public void Test_LoadingCodeIntoMultipleAppDomains() { // test current AppDomain string pathToproxyDll = DI.config.ExecutingAssembly; // Path.Combine(AppDomain.CurrentDomain.BaseDirectory, assemblyName + ".exe"); string testAppDomainDirectory = copyO2ProxyToTempFolder(pathToproxyDll, assemblyName); object resultInCurrentAppDomain = LoadTypes.loadTypeAndExecuteMethodInAppDomain(AppDomain.CurrentDomain, assemblyName, typeToCreate, methodToInvoke, methodParams); Assert.IsNotNull(resultInCurrentAppDomain, "result"); DI.log.debug("{0} = {1}", "resultIncurrentAppDomain", resultInCurrentAppDomain); // test creating new AppDomain var newAppDomain = new O2AppDomainFactory("newAppDomain", testAppDomainDirectory); Assert.IsNotNull(newAppDomain, "newAppDomain"); newAppDomain.load(assemblyName); object resultInNewAppDomain = LoadTypes.loadTypeAndExecuteMethodInAppDomain(newAppDomain.appDomain, assemblyName, typeToCreate, methodToInvoke, methodParams); Assert.IsNotNull(resultInNewAppDomain, "result"); DI.log.debug("{0} = {1}", "resultInNewAppDomain", resultInNewAppDomain); Assert.That(resultInCurrentAppDomain != resultInNewAppDomain, "resultIncurrentAppDomain == resultInNewAppDomain"); // test creating new AppDomain just using the O2AppDomainFactory var appDomainFactory = new O2AppDomainFactory("appDomainFactory", testAppDomainDirectory); appDomainFactory.load(assemblyName); List <string> loadedAssemblies = appDomainFactory.getAssemblies(false); Assert.That(loadedAssemblies.Count > 0 && loadedAssemblies.Contains(assemblyName), "Loaded assembly was not there"); object proxyObject = appDomainFactory.getProxyObject((typeToCreate)); Assert.IsNotNull(proxyObject, "proxyObject was null"); object resultInAppDomainFactory = appDomainFactory.invoke(proxyObject, methodToInvoke, methodParams); DI.log.debug("{0} = {1}", "resultInAppDomainFactory", resultInAppDomainFactory); Assert.That( (resultInCurrentAppDomain != resultInAppDomainFactory) && (resultInNewAppDomain != resultInAppDomainFactory), "All results should be different"); // test creating objects using the format {type} {assembly} var appDomainFactory2 = new O2AppDomainFactory("appDomainFactory2", testAppDomainDirectory); appDomainFactory.load(assemblyName); object proxyObject2 = appDomainFactory2.getProxyObject(typeToCreate + " " + assemblyName); Assert.IsNotNull(proxyObject2, "proxyObject2 was null"); DI.log.debug("{0} = {1}", "appDomainFactory2", appDomainFactory.invoke(proxyObject2, methodToInvoke)); // test if we can get a MethodInfo using using the format {method} {type} {assembly} var appDomainFactory3 = new O2AppDomainFactory("appDomainFactory3", testAppDomainDirectory); appDomainFactory.load(assemblyName); var methodInfoFromappDomainFactory3 = (MethodInfo)appDomainFactory3.getProxyMethod(methodToInvoke + " " + typeToCreate + " " + assemblyName); Assert.That(methodInfoFromappDomainFactory3 != null, "methodInfoFromappDomainFactory3 was null"); DI.log.debug("{0} MethodInfo = {1}", "from appDomainFactory3", methodInfoFromappDomainFactory3.ToString()); // we can't invoke this guy because we don't have the proxy // test if we can invoke a MethodInfo using using the format {method} {type} {assembly} var appDomainFactory4 = new O2AppDomainFactory("appDomainFactory4", testAppDomainDirectory); appDomainFactory.load(assemblyName); object invocationResult4 = appDomainFactory4.invokeMethod(methodToInvoke + " " + typeToCreate + " " + assemblyName); Assert.That(invocationResult4 != null, "invocationResult4 was null"); DI.log.debug("[{0}] {1} {2} {3} = {4}", "from appDomainFactory4", assemblyName, typeToCreate, methodToInvoke, invocationResult4); // we can't invoke this guy because we don't have the proxy }