diff --git a/dlls/ddraw/tests/ddraw4.c b/dlls/ddraw/tests/ddraw4.c index bc58c1817c3..75784443a47 100644 --- a/dlls/ddraw/tests/ddraw4.c +++ b/dlls/ddraw/tests/ddraw4.c @@ -9255,11 +9255,12 @@ static void test_vb_writeonly(void) static void test_lost_device(void) { - IDirectDrawSurface4 *surface; + IDirectDrawSurface4 *surface, *back_buffer; DDSURFACEDESC2 surface_desc; HWND window1, window2; IDirectDraw4 *ddraw; ULONG refcount; + DDSCAPS2 caps; HRESULT hr; BOOL ret; @@ -9426,9 +9427,23 @@ static void test_lost_device(void) ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr); hr = IDirectDrawSurface4_IsLost(surface); ok(hr == DDERR_SURFACELOST, "Got unexpected hr %#x.\n", hr); + hr = IDirectDrawSurface4_Flip(surface, NULL, DDFLIP_WAIT); ok(hr == DDERR_SURFACELOST, "Got unexpected hr %#x.\n", hr); + memset(&caps, 0, sizeof(caps)); + caps.dwCaps = DDSCAPS_FLIP; + + hr = IDirectDrawSurface4_GetAttachedSurface(surface, &caps, &back_buffer); + ok(hr == DDERR_SURFACELOST, "Got unexpected hr %#x.\n", hr); + hr = IDirectDrawSurface4_Restore(surface); + ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr); + hr = IDirectDrawSurface4_GetAttachedSurface(surface, &caps, &back_buffer); + ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr); + hr = IDirectDrawSurface4_IsLost(back_buffer); + ok(hr == DD_OK, "Got unexpected hr %#x.\n", hr); + IDirectDrawSurface4_Release(back_buffer); + IDirectDrawSurface4_Release(surface); refcount = IDirectDraw4_Release(ddraw); ok(!refcount, "Got unexpected refcount %u.\n", refcount);