Revert "views: Move widget/ directory to ui/views." properly.

views/widget/native_widget_unittest.cc

+// Copyright (c) 2011 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 "testing/gtest/include/gtest/gtest.h"
+#include "ui/views/test/views_test_base.h"
+#include "views/controls/native/native_view_host.h"
+#include "views/view.h"
+#include "views/widget/native_widget_private.h"
+#include "views/widget/native_widget_test_utils.h"
+#include "views/widget/widget.h"
+
+namespace views {
+
+class ScopedTestWidget {
+ public:
+  ScopedTestWidget(internal::NativeWidgetPrivate* native_widget)
+      : native_widget_(native_widget) {
+  }
+  ~ScopedTestWidget() {
+    // |CloseNow| deletes both |native_widget_| and its associated
+    // |Widget|.
+    native_widget_->GetWidget()->CloseNow();
+  }
+
+  internal::NativeWidgetPrivate* operator->() const  {
+    return native_widget_;
+  }
+  internal::NativeWidgetPrivate* get() const { return native_widget_; }
+
+ private:
+  internal::NativeWidgetPrivate* native_widget_;
+  DISALLOW_COPY_AND_ASSIGN(ScopedTestWidget);
+};
+
+class NativeWidgetTest : public ViewsTestBase {
+ public:
+  NativeWidgetTest() {}
+  virtual ~NativeWidgetTest() {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(NativeWidgetTest);
+};
+
+TEST_F(NativeWidgetTest, CreateNativeWidget) {
+  ScopedTestWidget widget(internal::CreateNativeWidget());
+  EXPECT_TRUE(widget->GetWidget()->GetNativeView() != NULL);
+}
+
+TEST_F(NativeWidgetTest, GetNativeWidgetForNativeView) {
+  ScopedTestWidget widget(internal::CreateNativeWidget());
+  EXPECT_EQ(widget.get(),
+            internal::NativeWidgetPrivate::GetNativeWidgetForNativeView(
+                widget->GetWidget()->GetNativeView()));
+}
+
+// |widget| has the toplevel NativeWidget.
+TEST_F(NativeWidgetTest, GetTopLevelNativeWidget1) {
+  ScopedTestWidget widget(internal::CreateNativeWidget());
+  EXPECT_EQ(widget.get(),
+            internal::NativeWidgetPrivate::GetTopLevelNativeWidget(
+                widget->GetWidget()->GetNativeView()));
+}
+
+// |toplevel_widget| has the toplevel NativeWidget.
+TEST_F(NativeWidgetTest, GetTopLevelNativeWidget2) {
+  ScopedTestWidget toplevel_widget(internal::CreateNativeWidget());
+
+  // |toplevel_widget| owns |child_host|.
+  NativeViewHost* child_host = new NativeViewHost;
+  toplevel_widget->GetWidget()->SetContentsView(child_host);
+
+  // |child_host| owns |child_widget|.
+  internal::NativeWidgetPrivate* child_widget =
+      internal::CreateNativeSubWidget();
+  child_host->Attach(child_widget->GetWidget()->GetNativeView());
+
+  EXPECT_EQ(toplevel_widget.get(),
+            internal::NativeWidgetPrivate::GetTopLevelNativeWidget(
+                child_widget->GetWidget()->GetNativeView()));
+}
+
+}  // namespace views