diff --git a/src/coreclr/tools/Common/TypeSystem/IL/Stubs/ComparerIntrinsics.cs b/src/coreclr/tools/Common/TypeSystem/IL/Stubs/ComparerIntrinsics.cs index 8835a98168582a..10a844808ea6a9 100644 --- a/src/coreclr/tools/Common/TypeSystem/IL/Stubs/ComparerIntrinsics.cs +++ b/src/coreclr/tools/Common/TypeSystem/IL/Stubs/ComparerIntrinsics.cs @@ -92,6 +92,11 @@ private static InstantiatedType GetComparerForType(TypeDesc type, string flavor, .MakeInstantiatedType(type.Instantiation[0]); } + if (type.IsString && flavor == "EqualityComparer") + { + return context.SystemModule.GetKnownType("System.Collections.Generic", "StringEqualityComparer"); + } + if (type.IsEnum) { // Enums have a specialized comparer that avoids boxing diff --git a/src/coreclr/vm/jitinterface.cpp b/src/coreclr/vm/jitinterface.cpp index a33069ca969a16..d30bfbd6dcad0d 100644 --- a/src/coreclr/vm/jitinterface.cpp +++ b/src/coreclr/vm/jitinterface.cpp @@ -8922,8 +8922,7 @@ CORINFO_CLASS_HANDLE CEEInfo::getDefaultEqualityComparerClassHelper(CORINFO_CLAS // string if (elemTypeHnd.IsString()) { - TypeHandle resultTh = ((TypeHandle)CoreLibBinder::GetClass(CLASS__STRING_EQUALITYCOMPARER)).Instantiate(inst); - return CORINFO_CLASS_HANDLE(resultTh.GetMethodTable()); + return CORINFO_CLASS_HANDLE(CoreLibBinder::GetClass(CLASS__STRING_EQUALITYCOMPARER)); } // Nullable diff --git a/src/libraries/System.Private.CoreLib/src/System/Collections/Generic/EqualityComparer.cs b/src/libraries/System.Private.CoreLib/src/System/Collections/Generic/EqualityComparer.cs index c1de13d65dea54..43b26125056808 100644 --- a/src/libraries/System.Private.CoreLib/src/System/Collections/Generic/EqualityComparer.cs +++ b/src/libraries/System.Private.CoreLib/src/System/Collections/Generic/EqualityComparer.cs @@ -265,7 +265,7 @@ public override int GetHashCode() => // This class exists to be EqualityComparer.Default. It can't just use the GenericEqualityComparer, // as it needs to also implement IAlternateEqualityComparer, string>, and it can't be - // StringComparer.Ordinal, as that doesn't derive from the abstract EqualityComparer. + // StringComparer.Ordinal, as that doesn't derive from the required abstract EqualityComparer base class. [Serializable] internal sealed partial class StringEqualityComparer : EqualityComparer, @@ -274,12 +274,24 @@ internal sealed partial class StringEqualityComparer : { void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context) { - // This type was introduced after BinaryFormatter was deprecated. BinaryFormatter serializes - // types from System.Private.CoreLib without an assembly name, and then on deserialization assumes - // "mscorlib". To support such roundtripping, this type would need to be public and type-forwarded from - // the mscorlib shim. Instead, we serialize this instead as a GenericEqualityComparer. The - // resulting behavior is the same, except it won't implement IAlternateEqualityComparer, and so functionality - // that relies on that interface (which was also introduced after BinaryFormatter was deprecated) won't work. + // This type is added as an internal implementation detail in .NET 9. Even though as of .NET 9 BinaryFormatter has been + // deprecated, for back compat we still need to support serializing this type, especially when EqualityComparer.Default + // is used as part of a collection, like Dictionary. + // + // BinaryFormatter treats types in the core library as being special, in that it doesn't include