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  Test Case taDOM3/25-taDOM3-28-LC
taDOM3 Lock Requests of executed Operation prependChild(contextElementNode, childType, childValue) returns NodeThe prependChild operation is executed on the context element node CO and prepends a new child to the (at least one) already existing child nodes. The CX lock on the context node is caused by the SX lock on the new child. The new prepended child node (the new first child) is returned.
Behavior specified with base operations:- readCO
- modifyCOFCE
- modifyFCPSE
Read Set = CO , Write Set = COFCE FCPSE - LockRequest[node=CO,lock:NRCX,PSE:-,NSE:-,FCE:EX,LCE:-]
- LockRequest[node=FC,lock:-,PSE:EX,NSE:-,FCE:-,LCE:-]
taDOM3 Lock Requests of checked Operation insertBefore(contextNode, siblingType, siblingValue) executed on node LCThe 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 LC:Read Set = LC , Write Set = COFCE LCPSE - LockRequest[node=CO,lock:NR,PSE:EX,NSE:-,FCE:-,LCE:-] on LC
- LockRequest[node=PA,lock:CX,PSE:-,NSE:-,FCE:EX,LCE:-] on LC
Operations must be incompatible| Check | Existing LockRequest[node=CO,lock:NRCX,PSE:-,NSE:-,FCE:EX,LCE:-]
with
Requested LockRequest[node=CO,lock:NR,PSE:EX,NSE:-,FCE:-,LCE:-] on LC | Requested lock IR on AC compatible to existing lock IX.
Requested lock IR on PA compatible to existing lock IX.
Requested lock IR on CO compatible to existing lock NRCX.
| Compatible | | Check | Existing LockRequest[node=CO,lock:NRCX,PSE:-,NSE:-,FCE:EX,LCE:-]
with
Requested LockRequest[node=PA,lock:CX,PSE:-,NSE:-,FCE:EX,LCE:-] on LC | On CO the first child edge lock EX is incompatible to the requested EX
| Incompatible | | Check | Existing LockRequest[node=FC,lock:-,PSE:EX,NSE:-,FCE:-,LCE:-]
with
Requested LockRequest[node=CO,lock:NR,PSE:EX,NSE:-,FCE:-,LCE:-] on LC | | Compatible | | Check | Existing LockRequest[node=FC,lock:-,PSE:EX,NSE:-,FCE:-,LCE:-]
with
Requested LockRequest[node=PA,lock:CX,PSE:-,NSE:-,FCE:EX,LCE:-] on LC | | Compatible | | Test Case Ok |
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