public void ComponentUnregistersProperly()
{
IKernel kernel = new DefaultKernel();
kernel.AddSubSystem(SubSystemConstants.NamingKey,
new KeySearchNamingSubSystem(delegate(string key) { return key.StartsWith("2"); }));
kernel.AddComponent("1.common", typeof(ICommon), typeof(CommonImpl1));
kernel.AddComponent("2.common", typeof(ICommon), typeof(CommonImpl2));
ICommon common = kernel[typeof(ICommon)] as ICommon;
Assert.IsNotNull(common);
Assert.AreEqual(typeof(CommonImpl2), common.GetType());
kernel.RemoveComponent("2.common");
common = kernel[typeof(ICommon)] as ICommon;
Assert.IsNotNull(common);
Assert.AreEqual(typeof(CommonImpl1), common.GetType());
kernel.RemoveComponent("1.common");
Assert.AreEqual(0, kernel.GetHandlers(typeof(ICommon)).Length);
}