public void MoveUsingsToFileTest()
{
List <ICodeElement> codeElements = new List <ICodeElement>();
UsingElement using1 = new UsingElement();
using1.Name = "System";
using1.IsMovable = true;
codeElements.Add(using1);
NamespaceElement namespaceElement = new NamespaceElement();
namespaceElement.Name = "TestNamespace";
codeElements.Add(namespaceElement);
// Nested region and groups
RegionElement region = new RegionElement();
region.Name = "Region";
namespaceElement.AddChild(region);
GroupElement group = new GroupElement();
group.Name = "Group";
region.AddChild(group);
UsingElement using2 = new UsingElement();
using2.Name = "System.IO";
using2.IsMovable = true;
group.AddChild(using2);
UsingElement using3 = new UsingElement();
using3.Name = "System.Collections";
using3.IsMovable = true;
namespaceElement.AddChild(using3);
TypeElement class1 = new TypeElement();
class1.Name = "Class1";
namespaceElement.AddChild(class1);
TypeElement class2 = new TypeElement();
class2.Name = "Class2";
namespaceElement.AddChild(class2);
CodeConfiguration configuration = CodeConfiguration.Default.Clone() as CodeConfiguration;
CodeArranger arranger;
//
// Move to file.
//
configuration.Formatting.Usings.MoveTo = CodeLevel.File;
arranger = new CodeArranger(configuration);
ReadOnlyCollection <ICodeElement> arranged = arranger.Arrange(codeElements.AsReadOnly());
Assert.AreEqual(2, arranged.Count, "After arranging, an unexpected number of elements were returned.");
GroupElement fileGroup = arranged[0] as GroupElement;
Assert.IsNotNull(fileGroup);
GroupElement innerGroup = fileGroup.Children[0] as GroupElement;
Assert.AreEqual("System", innerGroup.Children[0].Name);
Assert.AreEqual("System.Collections", innerGroup.Children[1].Name);
Assert.AreEqual("System.IO", innerGroup.Children[2].Name);
NamespaceElement namespaceElementTest = arranged[1] as NamespaceElement;
Assert.IsNotNull(namespaceElementTest, "Expected a namespace element.");
Assert.AreEqual(2, namespaceElementTest.Children.Count,
"After arranging, an unexpected number of namespace elements were returned.");
RegionElement typeRegion = namespaceElementTest.Children[1] as RegionElement;
Assert.IsNotNull(typeRegion);
Assert.AreEqual("Class1", typeRegion.Children[0].Name);
Assert.AreEqual("Class2", typeRegion.Children[1].Name);
}