Merge pull request #114 from Minx-SigEp/master

BUG: Child container unable to resolve open generic.

Author: niemyjski

src/TinyIoC.Tests/TinyIoCTests.cs

@@ -3337,6 +3337,22 @@ public void Resolve_RegisteredOpenGeneric_ReturnsInstance()
         }
 #endif
 
+
+#if RESOLVE_OPEN_GENERICS
+        [TestMethod]
+        public void Resolve_RegisteredOpenGenericInParent_CanBeResolvedByChild()
+        {
+            var container = UtilityMethods.GetContainer();
+            container.Register(typeof(IThing<>), typeof(DefaultThing<>));
+
+            var child = container.GetChildContainer();
+
+            var result = child.Resolve<IThing<object>>();
+             
+            Assert.IsInstanceOfType(result, typeof(DefaultThing<object>));
+        }
+#endif
+
         #region Unregister
 
         private readonly ResolveOptions options = ResolveOptions.FailUnregisteredAndNameNotFound;

src/TinyIoC/TinyIoC.cs

@@ -3715,6 +3715,20 @@ private ObjectFactoryBase GetParentObjectFactory(TypeRegistration registration)
                 return null;
 
             ObjectFactoryBase factory;
+
+            if (registration.Type.IsGenericType())
+            {
+                var openTypeRegistration = new TypeRegistration(registration.Type.GetGenericTypeDefinition(),
+                                                                registration.Name);
+
+                if (_Parent._RegisteredTypes.TryGetValue(openTypeRegistration, out factory))
+                {
+                    return factory.GetFactoryForChildContainer(openTypeRegistration.Type, _Parent, this);
+                }
+
+                return _Parent.GetParentObjectFactory(registration);
+            }
+
             if (_Parent._RegisteredTypes.TryGetValue(registration, out factory))
             {
                 return factory.GetFactoryForChildContainer(registration.Type, _Parent, this);