/// <summary>
/// Handles the Click event of the ScanButton control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
private void ScanButtonClick(object sender, System.EventArgs e)
{
CheckOutServices.Scan((long)CodeNumericUpDown.Value);
CodeNumericUpDown.Value = 0;
CodeNumericUpDown.Focus();
}
public void Close_ShouldReturnPositiveBill_WhenSomethingScanned()
{
// Arrange
CheckOutServices.Start();
CheckOutServices.Scan(12345678);
// Act
var bill = CheckOutServices.Close();
// Assert
bill.Should().NotBeNull();
bill.TotalPrice.Should().BePositive();
}