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Fluent Assertions Documentation
[Root] / FluentAssertions Assembly / FluentAssertions.Primitives Namespace / ReferenceTypeAssertions<TSubject,TAssertions> Class / NotBeOfType Method / NotBeOfType<T>(String,Object[]) Method
The type that the subject is not supposed to be.
A 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.
Zero or more objects to format using the placeholders in because.
In This Topic
    NotBeOfType<T>(String,Object[]) Method
    In This Topic
    Asserts that the object is not of the specified type T.
    Syntax
    public AndConstraint<TAssertions> NotBeOfType<T>( 
   string because,
   params object[] becauseArgs
)

    Parameters

    because
    A 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.
    becauseArgs
    Zero or more objects to format using the placeholders in because.

    Type Parameters

    T
    The type that the subject is not supposed to be.
    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

    ReferenceTypeAssertions<TSubject,TAssertions> Class
    ReferenceTypeAssertions<TSubject,TAssertions> Members
    Overload List

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