public void Differential_throw_InvalidOperationException_for_Polynom_with_zero_length2()
{
var p = new Polynom();
const string expected_message = "Попытка дифференцирования полинома с массивом коэффициентов нулевой длины";
var exception = Assert.ThrowsException <InvalidOperationException>(() => p.GetDifferential());
Assert.AreEqual(expected_message, exception.Message);
}
public void Differential_returns_Correct_Polynom()
{
var p = new Polynom(7, 5, 3);
const double expected_a0 = 5;
const double expected_a1 = 3 * 2;
var diff_p = p.GetDifferential();
Assert.IsNotNull(diff_p);
Assert.AreEqual(expected_a0, diff_p[0]);
Assert.AreEqual(expected_a1, diff_p[1]);
}
public void Differential_Returns_correct_Polynom()
{
//y = 7 + 5x + 3x^2
var p = new Polynom(7, 5, 3);
const double expected_a0 = 5;
const double expected_a1 = 3 * 2;
// diff_y = 5 + 6x
var diff_p = p.GetDifferential();
Assert.IsNotNull(diff_p);
Assert.AreEqual(expected_a0, diff_p[0]);
Assert.AreEqual(expected_a1, diff_p[1]);
}
public void Differential_throw_InvalidOperationException_for_Polynom_with_zero_length()
{
var p = new Polynom();
var q = p.GetDifferential();
}