static void t9(Map s) {
    int sum = 0;
    int iters = 20;
    timer.start("ContainsValue (/n)     ", iters * s.size());
    int step = absentSize / iters;
    for (int i = 0; i < absentSize; i += step) {
      if (s.containsValue(absent[i])) {
        ++sum;
      }
    }
    timer.finish();
    reallyAssert(sum != 0);
  }
@test
@synopsis Times and checks basic map operations
geode-core/src/integrationTest/java/org/apache/geode/internal/util/concurrent/cm/IntMapCheckJUnitTest.java