public AndWhichConstraint<XDocumentAssertions,IEnumerable<XElement>> HaveElement( 
   XName expected,
   OccurrenceConstraint occurrenceConstraint,
   string because,
   params object[] becauseArgs
)

Parameters

expected

The full name System.Xml.Linq.XName of the expected child element of the current document's System.Xml.Linq.XDocument.Root element.

occurrenceConstraint

A constraint specifying the number of times the specified elements should appear.

because

A formatted phrase as is supported by System.String.Format(System.String,System.Object[]) explaining why the assertion is needed. If the phrase does not start with the word because, it is prepended automatically.

becauseArgs

Zero or more objects to format using the placeholders in because.

Reference

XDocumentAssertions Class
XDocumentAssertions Members
Overload List
System.Xml.Linq.XDocument.Root
System.Xml.Linq.XDocument
System.Xml.Linq.XName
System.Xml.Linq.XDocument.Root
System.String.Format(System.String,System.Object[])