<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
<head>
<meta charset="utf-8">
<script src="../resources/js-test-pre.js"></script>
</head>
<body>
<script>
description("This test checks the default locale behavior of Intl constructors.");

// Actual default should always be a string
shouldBe("typeof new Intl.DateTimeFormat().resolvedOptions().locale", "'string'");
shouldBe("typeof new Intl.NumberFormat().resolvedOptions().locale", "'string'");
shouldBe("typeof new Intl.Collator().resolvedOptions().locale", "'string'");

// Actual default should always be canonicalized
shouldBe("Intl.getCanonicalLocales(new Intl.DateTimeFormat().resolvedOptions().locale)[0]", "new Intl.DateTimeFormat().resolvedOptions().locale");
shouldBe("Intl.getCanonicalLocales(new Intl.NumberFormat().resolvedOptions().locale)[0]", "new Intl.NumberFormat().resolvedOptions().locale");
shouldBe("Intl.getCanonicalLocales(new Intl.Collator().resolvedOptions().locale)[0]", "new Intl.NumberFormat().resolvedOptions().locale");

if (window.internals) {
    // Any language name with less than two characters is considered invalid, so we use "a" here.
    // "i-klingon" is grandfathered, and is canonicalized "tlh".
    // It should not be part of any available locale sets, so we know it came from here.
    window.internals.setUserPreferredLanguages([ "a", "*", "en_US.utf8", "i-klingon", "en-US" ]);
    shouldBe("new Intl.DateTimeFormat().resolvedOptions().locale", "'tlh'");
    shouldBe("new Intl.NumberFormat().resolvedOptions().locale", "'tlh'");
    shouldBe("new Intl.Collator().resolvedOptions().locale", "'tlh'");
}
</script>
<script src="../resources/js-test-post.js"></script>
</body>
</html>