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Fluent Assertions Documentation
[Root] / FluentAssertions Assembly / FluentAssertions.Equivalency Namespace / EquivalencyOptions<TExpectation> Class / WithMapping Method / WithMapping(String,String) Method
A field or property path indicating the (nested) member to map from in the format Parent.Child.Collection[].Member.
A field or property path indicating the (nested) member to map to in the format Parent.Child.Collection[].Member.
In This Topic
    WithMapping(String,String) Method
    In This Topic
    Maps a (nested) property or field of the expectation to a (nested) property or field of the subject using a path string.
    Syntax
    public EquivalencyOptions<TExpectation> WithMapping( 
   string expectationMemberPath,
   string subjectMemberPath
)

    Parameters

    expectationMemberPath
    A field or property path indicating the (nested) member to map from in the format Parent.Child.Collection[].Member.
    subjectMemberPath
    A field or property path indicating the (nested) member to map to in the format Parent.Child.Collection[].Member.
    Remarks
    The members of the subject and the expectation must have the same parent. Also, indexes in collections are not allowed and must be written as "[]". If the types of the members are different, the usual logic applies depending or not if conversion options were specified. Fields can be mapped to properties and vice-versa.
    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

    EquivalencyOptions<TExpectation> Class
    EquivalencyOptions<TExpectation> Members
    Overload List

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