зеркало из https://github.com/mozilla/gecko-dev.git
516 строки
20 KiB
HTML
516 строки
20 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<title>Plugin instantiation</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript" src="/tests/SimpleTest/SpecialPowers.js"></script>
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<meta charset="utf-8">
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<body onload="onLoad()">
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<script class="testbody" type="text/javascript;version=1.8">
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"use strict";
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SimpleTest.waitForExplicitFinish();
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var pluginHost = SpecialPowers.Cc["@mozilla.org/plugin/host;1"]
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.getService(SpecialPowers.Ci.nsIPluginHost);
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var pluginTags = pluginHost.getPluginTags();
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for (var tag of pluginTags) {
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if (tag.name == "Test Plug-in") {
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tag.enabledState = SpecialPowers.Ci.nsIPluginTag.STATE_ENABLED;;
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}
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}
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// This can go away once embed also is on WebIDL
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let OBJLC = SpecialPowers.Ci.nsIObjectLoadingContent;
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// Use string modes in this test to make the test easier to read/debug.
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// nsIObjectLoadingContent refers to this as "type", but I am using "mode"
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// in the test to avoid confusing with content-type.
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let prettyModes = {};
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prettyModes[OBJLC.TYPE_LOADING] = "loading";
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prettyModes[OBJLC.TYPE_IMAGE] = "image";
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prettyModes[OBJLC.TYPE_PLUGIN] = "plugin";
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prettyModes[OBJLC.TYPE_DOCUMENT] = "document";
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prettyModes[OBJLC.TYPE_NULL] = "none";
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let body = document.body;
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// A single-pixel white png
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let testPNG = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAAAAAA6fptVAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3AoIFiETNqbNRQAAAB1pVFh0Q29tbWVudAAAAAAAQ3JlYXRlZCB3aXRoIEdJTVBkLmUHAAAACklEQVQIHWP4DwABAQEANl9ngAAAAABJRU5ErkJggg==';
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// An empty, but valid, SVG
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let testSVG = 'data:image/svg+xml,<?xml version="1.0" encoding="UTF-8"?><svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"></svg>';
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// executeSoon wrapper to count pending callbacks
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let pendingCalls = 0;
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let afterPendingCalls = false;
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function runWhenDone(func) {
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if (!pendingCalls)
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func();
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else
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afterPendingCalls = func;
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}
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function runSoon(func) {
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pendingCalls++;
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SimpleTest.executeSoon(function() {
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func();
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if (--pendingCalls < 1 && afterPendingCalls)
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afterPendingCalls();
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});
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}
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function src(obj, state, uri) {
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// If we have a running plugin, src changing should always throw it out,
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// even if it causes us to load the same plugin again.
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if (uri && runningPlugin(obj, state)) {
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if (!state.oldPlugins)
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state.oldPlugins = [];
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try {
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state.oldPlugins.push(obj.getObjectValue());
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} catch (e) {
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ok(false, "Running plugin but cannot call getObjectValue?");
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}
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}
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var srcattr;
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if (state.tagName == "object")
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srcattr = "data";
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else if (state.tagName == "embed")
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srcattr = "src";
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else
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ok(false, "Internal test fail: Why are we setting the src of an applet");
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// Plugins should always go away immediately on src/data change
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state.initialPlugin = false;
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if (uri === null) {
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removeAttr(obj, srcattr);
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// TODO Bug 767631 - we don't trigger loadObject on UnsetAttr :(
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forceReload(obj, state);
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} else {
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setAttr(obj, srcattr, uri);
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}
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}
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// We have to be careful not to reach past the nsObjectLoadingContent
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// prototype to touch generic element attributes, as this will try to
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// spawn the plugin, breaking our ability to test for that.
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function getAttr(obj, attr) {
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return document.body.constructor.prototype.getAttribute.call(obj, attr);
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}
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function setAttr(obj, attr, val) {
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return document.body.constructor.prototype.setAttribute.call(obj, attr, val);
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}
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function hasAttr(obj, attr) {
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return document.body.constructor.prototype.hasAttribute.call(obj, attr);
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}
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function removeAttr(obj, attr) {
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return document.body.constructor.prototype.removeAttribute.call(obj, attr);
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}
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function setDisplayed(obj, display) {
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if (display)
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removeAttr(obj, 'style');
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else
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setAttr(obj, 'style', "display: none;");
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}
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function displayed(obj) {
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// Hacky, but that's all we use style for.
