<!DOCTYPE html>
<meta charset="utf-8">
<title>Notification.lang</title>
<link rel="author" title="Apple Inc." href="http://www.apple.com/">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="resources/helpers.js"></script>
<script>
/* Validity and well-formedness was determined by using the BCP 47
   Validator at http://schneegans.de/lv/ */

/* The empty string is valid, as well as any valid BCP 47 language tag. */
var valid_langs = ["", "en", "en-US-x-hixie", "de-DE", "de-de", "de-De",
                   "de-dE", "de-DE-1996", "de-Latn-DE", "de-Latf-DE",
                   "de-Latn-DE-1996", "de-CH", "it-CH", "fr-CH",
                   "rm-CH", "es-CH"];

/* Well-formed but invalid BCP 47 language tags should not round-trip;
   they should come back as the empty string. */
var well_formed_langs = ["Latn-de", "Latf-de", "tic-tac-tac-toe",
                         "cocoa-1-bar", "cocoa-a-bar"];

/* Invalid BCP 47 language tags should not round-trip; they should come
   back as the empty string. */
var invalid_langs = ["en-", "en-\-", "foo-\-bar", "id-\-\-Java", "fr-x",
                     "fr-xenomorph", "fr-x-xenomorph", "a", "a-fr-lang",
                     "b-fr-lang", "es1-KK-aa-bb-cc-dd",
                     "es2-KL-aa-bb-cc-dd", "es3-KM-aa-bb-cc-dd", "fooÉ",
                     "foöÉ-bÁr", "foöÉbÁr"];


promise_setup(async () => {
    // No need to show actual notification
    await trySettingPermission("prompt");
});

function test_lang(language, should_passthrough) {
    var expected = should_passthrough ? language : "";
    promise_test(async () => {
        var notification = new Notification("This is a notification.", {
            lang: language
        });
        notification.close();
        assert_equals(notification.lang, expected, "notification.lang");
    },
    "Roundtripping lang \"" + language + "\". Expecting \"" + expected + "\".");
}

for (var i=0; i<valid_langs.length; i++) {
    test_lang(valid_langs[i], true);
}

for (var i=0; i<well_formed_langs.length; i++) {
    test_lang(well_formed_langs[i], false);
}

for (var i=0; i<invalid_langs.length; i++) {
    test_lang(invalid_langs[i], false);
}
</script>