constructor-options-casefirst-valid.js (2199B)
1 // Copyright 2018 Igalia, S.L. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 esid: sec-intl.locale 6 description: > 7 Checks valid cases for the options argument to the Locale constructor. 8 info: | 9 Intl.Locale( tag [, options] ) 10 11 ... 12 22. Let kf be ? GetOption(options, "caseFirst", "string", « "upper", "lower", "false" », undefined). 13 23. Set opt.[[kf]] to kf. 14 ... 15 30. Let r be ! ApplyUnicodeExtensionToTag(tag, opt, relevantExtensionKeys). 16 ... 17 18 ApplyUnicodeExtensionToTag( tag, options, relevantExtensionKeys ) 19 20 ... 21 8. Let locale be the String value that is tag with all Unicode locale extension sequences removed. 22 9. Let newExtension be ! CanonicalizeUnicodeExtension(attributes, keywords). 23 10. If newExtension is not the empty String, then 24 a. Let locale be ! InsertUnicodeExtension(locale, newExtension). 25 ... 26 27 CanonicalizeUnicodeExtension( attributes, keywords ) 28 ... 29 4. Repeat for each element entry of keywords in List order, 30 a. Let keyword be entry.[[Key]]. 31 b. If entry.[[Value]] is not the empty String, then 32 i. Let keyword be the string-concatenation of keyword, "-", and entry.[[Value]]. 33 c. Append keyword to fullKeywords. 34 ... 35 features: [Intl.Locale] 36 ---*/ 37 38 const validCaseFirstOptions = [ 39 "upper", 40 "lower", 41 "false", 42 false, 43 { toString() { return false; } }, 44 ]; 45 for (const caseFirst of validCaseFirstOptions) { 46 const expected = String(caseFirst); 47 let expect = "en-u-kf-" + expected; 48 assert.sameValue( 49 new Intl.Locale('en', { caseFirst }).toString(), 50 expect, 51 `new Intl.Locale("en", { caseFirst: "${caseFirst}" }).toString() returns "${expect}"` 52 ); 53 54 expect = "en-u-kf-" + expected; 55 assert.sameValue( 56 new Intl.Locale('en-u-kf-lower', { caseFirst }).toString(), 57 expect, 58 `new Intl.Locale("en-u-kf-lower", { caseFirst: "${caseFirst}" }).toString() returns "${expect}"` 59 ); 60 61 assert.sameValue( 62 new Intl.Locale('en-u-kf-lower', { caseFirst }).caseFirst, 63 expected, 64 `new Intl.Locale("en-u-kf-lower", { caseFirst }).caseFirst equals "${expected}"` 65 ); 66 } 67 68 reportCompare(0, 0);