@Test public void testKeysSortedByValue() { OpenShortDoubleHashMap map = new OpenShortDoubleHashMap(); map.put((short) 11, (double) 22); map.put((short) 12, (double) 23); map.put((short) 13, (double) 24); map.put((short) 14, (double) 25); map.removeKey((short) 13); ShortArrayList keys = new ShortArrayList(); map.keysSortedByValue(keys); short[] keysArray = keys.toArray(new short[keys.size()]); assertArrayEquals(new short[] {11, 12, 14}, keysArray); }