src/ui/views/widget/native_widget_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "testing/gtest/include/gtest/gtest.h"
   6 #include "ui/views/controls/native/native_view_host.h"
   7 #include "ui/views/test/views_test_base.h"
   8 #include "ui/views/view.h"
   9 #include "ui/views/widget/native_widget_private.h"
  10 #include "ui/views/widget/widget.h"
  11
  12 namespace views {
  13
  14 class ScopedTestWidget {
  15  public:
  16   explicit ScopedTestWidget(internal::NativeWidgetPrivate* native_widget)
  17       : native_widget_(native_widget) {
  18   }
  19   ~ScopedTestWidget() {
  20     // |CloseNow| deletes both |native_widget_| and its associated
  21     // |Widget|.
  22     native_widget_->GetWidget()->CloseNow();
  23   }
  24
  25   internal::NativeWidgetPrivate* operator->() const  {
  26     return native_widget_;
  27   }
  28   internal::NativeWidgetPrivate* get() const { return native_widget_; }
  29
  30  private:
  31   internal::NativeWidgetPrivate* native_widget_;
  32   DISALLOW_COPY_AND_ASSIGN(ScopedTestWidget);
  33 };
  34
  35 class NativeWidgetTest : public ViewsTestBase {
  36  public:
  37   NativeWidgetTest() {}
  38   ~NativeWidgetTest() override {}
  39
  40   internal::NativeWidgetPrivate* CreateNativeWidgetOfType(
  41       Widget::InitParams::Type type) {
  42     Widget* widget = new Widget;
  43     Widget::InitParams params = CreateParams(type);
  44     params.ownership = views::Widget::InitParams::NATIVE_WIDGET_OWNS_WIDGET;
  45     params.bounds = gfx::Rect(10, 10, 200, 200);
  46     widget->Init(params);
  47     return widget->native_widget_private();
  48   }
  49
  50   internal::NativeWidgetPrivate* CreateNativeWidget() {
  51     return CreateNativeWidgetOfType(Widget::InitParams::TYPE_POPUP);
  52   }
  53
  54   internal::NativeWidgetPrivate* CreateNativeSubWidget() {
  55     return CreateNativeWidgetOfType(Widget::InitParams::TYPE_CONTROL);
  56   }
  57
  58  private:
  59   DISALLOW_COPY_AND_ASSIGN(NativeWidgetTest);
  60 };
  61
  62 TEST_F(NativeWidgetTest, CreateNativeWidget) {
  63   ScopedTestWidget widget(CreateNativeWidget());
  64   EXPECT_TRUE(widget->GetWidget()->GetNativeView() != NULL);
  65 }
  66
  67 TEST_F(NativeWidgetTest, GetNativeWidgetForNativeView) {
  68   ScopedTestWidget widget(CreateNativeWidget());
  69   EXPECT_EQ(widget.get(),
  70             internal::NativeWidgetPrivate::GetNativeWidgetForNativeView(
  71                 widget->GetWidget()->GetNativeView()));
  72 }
  73
  74 // |widget| has the toplevel NativeWidget.
  75 TEST_F(NativeWidgetTest, GetTopLevelNativeWidget1) {
  76   ScopedTestWidget widget(CreateNativeWidget());
  77   EXPECT_EQ(widget.get(),
  78             internal::NativeWidgetPrivate::GetTopLevelNativeWidget(
  79                 widget->GetWidget()->GetNativeView()));
  80 }
  81
  82 // |toplevel_widget| has the toplevel NativeWidget.
  83 TEST_F(NativeWidgetTest, GetTopLevelNativeWidget2) {
  84   ScopedTestWidget toplevel_widget(CreateNativeWidget());
  85
  86   // |toplevel_widget| owns |child_host|.
  87   NativeViewHost* child_host = new NativeViewHost;
  88   toplevel_widget->GetWidget()->SetContentsView(child_host);
  89
  90   // |child_host| owns |child_widget|.
  91   internal::NativeWidgetPrivate* child_widget = CreateNativeSubWidget();
  92   child_host->Attach(child_widget->GetWidget()->GetNativeView());
  93
  94   EXPECT_EQ(toplevel_widget.get(),
  95             internal::NativeWidgetPrivate::GetTopLevelNativeWidget(
  96                 child_widget->GetWidget()->GetNativeView()));
  97 }
  98
  99 }  // namespace views