private void addEntries(int opLogNum, int valueSize) {
    assertNotNull(region);
    byte[] val = new byte[valueSize];
    for (int i = 0; i < valueSize; ++i) {
      val[i] = (byte) i;
    }

    // Creating opLog1
    if (opLogNum == 1) {
      for (int i = 1; i < 4; i++) {
        // create 3 entries
        region.create(i, val);

      }
      // destroy Entry 1 and 2
      region.destroy(1);
      region.destroy(2);
    }

    else if (opLogNum == 2) {
      // update Entry 3
      region.put(3, val);

    }

    else if (opLogNum == 3) {
      // update Entry 3
      region.put(3, val);

    }

    else if (opLogNum == 4) {
      // update Entry 3
      region.put(3, val);
    }
  }
The test will verify <br>
1. Multiple oplogs are being rolled at once 2. The Number of entries are properly conflated
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/MultipleOplogsRollingFeatureJUnitTest.java