public void Ctor(double amplify, double phase, double freq)
{
var roi = new Harmonic(amplify, phase, freq);
Assert.Equal(amplify, roi.Length);
Assert.Equal(freq, roi.Freq);
Assert.Equal(phase, roi.Phase);
Assert.Equal(amplify, roi.End.Y, 0);
Assert.Equal(0, roi.End.X, 0);
Assert.Null(roi.ParentHarmonic);
Assert.Null(roi.SubHarmonic);
Assert.Equal(new Point(0, 0), roi.Origin);
Assert.Single(roi.ListHarmonics());
}
