svoid test_fourPointRangeScore() {
  FourPointsRange range = new(0, 2, 3, 5);
  assertEqualsVerbose(0.0, fourPointRangeScore(-1, range));
  assertEqualsVerbose(0.0, fourPointRangeScore(0, range));
  assertEqualsVerbose(0.5, fourPointRangeScore(1, range));
  assertEqualsVerbose(1.0, fourPointRangeScore(2, range));
  assertEqualsVerbose(1.0, fourPointRangeScore(3, range));
  assertEqualsVerbose(0.5, fourPointRangeScore(4, range));
  assertEqualsVerbose(0.0, fourPointRangeScore(5, range));
  assertEqualsVerbose(0.0, fourPointRangeScore(6, range));
}