the assembly as part of the + // serialized data, and then on deserialization it assumes the type is in mscorlib. We could make the type public and type forward + // it from the mscorlib shim, which would enable roundtripping on .NET 9+, but because this type doesn't exist downlevel, it would + // break serializing on .NET 9+ and deserializing downlevel. Therefore, we need to serialize as something that exists downlevel. + + // We could serialize as OrdinalComparer, which does exist downlevel, and which has the nice property that it also implements + // IAlternateEqualityComparer, string>, which means serializing an instance on .NET 9+ and deserializing it + // on .NET 9+ would continue to support span-based lookups. However, OrdinalComparer is not an EqualityComparer, which + // means the type's public ancestry would not be retained, which could lead to strange casting-related errors, including downlevel. + + // Instead, we can serialize as a GenericEqualityComparer. This exists downlevel and also derives from EqualityComparer, + // but doesn't implement IAlternateEqualityComparer, string>. This means that upon deserializing on .NET 9+, + // the comparer loses its ability to handle span-based lookups. As BinaryFormatter is deprecated on .NET 9+, this is a readonable tradeoff. + info.SetType(typeof(GenericEqualityComparer)); } diff --git a/src/libraries/System.Private.CoreLib/src/System/StringComparer.cs b/src/libraries/System.Private.CoreLib/src/System/StringComparer.cs index cb99f1ab72f604..287ede3cd97c2b 100644 --- a/src/libraries/System.Private.CoreLib/src/System/StringComparer.cs +++ b/src/libraries/System.Private.CoreLib/src/System/StringComparer.cs @@ -88,10 +88,12 @@ public static bool IsWellKnownOrdinalComparer(IEqualityComparer? compar { case StringComparer stringComparer: return stringComparer.IsWellKnownOrdinalComparerCore(out ignoreCase); - case StringEqualityComparer: - // special-case EqualityComparer.Default, which is Ordinal-equivalent + + case StringEqualityComparer: // EqualityComparer.Default + case GenericEqualityComparer: // EqualityComparer.Default serialized ignoreCase = false; return true; + default: // unknown comparer ignoreCase = default; diff --git a/src/libraries/System.Resources.Extensions/tests/BinaryFormatTests/Legacy/BinaryFormatterTestData.cs b/src/libraries/System.Resources.Extensions/tests/BinaryFormatTests/Legacy/BinaryFormatterTestData.cs index 286f0277f427d3..93da58616cc041 100644 --- a/src/libraries/System.Resources.Extensions/tests/BinaryFormatTests/Legacy/BinaryFormatterTestData.cs +++ b/src/libraries/System.Resources.Extensions/tests/BinaryFormatTests/Legacy/BinaryFormatterTestData.cs @@ -78,6 +78,7 @@ public partial class BinaryFormatterTests yield return (EqualityComparer.Default, new TypeSerializableValue[] { new("AAEAAAD/////AQAAAAAAAAAEAQAAANUBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuT2JqZWN0RXF1YWxpdHlDb21wYXJlcmAxW1tCaW5hcnlGb3JtYXRUZXN0cy5Gb3JtYXR0ZXJUZXN0cy5VSW50NjRFbnVtLCBTeXN0ZW0uUmVzb3VyY2VzLkV4dGVuc2lvbnMuQmluYXJ5Rm9ybWF0LlRlc3RzLCBWZXJzaW9uPTkuMC4wLjAsIEN1bHR1cmU9bmV1dHJhbCwgUHVibGljS2V5VG9rZW49Y2M3YjEzZmZjZDJkZGQ1MV1dAAAAAAs=", TargetFrameworkMoniker.netcoreapp20), new("AAEAAAD/////AQAAAAAAAAAEAQAAANUBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuT2JqZWN0RXF1YWxpdHlDb21wYXJlcmAxW1tCaW5hcnlGb3JtYXRUZXN0cy5Gb3JtYXR0ZXJUZXN0cy5VSW50NjRFbnVtLCBTeXN0ZW0uUmVzb3VyY2VzLkV4dGVuc2lvbnMuQmluYXJ5Rm9ybWF0LlRlc3RzLCBWZXJzaW9uPTkuMC4wLjAsIEN1bHR1cmU9bmV1dHJhbCwgUHVibGljS2V5VG9rZW49Y2M3YjEzZmZjZDJkZGQ1MV1dAAAAAAs=", TargetFrameworkMoniker.netfx461) }); yield