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// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plainyearmonth.prototype.since
description: Since observes symmetry with until
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const nov94 = new Temporal.PlainYearMonth(1994, 11);
const jun13 = new Temporal.PlainYearMonth(2013, 6);
const diff = jun13.since(nov94);
TemporalHelpers.assertDurationsEqual(diff, nov94.until(jun13), 'Since is inverse of until');
reportCompare(0, 0);
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