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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /js/src/tests/test262/built-ins/Temporal/ZonedDateTime/prototype/round/smallest-unit-day-rounding-modes.js
parentInitial commit. (diff)
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Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/js/src/tests/test262/built-ins/Temporal/ZonedDateTime/prototype/round/smallest-unit-day-rounding-modes.js b/js/src/tests/test262/built-ins/Temporal/ZonedDateTime/prototype/round/smallest-unit-day-rounding-modes.js
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+++ b/js/src/tests/test262/built-ins/Temporal/ZonedDateTime/prototype/round/smallest-unit-day-rounding-modes.js
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+// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
+// Copyright (C) 2022 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-temporal.zoneddatetime.prototype.round
+description: >
+ Round smallestUnit "day" with various rounding modes.
+info: |
+ Temporal.ZonedDateTime.prototype.round ( roundTo )
+ ...
+ 18. Let dayLengthNs be ℝ(endNs - startNs).
+ ...
+ 20. Let roundResult be ! RoundISODateTime(temporalDateTime.[[ISOYear]],
+ temporalDateTime.[[ISOMonth]], temporalDateTime.[[ISODay]], temporalDateTime.[[ISOHour]],
+ temporalDateTime.[[ISOMinute]], temporalDateTime.[[ISOSecond]],
+ temporalDateTime.[[ISOMillisecond]], temporalDateTime.[[ISOMicrosecond]],
+ temporalDateTime.[[ISONanosecond]], roundingIncrement, smallestUnit, roundingMode,
+ dayLengthNs).
+ ...
+
+ RoundISODateTime ( year, month, day, hour, minute, second, millisecond, microsecond, nanosecond,
+ increment, unit, roundingMode [ , dayLength ] )
+ ...
+ 4. Let roundedTime be ! RoundTime(hour, minute, second, millisecond, microsecond, nanosecond,
+ increment, unit, roundingMode, dayLength).
+ ...
+
+ RoundTime ( hour, minute, second, millisecond, microsecond, nanosecond, increment, unit,
+ roundingMode [ , dayLengthNs ] )
+ ...
+ 4. If unit is "day", then
+ ...
+ b. Let quantity be (((((hour × 60 + minute) × 60 + second) × 1000 + millisecond) × 1000 +
+ microsecond) × 1000 + nanosecond) / dayLengthNs.
+ ...
+features: [Temporal]
+---*/
+
+class TimeZone extends Temporal.TimeZone {
+ #count = 0;
+ #nanoseconds;
+
+ constructor(nanoseconds) {
+ super("UTC");
+ this.#nanoseconds = nanoseconds;
+ }
+ getPossibleInstantsFor(dateTime) {
+ if (++this.#count === 2) {
+ return [new Temporal.Instant(this.#nanoseconds)];
+ }
+ return super.getPossibleInstantsFor(dateTime);
+ }
+}
+
+function test(epochNanoseconds, tomorrowEpochNanoseconds, testCases) {
+ for (let [roundingMode, expected] of Object.entries(testCases)) {
+ let timeZone = new TimeZone(tomorrowEpochNanoseconds);
+ let zoned = new Temporal.ZonedDateTime(epochNanoseconds, timeZone);
+ let result = zoned.round({ smallestUnit: "days", roundingMode });
+ assert.sameValue(result.epochNanoseconds, expected);
+ }
+}
+
+const oneDay = 24n * 60n * 60n * 1000n * 1000n * 1000n;
+
+// Test positive divisor (dayLengthNs).
+test(3n, 10n, {
+ ceil: oneDay,
+ floor: 0n,
+ trunc: 0n,
+ halfExpand: 0n,
+});
+
+test(-3n, 10n, {
+ ceil: 0n,
+ floor: -oneDay,
+ trunc: -oneDay,
+ halfExpand: 0n,
+});
+
+test(-3n, -10n, {
+ ceil: oneDay,
+ floor: 0n,
+ trunc: 0n,
+ halfExpand: 0n,
+});
+
+// Test values at int64 boundaries.
+test(3n, /*INT64_MAX=*/ 9223372036854775807n, {
+ ceil: oneDay,
+ floor: 0n,
+ trunc: 0n,
+ halfExpand: 0n,
+});
+
+reportCompare(0, 0);