[PATCH 3/5] d3d9/tests: Add a test for GetDisplayMode().

[Matteo Bruni]

Signed-off-by: Matteo Bruni <mbruni at codeweavers.com>
---
Note that I haven't tested this on a multimonitor setup (I don't have
one in handy right now), the test might break there.

 dlls/d3d9/tests/device.c | 77 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)

diff --git a/dlls/d3d9/tests/device.c b/dlls/d3d9/tests/device.c
index d119b639d32..705deab7de5 100644
--- a/dlls/d3d9/tests/device.c
+++ b/dlls/d3d9/tests/device.c
@@ -13315,6 +13315,82 @@ static void test_vertex_buffer_read_write(void)
     DestroyWindow(window);
 }
 
+static void test_get_display_mode(void)
+{
+    IDirect3DSwapChain9 *swapchain;
+    IDirect3DDevice9 *device;
+    struct device_desc desc;
+    D3DDISPLAYMODE mode;
+    IDirect3D9 *d3d;
+    ULONG refcount;
+    HWND window;
+    HRESULT hr;
+
+    window = create_window();
+    d3d = Direct3DCreate9(D3D_SDK_VERSION);
+    ok(!!d3d, "Failed to create a D3D object.\n");
+
+    if (!(device = create_device(d3d, window, NULL)))
+    {
+        skip("Failed to create a D3D device.\n");
+        IDirect3D9_Release(d3d);
+        DestroyWindow(window);
+        return;
+    }
+
+    hr = IDirect3DDevice9_GetDisplayMode(device, 0, &mode);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+    ok(mode.Format == D3DFMT_X8R8G8B8, "Unexpected format %#x.\n", mode.Format);
+    IDirect3D9_GetAdapterDisplayMode(d3d, D3DADAPTER_DEFAULT, &mode);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+    ok(mode.Format == D3DFMT_X8R8G8B8, "Unexpected format %#x.\n", mode.Format);
+    hr = IDirect3DDevice9_GetSwapChain(device, 0, &swapchain);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DSwapChain9_GetDisplayMode(swapchain, &mode);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+    ok(mode.Format == D3DFMT_X8R8G8B8, "Unexpected format %#x.\n", mode.Format);
+    IDirect3DSwapChain9_Release(swapchain);
+
+    refcount = IDirect3DDevice9_Release(device);
+    ok(!refcount, "Device has %u references left.\n", refcount);
+
+    desc.device_window = window;
+    desc.width = 640;
+    desc.height = 480;
+    desc.flags = CREATE_DEVICE_FULLSCREEN;
+    if (!(device = create_device(d3d, window, &desc)))
+    {
+        skip("Failed to create a D3D device.\n");
+        IDirect3D9_Release(d3d);
+        DestroyWindow(window);
+        return;
+    }
+
+    hr = IDirect3DDevice9_GetDisplayMode(device, 0, &mode);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+    ok(mode.Width == 640, "Unexpected width %u.\n", mode.Width);
+    ok(mode.Height == 480, "Unexpected width %u.\n", mode.Height);
+    ok(mode.Format == D3DFMT_X8R8G8B8, "Unexpected format %#x.\n", mode.Format);
+    IDirect3D9_GetAdapterDisplayMode(d3d, D3DADAPTER_DEFAULT, &mode);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+    ok(mode.Width == 640, "Unexpected width %u.\n", mode.Width);
+    ok(mode.Height == 480, "Unexpected width %u.\n", mode.Height);
+    ok(mode.Format == D3DFMT_X8R8G8B8, "Unexpected format %#x.\n", mode.Format);
+    hr = IDirect3DDevice9_GetSwapChain(device, 0, &swapchain);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+    hr = IDirect3DSwapChain9_GetDisplayMode(swapchain, &mode);
+    ok(hr == D3D_OK, "Got unexpected hr %#x.\n", hr);
+    ok(mode.Width == 640, "Unexpected width %u.\n", mode.Width);
+    ok(mode.Height == 480, "Unexpected width %u.\n", mode.Height);
+    ok(mode.Format == D3DFMT_X8R8G8B8, "Unexpected format %#x.\n", mode.Format);
+    IDirect3DSwapChain9_Release(swapchain);
+
+    refcount = IDirect3DDevice9_Release(device);
+    ok(!refcount, "Device has %u references left.\n", refcount);
+    IDirect3D9_Release(d3d);
+    DestroyWindow(window);
+}
+
 START_TEST(device)
 {
     WNDCLASSA wc = {0};
@@ -13441,6 +13517,7 @@ START_TEST(device)
     test_resource_access();
     test_multiply_transform();
     test_vertex_buffer_read_write();
+    test_get_display_mode();
 
     UnregisterClassA("d3d9_test_wc", GetModuleHandleA(NULL));
 }
-- 
2.19.2