public void TestDeleteContainedEntities()
{
// Initialize entities
TestStructTypeSupport support = new TestStructTypeSupport();
string typeName = support.GetTypeName();
ReturnCode result = support.RegisterType(_participant, typeName);
Assert.AreEqual(ReturnCode.Ok, result);
Topic topic = _participant.CreateTopic(nameof(TestDeleteContainedEntities), typeName);
Assert.IsNotNull(topic);
Assert.IsNull(topic.GetListener());
Assert.AreEqual(nameof(TestDeleteContainedEntities), topic.Name);
Assert.AreEqual(typeName, topic.TypeName);
Subscriber subscriber = _participant.CreateSubscriber();
Assert.IsNotNull(subscriber);
// Call DeleteContainedEntities in an empty subscriber
result = subscriber.DeleteContainedEntities();
Assert.AreEqual(ReturnCode.Ok, result);
// Create a DataReader in the subscriber
DataReader dataReader = subscriber.CreateDataReader(topic);
Assert.IsNotNull(subscriber);
// Try to delete the publisher without delete the datareader
result = _participant.DeleteSubscriber(subscriber);
Assert.AreEqual(ReturnCode.PreconditionNotMet, result);
// Call DeleteContainedEntities and remove the subscriber again
result = subscriber.DeleteContainedEntities();
Assert.AreEqual(ReturnCode.Ok, result);
result = _participant.DeleteSubscriber(subscriber);
Assert.AreEqual(ReturnCode.Ok, result);
// Create a DataReader with null parameter
DataReader nullDataReader = subscriber.CreateDataReader(null);
Assert.IsNull(nullDataReader);
// Create DataReader with incorrect qos
DataReaderQos drQos = new DataReaderQos();
drQos.ResourceLimits.MaxSamples = 1;
drQos.ResourceLimits.MaxSamplesPerInstance = 2;
nullDataReader = subscriber.CreateDataReader(topic, drQos);
Assert.IsNull(nullDataReader);
}
