Fix dispose for scoped container.

Author: byme8

src/ZeroIoC.Core/ZeroIoCContainer.cs

@@ -7,7 +7,9 @@ namespace ZeroIoC
     public abstract class ZeroIoCContainer : IZeroIoCResolver
     {
         protected readonly Dictionary<Type, IInstanceResolver> Resolvers = new Dictionary<Type, IInstanceResolver>();
-        protected readonly Dictionary<Type, IInstanceResolver> ScopedResolvers = new Dictionary<Type, IInstanceResolver>();
+
+        protected readonly Dictionary<Type, IInstanceResolver> ScopedResolvers =
+            new Dictionary<Type, IInstanceResolver>();
 
         protected readonly bool Scoped;
 
@@ -34,7 +36,7 @@ public virtual IZeroIoCResolver Clone()
         }
 
         protected abstract void Bootstrap(IZeroIoCContainerBootstrapper bootstrapper);
-        
+
         public object Resolve(Type type)
         {
             if (Resolvers.TryGetValue(type, out var entry))
@@ -58,7 +60,7 @@ public object Resolve(Type type)
             ExceptionHelper.ServiceIsNotRegistered(type.FullName);
             return null;
         }
-        
+
         public object Resolve(Type type, IOverrides overrides)
         {
             if (Resolvers.TryGetValue(type, out var entry))
@@ -83,7 +85,8 @@ public object Resolve(Type type, IOverrides overrides)
             return null;
         }
 
-        public void AddDelegate(Func<IZeroIoCResolver, object> resolver, Type interfaceType, Reuse reuse = Reuse.Transient)
+        public void AddDelegate(Func<IZeroIoCResolver, object> resolver, Type interfaceType,
+            Reuse reuse = Reuse.Transient)
         {
             switch (reuse)
             {
@@ -100,13 +103,14 @@ public void AddDelegate(Func<IZeroIoCResolver, object> resolver, Type interfaceT
                     throw new ArgumentOutOfRangeException(nameof(reuse), reuse, null);
             }
         }
-        
-        public void ReplaceDelegate(Func<IZeroIoCResolver, object> resolver, Type interfaceType, Reuse reuse = Reuse.Transient)
+
+        public void ReplaceDelegate(Func<IZeroIoCResolver, object> resolver, Type interfaceType,
+            Reuse reuse = Reuse.Transient)
         {
             switch (reuse)
             {
                 case Reuse.Scoped:
-                    ScopedResolvers[interfaceType] =new SingletonResolver(resolver);
+                    ScopedResolvers[interfaceType] = new SingletonResolver(resolver);
                     break;
                 case Reuse.Singleton:
                     Resolvers[interfaceType] = new SingletonResolver(resolver);
@@ -123,7 +127,7 @@ public void AddInstance<TValue>(TValue value)
         {
             Resolvers.Add(typeof(TValue), new SingletonResolver(o => value));
         }
-        
+
         public void ReplaceInstance<TValue>(TValue value)
         {
             Resolvers[typeof(TValue)] = new SingletonResolver(o => value);
@@ -144,9 +148,12 @@ public void Merge(ZeroIoCContainer container)
 
         public void Dispose()
         {
-            foreach (var resolver in Resolvers.Values)
+            if (!Scoped)
             {
-                resolver.Dispose();
+                foreach (var resolver in Resolvers.Values)
+                {
+                    resolver.Dispose();
+                }
             }
 
             foreach (var resolver in ScopedResolvers.Values)

src/ZeroIoC.Tests/ScopedContainerTest.cs

@@ -93,12 +93,17 @@ public async Task ServicesWithinTheScopeIsDisposed()
     {
         var project = await TestProject.Project.ApplyToProgram(@"
 
-        public interface IService : IDisposable
+        public class SingletonService : IDisposable
         {
-            bool Disposed { get; set; }
+            public bool Disposed { get; set; }
+
+            public void Dispose()
+            {
+                Disposed = true;
+            }
         }
 
-        public class Service : IService
+        public class Service : IDisposable
         {
             public bool Disposed { get; set; }
 
@@ -112,7 +117,8 @@ public partial class TestContainer : ZeroIoCContainer
         {
             protected override void Bootstrap(IZeroIoCContainerBootstrapper bootstrapper)
             {
-                bootstrapper.AddScoped<IService, Service>();
+                bootstrapper.AddScoped<Service>();
+                bootstrapper.AddSingleton<SingletonService>();
             }
         }
 ");
@@ -121,20 +127,23 @@ protected override void Bootstrap(IZeroIoCContainerBootstrapper bootstrapper)
 
         var assembly = await newProject.CompileToRealAssembly();
         var containerType = assembly.GetType("TestProject.TestContainer");
-        var serviceType = assembly.GetType("TestProject.IService");
+        var serviceType = assembly.GetType("TestProject.Service");
+        var singletonServiceType = assembly.GetType("TestProject.SingletonService");
 
         var container = (IZeroIoCResolver)Activator.CreateInstance(containerType);
 
         object service = null;
+        object singletonService = null;
         using (var scoped = container.CreateScope())
         {
             service = scoped.Resolve(serviceType);
-            var initialValue = (bool)service.ReflectionGetValue("Disposed");
+            Assert.False((bool)service.ReflectionGetValue("Disposed"));
 
-            Assert.False(initialValue);
+            singletonService = scoped.Resolve(singletonServiceType);
+            Assert.False((bool)service.ReflectionGetValue("Disposed"));
         }
 
-        var value = (bool)service.ReflectionGetValue("Disposed");
-        Assert.True(value);
+        Assert.True((bool)service.ReflectionGetValue("Disposed"));
+        Assert.False((bool)singletonService.ReflectionGetValue("Disposed"));
     }
 }