public bool is_overlap(T1Range other)
{
if (is_empty() || other.is_empty())
{
return(false);
}
if (end < other.start)
{
return(false);
}
if (start > other.end)
{
return(false);
}
return(true);
}
public void When_start_is_earlier_than_end_range_should_not_be_empty()
{
var subject = new T1Range(1, 4);
Assert.IsFalse(subject.is_empty());
}