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// 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 options argument to the Locale constructor.
info: |
Intl.Locale( tag [, options] )
...
22. Let kf be ? GetOption(options, "caseFirst", "string", « "upper", "lower", "false" », undefined).
...
GetOption ( options, property, type, values, fallback )
...
2. d. If values is not undefined, then
i. If values does not contain an element equal to value, throw a RangeError exception.
...
features: [Intl.Locale]
---*/
const invalidCaseFirstOptions = [
"",
"u",
"Upper",
"upper\0",
"uppercase",
"true",
{ valueOf() { return false; } },
];
for (const caseFirst of invalidCaseFirstOptions) {
assert.throws(RangeError, function() {
new Intl.Locale("en", {caseFirst});
}, `new Intl.Locale("en", {caseFirst: "${caseFirst}"}) throws RangeError`);
}
reportCompare(0, 0);