void Calculate(object sender, EventArgs e)
{
try
{
if (calculateTo.SelectedIndex == -1)
{
Alerts.InvalidInput(messageToUser: AppResources.emtpyEquationPickerCalculate);
}
else
{
if (calculateTo.SelectedIndex == 0)
{
decimal distance = Velocity_VDT.GetDistance(velocityEntry.Text, timeEntry.Text);
Result.Text = string.Format(AppResources.lblResultDistance, distance);
showHow.Text = string.Format(AppResources.velocity_VDT_distanceAnswer, distance, velocityEntry.Text, timeEntry.Text);
}
else if (calculateTo.SelectedIndex == 1)
{
decimal time = Velocity_VDT.GetTime(velocityEntry.Text, distanceEntry.Text);
Result.Text = string.Format(AppResources.lblResultTime, time);
showHow.Text = string.Format(AppResources.velocity_VDT_timeAnswer, time, distanceEntry.Text, velocityEntry.Text);
}
else
{
decimal velocity = Velocity_VDT.GetVelocity(distanceEntry.Text, timeEntry.Text);
Result.Text = string.Format(AppResources.lblResultVelocity, velocity);
showHow.Text = string.Format(AppResources.velocity_VDT_velocityAnswer, velocity, distanceEntry.Text, timeEntry.Text);
}
}
}
catch (FormatException j)
{
Alerts.InvalidInput(messageToUser: AppResources.errorFormatMessage);
}
catch (DivideByZeroException j)
{
Alerts.InvalidInput(messageToUser: AppResources.errorDivideByZeroMessage);
}
catch (Exception j)
{
Alerts.InvalidInput(messageToUser: j.Message);
}
}
public void VDT_Can_Calculate_Time()
{
var time = Velocity_VDT.GetTime("10", "100");
Assert.IsTrue(time == (decimal)10);
}
public void VDT_Can_Calculate_Distance()
{
var distance = Velocity_VDT.GetDistance("100", "10");
Assert.IsTrue(distance == (decimal)1000);
}
public void VDT_Can_Calculate_Velocity()
{
var velocity = Velocity_VDT.GetVelocity("100", "10");
Assert.IsTrue(velocity == (decimal)10);
}
