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Temporal tests written for the SpiderMonkey implementation. Mostly covers edge cases around mathematical operations and regression tests for reported spec bugs.
69 lines
2.4 KiB
JavaScript
69 lines
2.4 KiB
JavaScript
// Copyright (C) 2022 André Bargull. 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.duration.compare
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description: >
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Duration components are precise mathematical integers.
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info: |
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Temporal.Duration.compare ( one, two [ , options ] )
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...
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7. If any of one.[[Years]], two.[[Years]], one.[[Months]], two.[[Months]], one.[[Weeks]], or
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two.[[Weeks]] are not 0, then
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a. Let unbalanceResult1 be ? UnbalanceDurationRelative(one.[[Years]], one.[[Months]],
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one.[[Weeks]], one.[[Days]], "day", relativeTo).
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...
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9. Let ns1 be ! TotalDurationNanoseconds(days1, one.[[Hours]], one.[[Minutes]], one.[[Seconds]],
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one.[[Milliseconds]], one.[[Microseconds]], one.[[Nanoseconds]], shift1).
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10. Let ns2 be ! TotalDurationNanoseconds(days2, two.[[Hours]], two.[[Minutes]], two.[[Seconds]],
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two.[[Milliseconds]], two.[[Microseconds]], two.[[Nanoseconds]], shift2).
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11. If ns1 > ns2, return 1𝔽.
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12. If ns1 < ns2, return -1𝔽.
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13. Return +0𝔽.
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UnbalanceDurationRelative ( years, months, weeks, days, largestUnit, relativeTo )
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...
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11. Else,
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a. If any of years, months, and weeks are not zero, then
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...
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iv. Repeat, while weeks ≠ 0,
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1. Let moveResult be ? MoveRelativeDate(calendar, relativeTo, oneWeek).
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2. Set relativeTo to moveResult.[[RelativeTo]].
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3. Set days to days + moveResult.[[Days]].
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4. Set weeks to weeks - sign.
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12. Return ? CreateDateDurationRecord(years, months, weeks, days).
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features: [Temporal]
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---*/
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var one = Temporal.Duration.from({
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days: Number.MAX_SAFE_INTEGER,
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weeks: 3,
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});
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var two = Temporal.Duration.from({
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days: Number.MAX_SAFE_INTEGER + 3,
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weeks: 0,
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});
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var cal = new class extends Temporal.Calendar {
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dateAdd(date, duration, options) {
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// Add one day when one week was requested.
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if (duration.toString() === "P1W") {
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return super.dateAdd(date, "P1D", options);
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}
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// Only expect to add one week.
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throw new Test262Error("dateAdd called with unexpected value");
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}
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}("iso8601");
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var pd = new Temporal.PlainDate(1970, 1, 1, cal);
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// |Number.MAX_SAFE_INTEGER + 1 + 1 + 1| is unequal to |Number.MAX_SAFE_INTEGER + 3|
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// when the addition is performed using IEEE-754 semantics. But for compare we have
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// to ensure exact mathematical computations are performed.
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assert.sameValue(Temporal.Duration.compare(one, two, {relativeTo: pd}), 0);
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