public double Work(string input)
{
///костыль, jon skeet не одобряет
if (input?.Trim()?.StartsWith("-") ?? false)
{
input = $"0{input}";
}
_validator.ValidateInput(input);
var expression = _builder.CreateExpression(input);
return(expression.GetValue());
}
public void CreateExpression_EmptyWork_Create()
{
var result = builder.CreateExpression("1");
Assert.Equal(1.0, result.GetValue());
}