public void VI_Should_Read_5_1()
{
using (var reader = new RomanStringReader("VI"))
{
Assert.That(reader.Read(), Is.EqualTo(5));
Assert.That(reader.Read(), Is.EqualTo(1));
Assert.That(reader.EndOfString, Is.True);
}
}
public void Read_On_EOF_Should_Throw_InvalidOperationException()
{
using (var reader = new RomanStringReader(""))
{
reader.Read();
}
}
public IEnumerable<int> Split()
{
using (var reader = new RomanStringReader(romanNumber))
{
while(!reader.EndOfString)
{
var value1 = reader.Read();
var value2 = reader.Peek();
bool isPrefixed = value1 < value2;
var value = isPrefixed ? value2 - value1 : value1;
if (isPrefixed)
reader.Skip();
yield return value;
}
}
}