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Fluent Assertions Documentation
FluentAssertions.Extensibility Namespace / AssertionEngineInitializerAttribute Class
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    AssertionEngineInitializerAttribute Class
    In This Topic
    Can be added to an assembly so it gets a change to initialize Fluent Assertions before the first assertion happens.
    Syntax
    [AttributeUsage(AttributeTargets.Assembly, AllowMultiple=true)]
public sealed class AssertionEngineInitializerAttribute : System.Attribute
    Inheritance Hierarchy

    System.Object
       System.Attribute
          FluentAssertions.Extensibility.AssertionEngineInitializerAttribute

    Public Constructors
     NameDescription
    Public ConstructorAssertionEngineInitializerAttribute Constructor Defines the static void-returning and parameterless method that should be invoked before the first assertion happens.  
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    Public Properties
     NameDescription
    Public PropertyTypeId (Inherited from System.Attribute)
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    Public Methods
     NameDescription
    Public MethodEquals (Inherited from System.Attribute)
    Public MethodGetHashCode (Inherited from System.Attribute)
    Public MethodIsDefaultAttribute (Inherited from System.Attribute)
    Public MethodMatch (Inherited from System.Attribute)
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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

    AssertionEngineInitializerAttribute Members
    FluentAssertions.Extensibility Namespace

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