Fluent Assertions Documentation
FluentAssertions Assembly / FluentAssertions.Execution Namespace / Reason Class
In This Topic
    Reason Class
    In This Topic
    Represents the reason for a structural equivalency assertion.
    Syntax
    public class Reason 
    Inheritance Hierarchy

    System.Object
       FluentAssertions.Execution.Reason

    Public Constructors
     NameDescription
    Public Constructor  
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    Public Properties
     NameDescription
    Public PropertyZero or more objects to format using the placeholders in FormattedMessage.  
    Public PropertyA 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.  
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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