[PATCH 1/3] dxgi/tests: Test removing WS_EX_TOPMOST on a swapchain's fullscreen state output window.

[Gabriel Ivăncescu]

Signed-off-by: Gabriel Ivăncescu <gabrielopcode at gmail.com>
---
 dlls/dxgi/tests/dxgi.c | 39 ++++++++++++++++++++++++++++++++++++++-
 1 file changed, 38 insertions(+), 1 deletion(-)

diff --git a/dlls/dxgi/tests/dxgi.c b/dlls/dxgi/tests/dxgi.c
index 2d8826f..14cb555 100644
--- a/dlls/dxgi/tests/dxgi.c
+++ b/dlls/dxgi/tests/dxgi.c
@@ -2826,10 +2826,47 @@ static void test_set_fullscreen(IUnknown *device, BOOL is_d3d12)
     refcount = IDXGISwapChain_Release(swapchain);
     ok(!refcount, "IDXGISwapChain has %u references left.\n", refcount);
 
-    swapchain_desc.OutputWindow = CreateWindowA("static", "dxgi_test", 0, 0, 0, 400, 200, 0, 0, 0, 0);
+    swapchain_desc.OutputWindow = CreateWindowA("static", "dxgi_test", WS_VISIBLE, 0, 0, 400, 200, 0, 0, 0, 0);
     check_window_fullscreen_state(swapchain_desc.OutputWindow, &initial_state.fullscreen_state);
     swapchain_desc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
     hr = IDXGIFactory_CreateSwapChain(factory, device, &swapchain_desc, &swapchain);
+    ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDXGISwapChain_SetFullscreenState(swapchain, TRUE, NULL);
+    ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDXGISwapChain_GetFullscreenState(swapchain, &fullscreen, NULL);
+    ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
+    ok(!!fullscreen, "Got unexpected fullscreen %#x.\n", fullscreen);
+
+    /* Removing topmost style makes the swapchain lose fullscreen state on next Present */
+    SetWindowPos(swapchain_desc.OutputWindow, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE);
+    ok(!(GetWindowLongA(swapchain_desc.OutputWindow, GWL_EXSTYLE) & WS_EX_TOPMOST), "Got unexpected WS_EX_TOPMOST.\n");
+    flush_events();
+
+    hr = IDXGISwapChain_GetFullscreenState(swapchain, &fullscreen, NULL);
+    ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
+    ok(!!fullscreen, "Got unexpected fullscreen %#x.\n", fullscreen);
+    hr = IDXGISwapChain_GetFullscreenState(swapchain, &fullscreen, NULL);
+    ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
+    ok(!!fullscreen, "Got unexpected fullscreen %#x.\n", fullscreen);
+    hr = IDXGISwapChain_Present(swapchain, 0, 0);
+    todo_wine ok(hr == DXGI_STATUS_OCCLUDED || broken(hr == DXGI_ERROR_INVALID_CALL) /* Win10 1809 */, "Got unexpected hr %#x.\n", hr);
+    if (hr != DXGI_ERROR_INVALID_CALL)
+    {
+        hr = IDXGISwapChain_GetFullscreenState(swapchain, &fullscreen, NULL);
+        ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
+        todo_wine ok(!fullscreen, "Got unexpected fullscreen %#x.\n", fullscreen);
+        hr = IDXGISwapChain_Present(swapchain, 0, 0);
+        ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
+    }
+    hr = IDXGISwapChain_SetFullscreenState(swapchain, FALSE, NULL);
+    ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
+    refcount = IDXGISwapChain_Release(swapchain);
+    ok(!refcount, "IDXGISwapChain has %u references left.\n", refcount);
+
+    DestroyWindow(swapchain_desc.OutputWindow);
+    swapchain_desc.OutputWindow = CreateWindowA("static", "dxgi_test", 0, 0, 0, 400, 200, 0, 0, 0, 0);
+    check_window_fullscreen_state(swapchain_desc.OutputWindow, &initial_state.fullscreen_state);
+    hr = IDXGIFactory_CreateSwapChain(factory, device, &swapchain_desc, &swapchain);
     ok(SUCCEEDED(hr), "CreateSwapChain failed, hr %#x.\n", hr);
     check_swapchain_fullscreen_state(swapchain, &initial_state);
     test_swapchain_fullscreen_state(swapchain, adapter, &initial_state);
-- 
2.29.2