d3d8/tests: Add some tests for resetting the device window.

dlls/d3d8/tests/device.c

@@ -3004,6 +3004,93 @@ done:
     ok(devmode.dmPelsHeight == screen_height, "Got unexpect height %u.\n", devmode.dmPelsHeight);
 }
 
+static void test_device_window_reset(void)
+{
+    RECT fullscreen_rect, device_rect, r;
+    IDirect3DDevice8 *device;
+    WNDCLASSA wc = {0};
+    IDirect3D8 *d3d8;
+    LONG_PTR proc;
+    HRESULT hr;
+    ULONG ref;
+
+    if (!(d3d8 = pDirect3DCreate8(D3D_SDK_VERSION)))
+    {
+        skip("Failed to create IDirect3D8 object, skipping tests.\n");
+        return;
+    }
+
+    wc.lpfnWndProc = test_proc;
+    wc.lpszClassName = "d3d8_test_wndproc_wc";
+    ok(RegisterClassA(&wc), "Failed to register window class.\n");
+
+    focus_window = CreateWindowA("d3d8_test_wndproc_wc", "d3d8_test", WS_OVERLAPPEDWINDOW,
+            0, 0, screen_width / 2, screen_height / 2, 0, 0, 0, 0);
+    device_window = CreateWindowA("d3d8_test_wndproc_wc", "d3d8_test", WS_OVERLAPPEDWINDOW,
+            0, 0, screen_width / 2, screen_height / 2, 0, 0, 0, 0);
+
+    SetRect(&fullscreen_rect, 0, 0, screen_width, screen_height);
+    GetWindowRect(device_window, &device_rect);
+
+    proc = GetWindowLongPtrA(device_window, GWLP_WNDPROC);
+    ok(proc == (LONG_PTR)test_proc, "Expected wndproc %#lx, got %#lx.\n",
+            (LONG_PTR)test_proc, proc);
+    proc = GetWindowLongPtrA(focus_window, GWLP_WNDPROC);
+    ok(proc == (LONG_PTR)test_proc, "Expected wndproc %#lx, got %#lx.\n",
+            (LONG_PTR)test_proc, proc);
+
+    device = create_device(d3d8, NULL, focus_window, FALSE);
+    if (!device)
+    {
+        skip("Failed to create a D3D device, skipping tests.\n");
+        goto done;
+    }
+
+    GetWindowRect(focus_window, &r);
+    ok(EqualRect(&r, &fullscreen_rect), "Expected {%d, %d, %d, %d}, got {%d, %d, %d, %d}.\n",
+            fullscreen_rect.left, fullscreen_rect.top, fullscreen_rect.right, fullscreen_rect.bottom,
+            r.left, r.top, r.right, r.bottom);
+    GetWindowRect(device_window, &r);
+    ok(EqualRect(&r, &device_rect), "Expected {%d, %d, %d, %d}, got {%d, %d, %d, %d}.\n",
+            device_rect.left, device_rect.top, device_rect.right, device_rect.bottom,
+            r.left, r.top, r.right, r.bottom);
+
+    proc = GetWindowLongPtrA(device_window, GWLP_WNDPROC);
+    ok(proc == (LONG_PTR)test_proc, "Expected wndproc %#lx, got %#lx.\n",
+            (LONG_PTR)test_proc, proc);
+    proc = GetWindowLongPtrA(focus_window, GWLP_WNDPROC);
+    ok(proc != (LONG_PTR)test_proc, "Expected wndproc %#lx, got %#lx.\n",
+            (LONG_PTR)test_proc, proc);
+
+    hr = reset_device(device, device_window, FALSE);
+    ok(SUCCEEDED(hr), "Failed to reset device.\n");
+
+    GetWindowRect(focus_window, &r);
+    ok(EqualRect(&r, &fullscreen_rect), "Expected {%d, %d, %d, %d}, got {%d, %d, %d, %d}.\n",
+            fullscreen_rect.left, fullscreen_rect.top, fullscreen_rect.right, fullscreen_rect.bottom,
+            r.left, r.top, r.right, r.bottom);
+    GetWindowRect(device_window, &r);
+    ok(EqualRect(&r, &fullscreen_rect), "Expected {%d, %d, %d, %d}, got {%d, %d, %d, %d}.\n",
+            fullscreen_rect.left, fullscreen_rect.top, fullscreen_rect.right, fullscreen_rect.bottom,
+            r.left, r.top, r.right, r.bottom);
+
+    proc = GetWindowLongPtrA(device_window, GWLP_WNDPROC);
+    ok(proc == (LONG_PTR)test_proc, "Expected wndproc %#lx, got %#lx.\n",
+            (LONG_PTR)test_proc, proc);
+    proc = GetWindowLongPtrA(focus_window, GWLP_WNDPROC);
+    ok(proc != (LONG_PTR)test_proc, "Expected wndproc %#lx, got %#lx.\n",
+            (LONG_PTR)test_proc, proc);
+
+    ref = IDirect3DDevice8_Release(device);
+    ok(ref == 0, "The device was not properly freed: refcount %u.\n", ref);
+
+done:
+    IDirect3D8_Release(d3d8);
+    DestroyWindow(device_window);
+    DestroyWindow(focus_window);
+    UnregisterClassA("d3d8_test_wndproc_wc", GetModuleHandleA(NULL));
+}
+
 START_TEST(device)
 {
     HMODULE d3d8_handle = LoadLibraryA( "d3d8.dll" );
@@ -3057,6 +3144,7 @@ START_TEST(device)
         test_window_style();
         test_wrong_shader();
         test_mode_change();
+        test_device_window_reset();
     }
     UnregisterClassA("d3d8_test_wc", GetModuleHandleA(NULL));
 }