a collection to wrap in a LoneElementCollectionWrapper, which provides the loneElement method.
a typeclass that enables the loneElement syntax
Returns the value contained in the wrapped collection, if it contains one and only one element, else throws TestFailedException with
a detail message describing the problem.
Returns the value contained in the wrapped collection, if it contains one and only one element, else throws TestFailedException with
a detail message describing the problem.
This method enables syntax such as the following:
trav.loneElement should be > 9
^
Wrapper class that adds a
loneElementmethod to any collection typeCfor which an implicitCollection[C]is available.Through the implicit conversion provided by trait
LoneElement, this class allows you to make statements like:trav.loneElement should be > 9the element type of the collection on which to add the
loneElementmethodthe "collection type constructor" for the collection on which to add the
loneElementmethod