|  |  |    Test Case taDOM3+/7-taDOM3+-10-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 getChildNodes(contextElementNode) executed on node ACThe getChildNodes operation returns a node list with all child nodes of the context node CO.
 Bahavior specified with base operations:readCOreadFCreadCHreadLCuseCOFCEuseCOLCEuseFCPSEuseFCNSEuseCHPSEuseCHNSEuseLCPSEuseLCNSE
 Read and write sets for execution on AC:Read Set = AC PA , Write Set =LockRequest[node=CO,lock:LR,PSE:-,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:LR,PSE:-,NSE:-,FCE:-,LCE:-] on AC
 | Requested lock LR on AC compatible to existing lock IR. 
 | Compatible |  | Test Case Ok | 
 
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