/// <summary>
/// Test running the node, then clearing the
/// selection and running again.
/// </summary>
/// <typeparam name="T1"></typeparam>
/// <typeparam name="T2"></typeparam>
/// <param name="selectNode"></param>
private void TestSingleSelection <T1, T2>(SelectionBase <T1, T2> selectNode)
{
var element = GetPreviewValue(selectNode.GUID.ToString());
Assert.NotNull(element);
selectNode.ClearSelections();
RunCurrentModel();
element = GetPreviewValue(selectNode.GUID.ToString());
Assert.Null(element);
}
/// <summary>
/// Test running the node, then clearing the
/// selection and running again.
/// </summary>
/// <typeparam name="T1"></typeparam>
/// <typeparam name="T2"></typeparam>
/// <param name="selectNode"></param>
private void TestMultipleSelection <T1, T2>(SelectionBase <T1, T2> selectNode)
{
var elements = GetPreviewCollection(selectNode.GUID.ToString());
Assert.NotNull(elements);
Assert.Greater(elements.Count(), 0);
selectNode.ClearSelections();
RunCurrentModel();
elements = GetPreviewCollection(selectNode.GUID.ToString());
Assert.Null(elements);
}