public void Convert()
{
ConvertExpression e = new ConvertExpression("[in->ft]");
Assert.IsNotNull(e);
double feet = e.Convert(new double[] { 12d });
Assert.AreEqual(1, feet);
}
private IExpression GetExpressionFromSymbol(string p)
{
IExpression e;
if (_expressionCache.ContainsKey(p))
e = _expressionCache[p];
else if (OperatorExpression.IsSymbol(p))
{
e = new OperatorExpression(p);
_expressionCache.Add(p, e);
}
else if (FunctionExpression.IsFunction(p))
{
e = new FunctionExpression(p, false);
_expressionCache.Add(p, e);
}
else if (ConvertExpression.IsConvertExpression(p))
{
e = new ConvertExpression(p);
_expressionCache.Add(p, e);
}
else
throw new ParseException(Resources.InvalidSymbolOnStack + p);
return e;
}
