public void TestForCalculateExp_WhenfirstArgumentIsZero()
{
var e = new TaylorSeries();
var actual = e.CalculateExp(0, 3);
var expected = 1;
Assert.AreEqual(expected, actual);
}
public void TestForCalculateExp_WhenfirstArgumentIsNegative()
{
var e = new TaylorSeries();
var actual = e.CalculateExp(-2, 4);
var expected = 1 - 2.0 / 3;
Assert.AreEqual(expected, actual);
}
public void TestForCalculateExp_WhenBothArgumentsArePositive()
{
var e = new TaylorSeries();
var actual = e.CalculateExp(4, 3);
var expected = 13 + 64.0 / 6;
Assert.AreEqual(expected, actual);
}