// We're mainly testing the "last 7 bits"
svoid testImage2B() {
  for (int w = 1; w <= 16; w++) {
    print("Testing width " + w);
    repeat 100 {
      int threshold = random(257);
      var img = randomBWImage(w, 1);
      var binaryImage = new Image2B(img, threshold);
      verifyImage2B(img, binaryImage, threshold);
    }
  }
}