public void Does_right_operation()
{
Assert.That(DynamicNumber.Add(8, 2) is int a && a == 10);
Assert.That(DynamicNumber.Sub(8, 2) is int s && s == 6);
Assert.That(DynamicNumber.Mul(8, 2) is int m && m == 16);
Assert.That(DynamicNumber.Div(8, 2) is int d && d == 4);
}
private static object Add2 <T, R>(T lhs, R rhs)
{
var result = DynamicNumber.Add(lhs, rhs);
"{0}: {1} + {2} = {3} ({4})".Print(typeof(T).Name, lhs, rhs, result, result.GetType());
return(result);
}
public void Dynamic_number_examples()
{
object objInt = 1;
object objDouble = 1.1;
Assert.That(DynamicNumber.Add(objInt, objDouble) is double d1 && d1 == 2.1);
Assert.That(DynamicNumber.Multiply('2', "1.1") is double d2 && d2 == 2.2);
Assert.That(DynamicNumber.TryParseIntoBestFit("1", out object result) && result is byte b && b == 1);
}
public override object Evaluate(object lhs, object rhs)
{
if (lhs is string || rhs is string)
{
var lhsString = lhs.ConvertTo <string>();
var rhsString = rhs.ConvertTo <string>();
return(string.Concat(lhsString, rhsString));
}
return(DynamicNumber.Add(lhs, rhs));
}
public void Can_apply_operations_to_strings_containing_numbers()
{
var result = DynamicNumber.Add("1", "1");
Assert.That(result, Is.EqualTo(2));
}
public object add(object lhs, object rhs) => DynamicNumber.Add(lhs, rhs);