public void CountXX(string str, int expected)
{
Loops obj = new Loops();
int actual = obj.CountXX(str);
Assert.AreEqual(expected, actual);
}
public void CountXX(string a, int expected)
{
// arrange
Loops obj = new Loops();
// act
int actual = obj.CountXX(a);
// assert
Assert.AreEqual(expected, actual);
}