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Fluent Assertions Documentation
[Root] / FluentAssertions Assembly / FluentAssertions.Types Namespace / TypeAssertions Class / HaveIndexer Method
The type of the indexer.
The parameter types for the indexer.
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
    HaveIndexer Method
    In This Topic
    Asserts that the current System.Type has an indexer of type indexerType. with parameter types parameterTypes.
    Syntax
    public AndWhichConstraint<TypeAssertions,PropertyInfo> HaveIndexer( 
   Type indexerType,
   IEnumerable<Type> parameterTypes,
   string because,
   params object[] becauseArgs
)

    Parameters

    indexerType
    The type of the indexer.
    parameterTypes
    The parameter types for the indexer.
    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.ArgumentNullExceptionindexerType is a null reference (Nothing in Visual Basic).
    System.ArgumentNullExceptionparameterTypes 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

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