mirror of https://github.com/tc39/test262.git
68 lines
1.6 KiB
JavaScript
68 lines
1.6 KiB
JavaScript
// Copyright (C) 2019 Leo Balter. 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.DisplayNames
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description: >
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Return abrupt completion from GetOption localeMatcher
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info: |
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Intl.DisplayNames ([ locales [ , options ]])
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1. If NewTarget is undefined, throw a TypeError exception.
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2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%",
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« [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »).
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...
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4. If options is undefined, then
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a. Let options be ObjectCreate(null).
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5. Else
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a. Let options be ? ToObject(options).
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...
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8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit").
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GetOption ( options, property, type, values, fallback )
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1. Let value be ? Get(options, property).
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...
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features: [Intl.DisplayNames, Symbol]
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locale: [en]
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---*/
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var options = {
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localeMatcher: {
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toString() {
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throw new Test262Error();
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}
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}
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};
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assert.throws(Test262Error, () => {
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new Intl.DisplayNames('en', options);
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}, 'from toString');
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options.localeMatcher = {
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toString: undefined,
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valueOf() {
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throw new Test262Error();
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}
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};
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assert.throws(Test262Error, () => {
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new Intl.DisplayNames('en', options);
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}, 'from valueOf');
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options.localeMatcher = {
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[Symbol.toPrimitive]() {
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throw new Test262Error();
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}
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};
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assert.throws(Test262Error, () => {
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new Intl.DisplayNames('en', options);
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}, 'from ToPrimitive');
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options.localeMatcher = Symbol();
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assert.throws(TypeError, () => {
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new Intl.DisplayNames('en', options);
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}, 'symbol value');
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