Specification.

LessThan<T, TProperty>(ICompositeSpecification<T>, Expression<Func<T, TProperty>>, TProperty, IComparer<TProperty>) Method

Summary

Composes self Specification with LessThanSpecification<T> for candidate property:

Checks if candidate property is lower than expected value.

Namespace
FluentSpecification
Containing Type
Specification

Syntax

[PublicAPI]
[NotNull]
public static IComplexSpecification<T> LessThan<T, TProperty>(this ICompositeSpecification<T> self, Expression<Func<T, TProperty>> selector, TProperty lessThan, IComparer<TProperty> comparer = null)

Attributes

Type Description
PublicAPI
NotNull

Type Parameters

Name Description
T Type of candidate.
TProperty Type of compared objects.

Parameters

Name Type Description
self ICompositeSpecification<T> Self specification.
selector Expression<Func<T, TProperty>> Candidate property selector.
lessThan TProperty Candidate property should be less than value.
comparer IComparer<TProperty> Comparer.

Return Value

Type Description
IComplexSpecification<T> Composed complex Specification.

Exceptions

Type Description
System.ArgumentNullException Thrown when self or selector is null.
System.ArgumentException Thrown when selector is not valid.
System.ArgumentException Thrown when TProperty has no valid comparison methods.
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