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  Test Case taDOM3/7-taDOM3-28-PA
taDOM3 Lock Requests of executed Operation getFirstChild(contextElementNode) returns null valueThe getFirstChild operation returns null because the context node CO does not have any child nodes.
Behavior specified with base operations:Read Set = CO COFCE COLCE , Write Set = - LockRequest[node=CO,lock:NR,PSE:-,NSE:-,FCE:ER,LCE:ER]
taDOM3 Lock Requests of checked Operation insertBefore(contextNode, siblingType, siblingValue) executed on node PAThe insertBefore operation is executed on the context element node CO and inserts a new previous sibling node before the context node CO. There does not exist a previous sibling, so the context element node was the first child of the parent node PA and the inserted new sibling node (the new first child of PA) is returned.
Bahavior specified with base operations:- readCO
- modifyCOPSE
- modifyPAFCE
Read and write sets for execution on PA:Read Set = PA , Write Set = - LockRequest[node=CO,lock:NR,PSE:EX,NSE:-,FCE:-,LCE:-] on PA
- LockRequest[node=PA,lock:CX,PSE:-,NSE:-,FCE:EX,LCE:-] on PA
Operations must be compatible| Check | Existing LockRequest[node=CO,lock:NR,PSE:-,NSE:-,FCE:ER,LCE:ER]
with
Requested LockRequest[node=CO,lock:NR,PSE:EX,NSE:-,FCE:-,LCE:-] on PA | Requested lock IR on AC compatible to existing lock IR.
Requested lock NR on PA compatible to existing lock IR.
| Compatible | | Check | Existing LockRequest[node=CO,lock:NR,PSE:-,NSE:-,FCE:ER,LCE:ER]
with
Requested LockRequest[node=PA,lock:CX,PSE:-,NSE:-,FCE:EX,LCE:-] on PA | Requested lock CX on AC compatible to existing lock IR.
| Compatible | | Test Case Ok |
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