private void doPRNoLRUDeltaTest(boolean shouldSizeChange) {
    Host host = Host.getHost(0);
    VM vm0 = host.getVM(0);
    VM vm1 = host.getVM(1);

    setDeltaRecalculatesSize(vm0, shouldSizeChange);
    setDeltaRecalculatesSize(vm1, shouldSizeChange);

    createPR(vm0, false);
    createPR(vm1, false);
    TestDelta delta1 = new TestDelta(false, "12345");
    put(vm0, "a", delta1);
    long origPRSize0 = getSizeFromPRStats(vm0);
    long origPRSize1 = getSizeFromPRStats(vm1);
    delta1.info = "1234567890";
    delta1.hasDelta = true;
    // Update the delta
    put(vm0, "a", delta1);


    long finalPRSize0 = getSizeFromPRStats(vm0);
    long finalPRSize1 = getSizeFromPRStats(vm1);
    if (shouldSizeChange) {
      // I'm not sure what the change in size should be, because we went
      // from serialized to deserialized
      assertTrue(finalPRSize0 - origPRSize0 != 0);
      assertTrue(finalPRSize1 - origPRSize1 != 0);
    } else {
      assertEquals(0, finalPRSize0 - origPRSize0);
      assertEquals(0, finalPRSize1 - origPRSize1);
    }
  }
A test of the when we will use the object sizer to determine the actual size of objects wrapped
in CacheDeserializables.



TODO - I was intending to add tests that have an index and object sizer, but it appears we don't
support indexes on regions with overflow to disk.
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/SizingFlagDUnitTest.java