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https://github.com/tc39/proposal-temporal/issues/1753 records the consensus reached at the October 2021 TC39 meeting to disallow "-000000" as an extended year, both in Date.parse and Temporal. This adds tests for the Temporal part of that.
24 lines
621 B
JavaScript
24 lines
621 B
JavaScript
// Copyright (C) 2022 Igalia, S.L. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: Negative zero, as an extended year, fails
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esid: sec-temporal.plainyearmonth.compare
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features: [Temporal]
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---*/
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const ok = new Temporal.PlainYearMonth(2000, 5);
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const bad = "-000000-06";
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assert.throws(
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RangeError,
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() => Temporal.PlainYearMonth.compare(bad, ok),
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"Cannot use minus zero as extended year (first argument)"
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);
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assert.throws(
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RangeError,
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() => Temporal.PlainYearMonth.compare(ok, bad),
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"Cannot use minus zero as extended year (second argument)"
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);
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