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Fluent Assertions Documentation
FluentAssertions Assembly / FluentAssertions.Primitives Namespace / DateTimeAssertions<TAssertions> Class
In This Topic
    DateTimeAssertions<TAssertions> Class
    In This Topic
    Contains a number of methods to assert that a System.DateTime is in the expected state.
    Syntax
    [DebuggerNonUserCode()]
public class DateTimeAssertions<TAssertions> 
where TAssertions: DateTimeAssertions<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.DateTimeAssertions
          FluentAssertions.Primitives.NullableDateTimeAssertions<TAssertions>

    Public Constructors
     NameDescription
    Public ConstructorDateTimeAssertions<TAssertions> Constructor  
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    Public Properties
     NameDescription
    Public PropertySubject Gets the object whose value is being asserted.  
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    Public Methods
     NameDescription
    Public MethodBeOverloaded. Asserts that the current System.DateTime is exactly equal to the expected value.  
    Public MethodBeAfterAsserts that the current System.DateTime is after the specified value.  
    Public MethodBeAtLeastReturns 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.  
    Public MethodBeBeforeAsserts that the current System.DateTime is before the specified value.  
    Public MethodBeCloseToAsserts that the current System.DateTime is within the specified time from the specified nearbyTime value.  
    Public MethodBeExactlyReturns 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.  
    Public MethodBeInAsserts that the System.DateTime represents a value in the expectedKind.  
    Public MethodBeLessThanReturns 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.  
    Public MethodBeMoreThanReturns a DateTimeRangeAssertions<TAssertions> object that can be used to assert that the current System.DateTime exceeds the specified timeSpan compared to another System.DateTime.  
    Public MethodBeOneOfOverloaded. Asserts that the System.DateTime is one of the specified validValues.  
    Public MethodBeOnOrAfterAsserts that the current System.DateTime is either on, or after the specified value.  
    Public MethodBeOnOrBeforeAsserts that the current System.DateTime is either on, or before the specified value.  
    Public MethodBeSameDateAsAsserts that the current System.DateTime has the expected date.  
    Public MethodBeWithinReturns 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.  
    Public MethodEquals  
    Public MethodHaveDayAsserts that the current System.DateTime has the expected day.  
    Public MethodHaveHourAsserts that the current System.DateTime has the expected hour.  
    Public MethodHaveMinuteAsserts that the current System.DateTime has the expected minute.  
    Public MethodHaveMonthAsserts that the current System.DateTime has the expected month.  
    Public MethodHaveSecondAsserts that the current System.DateTime has the expected second.  
    Public MethodHaveYearAsserts that the current System.DateTime has the expected year.  
    Public MethodNotBeOverloaded. Asserts that the current System.DateTime or System.DateTime is not equal to the unexpected value.  
    Public MethodNotBeAfterAsserts that the current System.DateTime is not after the specified value.  
    Public MethodNotBeBeforeAsserts that the current System.DateTime is not before the specified value.  
    Public MethodNotBeCloseToAsserts that the current System.DateTime is not within the specified time from the specified distantTime value.  
    Public MethodNotBeInAsserts that the System.DateTime does not represent a value in a specific kind.  
    Public MethodNotBeOnOrAfterAsserts that the current System.DateTime is neither on, nor after the specified value.  
    Public MethodNotBeOnOrBeforeAsserts that the current System.DateTime is neither on, nor before the specified value.  
    Public MethodNotBeSameDateAsAsserts that the current System.DateTime is not the unexpected date.  
    Public MethodNotHaveDayAsserts that the current System.DateTime does not have the unexpected day.  
    Public MethodNotHaveHourAsserts that the current System.DateTime does not have the unexpected hour.  
    Public MethodNotHaveMinuteAsserts that the current System.DateTime does not have the unexpected minute.  
    Public MethodNotHaveMonthAsserts that the current System.DateTime does not have the unexpected month.  
    Public MethodNotHaveSecondAsserts that the current System.DateTime does not have the unexpected second.  
    Public MethodNotHaveYearAsserts that the current System.DateTime does not have the unexpected year.  
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    Extension Methods
     NameDescription
    Public Extension MethodAs<TTo>Safely casts the specified object to the type specified through TTo.
    Public Extension MethodAwaitingOverloaded. Invokes the specified action on a subject so that you can chain it with any of the assertions from FluentAssertions.Specialized.NonGenericAsyncFunctionAssertions
    Public Extension MethodEnumeratingOverloaded. Forces enumerating a collection. Should be used to assert that a method that uses the yield keyword throws a particular exception.
    Public Extension MethodExecutionTimeOf<T> Provides methods for asserting the execution time of a method or property.
    Public Extension MethodInvokingOverloaded. Invokes the specified action on a subject so that you can chain it with any of the assertions from FluentAssertions.Specialized.ActionAssertions
    Public Extension MethodMonitorOverloaded. Starts monitoring eventSource for its events.
    Public Extension MethodShouldOverloaded. Returns an FluentAssertions.Specialized.ExecutionTimeAssertions object that can be used to assert the current FluentAssertions.Specialized.ExecutionTime.
    Public Extension MethodShouldOverloaded. 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

    Reference

    DateTimeAssertions<TAssertions> Members
    FluentAssertions.Primitives Namespace
    System.DateTime
    FluentDateTimeExtensions Class
    System.DateTime

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