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  Test Case taDOM3+/26-taDOM3+-20-CO
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. 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 prepended child node (the now only child) is returned.
Behavior specified with base operations:- readCO
- modifyCOFCE
- modifyCOLCE
Read Set = CO , Write Set = COFCE COLCE - LockRequest[node=CO,lock:NRCX,PSE:-,NSE:-,FCE:EX,LCE:EX]
taDOM3+ Lock Requests of checked Operation setAttribute(contextElementNode, ctxAttrNameString, valueString) executed on node COThe setAttribute operation is executed on the context element node CO and sets a new value of the context attribute node CA. The named context attribute already exists and the operation returns the value node AS.
Bahavior specified with base operations:Read and write sets for execution on CO:Read Set = CO CA , Write Set = AS - LockRequest[node=CO,lock:NR,PSE:-,NSE:-,FCE:-,LCE:-] on CO
- LockRequest[node=CA,lock:NR,PSE:-,NSE:-,FCE:-,LCE:-] on CO
- LockRequest[node=AS,lock:NX,PSE:-,NSE:-,FCE:-,LCE:-] on CO
Operations must be compatible| Check | Existing LockRequest[node=CO,lock:NRCX,PSE:-,NSE:-,FCE:EX,LCE:EX]
with
Requested LockRequest[node=CO,lock:NR,PSE:-,NSE:-,FCE:-,LCE:-] on CO | Requested lock IR on AC compatible to existing lock IX.
Requested lock IR on PA compatible to existing lock IX.
Requested lock NR on CO compatible to existing lock NRCX.
| Compatible | | Check | Existing LockRequest[node=CO,lock:NRCX,PSE:-,NSE:-,FCE:EX,LCE:EX]
with
Requested LockRequest[node=CA,lock:NR,PSE:-,NSE:-,FCE:-,LCE:-] on CO | 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:EX]
with
Requested LockRequest[node=AS,lock:NX,PSE:-,NSE:-,FCE:-,LCE:-] on CO | Requested lock IX on AC compatible to existing lock IX.
Requested lock IX on PA compatible to existing lock IX.
Requested lock IX on CO compatible to existing lock NRCX.
| Compatible | | Test Case Ok |
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