return (EqualityComparer.Default, new TypeSerializableValue[] { new("AAEAAAD/////AQAAAAAAAAAEAQAAANQBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuT2JqZWN0RXF1YWxpdHlDb21wYXJlcmAxW1tCaW5hcnlGb3JtYXRUZXN0cy5Gb3JtYXR0ZXJUZXN0cy5TQnl0ZUVudW0sIFN5c3RlbS5SZXNvdXJjZXMuRXh0ZW5zaW9ucy5CaW5hcnlGb3JtYXQuVGVzdHMsIFZlcnNpb249OS4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1jYzdiMTNmZmNkMmRkZDUxXV0AAAAACw==", TargetFrameworkMoniker.netcoreapp20), new("AAEAAAD/////AQAAAAAAAAAEAQAAANQBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuT2JqZWN0RXF1YWxpdHlDb21wYXJlcmAxW1tCaW5hcnlGb3JtYXRUZXN0cy5Gb3JtYXR0ZXJUZXN0cy5TQnl0ZUVudW0sIFN5c3RlbS5SZXNvdXJjZXMuRXh0ZW5zaW9ucy5CaW5hcnlGb3JtYXQuVGVzdHMsIFZlcnNpb249OS4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1jYzdiMTNmZmNkMmRkZDUxXV0AAAAACw==", TargetFrameworkMoniker.netfx461) }); yield return (EqualityComparer.Default, new TypeSerializableValue[] { new("AAEAAAD/////AQAAAAAAAAAEAQAAANQBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuT2JqZWN0RXF1YWxpdHlDb21wYXJlcmAxW1tCaW5hcnlGb3JtYXRUZXN0cy5Gb3JtYXR0ZXJUZXN0cy5JbnQxNkVudW0sIFN5c3RlbS5SZXNvdXJjZXMuRXh0ZW5zaW9ucy5CaW5hcnlGb3JtYXQuVGVzdHMsIFZlcnNpb249OS4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1jYzdiMTNmZmNkMmRkZDUxXV0AAAAACw==", TargetFrameworkMoniker.netcoreapp20), new("AAEAAAD/////AQAAAAAAAAAEAQAAANQBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuT2JqZWN0RXF1YWxpdHlDb21wYXJlcmAxW1tCaW5hcnlGb3JtYXRUZXN0cy5Gb3JtYXR0ZXJUZXN0cy5JbnQxNkVudW0sIFN5c3RlbS5SZXNvdXJjZXMuRXh0ZW5zaW9ucy5CaW5hcnlGb3JtYXQuVGVzdHMsIFZlcnNpb249OS4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1jYzdiMTNmZmNkMmRkZDUxXV0AAAAACw==", TargetFrameworkMoniker.netfx461) }); + yield return (EqualityComparer.Default, new TypeSerializableValue[] { new("AAEAAAD/////AQAAAAAAAAAEAQAAAJIBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuR2VuZXJpY0VxdWFsaXR5Q29tcGFyZXJgMVtbU3lzdGVtLlN0cmluZywgbXNjb3JsaWIsIFZlcnNpb249NC4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5XV0AAAAACw==", TargetFrameworkMoniker.netcoreapp20), new("AAEAAAD/////AQAAAAAAAAAEAQAAAJIBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuR2VuZXJpY0VxdWFsaXR5Q29tcGFyZXJgMVtbU3lzdGVtLlN0cmluZywgbXNjb3JsaWIsIFZlcnNpb249NC4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5XV0AAAAACw==", TargetFrameworkMoniker.netfx461) }); } /// @@ -667,7 +668,6 @@ public partial class BinaryFormatterTests // Nullable equality comparer roundtrips as opposed to other equality comparers which serialize to ObjectEqualityComparer yield return (EqualityComparer.Default, new TypeSerializableValue[] { new("AAEAAAD/////AQAAAAAAAAAEAQAAAJEBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuR2VuZXJpY0VxdWFsaXR5Q29tcGFyZXJgMVtbU3lzdGVtLkludDMyLCBtc2NvcmxpYiwgVmVyc2lvbj00LjAuMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODldXQAAAAAL", TargetFrameworkMoniker.netcoreapp20), new("AAEAAAD/////AQAAAAAAAAAEAQAAAJEBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuR2VuZXJpY0VxdWFsaXR5Q29tcGFyZXJgMVtbU3lzdGVtLkludDMyLCBtc2NvcmxpYiwgVmVyc2lvbj00LjAuMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODldXQAAAAAL", TargetFrameworkMoniker.netfx461) }); yield return (EqualityComparer.Default, new