BIND 10 #2054: make sure RBTree nodeFission() preserves the name of the original node

[BIND 10 Development]

#2054: make sure RBTree nodeFission() preserves the name of the original node
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                   Reporter:         |                 Owner:  UnAssigned
  jinmei                             |                Status:  reviewing
                       Type:         |             Milestone:
  defect                             |  Sprint-20120807
                   Priority:         |            Resolution:
  medium                             |             Sensitive:  0
                  Component:  data   |           Sub-Project:  DNS
  source                             |  Estimated Difficulty:  4
                   Keywords:         |           Total Hours:  0
            Defect Severity:  N/A    |
Feature Depending on Ticket:         |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Comment (by jinmei):

 Please make sure all subtle cases are covered by tests.

 This branch doesn't seem to have new tests, and I suspect we need
 some additional tests to cover all possible cases.

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Ticket URL: <https://bind10.isc.org/ticket/2054#comment:10>
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