private void AssertRange(Calculator ocalc, double p1, double p2, double expected)
{
double actual = ocalc.Divide(p1, p2);
//Assert
Assert.AreEqual(expected, actual);
}
public void BasicDivideTest()
{
//arrange
Calculator ocalc = new Calculator();
double expected = 4d;
//act
double actual = ocalc.Divide(20d, 5d);
//assert
Assert.AreEqual(expected, actual);
}