TypeSerializableValue[] { new("AAEAAAD/////AQAAAAAAAAAEAQAAAJEBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuR2VuZXJpY0VxdWFsaXR5Q29tcGFyZXJgMVtbU3lzdGVtLkludDY0LCBtc2NvcmxpYiwgVmVyc2lvbj00LjAuMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODldXQAAAAAL", TargetFrameworkMoniker.netcoreapp20), new("AAEAAAD/////AQAAAAAAAAAEAQAAAJEBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuR2VuZXJpY0VxdWFsaXR5Q29tcGFyZXJgMVtbU3lzdGVtLkludDY0LCBtc2NvcmxpYiwgVmVyc2lvbj00LjAuMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODldXQAAAAAL", TargetFrameworkMoniker.netfx461) }); - yield return (EqualityComparer.Default, new TypeSerializableValue[] { new("AAEAAAD/////AQAAAAAAAAAEAQAAAJIBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuR2VuZXJpY0VxdWFsaXR5Q29tcGFyZXJgMVtbU3lzdGVtLlN0cmluZywgbXNjb3JsaWIsIFZlcnNpb249NC4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5XV0AAAAACw==", TargetFrameworkMoniker.netcoreapp20), new("AAEAAAD/////AQAAAAAAAAAEAQAAAJIBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuR2VuZXJpY0VxdWFsaXR5Q29tcGFyZXJgMVtbU3lzdGVtLlN0cmluZywgbXNjb3JsaWIsIFZlcnNpb249NC4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5XV0AAAAACw==", TargetFrameworkMoniker.netfx461) }); yield return (EqualityComparer.Default, new TypeSerializableValue[] { new("AAEAAAD/////AQAAAAAAAAAEAQAAAJEBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuT2JqZWN0RXF1YWxpdHlDb21wYXJlcmAxW1tTeXN0ZW0uT2JqZWN0LCBtc2NvcmxpYiwgVmVyc2lvbj00LjAuMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODldXQAAAAAL", TargetFrameworkMoniker.netcoreapp20), new("AAEAAAD/////AQAAAAAAAAAEAQAAAJEBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuT2JqZWN0RXF1YWxpdHlDb21wYXJlcmAxW1tTeXN0ZW0uT2JqZWN0LCBtc2NvcmxpYiwgVmVyc2lvbj00LjAuMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODldXQAAAAAL", TargetFrameworkMoniker.netfx461) }); yield return (EqualityComparer.Default, new TypeSerializableValue[] { new("AAEAAAD/////AQAAAAAAAAAEAQAAAJIBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuTnVsbGFibGVFcXVhbGl0eUNvbXBhcmVyYDFbW1N5c3RlbS5JbnQzMiwgbXNjb3JsaWIsIFZlcnNpb249NC4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5XV0AAAAACw==", TargetFrameworkMoniker.netcoreapp20), new("AAEAAAD/////AQAAAAAAAAAEAQAAAJIBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuTnVsbGFibGVFcXVhbGl0eUNvbXBhcmVyYDFbW1N5c3RlbS5JbnQzMiwgbXNjb3JsaWIsIFZlcnNpb249NC4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5XV0AAAAACw==", TargetFrameworkMoniker.netfx461) }); yield return (EqualityComparer.Default, new TypeSerializableValue[] { new("AAEAAAD/////AQAAAAAAAAAEAQAAAJMBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuTnVsbGFibGVFcXVhbGl0eUNvbXBhcmVyYDFbW1N5c3RlbS5Eb3VibGUsIG1zY29ybGliLCBWZXJzaW9uPTQuMC4wLjAsIEN1bHR1cmU9bmV1dHJhbCwgUHVibGljS2V5VG9rZW49Yjc3YTVjNTYxOTM0ZTA4OV1dAAAAAAs=", TargetFrameworkMoniker.netcoreapp20), new("AAEAAAD/////AQAAAAAAAAAEAQAAAJMBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuTnVsbGFibGVFcXVhbGl0eUNvbXBhcmVyYDFbW1N5c3RlbS5Eb3VibGUsIG1zY29ybGliLCBWZXJzaW9uPTQuMC4wLjAsIEN1bHR1cmU9bmV1dHJhbCwgUHVibGljS2V5VG9rZW49Yjc3YTVjNTYxOTM0ZTA4OV1dAAAAAAs=", TargetFrameworkMoniker.netfx461) }); diff --git a/src/libraries/System.Resources.Extensions/tests/BinaryFormatTests/Legacy/BinaryFormatterTests.cs b/src/libraries/System.Resources.Extensions/tests/BinaryFormatTests/Legacy/BinaryFormatterTests.cs index 8f99d4437ba36b..fbd0544153a765 100644 --- a/src/libraries/System.Resources.Extensions/tests/BinaryFormatTests/Legacy/BinaryFormatterTests.cs +++ b/src/libraries/System.Resources.Extensions/tests/BinaryFormatTests/Legacy/BinaryFormatterTests.cs @@ -182,7 +182,7 @@ private static void ValidateEqualityComparer(object obj) { Type objType = obj.GetType(); Assert.True(objType.IsGenericType, $"Type `{objType.FullName}` must be generic."); - Assert.Equal("System.Collections.Generic.ObjectEqualityComparer`1", objType.GetGenericTypeDefinition().FullName); + Assert.True(objType.GetGenericTypeDefinition().FullName is "System.Collections.Generic.ObjectEqualityComparer`1" or "System.Collections.Generic.GenericEqualityComparer`1"); Assert.Equal(obj.GetType().GetGenericArguments()[0], objType.GetGenericArguments()[0]); } diff --git a/src/libraries/System.Resources.Extensions/tests/TestData.resources b/src/libraries/System.Resources.Extensions/tests/TestData.resources index 10efbf9fd4044c..0f45dd390ac64a 100644 Binary files a/src/libraries/System.Resources.Extensions/tests/TestData.resources and b/src/libraries/System.Resources.Extensions/tests/TestData.resources differ diff --git a/src/libraries/System.Runtime.Serialization.Formatters/tests/BinaryFormatterTestData.cs b/src/libraries/System.Runtime.Serialization.Formatters/tests/BinaryFormatterTestData.cs index d3e06e69b43926..c2d95437fded52 100644 --- a/src/libraries/System.Runtime.Serialization.Formatters/tests/BinaryFormatterTestData.cs +++ b/src/libraries/System.Runtime.Serialization.Formatters/tests/BinaryFormatterTestData.cs @@ -93,6 +93,7 @@ public static IEnumerable SerializableEqualityComparers_MemberData() yield return new object[] { EqualityComparer.Default, new TypeSerializableValue[] { new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAOEBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuT2JqZWN0RXF1YWxpdHlDb21wYXJlcmAxW1tTeXN0ZW0uUnVudGltZS5TZXJpYWxpemF0aW9uLkZvcm1hdHRlcnMuVGVzdHMuVUludDY0RW51bSwgU3lzdGVtLlJ1bnRpbWUuU2VyaWFsaXphdGlvbi5Gb3JtYXR0ZXJzLlRlc3RzLCBWZXJzaW9uPTQuMC4zLjAsIEN1bHR1cmU9bmV1dHJhbCwgUHVibGljS2V5VG9rZW49OWQ3N2NjN2FkMzliNjhlYl1dAAAAAAs=", TargetFrameworkMoniker.netcoreapp20), new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAOEBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuT2JqZWN0RXF1YWxpdHlDb21wYXJlcmAxW1tTeXN0ZW0uUnVudGltZS5TZXJpYWxpemF0aW9uLkZvcm1hdHRlcnMuVGVzdHMuVUludDY0RW51bSwgU3lzdGVtLlJ1bnRpbWUuU2VyaWFsaXphdGlvbi5Gb3JtYXR0ZXJzLlRlc3RzLCBWZXJzaW9uPTQuMC4zLjAsIEN1bHR1cmU9bmV1dHJhbCwgUHVibGljS2V5VG9rZW49OWQ3N2NjN2FkMzliNjhlYl1dAAAAAAs=", TargetFrameworkMoniker.netfx461) } }; yield return new object[] { EqualityComparer.Default, new TypeSerializableValue[] { new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAOABU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuT2JqZWN0RXF1YWxpdHlDb21wYXJlcmAxW1tTeXN0ZW0uUnVudGltZS5TZXJpYWxpemF0aW9uLkZvcm1hdHRlcnMuVGVzdHMuU0J5dGVFbnVtLCBTeXN0ZW0uUnVudGltZS5TZXJpYWxpemF0aW9uLkZvcm1hdHRlcnMuVGVzdHMsIFZlcnNpb249NC4wLjMuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj05ZDc3Y2M3YWQzOWI2OGViXV0AAAAACw==", TargetFrameworkMoniker.netcoreapp20), new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAOABU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuT2JqZWN0RXF1YWxpdHlDb21wYXJlcmAxW1tTeXN0ZW0uUnVudGltZS5TZXJpYWxpemF0aW9uLkZvcm1hdHRlcnMuVGVzdHMuU0J5dGVFbnVtLCBTeXN0ZW0uUnVudGltZS5TZXJpYWxpemF0aW9uLkZvcm1hdHRlcnMuVGVzdHMsIFZlcnNpb249NC4wLjMuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj05ZDc3Y2M3YWQzOWI2OGViXV0AAAAACw==", TargetFrameworkMoniker.netfx461) } }; yield return new object[] { EqualityComparer.Default, new