Rémi Bernon : user32/tests: Wait and flush messages after window creation.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 9099b9843f048565b8bc5b3ee084df55956c5bf4
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=9099b9843f048565b8bc5b3ee084df55956c5bf4

Author: Rémi Bernon <rbernon at codeweavers.com>
Date:   Tue Nov  5 13:46:51 2019 +0100

user32/tests: Wait and flush messages after window creation.

The window created in the separate thread in test_Input_mouse sometimes
fails to catch the mouse input in time. Waiting and flushing the initial
messages seems to make the issue harder to reproduce.

Signed-off-by: Rémi Bernon <rbernon at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/user32/tests/input.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dlls/user32/tests/input.c b/dlls/user32/tests/input.c
index 1e6be311ee..d0e7603811 100644
--- a/dlls/user32/tests/input.c
+++ b/dlls/user32/tests/input.c
@@ -2196,6 +2196,7 @@ static DWORD WINAPI create_static_win(void *arg)
 {
     struct thread_data *thread_data = arg;
     HWND win;
+    MSG msg;
 
     win = CreateWindowA("static", "static", WS_VISIBLE | WS_POPUP,
             100, 100, 100, 100, 0, NULL, NULL, NULL);
@@ -2204,6 +2205,7 @@ static DWORD WINAPI create_static_win(void *arg)
             GWLP_WNDPROC, (LONG_PTR)static_hook_proc);
     thread_data->win = win;
 
+    while (wait_for_message(&msg)) DispatchMessageA(&msg);
     SetEvent(thread_data->start_event);
     wait_for_event(thread_data->end_event, 5000);
     return 0;