72 lines
2.1 KiB
JavaScript
72 lines
2.1 KiB
JavaScript
/* Any copyright is dedicated to the public domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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// Test that the onmozbrowsermetachange event for viewmode works.
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"use strict";
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SimpleTest.waitForExplicitFinish();
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browserElementTestHelpers.setEnabledPref(true);
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browserElementTestHelpers.addPermission();
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function runTest() {
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function loadFrameScript(script) {
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SpecialPowers.getBrowserFrameMessageManager(iframe1)
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.loadFrameScript('data:,' + script,
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/* allowDelayedLoad = */ false);
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}
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let iframe1 = document.createElement('iframe');
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iframe1.setAttribute('mozbrowser', 'true');
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iframe1.src = "http://test/tests/dom/browser-element/mochitest/file_browserElement_Viewmode.html";
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iframe1.addEventListener('mozbrowsermetachange', tests);
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document.body.appendChild(iframe1);
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let numMetaChanges = 0;
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function tests(e) {
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let detail = e.detail;
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switch (numMetaChanges++) {
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case 0: {
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is(detail.name, 'viewmode', 'name matches');
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is(detail.content, 'projection=stereo', 'content matches');
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is(detail.type, 'added', 'type matches');
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let script =
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"var meta = content.document.head.querySelector('meta');" +
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"meta.content = 'projection=mono';";
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loadFrameScript(script);
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break;
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}
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case 1: {
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is(detail.name, 'viewmode', 'name matches');
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is(detail.content, 'projection=mono', 'content matches');
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is(detail.type, 'changed', 'type matches');
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let script =
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"var meta = content.document.head.querySelector('meta');" +
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"meta.parentNode.removeChild(meta);";
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loadFrameScript(script);
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break;
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}
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case 2: {
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is(detail.name, 'viewmode', 'name matches');
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is(detail.content, 'projection=mono', 'content matches');
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is(detail.type, 'removed', 'type matches');
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SimpleTest.finish();
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break;
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}
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default: {
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ok(false, 'Too many metachange events.');
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break;
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}
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}
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};
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}
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window.addEventListener('testready', runTest);
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