Temporal: Test Duration.prototype.{round,total} with zoned property bags -> out-of-epoch-range - #5107
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…ration round/total A relativeTo property bag with a time zone yields a [[ZonedRelativeTo]] just as a Temporal.ZonedDateTime or a zoned ISO string does, so the epoch limits apply to it identically. The existing large-time-component tests cover the ZonedDateTime and PlainDate spellings only, and the property bag spelling was uncovered when rounding to a time unit. Verified against V8 (node --harmony-temporal), which passes both tests. Found via a JS-independent implementation that returned a result instead of throwing for these inputs. LLM disclosure: these were drafted with an LLM, then checked against the spec text for GetTemporalRelativeToOption, the test262 linter, and V8.
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While working on increasing coverage of my PHP port of Temporal, my agent (Claude Code) encountered a gap in this test suite: calling
roundortotalon out-of-epoch-rangeDurations is never tested with zoned property bags. This adds those tests. The tests were AI-generated.V8 passes both new tests.