mash: Add touch-hud app.

ash/mus/root_window_controller_unittest.cc

Index: ash/mus/root_window_controller_unittest.cc
diff --git a/ash/mus/root_window_controller_unittest.cc b/ash/mus/root_window_controller_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..893242719373a0f43e2095c584ae73366f84391e
--- /dev/null
+++ b/ash/mus/root_window_controller_unittest.cc
@@ -0,0 +1,33 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ash/mus/bridge/wm_window_mus.h"
+#include "ash/mus/test/wm_test_base.h"
+
+namespace ash {
+
+class RootWindowControllerTest : public mus::WmTestBase {
+ public:
+  RootWindowControllerTest() {}
+  ~RootWindowControllerTest() override {}
+
+  WmWindow* CreateFullscreenTestWindow() {
+    return mus::WmWindowMus::Get(mus::WmTestBase::CreateFullscreenTestWindow());
+  }
+
+  WmWindow* GetPrimaryRootWindow() {
+    return mus::WmWindowMus::Get(mus::WmTestBase::GetPrimaryRootWindow());
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(RootWindowControllerTest);
+};
+
+TEST_F(RootWindowControllerTest, CreateFullscreenWindow) {
+  WmWindow* window = CreateFullscreenTestWindow();
+  WmWindow* root_window = GetPrimaryRootWindow();
+  EXPECT_EQ(window->GetBounds(), root_window->GetBounds());

[sky, 2016/07/21 20:00:02]

Format of assertions in expected, actual. I believe you want to reverse these
two.

[riajiang, 2016/07/21 20:13:51]

Done.

+}
+
+}  // namespace ash