| // Copyright (C) 2022 Igalia, S.L. All rights reserved. | |
| // This code is governed by the BSD license found in the LICENSE file. | |
| /*--- | |
| esid: sec-temporal.plainyearmonth.prototype.with | |
| description: TypeError thrown when argument doesn't contain any of the supported properties | |
| features: [Temporal] | |
| ---*/ | |
| const ym = Temporal.PlainYearMonth.from("2019-10"); | |
| assert.throws(TypeError, () => ym.with({}), "No properties"); | |
| assert.throws(TypeError, () => ym.with({ months: 12 }), "Only plural 'months' property"); |