public void Test_Discriminant_1_1_1()
{
double a = 1;
double b = 1;
double c = 1;
var d = _discriminant.CalculationDiscriminant(a, b, c);
Assert.AreEqual(-3, d.D);
}
public void Test_Discriminant_1_10_1()
{
double a = 1;
double b = 10;
double c = 1;
var d = _discriminant.CalculationDiscriminant(a, b, c);
Assert.IsTrue(d.x1 < 0, d.x1.ToString());
Assert.IsTrue(d.x2 < 0, d.x2.ToString());
}
static void Main(string[] args)
{
var discriminant = new Discriminant();
Console.WriteLine("Input value а, not equal 0");
//for value а
double a;
string vvod_znach = Console.ReadLine();
a = CheckNumber(vvod_znach);
ProverkaDeleniya(a);
//for value b
Console.WriteLine("Введите b:");
double b;
vvod_znach = Console.ReadLine();
b = CheckNumber(vvod_znach);
//for value c
Console.WriteLine("Введите c:");
double c;
vvod_znach = Console.ReadLine();
c = CheckNumber(vvod_znach);
var _discriminant = discriminant.CalculationDiscriminant(a, b, c);
if (_discriminant.D < 0)
{
Console.WriteLine("The discriminant is D = {0} and less than 0, therefore the equation has no roots!", _discriminant.D);
}
else
{
if (_discriminant.D > 0)
{
Console.WriteLine("The discriminant is D = {2} and greater than 0, therefore the equation has two roots: {0} and {1}", _discriminant.x1, _discriminant.x2, _discriminant.D);
}
else
{
Console.WriteLine("The discriminant is D = {1}, therefore the equation has one root: {0}", _discriminant.x1, _discriminant.D);
}
}
//Console.WriteLine("Разложение на линейные множители:");
//Console.WriteLine("{0}*x*x+{1}*x+{2}={0}*(x-{3})*(x-{4})", a, b, c, x1, x2);
Console.ReadKey();
}
public void TestDiscriminant(int a, int b, int c, int expect)
{
var d = discriminant.CalculationDiscriminant(a, b, c);
Assert.AreEqual(expect, d.D);
}