Shared ground
The passage presents a tightly controlled transfer of power inside the temple complex. Jehoiada (the priest) directs the operation, and the captains and guards carry it out exactly as ordered. The security plan is explicit: an armed ring is formed around the king, it stays with him in movement (“going out” and “coming in”), and anyone who breaks into the formation is to be killed.
The text also ties the enthronement to Israel’s older royal story. Weapons identified as David’s are brought out from storage in the LORD’s house and placed in the hands of the captains and guards. Then the “king’s son” is publicly presented, crowned, given “the testimony,” anointed, and acclaimed.
Where interpretation differs
Two details invite more than one reasonable reading.
First, “the testimony” could mean a written covenant document or law text associated with the king’s obligations, or it could mean some other official witness/token used in royal ceremonies. In either case, the narrative treats it as an important element of making him king, not an optional accessory.
Second, David’s spears and shields may be mainly practical equipment for the guards, mainly a symbol of continuity with the Davidic dynasty, or both at once. The story’s wording supports the idea that the weapons help defend the enthronement while also signaling legitimacy.
Why the disagreement exists
The passage does not explain what “the testimony” is, and it also does not say how old David’s weapons are, how often they were used, or whether their main value is symbolic. Readers therefore infer meaning by comparing other biblical uses of “testimony” and by weighing how political symbolism works in a coup narrative.
What this passage clearly contributes
Explicitly, it shows a ruler being installed through coordinated security, obedience to leadership, and use of temple resources. It highlights the temple as a controlled, organized space capable of storing weapons and staging a public enthronement. It also portrays royal legitimacy as something publicly recognized (crown, anointing, acclamation) and connected to an authoritative standard (“the testimony”) rather than only to force. 2 Kings 11:12 is the narrative climax of this unit: the hidden heir becomes the publicly acknowledged king under protection.