public void CanArrangeTest()
{
ChainElementArranger chain = new ChainElementArranger();
FieldElement fieldElement = new FieldElement();
//
// No arrangers in chain
//
Assert.IsFalse(
chain.CanArrange(fieldElement),
"Empty chain element arranger should not be able to arrange an element.");
//
// Add an arranger that can't arrange the element
//
TestElementArranger disabledArranger = new TestElementArranger(false);
chain.AddArranger(disabledArranger);
Assert.IsFalse(chain.CanArrange(fieldElement), "Unexpected return value from CanArrange.");
//
// Add an arranger that can arrange the element
//
TestElementArranger enabledArranger = new TestElementArranger(true);
chain.AddArranger(enabledArranger);
Assert.IsTrue(chain.CanArrange(fieldElement), "Unexpected return value from CanArrange.");
//
// Null
//
Assert.IsFalse(chain.CanArrange(null), "Unexpected return value from CanArrange.");
}
public void UnsupportedArrangeNoParentTest()
{
ChainElementArranger chain = new ChainElementArranger();
FieldElement fieldElement = new FieldElement();
//
// Add an arranger that can't arrange the element
//
TestElementArranger disabledArranger = new TestElementArranger(false);
chain.AddArranger(disabledArranger);
Assert.IsFalse(chain.CanArrange(fieldElement), "Unexpected return value from CanArrange.");
chain.ArrangeElement(null, fieldElement);
}
/// <summary>
/// Creates an arranger for the children of elements associated with the
/// specified cofiguration.
/// </summary>
/// <param name="parentConfiguration">Parent configuration.</param>
/// <returns>Element arranger for children.</returns>
internal static IElementArranger CreateChildrenArranger(ConfigurationElement parentConfiguration)
{
ChainElementArranger childrenArranger = new ChainElementArranger();
foreach (ConfigurationElement childConfiguration in parentConfiguration.Elements)
{
IElementArranger childElementArranger = CreateElementArranger(
childConfiguration, parentConfiguration);
if (childElementArranger != null)
{
childrenArranger.AddArranger(childElementArranger);
}
}
return(childrenArranger);
}
/// <summary>
/// Creates an arranger for the children of elements associated with the
/// specified cofiguration.
/// </summary>
/// <param name="parentConfiguration">Parent configuration.</param>
/// <returns>Element arranger for children.</returns>
internal static IElementArranger CreateChildrenArranger(ConfigurationElement parentConfiguration)
{
ChainElementArranger childrenArranger = new ChainElementArranger();
foreach (ConfigurationElement childConfiguration in parentConfiguration.Elements)
{
IElementArranger childElementArranger = CreateElementArranger(
childConfiguration, parentConfiguration);
if (childElementArranger != null)
{
childrenArranger.AddArranger(childElementArranger);
}
}
return childrenArranger;
}
public void UnsupportedArrangeWithParentTest()
{
GroupElement parentElement = new GroupElement();
ChainElementArranger chain = new ChainElementArranger();
FieldElement fieldElement = new FieldElement();
//
// Add an arranger that can't arrange the element
//
TestElementArranger disabledArranger = new TestElementArranger(false);
chain.AddArranger(disabledArranger);
Assert.IsFalse(chain.CanArrange(fieldElement), "Unexpected return value from CanArrange.");
chain.ArrangeElement(parentElement, fieldElement);
Assert.IsTrue(parentElement.Children.Contains(fieldElement));
}
public void AddArrangerNullTest()
{
ChainElementArranger chainArranger = new ChainElementArranger();
chainArranger.AddArranger(null);
}