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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.
20 lines
602 B
JavaScript
20 lines
602 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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esid: sec-temporal.instant.compare
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description: Negative zero, as an extended year, fails
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features: [Temporal]
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---*/
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const instance = new Temporal.Instant(0n);
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const bad = '-000000-03-30T00:45Z';
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assert.throws(RangeError,
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() => Temporal.Instant.compare(bad, instance),
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"minus zero is invalid extended year (first argument)");
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assert.throws(RangeError,
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() => Temporal.Instant.compare(instance, bad),
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"minus zero is invalid extended year (second argument)"
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);
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