| // Copyright 2018 Igalia, S.L. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-intl.locale |
| description: > |
| Checks error cases for the string conversion of the locale argument to the |
| Locale constructor. |
| info: | |
| Intl.Locale( tag [, options] ) |
| |
| ... |
| 8. If Type(tag) is Object and tag has an [[InitializedLocale]] internal slot, then |
| 9. Else, |
| a. Let tag be ? ToString(tag). |
| features: [Intl.Locale] |
| ---*/ |
| |
| function CustomError() {} |
| function WrongCustomError() {} |
| |
| const errors = [ |
| { get [Symbol.toPrimitive]() { throw new CustomError(); } }, |
| { [Symbol.toPrimitive](hint) { assert.sameValue(hint, "string"); throw new CustomError(); } }, |
| { get toString() { throw new CustomError(); }, get valueOf() { throw new WrongCustomError(); } }, |
| { toString() { throw new CustomError(); }, get valueOf() { throw new WrongCustomError(); } }, |
| { toString: undefined, get valueOf() { throw new CustomError(); } }, |
| { toString: undefined, valueOf() { throw new CustomError(); } }, |
| { toString() { return {} }, get valueOf() { throw new CustomError(); } }, |
| { toString() { return {} }, valueOf() { throw new CustomError(); } }, |
| ]; |
| |
| for (const input of errors) { |
| assert.throws(CustomError, function() { |
| new Intl.Locale(input); |
| }); |
| } |