Switch to explicit implementation for redeclared events

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Castle Core Changelog
 
+## Unreleased
+
+Bugfixes:
+- DynamicProxy emits invalid metadata for redeclared event (@stakx, #590)
+
 ## 5.0.0 (2022-05-11)
 
 Enhancements:

src/Castle.Core.Tests/DynamicProxy.Tests/ExplicitlyImplementedEventTestCase.cs

@@ -0,0 +1,40 @@
+// Copyright 2004-2022 Castle Project - http://www.castleproject.org/
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+namespace Castle.DynamicProxy.Tests
+{
+	using System;
+
+	using NUnit.Framework;
+
+	[TestFixture]
+	public class ExplicitlyImplementedEventTestCase : BasePEVerifyTestCase
+	{
+		[Test]
+		public void Can_proxy_type_having_two_identically_named_events_with_different_signatures()
+		{
+			_ = generator.CreateInterfaceProxyWithoutTarget<IDerived>();
+		}
+
+		public interface IBase
+		{
+			event Action Event;
+		}
+
+		public interface IDerived : IBase
+		{
+			new event Action<bool> Event;
+		}
+	}
+}

src/Castle.Core.Tests/DynamicProxy.Tests/ExplicitlyImplementedPropertyTestCase.cs

@@ -0,0 +1,40 @@
+// Copyright 2004-2022 Castle Project - http://www.castleproject.org/
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+namespace Castle.DynamicProxy.Tests
+{
+	using System;
+
+	using NUnit.Framework;
+
+	[TestFixture]
+	public class ExplicitlyImplementedPropertyTestCase : BasePEVerifyTestCase
+	{
+		[Test]
+		public void Can_proxy_type_having_two_identically_named_properties_with_different_signatures()
+		{
+			_ = generator.CreateInterfaceProxyWithoutTarget<IDerived>();
+		}
+
+		public interface IBase
+		{
+			Action Property { get; }
+		}
+
+		public interface IDerived : IBase
+		{
+			new Action<bool> Property { get; }
+		}
+	}
+}

src/Castle.Core/DynamicProxy/Generators/MetaEvent.cs

@@ -128,11 +128,6 @@ public bool Equals(MetaEvent other)
 				return true;
 			}
 
-			if (!Type.Equals(other.Type))
-			{
-				return false;
-			}
-
 			if (!StringComparer.OrdinalIgnoreCase.Equals(Name, other.Name))
 			{
 				return false;

src/Castle.Core/DynamicProxy/Generators/MetaProperty.cs

@@ -159,11 +159,6 @@ public bool Equals(MetaProperty other)
 				return true;
 			}
 
-			if (!Type.Equals(other.Type))
-			{
-				return false;
-			}
-
 			if (!StringComparer.OrdinalIgnoreCase.Equals(Name, other.Name))
 			{
 				return false;