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Temporal: Add coverage for adding large microseconds/nanoseconds values

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Add coverage for adding unbalanced durations with large microseconds
or nanoseconds values to a PlainDateTime or ZonedDateTime.
This commit is contained in:
Tim Chevalier 2025-10-29 16:38:21 -07:00 committed by Philip Chimento
parent c588df6367
commit 759fe87f1c
4 changed files with 76 additions and 0 deletions
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18
test/built-ins/Temporal/PlainDateTime/prototype/add/add-large-subseconds.js vendored Normal file
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// Copyright (C) 2025 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.add
description: Adding unbalanced durations with large subsecond values to a date
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const pdt = new Temporal.PlainDateTime(2020, 2, 29, 0, 57, 27, 747, 612, 578);
TemporalHelpers.assertPlainDateTime(pdt.add(Temporal.Duration.from({nanoseconds: Number.MAX_SAFE_INTEGER})),
2020, 6, "M06", 12, 6, 57, 27, 2, 353, 569);
TemporalHelpers.assertPlainDateTime(pdt.add(Temporal.Duration.from({microseconds: Number.MAX_SAFE_INTEGER})),
2305, 8, "M08", 4, 0, 45, 2, 488, 603, 578);
assert.throws(RangeError, () => pdt.add(Temporal.Duration.from({milliseconds: Number.MAX_SAFE_INTEGER})));
assert.throws(RangeError, () => pdt.add(Temporal.Duration.from({seconds: Number.MAX_SAFE_INTEGER})));

18
test/built-ins/Temporal/PlainDateTime/prototype/subtract/subtract-large-subseconds.js vendored Normal file
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// Copyright (C) 2025 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindatetime.prototype.subtract
description: Subtracting unbalanced durations with large subsecond values from a date
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const pdt = new Temporal.PlainDateTime(2020, 2, 29, 0, 57, 27, 747, 612, 578);
TemporalHelpers.assertPlainDateTime(pdt.subtract(Temporal.Duration.from({nanoseconds: Number.MAX_SAFE_INTEGER})),
2019, 11, "M11", 16, 18, 57, 28, 492, 871, 587);
TemporalHelpers.assertPlainDateTime(pdt.subtract(Temporal.Duration.from({microseconds: Number.MAX_SAFE_INTEGER})),
1734, 9, "M09", 26, 1, 9, 53, 6, 621, 578);
assert.throws(RangeError, () => pdt.subtract(Temporal.Duration.from({milliseconds: Number.MAX_SAFE_INTEGER})));
assert.throws(RangeError, () => pdt.subtract(Temporal.Duration.from({seconds: Number.MAX_SAFE_INTEGER})));

20
test/built-ins/Temporal/ZonedDateTime/prototype/add/add-large-subseconds.js vendored Normal file
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// Copyright (C) 2025 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.add
description: Adding unbalanced durations with large subsecond values to a date
includes: [temporalHelpers.js]
features: [Temporal]
---*/
// const pdt = new Temporal.PlainDateTime(2020, 2, 29, 0, 57, 27, 747, 612, 578);
const zdt = new Temporal.ZonedDateTime(1582966647747612578n, "America/Los_Angeles");
TemporalHelpers.assertZonedDateTimesEqual(zdt.add(Temporal.Duration.from({nanoseconds: Number.MAX_SAFE_INTEGER})),
new Temporal.ZonedDateTime(1591973847002353569n, "America/Los_Angeles"));
TemporalHelpers.assertZonedDateTimesEqual(zdt.add(Temporal.Duration.from({microseconds: Number.MAX_SAFE_INTEGER})),
new Temporal.ZonedDateTime(10590165902488603578n, "America/Los_Angeles"));
assert.throws(RangeError, () => zdt.add(Temporal.Duration.from({milliseconds: Number.MAX_SAFE_INTEGER})));
assert.throws(RangeError, () => zdt.add(Temporal.Duration.from({seconds: Number.MAX_SAFE_INTEGER})));

20
test/built-ins/Temporal/ZonedDateTime/prototype/subtract/subtract-large-subseconds.js vendored Normal file
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// Copyright (C) 2025 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.prototype.subtract
description: Subtracting unbalanced durations with large subsecond values from a date
includes: [temporalHelpers.js]
features: [Temporal]
---*/
// const pdt = new Temporal.PlainDateTime(2020, 2, 29, 0, 57, 27, 747, 612, 578);
const zdt = new Temporal.ZonedDateTime(1582966647747612578n, "America/Los_Angeles");
TemporalHelpers.assertZonedDateTimesEqual(zdt.subtract(Temporal.Duration.from({nanoseconds: Number.MAX_SAFE_INTEGER})),
new Temporal.ZonedDateTime(1573959448492871587n, "America/Los_Angeles"));
TemporalHelpers.assertZonedDateTimesEqual(zdt.subtract(Temporal.Duration.from({microseconds: Number.MAX_SAFE_INTEGER})),
new Temporal.ZonedDateTime(-7424232606993378422n, "America/Los_Angeles"));
assert.throws(RangeError, () => zdt.subtract(Temporal.Duration.from({milliseconds: Number.MAX_SAFE_INTEGER})));
assert.throws(RangeError, () => zdt.subtract(Temporal.Duration.from({seconds: Number.MAX_SAFE_INTEGER})));