public void TestAddPositive()
{
//Act - we need to provide some data to get an output
var Actual = cal1.Add(first, second);
//Assert - we need to check the output we get is correct or not
Assert.AreEqual(expected: "6", Actual);
}
private void button1_Click(object sender, EventArgs e)
{
obj = new Calulator();
obj.num1 = Convert.ToInt32(textBox1.Text);
obj.num2 = Convert.ToInt32(textBox1.Text);
lblanswer.Text = "Addition is: " + obj.Add();
}