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12f919e45d
Similar to the previous commit with property bags, many existing tests use a Proxy to test the order of observable operations which involve user code passed in as part of a Temporal.TimeZone object. I am going to write several more tests that do this, as well. This seems like a good thing to put into TemporalHelpers, where it can be implemented consistently so that we don't get discrepancies in which operations are tracked. Updates existing tests to use this helper.
53 lines
1.6 KiB
JavaScript
53 lines
1.6 KiB
JavaScript
// Copyright (C) 2020 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.now.plaindatetimeiso
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description: Observable interactions with the provided timezone-like object
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includes: [compareArray.js, temporalHelpers.js]
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features: [BigInt, Proxy, Temporal]
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---*/
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const actual = [];
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const expected = [
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'has timeZone.timeZone',
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'get timeZone.timeZone',
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'has nestedTimeZone.timeZone',
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'get nestedTimeZone.getOffsetNanosecondsFor',
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'call nestedTimeZone.getOffsetNanosecondsFor'
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];
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const nestedTimeZone = TemporalHelpers.timeZoneObserver(actual, "nestedTimeZone", {
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getOffsetNanosecondsFor(instant) {
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assert.sameValue(
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instant instanceof Temporal.Instant,
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true,
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'The result of evaluating (instant instanceof Temporal.Instant) is expected to be true'
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);
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return -Number(instant.epochNanoseconds % 86400000000000n);
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}
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});
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const timeZone = TemporalHelpers.timeZoneObserver(actual, "timeZone", {
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getOffsetNanosecondsFor(instant) {
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assert.sameValue(
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instant instanceof Temporal.Instant,
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true,
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'The result of evaluating (instant instanceof Temporal.Instant) is expected to be true'
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);
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return -Number(instant.epochNanoseconds % 86400000000000n);
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}
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});
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timeZone.timeZone = nestedTimeZone;
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Object.defineProperty(Temporal.TimeZone, 'from', {
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get() {
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actual.push('get Temporal.TimeZone.from');
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return undefined;
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}
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});
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Temporal.Now.plainDateTimeISO(timeZone);
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assert.compareArray(actual, expected, 'The value of actual is expected to equal the value of expected');
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