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return !hasAttr(obj, 'style');
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}
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function actualType(obj, state) {
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return state.getActualType.call(obj);
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}
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function getMode(obj, state) {
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return prettyModes[state.getDisplayedType.call(obj)];
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}
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function runningPlugin(obj, state) {
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return state.getHasRunningPlugin.call(obj);
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}
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// TODO this is hacky and might hide some failures, but is needed until
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// Bug 767635 lands -- which itself will probably mean tweaking this test.
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function forceReload(obj, state) {
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let attr;
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if (state.tagName == "object")
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attr = "data";
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else if (state.tagName == "embed")
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attr = "src";
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if (attr && hasAttr(obj, attr)) {
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src(obj, state, getAttr(obj, attr));
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} else if (body.contains(obj)) {
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body.appendChild(obj);
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} else {
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// Out of document nodes without data attributes simply can't be
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// reloaded currently. Bug 767635
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}
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};
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// Make a list of combinations of sub-lists, e.g.:
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// [ [a, b], [c, d] ]
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// ->
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// [ [a, c], [a, d], [b, c], [b, d] ]
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function eachList() {
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let all = [];
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if (!arguments.length)
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return all;
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let list = Array.prototype.slice.call(arguments, 0);
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for (let c of list[0]) {
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if (list.length > 1) {
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for (let x of eachList.apply(this,list.slice(1))) {
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all.push((c.length ? [c] : []).concat(x));
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}
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} else if (c.length) {
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all.push([c]);
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}
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}
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return all;
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}
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let states = {
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svg: function(obj, state) {
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removeAttr(obj, "type");
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src(obj, state, testSVG);
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state.noChannel = false;
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state.expectedType = "image/svg";
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// SVGs are actually image-like subdocuments
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state.expectedMode = "document";
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},
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image: function(obj, state) {
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removeAttr(obj, "type");
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src(obj, state, testPNG);
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state.noChannel = false;
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state.expectedMode = "image";
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state.expectedType = "image/png";
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},
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plugin: function(obj, state) {
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removeAttr(obj, "type");
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src(obj, state, "data:application/x-test,foo");
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state.noChannel = false;
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state.expectedType = "application/x-test";
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state.expectedMode = "plugin";
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},
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pluginExtension: function(obj, state) {
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src(obj, state, "./fake_plugin.tst");
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state.expectedMode = "plugin";
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state.pluginExtension = true;
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state.noChannel = false;
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},
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document: function(obj, state) {
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removeAttr(obj, "type");
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src(obj, state, "data:text/plain,I am a document");
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state.noChannel = false;
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state.expectedType = "text/plain";
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state.expectedMode = "document";
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},
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fallback: function(obj, state) {
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removeAttr(obj, "type");
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state.expectedType = "application/x-unknown";
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state.expectedMode = "none";
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state.noChannel = true;
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src(obj, state, null);
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},
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addToDoc: function(obj, state) {
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body.appendChild(obj);
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},
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removeFromDoc: function(obj, state) {
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if (body.contains(obj))
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body.removeChild(obj);
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},
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// Set the proper type
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setType: function(obj, state) {
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if (state.expectedType) {
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state.badType = false;
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setAttr(obj, 'type', state.expectedType);
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forceReload(obj, state);
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}
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},
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// Set an improper type
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setWrongType: function(obj, state) {
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// This should break no-channel-plugins but nothing else
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state.badType = true;
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setAttr(obj, 'type', "application/x-unknown");
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forceReload(obj, state);
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},
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// Set a plugin type
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setPluginType: function(obj, state) {
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// If an object/embed has a type set to a plugin type, it should not
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// use the channel type.
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state.badType = false;
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setAttr(obj, 'type', 'application/x-test');
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state.expectedType = "application/x-test";
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state.expectedMode = "plugin";
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forceReload(obj, state);
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},
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noChannel: function(obj, state) {
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src(obj, state, null);
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state.noChannel = true;
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state.pluginExtension = false;
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},
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displayNone: function(obj, state) {
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setDisplayed(obj, false);
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},
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displayInherit: function(obj, state) {
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setDisplayed(obj, true);
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}
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};
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function testObject(obj, state) {
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// If our test combination both sets noChannel but no explicit type
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// it shouldn't load ever.
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let expectedMode = state.expectedMode;
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let actualMode = getMode(obj, state);
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if (state.noChannel && !getAttr(obj, 'type')) {
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// Some combinations of test both set no type and no channel. This is
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// worth testing with the various combinations, but shouldn't load.
