Exemplo n.º 1
0
        public void TestUnregisterInstance()
        {
            // Initialize entities
            DataWriter writer = _publisher.CreateDataWriter(_topic);

            Assert.IsNotNull(writer);
            TestStructDataWriter dataWriter = new TestStructDataWriter(writer);

            // Unregister not registered instance
            ReturnCode result = dataWriter.UnregisterInstance(new TestStruct {
                Id = 1
            });

            Assert.AreEqual(ReturnCode.PreconditionNotMet, result);

            // Register an instance
            TestStruct instance1 = new TestStruct {
                Id = 1
            };
            InstanceHandle handle1 = dataWriter.RegisterInstance(instance1);

            Assert.AreNotEqual(InstanceHandle.HandleNil, handle1);

            // Unregister the previous registered instance with the simplest overload
            result = dataWriter.UnregisterInstance(new TestStruct {
                Id = 1
            });
            Assert.AreEqual(ReturnCode.Ok, result);

            // Register a new instance
            TestStruct instance2 = new TestStruct {
                Id = 2
            };
            InstanceHandle handle2 = dataWriter.RegisterInstance(instance2);

            Assert.AreNotEqual(InstanceHandle.HandleNil, handle2);

            // Unregister the previous registered instance with the handle
            result = dataWriter.UnregisterInstance(new TestStruct {
                Id = 2
            }, handle2);
            Assert.AreEqual(ReturnCode.Ok, result);

            // Register a new instance
            TestStruct instance3 = new TestStruct {
                Id = 3
            };
            InstanceHandle handle3 = dataWriter.RegisterInstance(instance3);

            Assert.AreNotEqual(InstanceHandle.HandleNil, handle3);

            // Unregister the previous registered instance with the handle and the timestamp
            result = dataWriter.UnregisterInstance(new TestStruct {
                Id = 3
            }, handle3, DateTime.Now.ToTimestamp());
            Assert.AreEqual(ReturnCode.Ok, result);
        }