565c4fee1d
Implement the ECMA402 localeMatcher: "best fit" option by using ICU LocaleMatcher API. Bug: v8:7051 Change-Id: I3d7c1ee39a5c649a5f500429f2b41329346a1a78 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1943050 Reviewed-by: Jakob Kummerow <jkummerow@chromium.org> Commit-Queue: Frank Tang <ftang@chromium.org> Cr-Commit-Position: refs/heads/master@{#65507}
102 lines
3.7 KiB
JavaScript
102 lines
3.7 KiB
JavaScript
// Copyright 2013 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Tests supportedLocalesOf method.
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// Flags: --harmony-intl-segmenter
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var services = [
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Intl.Collator,
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Intl.DateTimeFormat,
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Intl.NumberFormat,
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Intl.ListFormat,
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Intl.PluralRules,
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Intl.RelativeTimeFormat,
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Intl.Segmenter,
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Intl.v8BreakIterator,
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];
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for (const service of services) {
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let undef = service.supportedLocalesOf();
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assertEquals([], undef);
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let empty = service.supportedLocalesOf([]);
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assertEquals([], empty);
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let strLocale = service.supportedLocalesOf("sr");
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assertEquals("sr", strLocale[0]);
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var locales = ["sr-Thai-RS", "de", "zh-CN"];
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let multiLocale = service.supportedLocalesOf(
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locales, {localeMatcher: "lookup"});
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assertEquals("sr-Thai-RS", multiLocale[0]);
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assertEquals("de", multiLocale[1]);
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assertEquals("zh-CN", multiLocale[2]);
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let numLocale = service.supportedLocalesOf(1);
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assertEquals([], numLocale);
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assertThrows(function() {
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numLocale = Intl.Collator.supportedLocalesOf([1]);
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}, TypeError);
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extensionLocale = service.supportedLocalesOf("id-u-co-pinyin");
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assertEquals("id-u-co-pinyin", extensionLocale[0]);
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bestFitLocale = service.supportedLocalesOf("de", {
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localeMatcher: "best fit"
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});
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assertEquals("de", bestFitLocale[0]);
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// Need a better test for "lookup" once it differs from "best fit".
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lookupLocale = service.supportedLocalesOf("zh-CN", {
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localeMatcher: "lookup"
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});
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assertEquals("zh-CN", lookupLocale[0]);
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assertThrows(function() {
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service.supportedLocalesOf("id-u-co-pinyin", { localeMatcher: "xyz" });
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}, RangeError);
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privateuseLocale = service.supportedLocalesOf("en-US-x-twain");
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assertEquals("en-US-x-twain", privateuseLocale[0]);
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assertThrows(() => service.supportedLocalesOf("x-twain"), RangeError);
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if (service != Intl.PluralRules) {
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grandfatheredLocale = service.supportedLocalesOf("art-lojban");
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assertEquals(undefined, grandfatheredLocale[0]);
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}
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assertThrows(() => service.supportedLocalesOf("x-pwn"), RangeError);
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unicodeInPrivateuseLocale = service.supportedLocalesOf(
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"en-US-x-u-co-phonebk"
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);
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assertEquals("en-US-x-u-co-phonebk", unicodeInPrivateuseLocale[0]);
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}
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