mirror of https://github.com/tc39/test262.git
73 lines
2.7 KiB
JavaScript
73 lines
2.7 KiB
JavaScript
// Copyright (C) 2020 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-intl.getcanonicallocales
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description: >
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Test Unicode extension subtag canonicalisation for the "tz" extension key.
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info: |
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8.2.1 Intl.getCanonicalLocales (locales)
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1. Let ll be ? CanonicalizeLocaleList(locales).
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2. Return CreateArrayFromList(ll).
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9.2.1 CanonicalizeLocaleList (locales)
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...
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7. Repeat, while k < len
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...
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c. If kPresent is true, then
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...
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v. If IsStructurallyValidLanguageTag(tag) is false, throw a RangeError exception.
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vi. Let canonicalizedTag be CanonicalizeUnicodeLocaleId(tag).
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...
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UTS 35, §3.2.1 Canonical Unicode Locale Identifiers
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Use the bcp47 data to replace keys, types, tfields, and tvalues by their canonical forms.
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See Section 3.6.4 U Extension Data Files) and Section 3.7.1 T Extension Data Files. The
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aliases are in the alias attribute value, while the canonical is in the name attribute value.
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includes: [testIntl.js]
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---*/
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// <key name="tz" [...] alias="timezone">
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const testData = {
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// Similar to the "ca" extension key, assume "preferred" holds the canonical
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// value and "name" the alias value.
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// <type name="cnckg" [...] deprecated="true" preferred="cnsha"/>
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"cnckg": "cnsha",
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// NB: "Eire" matches the |uvalue| production.
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// <type name="iedub" [...] alias="Europe/Dublin Eire"/>
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"eire": "iedub",
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// NB: "EST" matches the |uvalue| production.
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// <type name="utcw05" [...] alias="Etc/GMT+5 EST"/>
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"est": "utcw05",
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// NB: "GMT0" matches the |uvalue| production.
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// <type name="gmt" [...] alias="Etc/GMT Etc/GMT+0 Etc/GMT-0 Etc/GMT0 Etc/Greenwich GMT GMT+0 GMT-0 GMT0 Greenwich"/>
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"gmt0": "gmt",
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// NB: "UCT" matches the |uvalue| production.
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// <type name="utc" [...] alias="Etc/UTC Etc/UCT Etc/Universal Etc/Zulu UCT UTC Universal Zulu"/>
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"uct": "utc",
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// NB: "Zulu" matches the |uvalue| production.
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// <type name="utc" [...] alias="Etc/UTC Etc/UCT Etc/Universal Etc/Zulu UCT UTC Universal Zulu"/>
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"zulu": "utc",
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};
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for (let [alias, name] of Object.entries(testData)) {
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let tag = "und-u-tz-" + alias;
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let canonical = "und-u-tz-" + name;
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// Make sure the test data is correct.
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assert.sameValue(isCanonicalizedStructurallyValidLanguageTag(tag), false,
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"\"" + tag + "\" isn't a canonical language tag.");
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assert(isCanonicalizedStructurallyValidLanguageTag(canonical),
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"\"" + canonical + "\" is a canonical and structurally valid language tag.");
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let result = Intl.getCanonicalLocales(tag);
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assert.sameValue(result.length, 1);
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assert.sameValue(result[0], canonical);
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}
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