dxgi/tests: Add basic test for sync intervals.

dlls/dxgi/tests/device.c

@@ -3353,6 +3353,63 @@ static void test_swapchain_parameters(void)
     DestroyWindow(window);
 }
 
+static void test_swapchain_present(void)
+{
+    DXGI_SWAP_CHAIN_DESC swapchain_desc;
+    IDXGISwapChain *swapchain;
+    IDXGIAdapter *adapter;
+    IDXGIFactory *factory;
+    IDXGIDevice *device;
+    unsigned int i;
+    ULONG refcount;
+    HRESULT hr;
+
+    if (!(device = create_device(0)))
+    {
+        skip("Failed to create device.\n");
+        return;
+    }
+
+    hr = IDXGIDevice_GetAdapter(device, &adapter);
+    ok(SUCCEEDED(hr), "Failed to get adapter, hr %#x.\n", hr);
+    hr = IDXGIAdapter_GetParent(adapter, &IID_IDXGIFactory, (void **)&factory);
+    ok(SUCCEEDED(hr), "Failed to get parent, hr %#x.\n", hr);
+    IDXGIAdapter_Release(adapter);
+
+    swapchain_desc.BufferDesc.Width = 800;
+    swapchain_desc.BufferDesc.Height = 600;
+    swapchain_desc.BufferDesc.RefreshRate.Numerator = 60;
+    swapchain_desc.BufferDesc.RefreshRate.Denominator = 60;
+    swapchain_desc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
+    swapchain_desc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
+    swapchain_desc.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
+    swapchain_desc.SampleDesc.Count = 1;
+    swapchain_desc.SampleDesc.Quality = 0;
+    swapchain_desc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
+    swapchain_desc.BufferCount = 1;
+    swapchain_desc.OutputWindow = CreateWindowA("static", "dxgi_test", 0, 0, 0, 400, 200, 0, 0, 0, 0);
+    swapchain_desc.Windowed = TRUE;
+    swapchain_desc.SwapEffect = DXGI_SWAP_EFFECT_DISCARD;
+    swapchain_desc.Flags = 0;
+
+    hr = IDXGIFactory_CreateSwapChain(factory, (IUnknown *)device, &swapchain_desc, &swapchain);
+    ok(SUCCEEDED(hr), "Failed to create swapchain, hr %#x.\n", hr);
+
+    for (i = 0; i < 10; ++i)
+    {
+        hr = IDXGISwapChain_Present(swapchain, i, 0);
+        ok(hr == (i <= 4 ? S_OK : DXGI_ERROR_INVALID_CALL),
+                "Got unexpected hr %#x for sync interval %u.\n", hr, i);
+    }
+    hr = IDXGISwapChain_Present(swapchain, 0, 0);
+    ok(hr == S_OK, "Got unexpected hr %#x.\n", hr);
+
+    IDXGISwapChain_Release(swapchain);
+    refcount = IDXGIDevice_Release(device);
+    ok(!refcount, "Device has %u references left.\n", refcount);
+    DestroyWindow(swapchain_desc.OutputWindow);
+}
+
 static void test_maximum_frame_latency(void)
 {
     IDXGIDevice1 *device1;
@@ -3654,6 +3711,7 @@ START_TEST(device)
     test_private_data();
     test_swapchain_resize();
     test_swapchain_parameters();
+    test_swapchain_present();
     test_maximum_frame_latency();
     test_output_desc();
     test_object_wrapping();