// build/get static keyword table
Dictionary <string, FunctionDefinition> GetFunctionTable()
{
if (_fnTbl == null)
{
// create table
_fnTbl = new Dictionary <string, FunctionDefinition>(StringComparer.InvariantCultureIgnoreCase);
// register built-in functions (and constants)
Logical.Register(this);
MathTrig.Register(this);
Text.Register(this);
Statistical.Register(this);
}
return(_fnTbl);
}
public void Test()
{
// adjust culture
var cultureInfo = this.CultureInfo;
this.CultureInfo = System.Globalization.CultureInfo.InvariantCulture;
// test internal operators
Test("0", 0.0);
Test("+1", 1.0);
Test("-1", -1.0);
Test("1+1", 1 + 1.0);
Test("1*2*3*4*5*6*7*8*9", 1 * 2 * 3 * 4 * 5 * 6 * 7 * 8 * 9.0);
Test("1/(1+1/(1+1/(1+1/(1+1/(1+1/(1+1/(1+1/(1+1/(1+1/(1+1))))))))))", 1 / (1 + 1 / (1 + 1 / (1 + 1 / (1 + 1 / (1 + 1 / (1 + 1 / (1 + 1 / (1 + 1 / (1 + 1 / (1 + 1.0)))))))))));
Test("((1+2)*(2+3)/(4+5))^0.123", Math.Pow((1 + 2) * (2 + 3) / (4 + 5.0), 0.123));
Test("10%", 0.1);
Test("1e+3", 1000.0);
// test simple variables
Variables.Add("one", 1);
Variables.Add("two", 2);
Test("one + two", 3);
Test("(two + two)^2", 16);
Variables.Clear();
// test DataContext
var dc = DataContext;
var p = Person.CreateTestPerson();
DataContext = p;
Test("Name", "Test Person");
Test("Name.Length * 2", p.Name.Length * 2);
Test("Children.Count", p.Children.Count);
Test("Children(2).Name", p.Children[2].Name);
Test("ChildrenDct(\"Test Child 2\").Name", p.ChildrenDct["Test Child 2"].Name);
Test("ChildrenDct.Count", p.ChildrenDct.Count);
DataContext = dc;
// test functions
Logical.Test(this);
MathTrig.Test(this);
Text.Test(this);
Statistical.Test(this);
// restore culture
this.CultureInfo = cultureInfo;
}