gecko-dev/dom/browser-element/mochitest/browserElement_Metachange.js

154 строки
6.1 KiB
JavaScript

/* Any copyright is dedicated to the public domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
// Test that the onmozbrowsermetachange event works.
"use strict";
SimpleTest.waitForExplicitFinish();
browserElementTestHelpers.setEnabledPref(true);
browserElementTestHelpers.addPermission();
function createHtml(meta) {
return 'data:text/html,<html xmlns:xml="http://www.w3.org/XML/1998/namespace"><head>' + meta + '<body></body></html>';
}
function createHtmlWithLang(meta, lang) {
return 'data:text/html,<html xmlns:xml="http://www.w3.org/XML/1998/namespace" lang="' + lang + '"><head>' + meta + '<body></body></html>';
}
function createMeta(name, content) {
return '<meta name="' + name + '" content="' + content + '">';
}
function createMetaWithLang(name, content, lang) {
return '<meta name="' + name + '" content="' + content + '" lang="' + lang + '">';
}
function runTest() {
var iframe1 = document.createElement('iframe');
iframe1.setAttribute('mozbrowser', 'true');
document.body.appendChild(iframe1);
// iframe2 is a red herring; we modify its meta elements but don't listen for
// metachanges; we want to make sure that its metachange events aren't
// picked up by the listener on iframe1.
var iframe2 = document.createElement('iframe');
iframe2.setAttribute('mozbrowser', 'true');
document.body.appendChild(iframe2);
// iframe3 is another red herring. It's not a mozbrowser, so we shouldn't
// get any metachange events on it.
var iframe3 = document.createElement('iframe');
document.body.appendChild(iframe3);
var numMetaChanges = 0;
iframe1.addEventListener('mozbrowsermetachange', function(e) {
numMetaChanges++;
if (numMetaChanges == 1) {
is(e.detail.name, 'application-name');
is(e.detail.content, 'foobar');
// We should recieve metachange events when the user creates new metas
SpecialPowers.getBrowserFrameMessageManager(iframe1)
.loadFrameScript("data:,content.document.title='New title';",
/* allowDelayedLoad = */ false);
SpecialPowers.getBrowserFrameMessageManager(iframe1)
.loadFrameScript("data:,content.document.head.insertAdjacentHTML('beforeend', '<meta name=application-name content=new_foobar>')",
/* allowDelayedLoad = */ false);
SpecialPowers.getBrowserFrameMessageManager(iframe2)
.loadFrameScript("data:,content.document.head.insertAdjacentHTML('beforeend', '<meta name=application-name content=new_foobar>')",
/* allowDelayedLoad = */ false);
}
else if (numMetaChanges == 2) {
is(e.detail.name, 'application-name', 'name matches');
is(e.detail.content, 'new_foobar', 'content matches');
ok(!("lang" in e.detail), 'lang not present');
// Full new pages should trigger metachange events
iframe1.src = createHtml(createMeta('application-name', '3rd_foobar'));
}
else if (numMetaChanges == 3) {
is(e.detail.name, 'application-name', 'name matches');
is(e.detail.content, '3rd_foobar', 'content matches');
ok(!("lang" in e.detail), 'lang not present');
// Test setting a page with multiple meta elements
iframe1.src = createHtml(createMeta('application-name', 'foobar_1') + createMeta('application-name', 'foobar_2'));
}
else if (numMetaChanges == 4) {
is(e.detail.name, 'application-name', 'name matches');
is(e.detail.content, 'foobar_1', 'content matches');
ok(!("lang" in e.detail), 'lang not present');
// 2 events will be triggered by previous test, wait for next
}
else if (numMetaChanges == 5) {
is(e.detail.name, 'application-name', 'name matches');
is(e.detail.content, 'foobar_2', 'content matches');
ok(!("lang" in e.detail), 'lang not present');
// Test the language
iframe1.src = createHtml(createMetaWithLang('application-name', 'foobar_lang_1', 'en'));
}
else if (numMetaChanges == 6) {
is(e.detail.name, 'application-name', 'name matches');
is(e.detail.content, 'foobar_lang_1', 'content matches');
is(e.detail.lang, 'en', 'language matches');
// Test the language in the ancestor element
iframe1.src = createHtmlWithLang(createMeta('application-name', 'foobar_lang_2'), 'es');
}
else if (numMetaChanges == 7) {
is(e.detail.name, 'application-name', 'name matches');
is(e.detail.content, 'foobar_lang_2', 'content matches');
is(e.detail.lang, 'es', 'language matches');
// Test the language in the ancestor element
iframe1.src = createHtmlWithLang(createMetaWithLang('application-name', 'foobar_lang_3', 'it'), 'fi');
}
else if (numMetaChanges == 8) {
is(e.detail.name, 'application-name', 'name matches');
is(e.detail.content, 'foobar_lang_3', 'content matches');
is(e.detail.lang, 'it', 'language matches');
// Test the content-language
iframe1.src = "http://test/tests/dom/browser-element/mochitest/file_browserElement_Metachange.sjs?ru";
}
else if (numMetaChanges == 9) {
is(e.detail.name, 'application-name', 'name matches');
is(e.detail.content, 'sjs', 'content matches');
is(e.detail.lang, 'ru', 'language matches');
// Test the content-language
iframe1.src = "http://test/tests/dom/browser-element/mochitest/file_browserElement_Metachange.sjs?ru|dk";
}
else if (numMetaChanges == 10) {
is(e.detail.name, 'application-name', 'name matches');
is(e.detail.content, 'sjs', 'content matches');
is(e.detail.lang, 'dk', 'language matches');
// Test the language
SimpleTest.finish();
} else {
ok(false, 'Too many metachange events.');
}
});
iframe3.addEventListener('mozbrowsermetachange', function(e) {
ok(false, 'Should not get a metachange event for iframe3.');
});
iframe1.src = createHtml(createMeta('application-name', 'foobar'));
// We should not recieve meta change events for either of the below iframes
iframe2.src = createHtml(createMeta('application-name', 'foobar'));
iframe3.src = createHtml(createMeta('application-name', 'foobar'));
}
addEventListener('testready', runTest);