public void Test_increment_IncrementsTheCounter()
{
SequenceCounter counter = new SequenceCounter();
Assert.Equal("0", counter.AsString());
counter.Increment();
Assert.Equal("1", counter.AsString());
counter.Increment();
Assert.Equal("2", counter.AsString());
}
public void Test_counter_WhenThereIsOneParent()
{
SequenceCounter parent = new SequenceCounter();
parent.Increment();
Assert.AreEqual("1", parent.AsString());
SequenceCounter child = new SequenceCounter(parent);
child.Increment();
Assert.AreEqual("1.1", child.AsString());
child.Increment();
Assert.AreEqual("1.2", child.AsString());
}
public virtual string AsString()
{
if (Parent == null)
{
return("" + Sequence);
}
else
{
return(Parent.AsString() + "." + Sequence);
}
}
public void Test_counter_WhenThereAreTwoParents()
{
SequenceCounter parent = new SequenceCounter();
parent.Increment();
Assert.AreEqual("1", parent.AsString());
SequenceCounter child = new SequenceCounter(parent);
child.Increment();
Assert.AreEqual("1.1", child.AsString());
SequenceCounter grandchild = new SequenceCounter(child);
grandchild.Increment();
Assert.AreEqual("1.1.1", grandchild.AsString());
grandchild.Increment();
Assert.AreEqual("1.1.2", grandchild.AsString());
}
internal string GetNext()
{
_counter.Increment();
return(_counter.AsString());
}