public IEnumerator DeletableElementCanBeDeleted()
{
yield return(null);
var node1 = m_NodeModel1.GetUI <Node>(graphView);
var node2 = m_NodeModel2.GetUI <Node>(graphView);
Assert.IsNotNull(node1);
Assert.IsNotNull(node2);
Assert.True(m_NodeModel1.IsDeletable());
Assert.False(m_NodeModel2.IsDeletable());
// We need to get the graphView in focus for the commands to be properly sent.
graphView.Focus();
Assert.AreEqual(2, graphView.GraphElements.ToList().Count);
CommandDispatcher.Dispatch(new SelectElementsCommand(SelectElementsCommand.SelectionMode.Replace, m_NodeModel1));
yield return(null);
helpers.ExecuteCommand("Delete");
yield return(null);
Assert.AreEqual(1, graphView.GraphElements.ToList().Count);
// Node 2 is not deletable.
// Selecting it and sending the Delete command should leave the node count unchanged.
CommandDispatcher.Dispatch(new SelectElementsCommand(SelectElementsCommand.SelectionMode.Replace, m_NodeModel2));
yield return(null);
helpers.ExecuteCommand("Delete");
yield return(null);
Assert.AreEqual(1, graphView.GraphElements.ToList().Count);
yield return(null);
}
