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Fluent Assertions Documentation
[Root] / FluentAssertions Assembly / FluentAssertions.Collections Namespace / GenericCollectionAssertions<TCollection,T,TAssertions> Class / NotHaveSameCount<TExpectation> Method
The other collection with the unexpected number of elements
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
    NotHaveSameCount<TExpectation> Method
    In This Topic
    Assert that the current collection does not have the same number of elements as otherCollection.
    Syntax
    public AndConstraint<TAssertions> NotHaveSameCount<TExpectation>( 
   IEnumerable<TExpectation> otherCollection,
   string because,
   params object[] becauseArgs
)

    Parameters

    otherCollection
    The other collection with the unexpected number of elements
    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

    TExpectation
    Exceptions
    ExceptionDescription
    System.ArgumentNullExceptionotherCollection 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

    GenericCollectionAssertions<TCollection,T,TAssertions> Class
    GenericCollectionAssertions<TCollection,T,TAssertions> Members

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