public void TestMethod20()
{
FactClass obj = new FactClass();
long actual = obj.Fact(20);
Assert.AreEqual(2432902008176640000, actual);
}
public void TestMethod1()
{
FactClass obj = new FactClass();
long actual = obj.Fact(5);
Assert.AreEqual(120, actual);
}
public void TestMethod3()
{
FactClass obj = new FactClass();
long actual = obj.Fact(3);
Assert.AreEqual(6, actual);
}
private void TextBox1_TextChanged(object sender, EventArgs e)
{
label1.Text = "Введите целое число";
if (long.TryParse(textBox1.Text, out long n))
{
FactClass obj = new FactClass();
long res = obj.Fact(n);
string s = res.ToString();
label1.Text = s;
}
else
{
label1.Text = string.Empty;
}
}
