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  Test Case taDOM3+/7-taDOM3+-24-NS
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 appendChild(contextElementNode, childType, childValue) executed on node NSThe appendChild operation is executed on the context element node CO and appends a new child. The context element node CO has still no child nodes before this operation. The CX resp. NRCX lock on the context node is caused by the SX lock on the new child.The new appended child node (the now only child) is returned.
Bahavior specified with base operations:- readCO
- modifyCOFCE
- modifyCOLCE
Read and write sets for execution on NS:Read Set = NS , Write Set = - LockRequest[node=CO,lock:NRCX,PSE:-,NSE:-,FCE:EX,LCE:EX] on NS
Operations must be compatible| Check | Existing LockRequest[node=CO,lock:NR,PSE:-,NSE:-,FCE:ER,LCE:ER]
with
Requested LockRequest[node=CO,lock:NRCX,PSE:-,NSE:-,FCE:EX,LCE:EX] on NS | Requested lock IX on AC compatible to existing lock IR.
Requested lock IX on PA compatible to existing lock IR.
| Compatible | | Test Case Ok |
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