svoid test_cyclicDistance() {
  assertEqualsVerbose(cyclicDistance(40, 50, 360), 10);
  assertEqualsVerbose(cyclicDistance(50, 40, 360), 10);
  assertEqualsVerbose(cyclicDistance(10, 350, 360), 20);
  assertEqualsVerbose(cyclicDistance(350, 10, 360), 20);
}