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  Test Case taDOM3/7-taDOM3-25-AC
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 prependChild(contextElementNode, childType, childValue) executed on node ACThe 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.
Bahavior specified with base operations:- readCO
- modifyCOFCE
- modifyFCPSE
Read and write sets for execution on AC:Read Set = AC , Write Set = - LockRequest[node=CO,lock:NRCX,PSE:-,NSE:-,FCE:EX,LCE:-] on AC
- LockRequest[node=FC,lock:-,PSE:EX,NSE:-,FCE:-,LCE:-] on AC
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:-] on AC | Requested lock NRCX on AC compatible to existing lock IR.
| Compatible | | Check | Existing LockRequest[node=CO,lock:NR,PSE:-,NSE:-,FCE:ER,LCE:ER]
with
Requested LockRequest[node=FC,lock:-,PSE:EX,NSE:-,FCE:-,LCE:-] on AC | | Compatible | | Test Case Ok |
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