protected void btnDiv_Click(object sender, EventArgs e)
{
try
{
float res = AppEngine.Divide(txbNum1.Text, txbNum2.Text);
lblResult.Text = res.ToString();
}
catch (EngineException)
{
lblResult.Text = "Invalid input";
}
}
public void DivisionTest()
{
float res = AppEngine.Divide("45", "6");
Assert.AreEqual(res, 7.5);
res = AppEngine.Divide("-18", "-6");
Assert.AreEqual(res, 3);
Assert.Throws <EngineException>(() => AppEngine.Divide("13", "0"));
Assert.Throws <EngineException>(() => AppEngine.Divide("", "6"));
Assert.Throws <EngineException>(() => AppEngine.Divide("13", ""));
Assert.Throws <EngineException>(() => AppEngine.Divide("1", "text"));
Assert.Throws <EngineException>(() => AppEngine.Divide("text", "7"));
}
