public void TestSqu()
{
calhomework.Form1 form1 = new calhomework.Form1();
var result = form1.Calsqu(1.4, 2.5);
Assert.AreEqual(3.5, result);
}
public void TestDouble()
{
calhomework.Form1 form1 = new calhomework.Form1();
var result = form1.Calsqu(1, 2);
Assert.IsInstanceOfType(result, typeof(double));
}