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// Copyright 2019 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-createdatetimeformat
description: >
Checks handling of the options argument to the DateTimeFormat constructor.
info: |
CreateDateTimeFormat ( dateTimeFormat, locales, options, required, default )
...
41. Let timeStyle be ? GetOption(options, "timeStyle", string, « "full", "long", "medium", "short" », undefined).
42. Set dateTimeFormat.[[TimeStyle]] to timeStyle.
features: [Intl.DateTimeFormat-datetimestyle]
---*/
const validOptions = [
[undefined, undefined],
["full", "full"],
["long", "long"],
["medium", "medium"],
["short", "short"],
[{ toString() { return "full"; } }, "full"],
[{ valueOf() { return "long"; }, toString: undefined }, "long"],
];
for (const [timeStyle, expected] of validOptions) {
const dtf = new Intl.DateTimeFormat("en", { timeStyle });
const options = dtf.resolvedOptions();
assert.sameValue(options.timeStyle, expected);
const propdesc = Object.getOwnPropertyDescriptor(options, "timeStyle");
if (expected === undefined) {
assert.sameValue(propdesc, undefined);
} else {
assert.sameValue(propdesc.value, expected);
}
}
reportCompare(0, 0);