private void buttonAverageVolume_Click(object sender, EventArgs e)
{
int symbolId = comboBoxCustomGroupMember.SelectedIndex;
List <PointData> listStockData = _symbolService.GetSymbolTradeData(symbolId);
int numberOfDays = int.Parse(textBoxNumberOfDays.Text);
Volume volume = new Volume();
int averageVolume = volume.CalculateAverageVolume(listStockData, numberOfDays);
listBox1.Items.Add(symbolId + " Average Volume in Last " + numberOfDays + " Day[s] is " + averageVolume);
}
public void CalculateAverageVolumeTest()
{
Volume volume = new Volume();
List <PointData> points = new List <PointData>();
points.Add(new PointData()
{
Volume = 0
});
points.Add(new PointData()
{
Volume = 1000
});
points.Add(new PointData()
{
Volume = 2000
});
int average = volume.CalculateAverageVolume(points, 3);
Assert.AreEqual(1000, average);
}