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Added a test case for inter-thread DispatchMessage.

This commit is contained in:
Dmitry Timoshkov 2004-10-05 22:35:00 +00:00 committed by Alexandre Julliard
parent 8e68b54787
commit 7c7693f8d0
1 changed files with 84 additions and 0 deletions
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84
dlls/user/tests/msg.c
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@ -2706,6 +2706,89 @@ static void test_paint_messages(void)
DestroyWindow( hwnd );
}
struct wnd_event
{
HWND hwnd;
HANDLE event;
};
static DWORD WINAPI thread_proc(void *param)
{
MSG msg;
struct wnd_event *wnd_event = (struct wnd_event *)param;
wnd_event->hwnd = CreateWindowExA(0, "TestWindowClass", "window caption text", WS_OVERLAPPEDWINDOW,
100, 100, 200, 200, 0, 0, 0, NULL);
ok(wnd_event->hwnd != 0, "Failed to create overlapped window\n");
SetEvent(wnd_event->event);
while (GetMessage(&msg, 0, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return 0;
}
static void test_interthread_messages(void)
{
HANDLE hThread;
DWORD tid;
WNDPROC proc;
MSG msg;
char buf[256];
int len, expected_len;
struct wnd_event wnd_event;
wnd_event.event = CreateEvent(NULL, 0, 0, NULL);
hThread = CreateThread(NULL, 0, thread_proc, &wnd_event, 0, &tid);
ok(hThread != NULL, "CreateThread failed, error %ld\n", GetLastError());
ok(WaitForSingleObject(wnd_event.event, INFINITE) == WAIT_OBJECT_0, "WaitForSingleObject failed\n");
CloseHandle(wnd_event.event);
SetLastError(0xdeadbeef);
ok(!DestroyWindow(wnd_event.hwnd), "DestroyWindow succeded\n");
ok(GetLastError() == ERROR_ACCESS_DENIED, "wrong error code %ld\n", GetLastError());
proc = (WNDPROC)GetWindowLongPtrA(wnd_event.hwnd, GWLP_WNDPROC);
ok(proc != NULL, "GetWindowLongPtrA(GWLP_WNDPROC) error %ld\n", GetLastError());
expected_len = lstrlenA("window caption text");
memset(buf, 0, sizeof(buf));
SetLastError(0xdeadbeef);
len = CallWindowProcA(proc, wnd_event.hwnd, WM_GETTEXT, sizeof(buf), (LPARAM)buf);
ok(len == expected_len, "CallWindowProcA(WM_GETTEXT) error %ld, len %d, expected len %d\n", GetLastError(), len, expected_len);
ok(!lstrcmpA(buf, "window caption text"), "window text mismatch\n");
msg.hwnd = wnd_event.hwnd;
msg.message = WM_GETTEXT;
msg.wParam = sizeof(buf);
msg.lParam = (LPARAM)buf;
memset(buf, 0, sizeof(buf));
SetLastError(0xdeadbeef);
len = DispatchMessageA(&msg);
ok(!len && GetLastError() == ERROR_MESSAGE_SYNC_ONLY,
"DispatchMessageA(WM_GETTEXT) succeded on another thread window: ret %d, error %ld\n", len, GetLastError());
msg.hwnd = wnd_event.hwnd;
msg.message = WM_TIMER;
msg.wParam = 0;
msg.lParam = GetWindowLongW(wnd_event.hwnd,GWL_WNDPROC);
SetLastError(0xdeadbeef);
len = DispatchMessageA(&msg);
ok(!len && GetLastError() == 0xdeadbeef,
"DispatchMessageA(WM_TIMER) failed on another thread window: ret %d, error %ld\n", len, GetLastError());
ok(PostMessageA(wnd_event.hwnd, WM_QUIT, 0, 0), "PostMessageA(WM_QUIT) error %ld\n", GetLastError());
ok(WaitForSingleObject(hThread, INFINITE) == WAIT_OBJECT_0, "WaitForSingleObject failed\n");
CloseHandle(hThread);
}
/************* window procedures ********************/
@ -3074,6 +3157,7 @@ START_TEST(msg)
test_mdi_messages();
test_button_messages();
test_paint_messages();
test_interthread_messages();
test_message_conversion();
UnhookWindowsHookEx(hCBT_hook);