+
+int UtcDaliLayouting_LayoutChildren01(void)
+{
+ ToolkitTestApplication application;
+ tet_infoline(" UtcDaliLayouting_LayoutChildren01");
+
+ Stage stage = Stage::GetCurrent();
+
+ auto rootControl = Control::New();
+ auto absoluteLayout = AbsoluteLayout::New();
+ DevelControl::SetLayout( rootControl, absoluteLayout );
+ stage.Add( rootControl );
+
+ auto hbox = Control::New();
+ auto hboxLayout = LinearLayout::New();
+ DevelControl::SetLayout( hbox, hboxLayout );
+ rootControl.Add( hbox );
+
+ DALI_TEST_EQUALS( absoluteLayout.GetChildCount(), 1, TEST_LOCATION );
+
+ tet_infoline("Test removal by setting empty layout to child container" );
+ DevelControl::SetLayout( hbox, LayoutItem{} );
+
+ DALI_TEST_EQUALS( absoluteLayout.GetChildCount(), 0, TEST_LOCATION );
+
+ auto& hboxImpl = GetImplementation( hboxLayout );
+ Handle empty;
+ DALI_TEST_EQUALS( hboxLayout.GetOwner(), empty, TEST_LOCATION );
+ DALI_TEST_EQUALS( (void*)hboxImpl.GetParent(), (void*)nullptr, TEST_LOCATION );
+
+ END_TEST;
+}
+
+int UtcDaliLayouting_LayoutChildren02(void)
+{
+ ToolkitTestApplication application;
+ tet_infoline(" UtcDaliLayouting_LayoutChildren02");
+
+ Stage stage = Stage::GetCurrent();
+
+ auto rootControl = Control::New();
+ auto absoluteLayout = AbsoluteLayout::New();
+ DevelControl::SetLayout( rootControl, absoluteLayout );
+ stage.Add( rootControl );
+
+ auto hbox = Control::New();
+ auto hboxLayout = LinearLayout::New();
+ DevelControl::SetLayout( hbox, hboxLayout );
+ rootControl.Add( hbox );
+
+ DALI_TEST_EQUALS( absoluteLayout.GetChildCount(), 1, TEST_LOCATION );
+
+ tet_infoline("Test removal by removing child actor from parent container" );
+ hbox.Unparent();
+
+ DALI_TEST_EQUALS( absoluteLayout.GetChildCount(), 0, TEST_LOCATION );
+
+ auto& hboxImpl = GetImplementation( hboxLayout );
+ tet_infoline("Test child actor still has hbox layout " );
+ DALI_TEST_EQUALS( (bool)hboxLayout.GetOwner(), true, TEST_LOCATION );
+
+ tet_infoline("Test hbox layout has no parent " );
+ DALI_TEST_EQUALS( (void*)hboxImpl.GetParent(), (void*)nullptr, TEST_LOCATION );
+
+ END_TEST;
+}
+
+int UtcDaliLayouting_LayoutChildren03(void)
+{
+ ToolkitTestApplication application;
+ tet_infoline(" UtcDaliLayouting_LayoutChildren02");
+
+ Stage stage = Stage::GetCurrent();
+
+ auto rootControl = Control::New();
+ auto absoluteLayout = AbsoluteLayout::New();
+ DevelControl::SetLayout( rootControl, absoluteLayout );
+ stage.Add( rootControl );
+
+ auto hbox = Control::New();
+ auto hboxLayout = LinearLayout::New();
+ DevelControl::SetLayout( hbox, hboxLayout );
+ rootControl.Add( hbox );
+
+ DALI_TEST_EQUALS( absoluteLayout.GetChildCount(), 1, TEST_LOCATION );
+
+ tet_infoline("Test removal by removing child layout from parent layout" );
+ absoluteLayout.Remove( hboxLayout );
+
+ DALI_TEST_EQUALS( absoluteLayout.GetChildCount(), 0, TEST_LOCATION );
+
+ auto& hboxImpl = GetImplementation( hboxLayout );
+
+ tet_infoline("Check child actor has orphaned layout (Moving child keeps old layout)");
+ DALI_TEST_EQUALS( hboxLayout.GetOwner(), hbox, TEST_LOCATION );
+ DALI_TEST_EQUALS( DevelControl::GetLayout(hbox), hboxLayout, TEST_LOCATION );
+
+ tet_infoline("Check orphaned layout has no parent");
+ DALI_TEST_EQUALS( (void*)hboxImpl.GetParent(), (void*)nullptr, TEST_LOCATION );
+
+ END_TEST;
+}
+
+
+int UtcDaliLayouting_LayoutChildren04(void)
+{
+ ToolkitTestApplication application;
+ tet_infoline(" UtcDaliLayouting_LayoutChildren03");
+
+ Stage stage = Stage::GetCurrent();
+
+ auto rootControl = Control::New();
+ auto absoluteLayout = AbsoluteLayout::New();
+ DevelControl::SetLayout( rootControl, absoluteLayout );
+ stage.Add( rootControl );
+
+ auto hbox = Control::New();
+ tet_infoline("Test unparenting by adding child with no layout to parent (should auto-generate LayoutItem) ");
+ auto hboxLayout = LinearLayout::New();
+ rootControl.Add( hbox );
+
+ DALI_TEST_EQUALS( absoluteLayout.GetChildCount(), 1, TEST_LOCATION );
+
+ tet_infoline("Then setting a layout on the child container");
+ DevelControl::SetLayout( hbox, hboxLayout );
+
+ DALI_TEST_EQUALS( absoluteLayout.GetChildCount(), 1, TEST_LOCATION );
+
+ auto& hboxImpl = GetImplementation( hboxLayout );
+ auto& absImpl = GetImplementation( absoluteLayout );
+ DALI_TEST_EQUALS( hboxLayout.GetOwner(), Handle(hbox), TEST_LOCATION );
+ DALI_TEST_EQUALS( hboxImpl.GetParent(), (Dali::Toolkit::Internal::LayoutParent*)&absImpl, TEST_LOCATION );
+
+ END_TEST;
+}