Xceed Logo
Shop
Fluent Assertions Documentation
[Root] / FluentAssertions Assembly / FluentAssertions.Types Namespace / TypeAssertions Class / NotBeDerivedFrom Method / NotBeDerivedFrom(Type,String,Object[]) Method
The type that should not be derived from.
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
    NotBeDerivedFrom(Type,String,Object[]) Method
    In This Topic
    Asserts that the current System.Type is not derived from baseType.
    Syntax
    public AndConstraint<TypeAssertions> NotBeDerivedFrom( 
   Type baseType,
   string because,
   params object[] becauseArgs
)

    Parameters

    baseType
    The type that should not be derived from.
    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.
    Exceptions
    ExceptionDescription
    System.ArgumentNullExceptionbaseType is a null reference (Nothing in Visual Basic).
    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

    TypeAssertions Class
    TypeAssertions Members
    Overload List

    Send Feedback