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// Copyright 2019 Google Inc. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-createdatetimeformat
description: >
Checks the DateTimeFormat choose different patterns based
on calendar.
includes: [testIntl.js]
features: [Intl.DateTimeFormat-formatRange]
locale: [en]
---*/
let calendars = allCalendars();
let date1 = new Date(2017, 3, 12);
let date2 = new Date();
// serialize parts to a string by considering only the type and literal.
function serializeTypesAndLiteral(parts) {
let types = parts.map(part => {
if (part.type == "literal") {
return `${part.type}(${part.value})`;
}
return part.type;
});
return types.join(":");
}
let df = new Intl.DateTimeFormat("en");
let base = serializeTypesAndLiteral(df.formatRangeToParts(date1, date2));
const foundDifferentPattern = calendars.some(function(calendar) {
let cdf = new Intl.DateTimeFormat("en-u-ca-" + calendar);
return base != serializeTypesAndLiteral(cdf.formatRangeToParts(date1, date2));
});
// Expect at least some calendar use different pattern.
assert.sameValue(foundDifferentPattern, true);
reportCompare(0, 0);
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