public void ParseSingleVariable()
{
var input = "x";
var result = new KeyCountCollection<string>();
result.Add(input);
Assert.IsTrue(result.Any());
Assert.AreEqual(result.First().Value, 1);
}
public void ParseVariablesWithRepeatlyVariables()
{
var input = "x*x*y";
var result = new KeyCountCollection<string>();
var parser = new VariablesParser();
var multipliers = parser.GetVariables(input);
result.AddRange(multipliers);
Assert.IsTrue(result.Count() == 2);
Assert.AreEqual(result.First(x => x.Key == "x").Value, 2);
}