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Fluent Assertions Documentation
FluentAssertions.Collections Namespace / GenericCollectionAssertions<TCollection,T,TAssertions> Class / HaveCount Method / HaveCount(Expression<Func<Int32,Boolean>>,String,Object[]) Method
A predicate that yields the number of items that is expected to be in the collection.
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.
Zero or more objects to format using the placeholders in because.
In This Topic
    HaveCount(Expression<Func<Int32,Boolean>>,String,Object[]) Method
    In This Topic
    Asserts that the number of items in the collection matches a condition stated by the countPredicate.
    Syntax
    public AndConstraint<TAssertions> HaveCount( 
   Expression<Func<int,bool>> countPredicate,
   string because,
   params object[] becauseArgs
)

    Parameters

    countPredicate
    A predicate that yields the number of items that is expected to be in the collection.
    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.
    Exceptions
    ExceptionDescription
    System.ArgumentNullExceptioncountPredicate is a null reference (Nothing in Visual Basic).
    Requirements

    Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

    See Also

    Reference

    GenericCollectionAssertions<TCollection,T,TAssertions> Class
    GenericCollectionAssertions<TCollection,T,TAssertions> Members
    Overload List

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