public void TestDefinition()
{
var def = new LengthFunction();
Assert.That(def.Name.Name, Is.EqualTo("length"));
Assert.That(def.Parameters.Count, Is.EqualTo(1));
Assert.That(def.Parameters.ElementAt(0).Name, Is.EqualTo("object"));
}
private int Evaluate(string input, InterpreterScope scope, string expectedError = null)
{
var funcDef = new LengthFunction();
var expression = ExpressionBase.Parse(new PositionalTokenizer(Tokenizer.CreateTokenizer(input)));
Assert.That(expression, Is.InstanceOf <FunctionCallExpression>());
var funcCall = (FunctionCallExpression)expression;
ExpressionBase error;
var parameterScope = funcCall.GetParameters(funcDef, scope, out error);
if (expectedError == null)
{
Assert.That(error, Is.Null);
ExpressionBase result;
Assert.That(funcDef.Evaluate(parameterScope, out result), Is.True);
Assert.That(result, Is.InstanceOf <IntegerConstantExpression>());
return(((IntegerConstantExpression)result).Value);
}
else
{
if (error == null)
{
Assert.That(funcDef.Evaluate(parameterScope, out error), Is.False);
}
Assert.That(error, Is.InstanceOf <ParseErrorExpression>());
var parseError = (ParseErrorExpression)error;
while (parseError.InnerError != null)
{
parseError = parseError.InnerError;
}
Assert.That(parseError.Message, Is.EqualTo(expectedError));
return(int.MinValue);
}
}
public static void RegisterAll()
{
BreakExpression.Register();
ContinueExpression.Register();
ReturnFunctionExpression.Register();
AbsFunction.Register();
ExecuteFile.Register();
PowFunction.Register();
ProductFunction.Register();
HelpFunction.Register();
SqrtFunction.Register();
SumDeepFunction.Register();
SumFunction.Register();
LengthFunction.Register();
ConsoleObject.Register();
TrigonometryObject.Register();
ThisConstant.Register();
BooleanValue.Register();
ComplexValue.Register();
DecimalValue.Register();
NullValue.Register();
}
public ScaleLengthManager(SILayout layout) : base(layout)
{
_LengthCalculationMethod = LengthFunction.AlongString;
}
public void TestStringLength()
{
var function = new LengthFunction();
Assert.That(function.Evaluate("aaa"), Is.EqualTo(3));
}
public void TestNullLength()
{
var function = new LengthFunction();
Assert.That(function.Evaluate(new object[1]), Is.EqualTo(0));
}
