Test failure: DataContractSerializerTests.DCS_BasicPerSerializerRoundTripAndCompare_InheritedFromIList

[VincentBu]

Failed in: runtime-coreclr crossgen2 20260606.1

Failed tests:

net11.0-windows-Release-x64-TestReadyToRun_Release-Windows.Server2025.Amd64.Open
- DataContractSerializerTests.DCS_BasicPerSerializerRoundTripAndCompare_InheritedFromIList

Error message:

XML comparison is also failing
Test failed for input: SerializationTestTypes.ObjectContainer
Expected: <ObjectContainer xmlns="http://schemas.datacontract.org/2004/07/SerializationTestTypes" xmlns:i="http://www.w3.org/2001/XMLSchema-instance"><_data i:type="a:SerializationTestTypes.SampleListExplicitWithoutDC***" xmlns:a="http://schemas.datacontract.org/2004/07/SerializationTestTypes.SampleListExplicitWithoutDC***"><anyType i:type="b:dateTime" xmlns:b="http://www.w3.org/2001/XMLSchema">0001-01-01T00:00:00</anyType><anyType i:type="b:duration" xmlns:b="http://schemas.microsoft.com/2003/10/Serialization/">P10675199DT2H48M5.4775807S</anyType><anyType i:type="b:string" xmlns:b="http://www.w3.org/2001/XMLSchema"/><anyType i:type="b:double" xmlns:b="http://www.w3.org/2001/XMLSchema">1.7976931348623157E+308</anyType><anyType i:type="b:double" xmlns:b="http://www.w3.org/2001/XMLSchema">-INF</anyType><anyType i:type="b:guid" xmlns:b="http://schemas.microsoft.com/2003/10/Serialization/">0c9e174e-cdd8-4b68-a70d-aaeb26c7deeb</anyType></_data><_data2 i:type="a:SerializationTestTypes.SampleListExplicitWithoutDC***" xmlns:a="http://schemas.datacontract.org/2004/07/SerializationTestTypes.SampleListExplicitWithoutDC***"><anyType i:type="b:dateTime" xmlns:b="http://www.w3.org/2001/XMLSchema">0001-01-01T00:00:00</anyType><anyType i:type="b:duration" xmlns:b="http://schemas.microsoft.com/2003/10/Serialization/">P10675199DT2H48M5.4775807S</anyType><anyType i:type="b:string" xmlns:b="http://www.w3.org/2001/XMLSchema"/><anyType i:type="b:double" xmlns:b="http://www.w3.org/2001/XMLSchema">1.7976931348623157E+308</anyType><anyType i:type="b:double" xmlns:b="http://www.w3.org/2001/XMLSchema">-INF</anyType><anyType i:type="b:guid" xmlns:b="http://schemas.microsoft.com/2003/10/Serialization/">0c9e174e-cdd8-4b68-a70d-aaeb26c7deeb</anyType></_data2></ObjectContainer>
Actual: <ObjectContainer xmlns="http://schemas.datacontract.org/2004/07/SerializationTestTypes" xmlns:i="http://www.w3.org/2001/XMLSchema-instance"><_data/><_data2/></ObjectContainer>

Stack trace:

   at System.Runtime.Serialization.Tests.DataContractSerializerHelper.SerializeAndDeserialize[T](T value, String baseline, DataContractSerializerSettings settings, Func`1 serializerFactory, Boolean skipStringCompare, Boolean verifyBinaryRoundTrip) in /_/src/libraries/Common/tests/System/Runtime/Serialization/DataContractSerializerHelper.cs:line 37
   at DataContractSerializerTests.TestObjectInObjectContainerWithSimpleResolver[T](T o, String baseline, Boolean skipStringCompare) in /_/src/libraries/System.Runtime.Serialization.Xml/tests/DataContractSerializer.cs:line 4696
   at DataContractSerializerTests.DCS_BasicPerSerializerRoundTripAndCompare_InheritedFromIList() in /_/src/libraries/System.Runtime.Serialization.Xml/tests/DataContractSerializer.cs:line 3703
   at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args)
   at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr)