Diff: mbed-client/test/mbedclient/utest/m2minterfaceimpl/test_m2minterfaceimpl.cpp

Revision:

0:a7a43371b306

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-client/test/mbedclient/utest/m2minterfaceimpl/test_m2minterfaceimpl.cpp	Sun May 14 18:40:18 2017 +0000
@@ -0,0 +1,767 @@
+/*
+ * Copyright (c) 2015 ARM Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "CppUTest/TestHarness.h"
+#include "test_m2minterfaceimpl.h"
+#include "m2minterfaceobserver.h"
+#include "m2mconnectionhandler_stub.h"
+#include "m2msecurity_stub.h"
+#include "m2mnsdlinterface_stub.h"
+#include "m2mobject_stub.h"
+#include "m2mobjectinstance_stub.h"
+#include "m2mbase.h"
+
+entropy_cb ent_cb;
+
+class TestObserver : public M2MInterfaceObserver {
+
+public:
+    TestObserver() : val_updated(false), error_occured(false),
+            registered(false), unregistered(false), bootstrapped(false)
+    {
+    }
+
+    virtual ~TestObserver(){}
+    void bootstrap_done(M2MSecurity */*server_object*/){
+        bootstrapped = true;
+    }
+
+    void object_registered(M2MSecurity */*security_object*/,
+                           const M2MServer &/*server_object*/) {
+        registered = true;
+    }
+
+    void object_unregistered(M2MSecurity */*server_object*/){
+        unregistered = true;
+    }
+
+    void registration_updated(M2MSecurity */*security_object*/,
+                              const M2MServer &/*server_object*/){
+        registered = true;
+    }
+
+    void error(M2MInterface::Error /*error*/){
+        error_occured = true;
+    }
+
+    void value_updated(M2MBase *, M2MBase::BaseType ){
+        val_updated = true;
+    }
+
+    bool val_updated;
+    bool error_occured;
+    bool registered;
+    bool unregistered;
+    bool bootstrapped;
+};
+
+class M2MBaseTest : public M2MBase
+{
+public:
+    M2MBaseTest() : M2MBase("a", M2MBase::Static, "type","a",false){}
+};
+
+Test_M2MInterfaceImpl::Test_M2MInterfaceImpl()
+{
+    observer = new TestObserver();
+    impl = new M2MInterfaceImpl(*observer,
+                                "endpoint_name",
+                                "endpoint_type",
+                                120,
+                                8000,
+                                "domain");
+}
+
+Test_M2MInterfaceImpl:: ~Test_M2MInterfaceImpl()
+{
+    delete observer;
+    delete impl;
+}
+
+void Test_M2MInterfaceImpl::test_constructor()
+{
+    TestObserver obs;
+
+    M2MInterfaceImpl* obj = new M2MInterfaceImpl(obs,
+                                            "endpoint_name",
+                                            "endpoint_type",
+                                            120,
+                                            8000,
+                                            "domain",
+                                            M2MInterface::TCP);
+    CHECK(obj->_current_state == 0);
+    //TODO: Check rest of variables
+    delete obj;
+    obj = new M2MInterfaceImpl(obs,
+                                            "endpoint_name",
+                                            "endpoint_type",
+                                            120,
+                                            8000,
+                                            "domain",
+                                            M2MInterface::TCP_QUEUE);
+    delete obj;
+}
+
+void Test_M2MInterfaceImpl::test_bootstrap()
+{
+    M2MSecurity *sec = new M2MSecurity(M2MSecurity::Bootstrap);
+    m2msecurity_stub::int_value = 2;
+    String *val = new String("coaps://[2001:12:12:23::23:FF]:5685");
+
+    m2msecurity_stub::string_value = val;
+    m2mnsdlinterface_stub::bool_value = true;
+    m2mconnectionhandler_stub::bool_value = true;
+
+
+    impl->bootstrap(NULL);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+
+    impl->bootstrap(sec);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_BOOTSTRAP);
+
+    delete val;
+
+    val = new String("coaps://[10.45.3.83:5685");
+
+    impl->_current_state = M2MInterfaceImpl::STATE_IDLE;
+
+    m2msecurity_stub::string_value = val;
+    m2mnsdlinterface_stub::bool_value = true;
+    m2mconnectionhandler_stub::bool_value = true;
+    impl->_security = NULL;
+    impl->bootstrap(sec);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+
+    delete val;
+
+    val = new String("coaps://10.45.3.83]:5685");
+
+    impl->_current_state = M2MInterfaceImpl::STATE_IDLE;
+
+    m2msecurity_stub::string_value = val;
+    m2mnsdlinterface_stub::bool_value = true;
+    m2mconnectionhandler_stub::bool_value = true;
+    impl->_security = NULL;
+    impl->bootstrap(sec);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+
+    delete val;
+
+    val = new String("coap://10.45.3.83:5685");
+
+    impl->_current_state = M2MInterfaceImpl::STATE_IDLE;
+    impl->_security = NULL;
+    m2msecurity_stub::string_value = val;
+    m2mnsdlinterface_stub::bool_value = true;
+    m2mconnectionhandler_stub::bool_value = true;
+    impl->bootstrap(sec);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_BOOTSTRAP);
+
+    delete val;
+
+    val = new String("coap://10.45.3.83:5685");
+    impl->_current_state = M2MInterfaceImpl::STATE_IDLE;
+    m2msecurity_stub::string_value = val;
+    m2mnsdlinterface_stub::bool_value = true;
+    m2mconnectionhandler_stub::bool_value = true;
+    impl->bootstrap(sec);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_BOOTSTRAP);
+
+    delete val;
+
+    val = new String("coap://10.45.3.83:5685");
+    m2msecurity_stub::string_value = val;
+    m2mconnectionhandler_stub::bool_value = true;
+
+    impl->bootstrap(sec);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_BOOTSTRAP);
+
+    impl->_current_state =  M2MInterfaceImpl::STATE_IDLE;
+    m2mconnectionhandler_stub::bool_value = false;
+
+    // Ignore the event.
+    impl->_current_state =  M2MInterfaceImpl::STATE_WAITING;
+    impl->bootstrap(sec);
+
+    m2mconnectionhandler_stub::bool_value = true;
+
+    impl->bootstrap(sec);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_WAITING);
+    CHECK(observer->error_occured == true);
+
+    delete val;
+    val = NULL;
+
+    delete sec;
+}
+
+void Test_M2MInterfaceImpl::test_cancel_bootstrap()
+{
+    // Check for coverage, currently no implementation
+    impl->cancel_bootstrap();
+}
+
+void Test_M2MInterfaceImpl::test_register_object()
+{
+    M2MSecurity *sec = new M2MSecurity(M2MSecurity::M2MServer);
+    m2msecurity_stub::int_value = 2;
+
+    M2MObject *object = new M2MObject("test", "test");
+    M2MObjectInstance *ins = object->create_object_instance();
+    ins->create_dynamic_resource("test","type",M2MResourceInstance::STRING,false,false);
+
+    M2MObjectList list;
+    list.push_back(object);
+
+    String *val = new String("coaps://[2001:12:12:23::23:FF]:5685");
+    m2msecurity_stub::string_value = val;
+    m2mnsdlinterface_stub::bool_value = true;
+    m2mconnectionhandler_stub::bool_value = true;
+
+    impl->register_object(NULL,list);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+
+    impl->register_object(sec,list);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_REGISTER);
+
+    impl->_current_state = M2MInterfaceImpl::STATE_IDLE;
+    impl->register_object(sec,list);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_REGISTER);
+
+    delete val;
+    val = new String("coaps://[10.45.3.83:5685");
+    impl->_current_state = M2MInterfaceImpl::STATE_IDLE;
+    m2msecurity_stub::string_value = val;
+    m2mnsdlinterface_stub::bool_value = true;
+    m2mconnectionhandler_stub::bool_value = true;
+
+    delete impl->_security;
+    impl->_security = NULL;
+    sec = new M2MSecurity(M2MSecurity::M2MServer);
+    impl->register_object(sec,list);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+    CHECK(observer->error_occured == true);
+    observer->error_occured = false;
+    delete val;
+    val = new String("coaps://10.45.3.83]:5685");
+
+    impl->_current_state = M2MInterfaceImpl::STATE_IDLE;
+
+    m2msecurity_stub::string_value = val;
+    m2mnsdlinterface_stub::bool_value = true;
+    m2mconnectionhandler_stub::bool_value = true;
+
+    delete impl->_security;
+    impl->_security = NULL;
+    sec = new M2MSecurity(M2MSecurity::M2MServer);
+    impl->register_object(sec,list);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+    CHECK(observer->error_occured == true);
+
+    observer->error_occured = false;
+    delete val;
+    val = new String("coaps://10.45.3.83:5685");
+    delete impl->_security;
+    impl->_security = NULL;
+    sec = new M2MSecurity(M2MSecurity::M2MServer);
+
+    impl->_current_state = M2MInterfaceImpl::STATE_IDLE;
+
+    m2msecurity_stub::string_value = val;
+    m2mnsdlinterface_stub::bool_value = true;
+    m2mconnectionhandler_stub::bool_value = true;
+
+    impl->register_object(sec,list);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_REGISTER);
+
+    observer->error_occured = false;
+    delete val;
+    val = new String("coap://10.45.3.83:5685");
+    delete impl->_security;
+    impl->_security = NULL;
+    sec = new M2MSecurity(M2MSecurity::M2MServer);
+
+    impl->_current_state = M2MInterfaceImpl::STATE_IDLE;
+
+    m2msecurity_stub::string_value = val;
+    m2mnsdlinterface_stub::bool_value = true;
+    m2mconnectionhandler_stub::bool_value = true;
+
+    impl->register_object(sec,list);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_REGISTER);
+
+    delete val;
+    val = new String("coap://10.45.3.83:5685");
+    impl->register_object(sec,list);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_REGISTER);
+
+
+    impl->_current_state =  M2MInterfaceImpl::STATE_IDLE;
+    m2mconnectionhandler_stub::bool_value = true;
+    m2mnsdlinterface_stub::bool_value = false;
+
+    delete impl->_security;
+    impl->_security = NULL;
+    sec = new M2MSecurity(M2MSecurity::M2MServer);
+    impl->register_object(sec,list);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+    CHECK(observer->error_occured == true);
+
+    impl->_current_state =  M2MInterfaceImpl::STATE_BOOTSTRAP;
+    m2mconnectionhandler_stub::bool_value = true;
+    m2mnsdlinterface_stub::bool_value = true;
+
+    impl->register_object(sec,list);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_BOOTSTRAP);
+    CHECK(observer->error_occured == true);
+
+    impl->_current_state =  M2MInterfaceImpl::STATE_BOOTSTRAP;
+    m2mconnectionhandler_stub::bool_value = true;
+    m2mnsdlinterface_stub::bool_value = true;
+
+    impl->register_object(sec,list);
+
+    CHECK(observer->error_occured == true);
+
+
+    delete val;
+    val = NULL;
+
+    list.clear();
+    delete object;
+    delete sec;
+}
+
+void Test_M2MInterfaceImpl::test_update_registration()
+{
+    impl->_current_state = M2MInterfaceImpl::STATE_REGISTERED;
+    m2mnsdlinterface_stub::bool_value = true;
+    impl->update_registration(NULL,120);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_UPDATE_REGISTRATION);
+
+    impl->_current_state = M2MInterfaceImpl::STATE_REGISTERED;
+    m2mnsdlinterface_stub::bool_value = false;
+    impl->update_registration(NULL,120);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_UPDATE_REGISTRATION);
+
+    impl->_current_state = M2MInterfaceImpl::STATE_IDLE;
+    impl->update_registration(NULL,120);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+    CHECK(observer->error_occured == true);
+
+    impl->_current_state = M2MInterfaceImpl::STATE_BOOTSTRAP;
+    impl->update_registration(NULL,120);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_BOOTSTRAP);
+    CHECK(observer->error_occured == true);
+
+    impl->update_registration(NULL,30);
+    CHECK(observer->error_occured == true);
+
+    impl->update_registration(NULL,120);
+    CHECK(observer->error_occured == true);
+
+
+    M2MObject *object = new M2MObject("test", "test");
+    M2MObjectInstance *ins = object->create_object_instance();
+    ins->create_dynamic_resource("test","type",M2MResourceInstance::STRING,false,false);
+
+    M2MObjectList list;
+    list.push_back(object);
+    impl->_current_state = M2MInterfaceImpl::STATE_REGISTERED;
+    m2mnsdlinterface_stub::bool_value = false;
+    impl->update_registration(NULL, list);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_UPDATE_REGISTRATION);
+    list.clear();
+
+    impl->_current_state = M2MInterfaceImpl::STATE_REGISTERED;
+    m2mnsdlinterface_stub::bool_value = false;
+    impl->update_registration(NULL, list);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_UPDATE_REGISTRATION);
+    delete object;
+
+}
+
+void Test_M2MInterfaceImpl::test_unregister_object()
+{
+    impl->_current_state = M2MInterfaceImpl::STATE_REGISTERED;
+    m2mnsdlinterface_stub::bool_value = true;
+
+    impl->unregister_object(NULL);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_WAITING);
+
+    impl->_current_state = M2MInterfaceImpl::STATE_REGISTERED;
+    m2mnsdlinterface_stub::bool_value = false;
+
+    impl->unregister_object(NULL);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+    CHECK(observer->error_occured == true);
+
+    impl->_current_state = M2MInterfaceImpl::STATE_IDLE;
+
+    impl->unregister_object(NULL);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+    CHECK(observer->error_occured == true);
+}
+
+void Test_M2MInterfaceImpl::test_set_queue_sleep_handler()
+{
+    callback_handler cb(this,&Test_M2MInterfaceImpl::test_callback_handler);
+    impl->set_queue_sleep_handler(cb);
+    CHECK(impl->_callback_handler != NULL);
+
+    callback_handler cb1(NULL);
+    impl->set_queue_sleep_handler(cb1);
+    CHECK(impl->_callback_handler == NULL);
+}
+
+
+void Test_M2MInterfaceImpl::test_set_random_number_callback()
+{
+    random_number_cb cb(&test_random_callback);
+    impl->set_random_number_callback(cb);
+}
+
+void Test_M2MInterfaceImpl::test_set_entropy_callback()
+{
+    impl->set_entropy_callback(ent_cb);
+}
+
+void Test_M2MInterfaceImpl::test_set_platform_network_handler()
+{
+    void *test = NULL;
+    impl->set_platform_network_handler(test);
+}
+
+void Test_M2MInterfaceImpl::test_coap_message_ready()
+{
+    m2mconnectionhandler_stub::bool_value = true;
+    uint8_t *data_ptr = (uint8_t *)malloc(sizeof(uint8_t));
+    uint16_t data_len = sizeof(uint8_t);
+    sn_nsdl_addr_s *address_ptr = (sn_nsdl_addr_s*)malloc(sizeof(sn_nsdl_addr_s));
+
+    impl->coap_message_ready(data_ptr,data_len,address_ptr);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+
+    impl->_current_state = M2MInterfaceImpl::STATE_WAITING;
+    impl->coap_message_ready(data_ptr,data_len,address_ptr);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_WAITING);
+
+    m2mconnectionhandler_stub::bool_value = false;
+    impl->coap_message_ready(data_ptr,data_len,address_ptr);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+    CHECK(observer->error_occured == true);
+
+    free(address_ptr);
+    free(data_ptr);
+}
+
+void Test_M2MInterfaceImpl::test_client_registered()
+{
+    impl->client_registered(NULL);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_REGISTERED);
+    CHECK(observer->registered == true);
+}
+
+void Test_M2MInterfaceImpl::test_registration_updated()
+{
+    M2MServer *server = NULL;
+    impl->registration_updated(*server);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_REGISTERED);
+    CHECK(observer->registered == true);
+}
+
+void Test_M2MInterfaceImpl::test_registration_error()
+{
+    impl->registration_error(1);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+    CHECK(observer->error_occured == true);
+
+    observer->error_occured = false;
+    impl->registration_error(1, true);
+    CHECK(observer->error_occured == false);
+}
+
+void Test_M2MInterfaceImpl::test_client_unregistered()
+{
+    impl->client_unregistered();
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+    CHECK(observer->unregistered == true);
+}
+
+void Test_M2MInterfaceImpl::test_bootstrap_wait()
+{
+    M2MSecurity *sec = new M2MSecurity(M2MSecurity::M2MServer);
+    impl->bootstrap_wait(sec);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_BOOTSTRAP_WAIT);
+    CHECK(impl->_security == sec);
+    CHECK(observer->bootstrapped == false);
+
+    delete sec;
+}
+
+
+void Test_M2MInterfaceImpl::test_bootstrap_done()
+{
+    M2MSecurity *sec = new M2MSecurity(M2MSecurity::M2MServer);
+    impl->bootstrap_done(sec);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_BOOTSTRAPPED);
+    CHECK(observer->bootstrapped == true);
+
+    delete sec;
+}
+
+void Test_M2MInterfaceImpl::test_bootstrap_error()
+{
+    impl->bootstrap_error();
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+    CHECK(observer->error_occured == true);
+}
+
+void Test_M2MInterfaceImpl::test_coap_data_processed()
+{
+    impl->coap_data_processed();
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_WAITING);
+}
+
+void Test_M2MInterfaceImpl::test_value_updated()
+{
+    impl->value_updated(NULL);
+    CHECK(observer->val_updated == false);
+
+    M2MBaseTest b;
+    impl->value_updated(&b);
+    CHECK(observer->val_updated == true);
+}
+
+void Test_M2MInterfaceImpl::test_data_available()
+{
+    uint8_t* data = (uint8_t*)malloc(sizeof(uint8_t));
+    uint16_t data_size = sizeof(uint8_t);
+    M2MConnectionObserver::SocketAddress *address = (M2MConnectionObserver::SocketAddress*)
+                                                    malloc(sizeof(M2MConnectionObserver::SocketAddress));
+
+    address->_stack = M2MInterface::LwIP_IPv4;
+    m2mnsdlinterface_stub::bool_value = true;
+
+    impl->data_available(data,data_size,*address);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_WAITING);
+
+    address->_stack = M2MInterface::LwIP_IPv6;
+    m2mnsdlinterface_stub::bool_value = true;
+
+    impl->data_available(data,data_size,*address);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_WAITING);
+
+    address->_stack = M2MInterface::LwIP_IPv4;
+    m2mnsdlinterface_stub::bool_value = false;
+
+    impl->data_available(data,data_size,*address);
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_WAITING);
+    CHECK(observer->error_occured == true);
+
+    free(data);
+    free(address);
+}
+
+void Test_M2MInterfaceImpl::test_socket_error()
+{
+    for (int i = 0; i <= MBED_CLIENT_RECONNECTION_COUNT; i++) {
+        impl->socket_error(M2MConnectionHandler::SSL_CONNECTION_ERROR);
+        impl->_retry_timer_expired = true;
+    }
+    CHECK(observer->error_occured == true);
+
+    observer->error_occured = false;
+    impl->socket_error(M2MConnectionHandler::SOCKET_READ_ERROR, false);
+    CHECK(observer->error_occured == true);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+
+    observer->error_occured = false;
+    impl->socket_error(M2MConnectionHandler::DNS_RESOLVING_ERROR, false);
+    CHECK(observer->error_occured == true);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+
+    observer->error_occured = false;
+    impl->socket_error(M2MConnectionHandler::SOCKET_SEND_ERROR, false);
+    CHECK(observer->error_occured == true);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+
+    observer->error_occured = false;
+    impl->socket_error(M2MConnectionHandler::SSL_HANDSHAKE_ERROR, false);
+    CHECK(observer->error_occured == true);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+
+    observer->error_occured = false;
+    impl->socket_error(M2MConnectionHandler::SOCKET_ABORT, false);
+    CHECK(observer->error_occured == true);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+
+    observer->error_occured = false;
+    impl->socket_error(M2MConnectionHandler::ERROR_NONE, false);
+    CHECK(observer->error_occured == false);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+}
+
+void Test_M2MInterfaceImpl::test_address_ready()
