ResourceCalculator { public abstract boolean fitsIn(Resource smaller, Resource bigger);  abstract int compare(
      Resource clusterResource, Resource lhs, Resource rhs, boolean singleType); int compare(Resource clusterResource, Resource lhs, Resource rhs); static int divideAndCeil(int a, int b); static int divideAndCeil(int a, float b); static long divideAndCeil(long a, long b); static long divideAndCeil(long a, float b); static float divideSafelyAsFloat(long lhs, long rhs); static int roundUp(int a, int b); static long roundUp(long a, long b); static long roundDown(long a, long b); static int roundDown(int a, int b); abstract long computeAvailableContainers(
      Resource available, Resource required); abstract Resource multiplyAndNormalizeUp(
      Resource r, double by, Resource stepFactor); abstract Resource multiplyAndNormalizeUp(
      Resource r, double[] by, Resource stepFactor); abstract Resource multiplyAndNormalizeDown(
      Resource r, double by, Resource stepFactor); abstract Resource normalize(Resource r, Resource minimumResource,
      Resource maximumResource, Resource stepFactor); abstract Resource roundUp(Resource r, Resource stepFactor); abstract Resource roundDown(Resource r, Resource stepFactor); abstract float divide(
      Resource clusterResource, Resource numerator, Resource denominator); abstract boolean isInvalidDivisor(Resource r); abstract float ratio(Resource a, Resource b); abstract Resource divideAndCeil(Resource numerator, int denominator); abstract Resource divideAndCeil(Resource numerator, float denominator); abstract boolean fitsIn(Resource smaller, Resource bigger); abstract boolean isAnyMajorResourceZeroOrNegative(Resource resource); abstract Resource normalizeDown(Resource r, Resource stepFactor); abstract boolean isAnyMajorResourceAboveZero(Resource resource); abstract Set<String> getInsufficientResourceNames(Resource required,
      Resource available);  }
@Test(timeout = 10000) public void testFitsIn() { if (resourceCalculator instanceof DefaultResourceCalculator) { Assert.assertTrue(resourceCalculator.fitsIn( Resource.newInstance(1, 2), Resource.newInstance(2, 1))); Assert.assertTrue(resourceCalculator.fitsIn( Resource.newInstance(1, 2), Resource.newInstance(2, 2))); Assert.assertTrue(resourceCalculator.fitsIn( Resource.newInstance(1, 2), Resource.newInstance(1, 2))); Assert.assertTrue(resourceCalculator.fitsIn( Resource.newInstance(1, 2), Resource.newInstance(1, 1))); Assert.assertFalse(resourceCalculator.fitsIn( Resource.newInstance(2, 1), Resource.newInstance(1, 2))); } else if (resourceCalculator instanceof DominantResourceCalculator) { Assert.assertFalse(resourceCalculator.fitsIn( Resource.newInstance(1, 2), Resource.newInstance(2, 1))); Assert.assertTrue(resourceCalculator.fitsIn( Resource.newInstance(1, 2), Resource.newInstance(2, 2))); Assert.assertTrue(resourceCalculator.fitsIn( Resource.newInstance(1, 2), Resource.newInstance(1, 2))); Assert.assertFalse(resourceCalculator.fitsIn( Resource.newInstance(1, 2), Resource.newInstance(1, 1))); Assert.assertFalse(resourceCalculator.fitsIn( Resource.newInstance(2, 1), Resource.newInstance(1, 2))); } }