100644 blob c22a471c9812f7163ea651709f9085838f5f9898	MapOperatorTest.java
100644 blob 657486b092416ab581053595aaac53007b7217d0	ReduceOperatorTest.java
100644 blob 5f222ef414d2d975ee1dec7fd9a4175220b6047a	WordCountMRApplicationTest.java