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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/base/test/test_navigator_language.html
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=889335
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for NavigatorLanguage</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=889335">Mozilla Bug 889335</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+</div>
+<pre id="test">
+</pre>
+<script type="application/javascript">
+ "use strict";
+
+ SimpleTest.waitForExplicitFinish();
+
+ /** Test for NavigatorLanguage **/
+ var actualLanguageChangesFromHandler = 0;
+ var actualLanguageChangesFromAVL = 0;
+ var expectedLanguageChanges = 0;
+ var emptyLocale = SpecialPowers.Services.locale.webExposedLocales[0];
+
+ var testValues = [
+ { accept_languages: 'foo', language: 'foo', languages: ['foo'] },
+ { accept_languages: '', language: emptyLocale, languages: [emptyLocale] },
+ { accept_languages: 'foo,bar', language: 'foo', languages: [ 'foo', 'bar' ] },
+ { accept_languages: ' foo , bar ', language: 'foo', languages: [ 'foo', 'bar' ] },
+ { accept_languages: ' foo ; bar ', language: 'foo ; bar', languages: [ 'foo ; bar' ] },
+ { accept_languages: '_foo_', language: '_foo_', languages: ['_foo_'] },
+ { accept_languages: 'en_', language: 'en-', languages: ['en-'] },
+ { accept_languages: 'en__', language: 'en-_', languages: ['en-_'] },
+ { accept_languages: 'en_US, fr_FR', language: 'en-US', languages: ['en-US', 'fr-FR'] },
+ { accept_languages: 'en_US_CA', language: 'en-US_CA', languages: ['en-US_CA'] },
+ { accept_languages: 'en_us-ca', language: 'en-US-CA', languages: ['en-US-CA'] },
+ { accept_languages: 'en_us-cal, en_us-c', language: 'en-US-cal', languages: ['en-US-cal', 'en-US-c'] },
+ ];
+
+ var currentTestIdx = 0;
+ var tests = [];
+ function nextTest() {
+ currentTestIdx++;
+ if (currentTestIdx >= tests.length) {
+ SimpleTest.finish();
+ return;
+ }
+
+ tests[currentTestIdx]();
+ }
+
+ // Check that the API is there.
+ tests.push(function testAPIPresence() {
+ ok('language' in window.navigator);
+ ok('languages' in window.navigator);
+ ok('onlanguagechange' in window);
+
+ nextTest();
+ });
+
+ // Check that calling navigator.languages return the same array, unless there
+ // was a change.
+ tests.push(function testArrayCached() {
+ var previous = navigator.languages;
+ is(navigator.languages, navigator.languages, "navigator.languages is cached");
+ is(navigator.languages, previous, "navigator.languages is cached");
+
+ window.onlanguagechange = function() {
+ isnot(navigator.languages, previous, "navigator.languages cached value was updated");
+ window.onlanguagechange = null;
+
+ nextTest();
+ }
+
+ setTimeout(function() {
+ SpecialPowers.pushPrefEnv({"set": [['intl.accept_languages', 'testArrayCached']]});
+ }, 0);
+ });
+
+ // Test that event handler inside the <body> works as expected and that the
+ // event has the expected properties.
+ tests.push(function testEventProperties() {
+ document.body.setAttribute('onlanguagechange',
+ "document.body.removeAttribute('onlanguagechange');" +
+ "is(event.cancelable, false); is(event.bubbles, false);" +
+ "nextTest();");
+
+ setTimeout(function() {
+ SpecialPowers.pushPrefEnv({"set": [['intl.accept_languages', 'testEventProperties']]}, function() {});
+ }, 0);
+ });
+
+ // Check that the returned values such as the behavior when the underlying
+ // languages change.
+ tests.push(function testBasicBehaviour() {
+ function checkIfDoneAndProceed() {
+ if (actualLanguageChangesFromHandler == actualLanguageChangesFromAVL) {
+ if (genEvents.next().done) {
+ window.onlanguagechange = null;
+ window.removeEventListener('languagechange', languageChangeAVL);
+ nextTest();
+ }
+ }
+ }
+ window.onlanguagechange = function() {
+ actualLanguageChangesFromHandler++;
+ checkIfDoneAndProceed();
+ }
+ function languageChangeAVL() {
+ actualLanguageChangesFromAVL++;
+ checkIfDoneAndProceed();
+ }
+ window.addEventListener('languagechange', languageChangeAVL);
+
+ function* testEvents() {
+ for (var i = 0; i < testValues.length; ++i) {
+ var data = testValues[i];
+ setTimeout(function(d) {
+ SpecialPowers.pushPrefEnv({"set": [['intl.accept_languages', d.accept_languages]]});
+ }, 0, data);
+ expectedLanguageChanges++;
+ yield undefined;
+
+ is(actualLanguageChangesFromAVL, expectedLanguageChanges);
+ is(actualLanguageChangesFromHandler, expectedLanguageChanges);
+
+ is(navigator.language, data.language);
+ is(navigator.languages.length, data.languages.length);
+ if (navigator.languages.length) {
+ is(navigator.languages[0], navigator.language)
+ }
+ for (var j = 0; j < navigator.languages.length; ++j) {
+ is(navigator.languages[j], data.languages[j]);
+ }
+ }
+ }
+
+ var genEvents = testEvents();
+ genEvents.next();
+ });
+
+ // Check that the languagechange event isn't sent twice if the preference
+ // is set to the same value.
+ tests.push(function testOnlyFireIfRealChange() {
+ function* changeLanguage() {
+ setTimeout(function() {
+ SpecialPowers.pushPrefEnv({"set": [['intl.accept_languages', 'fr-CA']]});
+ });
+ yield undefined;
+
+ setTimeout(function() {
+ // Twice the same change, should fire only one event.
+ SpecialPowers.pushPrefEnv({"set": [['intl.accept_languages', 'fr-CA']]});
+ setTimeout(function() {
+ // A real change to tell the test it should now count how many changes were
+ // received until now.
+ SpecialPowers.pushPrefEnv({"set": [['intl.accept_languages', 'fr-FR']]});
+ });
+ });
+ yield undefined;
+ }
+
+ var genChanges = changeLanguage();
+
+ var doubleEventCount = 0;
+ window.onlanguagechange = function() {
+ if (navigator.language == 'fr-FR') {
+ is(1, doubleEventCount);
+ window.onlanguagechange = null;
+ nextTest();
+ return;
+ }
+
+ if (navigator.language == 'fr-CA') {
+ doubleEventCount++;
+ }
+ genChanges.next();
+ }
+
+ genChanges.next();
+ });
+
+ // Check that there is no crash when a change happen after a window listening
+ // to them is killed.
+ tests.push(function testThatAddingAnEventDoesNotHaveSideEffects() {
+ var frame = document.createElement('iframe');
+ frame.srcdoc = '<script>window.onlanguagechange=function(){}<\/script>';
+ document.body.appendChild(frame);
+
+ frame.contentWindow.onload = function() {
+ document.body.removeChild(frame);
+ frame = null;
+
+ SpecialPowers.exactGC(function() {
+ // This should not crash.
+ SpecialPowers.pushPrefEnv({"set": [['intl.accept_languages', 'en-GB']]}, nextTest);
+ });
+ }
+ });
+
+ // There is one test using document.body.
+ addLoadEvent(function() {
+ tests[0]();
+ });
+
+</script>
+</body>
+</html>
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