public void RandomSecondGeneratorTest(int n)
{
SecondGenerator generator = new SecondGenerator();
var result = generator.GenerateArray(n);
Assert.IsTrue(Math.Abs(result.Sum() - 1) < 0.000001);
}
public void GeneratorExeptionTest(int n)
{
SecondGenerator secondGenerator = new SecondGenerator();
FirstGenerator firstGenerator = new FirstGenerator();
Assert.Throws <ArgumentException>(() => firstGenerator.GenerateArray(n));
Assert.Throws <ArgumentException>(() => secondGenerator.GenerateArray(n));
}