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  Test Case taDOM3/28-taDOM3-7-PA
taDOM3 Lock Requests of executed Operation insertBefore(contextNode, siblingType, siblingValue) returns NodeThe 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.
Behavior specified with base operations:- readCO
- modifyCOPSE
- modifyPAFCE
Read Set = CO , Write Set = PAFCE COPSE - LockRequest[node=CO,lock:NR,PSE:EX,NSE:-,FCE:-,LCE:-]
- LockRequest[node=PA,lock:CX,PSE:-,NSE:-,FCE:EX,LCE:-]
taDOM3 Lock Requests of checked Operation getFirstChild(contextElementNode) executed on node PAThe getFirstChild operation returns null because the context node CO does not have any child nodes.
Bahavior specified with base operations:Read and write sets for execution on PA:Read Set = PA PAFCE PALCE , Write Set = - LockRequest[node=CO,lock:NR,PSE:-,NSE:-,FCE:ER,LCE:ER] on PA
Operations must be incompatible| Check | Existing LockRequest[node=CO,lock:NR,PSE:EX,NSE:-,FCE:-,LCE:-]
with
Requested LockRequest[node=CO,lock:NR,PSE:-,NSE:-,FCE:ER,LCE:ER] 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=PA,lock:CX,PSE:-,NSE:-,FCE:EX,LCE:-]
with
Requested LockRequest[node=CO,lock:NR,PSE:-,NSE:-,FCE:ER,LCE:ER] on PA | On PA the first child edge lock EX is incompatible to the requested ER
| Incompatible | | Test Case Ok |
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