+{
+    M2MConnectionObserver::SocketAddress *address =
+        (M2MConnectionObserver::SocketAddress*) malloc(sizeof(M2MConnectionObserver::SocketAddress));
+    M2MConnectionObserver::ServerType server_type = M2MConnectionObserver::Bootstrap;
+    uint16_t server_port = 5685;
+
+    address->_stack = M2MInterface::LwIP_IPv6;
+    m2mnsdlinterface_stub::bool_value = true;
+
+    impl->address_ready(*address,server_type,server_port);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_BOOTSTRAP_RESOURCE_CREATED);
+
+    address->_stack = M2MInterface::LwIP_IPv4;
+    m2mnsdlinterface_stub::bool_value = true;
+
+    impl->address_ready(*address,server_type,server_port);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_BOOTSTRAP_RESOURCE_CREATED);
+
+
+    address->_stack = M2MInterface::LwIP_IPv6;
+    m2mnsdlinterface_stub::bool_value = false;
+
+    impl->address_ready(*address,server_type,server_port);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+    CHECK(observer->error_occured == true);
+
+    // Test for Address resolving for LWM2M server
+    server_type = M2MConnectionObserver::LWM2MServer;
+
+    address->_stack = M2MInterface::LwIP_IPv4;
+    m2mnsdlinterface_stub::bool_value = true;
+
+    impl->address_ready(*address,server_type,server_port);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_REGISTER_ADDRESS_RESOLVED);
+
+    impl->address_ready(*address,server_type,server_port);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_REGISTER_ADDRESS_RESOLVED);
+
+    address->_stack = M2MInterface::LwIP_IPv6;
+    m2mnsdlinterface_stub::bool_value = false;
+
+    impl->address_ready(*address,server_type,server_port);
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_IDLE);
+    CHECK(observer->error_occured == true);
+
+    free(address);
+}
+
+void Test_M2MInterfaceImpl::test_data_sent()
+{
+    m2mconnectionhandler_stub::bool_value = true;
+
+    impl->data_sent();
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_WAITING);
+
+    m2mconnectionhandler_stub::bool_value = false;
+
+    impl->data_sent();
+
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_WAITING);
+    CHECK(observer->error_occured == false);
+
+    impl->_callback_handler = callback_handler(this, &Test_M2MInterfaceImpl::test_callback_handler);
+
+    m2mconnectionhandler_stub::bool_value = true;
+
+    impl->_binding_mode = M2MInterface::UDP_QUEUE;
+    impl->data_sent();
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_WAITING);
+
+    impl->_binding_mode = M2MInterface::TCP_QUEUE;
+    impl->data_sent();
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_WAITING);
+
+    impl->_binding_mode = M2MInterface::SMS_QUEUE;
+    impl->data_sent();
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_WAITING);
+
+    impl->_binding_mode = M2MInterface::UDP_SMS_QUEUE;
+    impl->data_sent();
+    CHECK(impl->_current_state == M2MInterfaceImpl::STATE_WAITING);
+}
+
+void Test_M2MInterfaceImpl::test_timer_expired()
+{
+    visited = false;
+    impl->_callback_handler = NULL;
+    impl->timer_expired(M2MTimerObserver::QueueSleep);
+    CHECK(visited == false);
+
+    impl->_callback_handler = callback_handler(this, &Test_M2MInterfaceImpl::test_callback_handler);
+
+    visited = false;
+    impl->timer_expired(M2MTimerObserver::QueueSleep);
+    CHECK(visited == true);
+    visited = false;
+
+    impl->_bootstrapped = true;
+    impl->timer_expired(M2MTimerObserver::RetryTimer);
+    CHECK(impl->_retry_timer_expired == true);
+
+    impl->_bootstrapped = false;
+    impl->timer_expired(M2MTimerObserver::RetryTimer);
+    CHECK(impl->_retry_timer_expired == true);
+
+    observer->error_occured = false;
+    impl->timer_expired(M2MTimerObserver::BootstrapTimer);
+    CHECK(observer->error_occured == true);
+}
+
+void Test_M2MInterfaceImpl::test_callback_handler()
+{
+    visited = true;
+}
+
+uint32_t test_random_callback(void)
+{
+    return 1;
+}