public void Test_GetBitmapBytes_IsValidPng() { string outputFilePath = Path.GetFullPath("imageBytes.png"); var plt = new ScottPlot.Plot(321, 123); plt.AddSignal(ScottPlot.DataGen.Sin(51)); plt.AddSignal(ScottPlot.DataGen.Cos(51)); byte[] bytes = plt.GetImageBytes(); File.WriteAllBytes(outputFilePath, bytes); var bmp = new System.Drawing.Bitmap(outputFilePath); Assert.AreEqual(plt.Width, bmp.Width); Assert.AreEqual(plt.Height, bmp.Height); }