leap-second.js (580B)
1 // |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally 2 // Copyright (C) 2022 Igalia, S.L. All rights reserved. 3 // This code is governed by the BSD license found in the LICENSE file. 4 5 /*--- 6 esid: sec-temporal.instant.from 7 description: Leap second is a valid ISO string for Instant 8 features: [Temporal] 9 ---*/ 10 11 const arg = "2016-12-31T23:59:60Z"; 12 const result = Temporal.Instant.from(arg); 13 assert.sameValue( 14 result.epochNanoseconds, 15 1_483_228_799_000_000_000n, 16 "leap second is a valid ISO string for Instant" 17 ); 18 19 reportCompare(0, 0);