Fixed unparenting a layout item from a layout group

[platform/core/uifw/dali-toolkit.git] / automated-tests / src / dali-toolkit / utc-Dali-Layouting.cpp

diff --git a/automated-tests/src/dali-toolkit/utc-Dali-Layouting.cpp b/automated-tests/src/dali-toolkit/utc-Dali-Layouting.cpp
index a9712d0..f31b2e6 100644 (file)
--- a/automated-tests/src/dali-toolkit/utc-Dali-Layouting.cpp
+++ b/automated-tests/src/dali-toolkit/utc-Dali-Layouting.cpp
@@ -23,6 +23,8 @@
 #include <dali-toolkit/devel-api/controls/control-devel.h>
 #include <dali-toolkit/devel-api/layouting/absolute-layout.h>
 #include <dali-toolkit/devel-api/layouting/linear-layout.h>
+#include <dali-toolkit/devel-api/layouting/layout-item-impl.h>
+#include <dali-toolkit/devel-api/layouting/layout-group-impl.h>
 
 #include <../custom-layout.h>
 
@@ -1448,7 +1450,6 @@ int UtcDaliLayouting_HboxLayout_TargetSize(void)
   END_TEST;
 }
 
-
 int UtcDaliLayouting_RemoveLayout01(void)
 {
   ToolkitTestApplication application;
@@ -1502,3 +1503,138 @@ int UtcDaliLayouting_RemoveLayout01(void)
 
   END_TEST;
 }
+
+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;
+}