public void OperandMathFunctionTest2()
{
var expression = @"abs(-1)";
var target = "abs";
var matchIndex = 0;
var operand = ExpressionRegex.GetNextMathFunction(expression);
Assert.AreEqual(operand.Item1, target);
Assert.AreEqual(operand.Item2, matchIndex);
}
public void OperandMathFunctionTest1()
{
var expression = @"2+sin(45)";
var target = "sin";
var matchIndex = 2;
var operand = ExpressionRegex.GetNextMathFunction(expression);
Assert.AreEqual(operand.Item1, target);
Assert.AreEqual(operand.Item2, matchIndex);
}