TypeSerializableValue[] { new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAOABU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuT2JqZWN0RXF1YWxpdHlDb21wYXJlcmAxW1tTeXN0ZW0uUnVudGltZS5TZXJpYWxpemF0aW9uLkZvcm1hdHRlcnMuVGVzdHMuSW50MTZFbnVtLCBTeXN0ZW0uUnVudGltZS5TZXJpYWxpemF0aW9uLkZvcm1hdHRlcnMuVGVzdHMsIFZlcnNpb249NC4wLjMuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj05ZDc3Y2M3YWQzOWI2OGViXV0AAAAACw==", TargetFrameworkMoniker.netcoreapp20), new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAOABU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuT2JqZWN0RXF1YWxpdHlDb21wYXJlcmAxW1tTeXN0ZW0uUnVudGltZS5TZXJpYWxpemF0aW9uLkZvcm1hdHRlcnMuVGVzdHMuSW50MTZFbnVtLCBTeXN0ZW0uUnVudGltZS5TZXJpYWxpemF0aW9uLkZvcm1hdHRlcnMuVGVzdHMsIFZlcnNpb249NC4wLjMuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj05ZDc3Y2M3YWQzOWI2OGViXV0AAAAACw==", TargetFrameworkMoniker.netfx461) } }; + yield return new object[] { EqualityComparer.Default, new TypeSerializableValue[] { new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAJIBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuR2VuZXJpY0VxdWFsaXR5Q29tcGFyZXJgMVtbU3lzdGVtLlN0cmluZywgbXNjb3JsaWIsIFZlcnNpb249NC4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5XV0AAAAACw==", TargetFrameworkMoniker.netcoreapp20), new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAJIBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuR2VuZXJpY0VxdWFsaXR5Q29tcGFyZXJgMVtbU3lzdGVtLlN0cmluZywgbXNjb3JsaWIsIFZlcnNpb249NC4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5XV0AAAAACw==", TargetFrameworkMoniker.netfx461) } }; } /// @@ -820,7 +821,6 @@ public static IEnumerable SerializableObjects() // Nullable equality comparer roundtrips as opposed to other equality comparers which serialize to ObjectEqualityComparer yield return new object[] { EqualityComparer.Default, new TypeSerializableValue[] { new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAJEBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuR2VuZXJpY0VxdWFsaXR5Q29tcGFyZXJgMVtbU3lzdGVtLkludDMyLCBtc2NvcmxpYiwgVmVyc2lvbj00LjAuMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODldXQAAAAAL", TargetFrameworkMoniker.netcoreapp20), new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAJEBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuR2VuZXJpY0VxdWFsaXR5Q29tcGFyZXJgMVtbU3lzdGVtLkludDMyLCBtc2NvcmxpYiwgVmVyc2lvbj00LjAuMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODldXQAAAAAL", TargetFrameworkMoniker.netfx461) } }; yield return new object[] { EqualityComparer.Default, new TypeSerializableValue[] { new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAJEBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuR2VuZXJpY0VxdWFsaXR5Q29tcGFyZXJgMVtbU3lzdGVtLkludDY0LCBtc2NvcmxpYiwgVmVyc2lvbj00LjAuMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODldXQAAAAAL", TargetFrameworkMoniker.netcoreapp20), new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAJEBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuR2VuZXJpY0VxdWFsaXR5Q29tcGFyZXJgMVtbU3lzdGVtLkludDY0LCBtc2NvcmxpYiwgVmVyc2lvbj00LjAuMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODldXQAAAAAL", TargetFrameworkMoniker.netfx461) } }; - yield return new object[] { EqualityComparer.Default, new