public BuiltInFunctions()
{
// Text
Functions["text"] = new CStr();
Functions["len"] = new Len();
Functions["lower"] = new Lower();
Functions["upper"] = new Upper();
Functions["left"] = new Left();
Functions["right"] = new Right();
Functions["mid"] = new Mid();
Functions["replace"] = new Replace();
Functions["substitute"] = new Substitute();
Functions["concatenate"] = new Concatenate();
// Numbers
Functions["int"] = new CInt();
// Math
Functions["cos"] = new Cos();
Functions["cosh"] = new Cosh();
Functions["power"] = new Power();
Functions["sqrt"] = new Sqrt();
Functions["sqrtpi"] = new SqrtPi();
Functions["pi"] = new Pi();
Functions["product"] = new Product();
Functions["ceiling"] = new Ceiling();
Functions["count"] = new Count();
Functions["counta"] = new CountA();
Functions["floor"] = new Floor();
Functions["sin"] = new Sin();
Functions["sinh"] = new Sinh();
Functions["sum"] = new Sum();
Functions["sumif"] = new SumIf();
Functions["stdev"] = new Stdev();
Functions["stdevp"] = new StdevP();
Functions["subtotal"] = new Subtotal();
Functions["exp"] = new Exp();
Functions["log"] = new Log();
Functions["log10"] = new Log10();
Functions["max"] = new Max();
Functions["maxa"] = new Maxa();
Functions["min"] = new Min();
Functions["mod"] = new Mod();
Functions["average"] = new Average();
Functions["round"] = new Round();
Functions["rand"] = new Rand();
Functions["randbetween"] = new RandBetween();
Functions["tan"] = new Tan();
Functions["tanh"] = new Tanh();
Functions["var"] = new Var();
Functions["varp"] = new VarP();
// Information
Functions["isblank"] = new IsBlank();
Functions["isnumber"] = new IsNumber();
Functions["istext"] = new IsText();
Functions["iserror"] = new IsError();
// Logical
Functions["if"] = new If();
Functions["not"] = new Not();
Functions["and"] = new And();
Functions["or"] = new Or();
Functions["true"] = new True();
// Reference and lookup
Functions["address"] = new Address();
Functions["hlookup"] = new HLookup();
Functions["vlookup"] = new VLookup();
Functions["lookup"] = new Lookup();
Functions["match"] = new Match();
Functions["row"] = new Row();
Functions["rows"] = new Rows();
Functions["column"] = new Column();
Functions["columns"] = new Columns();
Functions["choose"] = new Choose();
// Date
Functions["date"] = new Date();
Functions["today"] = new Today();
Functions["now"] = new Now();
Functions["day"] = new Day();
Functions["month"] = new Month();
Functions["year"] = new Year();
Functions["time"] = new Time();
Functions["hour"] = new Hour();
Functions["minute"] = new Minute();
Functions["second"] = new Second();
}
public void ColumnssShouldReturnNbrOfRowsSuppliedRange()
{
var func = new Columns();
var parsingContext = ParsingContext.Create();
parsingContext.ExcelDataProvider = MockRepository.GenerateStub<ExcelDataProvider>();
var result = func.Execute(FunctionsHelper.CreateArgs("A1:E3"), parsingContext);
Assert.AreEqual(5, result.Result);
}