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Fluent Assertions Documentation
FluentAssertions.Collections Namespace / SubsequentOrderingAssertions<T> Class / ThenBeInAscendingOrder Method / ThenBeInAscendingOrder<TSelector>(Expression<Func<T,TSelector>>,IComparer<TSelector>,String,Object[]) Method
A lambda expression that references the property that should be used to determine the expected ordering.
The object that should be used to determine the expected ordering.
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
    ThenBeInAscendingOrder<TSelector>(Expression<Func<T,TSelector>>,IComparer<TSelector>,String,Object[]) Method
    In This Topic
    Asserts that a subsequence is ordered in ascending order according to the value of the specified propertyExpression and IComparer implementation.
    Syntax
    public AndConstraint<SubsequentOrderingAssertions<T>> ThenBeInAscendingOrder<TSelector>( 
   Expression<Func<T,TSelector>> propertyExpression,
   IComparer<TSelector> comparer,
   string because,
   params object[] becauseArgs
)

    Parameters

    propertyExpression
    A lambda expression that references the property that should be used to determine the expected ordering.
    comparer
    The object that should be used to determine the expected ordering.
    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.

    Type Parameters

    TSelector
    Exceptions
    ExceptionDescription
    System.ArgumentNullExceptioncomparer is a null reference (Nothing in Visual Basic).
    Remarks
    Empty and single element collections are considered to be ordered both in ascending and descending order at the same time.
    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

    SubsequentOrderingAssertions<T> Class
    SubsequentOrderingAssertions<T> Members
    Overload List

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