Fluent Assertions Documentation
FluentAssertions Assembly / FluentAssertions.Primitives Namespace / NullableDateTimeAssertions<TAssertions> Class
In This Topic
    NullableDateTimeAssertions<TAssertions> Class
    In This Topic
    Contains a number of methods to assert that a nullable System.DateTime is in the expected state.
    Syntax
    [DebuggerNonUserCode()]
    public class NullableDateTimeAssertions<TAssertions> : DateTimeAssertions<TAssertions> 
    where TAssertions: NullableDateTimeAssertions<TAssertions>
    Type Parameters
    TAssertions
    Remarks
    You can use the FluentAssertions.Extensions.FluentDateTimeExtensions for a more fluent way of specifying a System.DateTime.
    Inheritance Hierarchy

    System.Object
       FluentAssertions.Primitives.DateTimeAssertions<TAssertions>
          FluentAssertions.Primitives.NullableDateTimeAssertions<TAssertions>
             FluentAssertions.Primitives.NullableDateTimeAssertions

    Public Constructors
    Public Properties
     NameDescription
    Public Property Gets the object whose value is being asserted. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
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    Public Methods
     NameDescription
    Public MethodOverloaded. Asserts that the current System.DateTime is exactly equal to the expected value. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime is after the specified value. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodReturns a DateTimeRangeAssertions<TAssertions> object that can be used to assert that the current System.DateTime is equal to or exceeds the specified timeSpan compared to another System.DateTime. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime is before the specified value. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime is within the specified time from the specified nearbyTime value. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodReturns a DateTimeRangeAssertions<TAssertions> object that can be used to assert that the current System.DateTime differs exactly the specified timeSpan compared to another System.DateTime. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the System.DateTime represents a value in the expectedKind. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodReturns a DateTimeRangeAssertions<TAssertions> object that can be used to assert that the current System.DateTime differs at maximum the specified timeSpan compared to another System.DateTime. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodReturns a DateTimeRangeAssertions<TAssertions> object that can be used to assert that the current System.DateTime exceeds the specified timeSpan compared to another System.DateTime. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that a nullable System.DateTime value is a null reference (Nothing in Visual Basic).  
    Public MethodOverloaded. Asserts that the System.DateTime is one of the specified validValues. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime is either on, or after the specified value. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime is either on, or before the specified value. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime has the expected date. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodReturns a DateTimeRangeAssertions<TAssertions> object that can be used to assert that the current System.DateTime is within the specified timeSpan compared to another System.DateTime. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public Method (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime has the expected day. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime has the expected hour. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime has the expected minute. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime has the expected month. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime has the expected second. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that a nullable System.DateTime value is not a null reference (Nothing in Visual Basic).  
    Public MethodAsserts that the current System.DateTime has the expected year. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodOverloaded. Asserts that the current System.DateTime or System.DateTime is not equal to the unexpected value. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime is not after the specified value. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime is not before the specified value. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime is not within the specified time from the specified distantTime value. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the System.DateTime does not represent a value in a specific kind. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that a nullable System.DateTime value is not a null reference (Nothing in Visual Basic).  
    Public MethodAsserts that the current System.DateTime is neither on, nor after the specified value. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime is neither on, nor before the specified value. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime is not the unexpected date. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime does not have the unexpected day. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime does not have the unexpected hour. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime does not have the unexpected minute. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime does not have the unexpected month. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that the current System.DateTime does not have the unexpected second. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
    Public MethodAsserts that a nullable System.DateTime value is a null reference (Nothing in Visual Basic).  
    Public MethodAsserts that the current System.DateTime does not have the unexpected year. (Inherited from FluentAssertions.Primitives.DateTimeAssertions<TAssertions>)
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    Extension Methods
     NameDescription
    Public Extension MethodSafely casts the specified object to the type specified through TTo.
    Public Extension MethodOverloaded. Invokes the specified action on a subject so that you can chain it with any of the assertions from FluentAssertions.Specialized.NonGenericAsyncFunctionAssertions
    Public Extension MethodOverloaded. Forces enumerating a collection. Should be used to assert that a method that uses the yield keyword throws a particular exception.
    Public Extension Method Provides methods for asserting the execution time of a method or property.
    Public Extension MethodOverloaded. Invokes the specified action on a subject so that you can chain it with any of the assertions from FluentAssertions.Specialized.ActionAssertions
    Public Extension MethodOverloaded. Starts monitoring eventSource for its events.
    Public Extension MethodOverloaded. Returns an FluentAssertions.Specialized.ExecutionTimeAssertions object that can be used to assert the current FluentAssertions.Specialized.ExecutionTime.
    Public Extension MethodOverloaded. Returns an FluentAssertions.Primitives.EnumAssertions<TEnum,TAssertions> object that can be used to assert the current TEnum.
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    Supported Frameworks

    .NET: net5.0, net5.0-windows, net6.0, net6.0-macos, net6.0-windows, net7.0, net7.0-macos, net7.0-windows, net8.0, net8.0-browser, net8.0-macos, net8.0-windows, net9.0, net9.0-browser, net9.0-macos, net9.0-windows, net10.0, net10.0-browser, net10.0-macos, net10.0-windows.

    .NET Standard: netstandard2.0, netstandard2.1.

    .NET Framework: net40, net403, net45, net451, net452, net46, net461, net462, net463, net47, net471, net472, net48, net481.

    See Also