public void TestDevNegative()
{
MyMath math = new MyMath();
Assert.AreEqual(45, math.Dev(10, 20));
}
public void IsDevInteger()
{
MyMath math = new MyMath();
Assert.IsInstanceOf(typeof(double), math.Dev(20, 20));
}
public void TestDevPositive()
{
MyMath math = new MyMath();
Assert.AreEqual(0.5, math.Dev(10, 20));
}