TypeSerializableValue[] { new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAJIBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuR2VuZXJpY0VxdWFsaXR5Q29tcGFyZXJgMVtbU3lzdGVtLlN0cmluZywgbXNjb3JsaWIsIFZlcnNpb249NC4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5XV0AAAAACw==", TargetFrameworkMoniker.netcoreapp20), new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAJIBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuR2VuZXJpY0VxdWFsaXR5Q29tcGFyZXJgMVtbU3lzdGVtLlN0cmluZywgbXNjb3JsaWIsIFZlcnNpb249NC4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5XV0AAAAACw==", TargetFrameworkMoniker.netfx461) } }; yield return new object[] { EqualityComparer.Default, new TypeSerializableValue[] { new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAJEBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuT2JqZWN0RXF1YWxpdHlDb21wYXJlcmAxW1tTeXN0ZW0uT2JqZWN0LCBtc2NvcmxpYiwgVmVyc2lvbj00LjAuMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODldXQAAAAAL", TargetFrameworkMoniker.netcoreapp20), new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAJEBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuT2JqZWN0RXF1YWxpdHlDb21wYXJlcmAxW1tTeXN0ZW0uT2JqZWN0LCBtc2NvcmxpYiwgVmVyc2lvbj00LjAuMC4wLCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODldXQAAAAAL", TargetFrameworkMoniker.netfx461) } }; yield return new object[] { EqualityComparer.Default, new TypeSerializableValue[] { new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAJIBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuTnVsbGFibGVFcXVhbGl0eUNvbXBhcmVyYDFbW1N5c3RlbS5JbnQzMiwgbXNjb3JsaWIsIFZlcnNpb249NC4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5XV0AAAAACw==", TargetFrameworkMoniker.netcoreapp20), new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAJIBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuTnVsbGFibGVFcXVhbGl0eUNvbXBhcmVyYDFbW1N5c3RlbS5JbnQzMiwgbXNjb3JsaWIsIFZlcnNpb249NC4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5XV0AAAAACw==", TargetFrameworkMoniker.netfx461) } }; yield return new object[] { EqualityComparer.Default, new TypeSerializableValue[] { new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAJMBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuTnVsbGFibGVFcXVhbGl0eUNvbXBhcmVyYDFbW1N5c3RlbS5Eb3VibGUsIG1zY29ybGliLCBWZXJzaW9uPTQuMC4wLjAsIEN1bHR1cmU9bmV1dHJhbCwgUHVibGljS2V5VG9rZW49Yjc3YTVjNTYxOTM0ZTA4OV1dAAAAAAs=", TargetFrameworkMoniker.netcoreapp20), new TypeSerializableValue("AAEAAAD/////AQAAAAAAAAAEAQAAAJMBU3lzdGVtLkNvbGxlY3Rpb25zLkdlbmVyaWMuTnVsbGFibGVFcXVhbGl0eUNvbXBhcmVyYDFbW1N5c3RlbS5Eb3VibGUsIG1zY29ybGliLCBWZXJzaW9uPTQuMC4wLjAsIEN1bHR1cmU9bmV1dHJhbCwgUHVibGljS2V5VG9rZW49Yjc3YTVjNTYxOTM0ZTA4OV1dAAAAAAs=", TargetFrameworkMoniker.netfx461) } }; diff --git a/src/libraries/System.Runtime.Serialization.Formatters/tests/BinaryFormatterTests.cs b/src/libraries/System.Runtime.Serialization.Formatters/tests/BinaryFormatterTests.cs index 82e7f045e384df..4587f3e47b1faf 100644 --- a/src/libraries/System.Runtime.Serialization.Formatters/tests/BinaryFormatterTests.cs +++ b/src/libraries/System.Runtime.Serialization.Formatters/tests/BinaryFormatterTests.cs @@ -540,7 +540,7 @@ private static void ValidateEqualityComparer(object obj) { Type objType = obj.GetType(); Assert.True(objType.IsGenericType, $"Type `{objType.FullName}` must be generic."); - Assert.Equal("System.Collections.Generic.ObjectEqualityComparer`1", objType.GetGenericTypeDefinition().FullName); + Assert.True(objType.GetGenericTypeDefinition().FullName is "System.Collections.Generic.ObjectEqualityComparer`1" or "System.Collections.Generic.GenericEqualityComparer`1"); Assert.Equal(obj.GetType().GetGenericArguments()[0], objType.GetGenericArguments()[0]); }