### Question:
MemoryPoolDataProvider { public static long getUsedHeapAfterGC() { return getMemory(MemoryType.HEAP, afterGCCollection); }  static long getHeapMemory(); static long getUsedHeapAfterGC(); static long getNativeMemory();  }### Answer:
@Test public void testGetUsedHeapAfterGC() { long usedHeap = MemoryPoolDataProvider.getHeapMemory(); assertTrue("Should get a real value for used heap memory", usedHeap > 0); }