", hr);
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hr = DrawThemeParentBackground((HWND)(ULONG_PTR)0xdeaddeaddeaddeadULL, NULL, NULL);
ok (hr == E_HANDLE, "Expected E_HANDLE got 0x%lx error\n", hr);
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hr = DrawThemeParentBackground(NULL, (HDC)(ULONG_PTR)0xdeaddeaddeaddeadULL, NULL);
ok (hr == E_HANDLE, "Expected E_HANDLE got 0x%lx error\n", hr);
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hr = DrawThemeParentBackground((HWND)(ULONG_PTR)0xdeaddeaddeaddeadULL, (HDC)(ULONG_PTR)0xdeaddeaddeaddeadULL, NULL);
ok (hr == E_HANDLE, "Expected E_HANDLE got 0x%lx error\n", hr);
RemoveVectoredExceptionHandler(pVEH);
RegisterSimpleClass(DefWindowProcW, L"testClass2");
hWnd1 = CreateWindowW(L"testClass2", L"Test parent", WS_OVERLAPPEDWINDOW | WS_VISIBLE, 100, 100, 200, 200, 0, NULL, NULL, NULL);
ok (hWnd1 != NULL, "Expected CreateWindowW to succeed\n");
hWnd2 = CreateWindowW(L"testClass2", L"test window", WS_CHILD | WS_VISIBLE, 0, 0, 100, 100, hWnd1, NULL, NULL, NULL);
ok (hWnd2 != NULL, "Expected CreateWindowW to succeed\n");
ShowWindow(hWnd1, SW_SHOW);
UpdateWindow(hWnd1);
ShowWindow(hWnd2, SW_SHOW);
UpdateWindow(hWnd2);
hr = DrawThemeParentBackground(hWnd1, NULL, NULL);
ok (hr == E_HANDLE, "Expected E_HANDLE got 0x%lx error\n", hr);
hdc = GetDC(hWnd1);
ok (hdc != NULL, "Expected GetDC to succeed\n");
hr = DrawThemeParentBackground(NULL, hdc, NULL);
ok (hr == E_HANDLE, "Expected E_HANDLE got 0x%lx error\n", hr);
hr = DrawThemeParentBackground(hWnd1, hdc, NULL);
ok (hr == S_OK, "Expected success got 0x%lx error\n", hr);
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hr = DrawThemeParentBackground(hWnd1, (HDC)(ULONG_PTR)0xdeaddeaddeaddeadULL, NULL);
ok (hr == S_OK, "Expected success got 0x%lx error\n", hr);
pVEH = AddVectoredExceptionHandler(1, VEHandler_2);
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hr = DrawThemeParentBackground(hWnd1, hdc, (RECT*)(ULONG_PTR)0xdeaddeaddeaddeadULL);
ok (hr == E_POINTER, "Expected success got 0x%lx error\n", hr);
RemoveVectoredExceptionHandler(pVEH);
ok (bGotException == TRUE, "Excepted a handled exception\n");
hr = DrawThemeParentBackground(hWnd2, NULL, NULL);
ok (hr == E_HANDLE, "Expected E_HANDLE got 0x%lx error\n", hr);
hr = DrawThemeParentBackground(hWnd2, hdc, NULL);
ok (hr == S_FALSE, "Expected S_FALSE got 0x%lx error\n", hr);
ReleaseDC(hWnd1, hdc);
hdc = GetDC(hWnd2);
ok (hdc != NULL, "Expected GetDC to succeed\n");
hr = DrawThemeParentBackground(hWnd1, hdc, NULL);
ok (hr == S_OK, "Expected success got 0x%lx error\n", hr);
hr = DrawThemeParentBackground(hWnd2, hdc, NULL);
ok (hr == S_FALSE, "Expected S_FALSE got 0x%lx error\n", hr);
ReleaseDC(hWnd2, hdc);
}
START_TEST(DrawThemeParentBackground)
{
Test_Messages();
Test_Params();
}