public void WorkUnit_GetFrame_ReturnsNullIfRequestedIdDoesNotExist_Test()
{
// Arrange
var workUnit = new WorkUnit();
// Act & Assert
Assert.IsNull(workUnit.GetFrame(0));
}
public void WorkUnit_GetFrame_ReturnsObjectIfRequestedIdExists_Test()
{
// Arrange
var workUnit = new WorkUnit();
var frames = new Dictionary <int, LogLineFrameData>().With(new LogLineFrameData {
ID = 0
});
workUnit.Frames = frames;
// Act & Assert
Assert.IsNotNull(workUnit.GetFrame(0));
}
/// <summary>
/// Get the average duration over the specified number of most recent frames
/// </summary>
/// <param name="numberOfFrames">Number of most recent frames</param>
private int GetDurationInSeconds(int numberOfFrames)
{
// the numberOfFrames must be 1 or greater
// if CurrentFrame is null then no frames have been captured yet
if (numberOfFrames < 1 || WorkUnit.CurrentFrame == null)
{
return(0);
}
// init return value
int averageSeconds = 0;
// Make sure we only add frame durations greater than a Zero TimeSpan
// The first frame will always have a Zero TimeSpan for frame duration
// we don't want to take this frame into account when calculating 'AllFrames'
TimeSpan totalTime = TimeSpan.Zero;
int countFrames = 0;
int frameId = WorkUnit.CurrentFrame.ID;
for (int i = 0; i < numberOfFrames; i++)
{
var frame = WorkUnit.GetFrame(frameId);
if (frame != null && frame.Duration > TimeSpan.Zero)
{
totalTime = totalTime.Add(frame.Duration);
countFrames++;
}
frameId--;
}
if (countFrames > 0)
{
averageSeconds = Convert.ToInt32(totalTime.TotalSeconds) / countFrames;
}
return(averageSeconds);
}