mirror of https://github.com/tc39/test262.git
90 lines
2.1 KiB
JavaScript
90 lines
2.1 KiB
JavaScript
// Copyright 2016 Mozilla Corporation. All rights reserved.
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// This code is governed by the license found in the LICENSE file.
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/*---
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esid: sec-intl.getcanonicallocales
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description: Test Intl.getCanonicalLocales for step 5.
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info: |
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9.2.1 CanonicalizeLocaleList (locales)
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5. Let len be ? ToLength(? Get(O, "length")).
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includes: [compareArray.js]
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features: [Symbol]
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---*/
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var locales = {
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'0': 'en-US',
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};
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Object.defineProperty(locales, "length", {
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get: function() { throw new Test262Error() }
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});
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assert.throws(Test262Error, function() {
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Intl.getCanonicalLocales(locales);
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}, "should throw if locales.length throws");
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var locales = {
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'0': 'en-US',
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'1': 'pt-BR',
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};
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Object.defineProperty(locales, "length", {
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get: function() { return "1" }
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});
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assert(compareArray(Intl.getCanonicalLocales(locales), ['en-US']),
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"should return one element if locales.length is '1'");
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var locales = {
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'0': 'en-US',
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'1': 'pt-BR',
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};
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Object.defineProperty(locales, "length", {
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get: function() { return 1.3 }
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});
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assert(compareArray(Intl.getCanonicalLocales(locales), ['en-US']),
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"should return one element if locales.length is 1.3");
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var locales = {
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'0': 'en-US',
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'1': 'pt-BR',
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};
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Object.defineProperty(locales, "length", {
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get: function() { return Symbol("1.8") }
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});
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assert.throws(TypeError, function() {
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Intl.getCanonicalLocales(locales);
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}, "should throw if locales.length is a Symbol");
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var locales = {
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'0': 'en-US',
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'1': 'pt-BR',
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};
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Object.defineProperty(locales, "length", {
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get: function() { return -Infinity }
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});
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assert(compareArray(Intl.getCanonicalLocales(locales), []),
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"should return empty array if locales.length is -Infinity");
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var locales = {
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length: -Math.pow(2, 32) + 1
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};
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Object.defineProperty(locales, "0", {
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get: function() { throw new Error("must not be gotten!"); }
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})
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assert(compareArray(Intl.getCanonicalLocales(locales), []),
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"should return empty array if locales.length is a negative value");
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var count = 0;
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var locs = { get length() { if (count++ > 0) throw 42; return 0; } };
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var locales = Intl.getCanonicalLocales(locs); // shouldn't throw 42
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assert.sameValue(locales.length, 0);
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