public void DefaultIfEmptyWithDataAndDefaultReplacement()
{
DataProducer <string> subject = new DataProducer <string>();
IDataProducer <string> result = subject.DefaultIfEmpty("foo");
ProduceAndCheck(subject, result, new[] { "a", "b", "c" }, new[] { "a", "b", "c" });
}
public void DefaultIfEmptyWithoutDataButWithDefaultReplacement()
{
DataProducer <string> subject = new DataProducer <string>();
IDataProducer <string> result = subject.DefaultIfEmpty("foo");
ProduceAndCheck(subject, result, new string[0], new string[] { "foo" });
}
public void DefaultIfEmptyWithoutData()
{
DataProducer <string> subject = new DataProducer <string>();
IDataProducer <string> result = subject.DefaultIfEmpty();
ProduceAndCheck(subject, result, new string[0], new string[] { null });
}