static void t1(String nm, int n, Map s, Object[] key, int expect) {
    int sum = 0;
    int iters = 4;
    timer.start(nm, n * iters);
    for (int j = 0; j < iters; ++j) {
      for (int i = 0; i < n; i++) {
        if (s.get(key[i]) != null) {
          ++sum;
        }
      }
    }
    timer.finish();
    reallyAssert(sum == expect * iters);
  }
@test
@synopsis Times and checks basic map operations
geode-core/src/integrationTest/java/org/apache/geode/internal/util/concurrent/cm/MapCheckJUnitTest.java