public void TestResistorFromFactoryMethod()
{
Resistor resistor = ResistorFactory.fourBands();
((Band)resistor.Bands[0]).Color = ResistorColor.Green;
((Band)resistor.Bands[1]).Color = ResistorColor.Black;
((MultiplierBand)resistor.Bands[2]).Color = ResistorMultiplier.Black;
((ToleranceBand)resistor.Bands[3]).Color = ResistorTolerance.Gold;
Assert.AreEqual(50, resistor.Value);
}
public void TestResistorFromFactoryWithParamMethod()
{
Band firstBand = new Band();
Band secondBand = new Band();
MultiplierBand thirdBand = new MultiplierBand();
ToleranceBand fourthBand = new ToleranceBand();
Resistor resistor = ResistorFactory.fourBands(firstBand, secondBand, thirdBand, fourthBand);
((Band)resistor.Bands[0]).Color = ResistorColor.Orange;
((Band)resistor.Bands[1]).Color = ResistorColor.Brown;
((MultiplierBand)resistor.Bands[2]).Color = ResistorMultiplier.Black;
((ToleranceBand)resistor.Bands[3]).Color = ResistorTolerance.Gold;
Assert.AreEqual(31, resistor.Value);
}
private void ConvertButton_Click(object sender, RoutedEventArgs e)
{
if(NumOfBands.SelectedItem != null) {
ResultBox.Visibility = Visibility.Visible;
ResultBoxStatus.Visibility = Visibility.Hidden;
int numOfBands = Convert.ToInt32(((ComboBoxItem)NumOfBands.SelectedItem).Content);
int BandNumber = 0;
double[] Bands = new double[numOfBands];
// Loop through resistor band colour ComboBoxes and read into array
foreach (ComboBox child in ResistorBands.Children)
{
if (child.Visibility == Visibility.Visible)
{
try {
Bands[BandNumber] = resColours[Convert.ToString(child.SelectedValue)];
}
catch(KeyNotFoundException)
{
ResultBoxStatus.Text = "Please select a colour for each resistor band.";
ResultBoxStatus.Visibility = Visibility.Visible;
return;
}
}
BandNumber++;
}
ResistorFactory rf = new ResistorFactory();
Resistor resistor = rf.CreateResistor(numOfBands);
resistor.CalculateValues(Bands);
ResultBox.DataContext = resistor;
}
else
{
ResultBoxStatus.Visibility = Visibility.Visible;
ResultBox.Visibility = Visibility.Hidden;
}
}
