static void entest3(Hashtable ht, int size) {
    int sum = 0;

    timer.start("Iterf Enumeration Key  ", size);
    Enumeration en = ht.keys();
    for (int i = 0; i < size; ++i) {
      if (en.nextElement() != MISSING) {
        ++sum;
      }
    }
    timer.finish();
    reallyAssert(sum == size);
  }
@test
@synopsis Times and checks basic map operations
geode-core/src/integrationTest/java/org/apache/geode/internal/util/concurrent/cm/IntMapCheckJUnitTest.java