Test to ensure child scopes have independent event delegate

autofac · Oct 31, 2018 · 3266995 · 3266995
1 parent 997153d
commit 3266995
Showing 1 changed file with 29 additions and 0 deletions.
diff --git a/test/Autofac.Test/ModuleTests.cs b/test/Autofac.Test/ModuleTests.cs
@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Reflection;
+using Autofac.Builder;
 using Autofac.Core;
 using Autofac.Core.Registration;
 using Xunit;
@@ -95,6 +96,34 @@ public void AttachesToRegistrationsInNestedScope()
             }
         }
 
+        [Fact]
+        public void ModifiedScopesHaveTheirOwnDelegate()
+        {
+            var attachingModule = new AttachingModule();
+            Assert.Equal(0, attachingModule.Registrations.Count);
+
+            var builder = new ContainerBuilder();
+            builder.RegisterModule(attachingModule);
+
+            using (var container = builder.Build())
+            {
+                Assert.NotNull(container.ComponentRegistry.Properties[MetadataKeys.RegisteredPropertyKey]);
+                using (var outerScope = container.BeginLifetimeScope(c => c.RegisterType(typeof(int))))
+                {
+                    Assert.Equal(
+                        container.ComponentRegistry.Properties[MetadataKeys.RegisteredPropertyKey],
+                        outerScope.ComponentRegistry.Properties[MetadataKeys.RegisteredPropertyKey]);
+                    outerScope.ComponentRegistry.Registered += (s, e) => { };
+                    using (var innerScope = outerScope.BeginLifetimeScope())
+                    {
+                        Assert.NotEqual(
+                            container.ComponentRegistry.Properties[MetadataKeys.RegisteredPropertyKey],
+                            innerScope.ComponentRegistry.Properties[MetadataKeys.RegisteredPropertyKey]);
+                    }
+                }
+            }
+        }
+
         internal class ModuleExposingThisAssembly : Module
         {
             public Assembly ModuleThisAssembly