internal FileInputFormatForTest(TestMRCJCFileInputFormat _enclosing, long length,
                                 long splitSize)
 {
     this._enclosing = _enclosing;
     this.length     = length;
     this.splitSize  = splitSize;
 }
 internal DummyFileInputFormat(TestMRCJCFileInputFormat _enclosing)
 {
     this._enclosing = _enclosing;
 }