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expectedMode = "none";
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}
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// Embed tags should always try to load a plugin by type or extension
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// before falling back to opening a channel. See bug 803159
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if (state.tagName == "embed" &&
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(getAttr(obj, 'type') == "application/x-test" || state.pluginExtension)) {
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state.noChannel = true;
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}
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// with state.loading, unless we're loading with no channel, these types
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// should still be in loading state pending a channel.
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if (state.loading && (expectedMode == "image" || expectedMode == "document" ||
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(expectedMode == "plugin" && !state.initialPlugin && !state.noChannel))) {
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expectedMode = "loading";
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}
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// With the exception of plugins with a proper type, nothing should
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// load without a channel
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if (state.noChannel && (expectedMode != "plugin" || state.badType) &&
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body.contains(obj)) {
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expectedMode = "none";
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}
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// embed tags should reject documents, except for SVG images which
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// render as such
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if (state.tagName == "embed" && expectedMode == "document" &&
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actualType(obj, state) != "image/svg+xml") {
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expectedMode = "none";
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}
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// Embeds with a plugin type should skip opening a channel prior to
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// loading, taking only type into account.
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if (state.tagName == 'embed' && getAttr(obj, 'type') == 'application/x-test' &&
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body.contains(obj)) {
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expectedMode = "plugin";
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}
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if (!body.contains(obj)
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&& (!state.loading || expectedMode != "image")
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&& (!state.initialPlugin || expectedMode != "plugin")) {
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// Images are handled by nsIImageLoadingContent so we dont track
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// their state change as they're detached and reattached. All other
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// types switch to state "loading", and are completely unloaded
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expectedMode = "loading";
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}
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is(actualMode, expectedMode, "check loaded mode");
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// If we're a plugin, check that we spawned successfully. state.loading
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// is set if we haven't had an event loop since applying state, in which
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// case the plugin would not have stopped yet if it was initially a
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// plugin.
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let shouldBeSpawnable = expectedMode == "plugin" && displayed(obj);
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let shouldSpawn = shouldBeSpawnable && (!state.loading || state.initialPlugin);
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let didSpawn = runningPlugin(obj, state);
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is(didSpawn, !!shouldSpawn, "check plugin spawned is " + !!shouldSpawn);
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// If we are a plugin, scripting should work. If we're not spawned we
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// should spawn synchronously.
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let scripted = false;
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try {
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let x = obj.getObjectValue();
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scripted = true;
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} catch(e) {}
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is(scripted, shouldBeSpawnable, "check plugin scriptability");
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// If this tag previously had other spawned plugins, make sure it
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// respawned between then and now
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if (state.oldPlugins && didSpawn) {
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let didRespawn = false;
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for (let oldp of state.oldPlugins) {
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// If this returns false or throws, it's not the same plugin
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try {
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didRespawn = !obj.checkObjectValue(oldp);
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} catch (e) {
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didRespawn = true;
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}
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}
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is(didRespawn, true, "Plugin should have re-spawned since old state ("+state.oldPlugins.length+")");
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}
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}
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let total = 0;
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let test_modes = {
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// Just apply from_state then to_state
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"immediate": function(obj, from_state, to_state, state) {
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for (let from of from_state)
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states[from](obj, state);
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for (let to of to_state)
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states[to](obj, state);
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// We don't spin the event loop between applying to_state and
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// running tests, so some types are still loading
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state.loading = true;
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info("["+(++total)+"] Testing [ " + from_state + " ] -> [ " + to_state + " ] / " + state.tagName + " / immediate");
|
||
|
|
testObject(obj, state);
|
||
|
|
|
||
|
|
if (body.contains(obj))
|
||
|
|
body.removeChild(obj);
|
||
|
|
|
||
|
|
},
|
||
|
|
// Apply states, spin event loop, run tests.
|
||
|
|
"cycle": function(obj, from_state, to_state, state) {
|
||
|
|
for (let from of from_state)
|
||
|
|
states[from](obj, state);
|
||
|
|
for (let to of to_state)
|
||
|
|
states[to](obj, state);
|
||
|
|
// Because re-appending to the document creates a script blocker, but
|
||
|
|
// plugins spawn asynchronously, we need to return to the event loop
|
||
|
|
// twice to ensure the plugin has been given a chance to lazily spawn.
|
||
|
|
runSoon(function() { runSoon(function() {
|
||
|
|
info("["+(++total)+"] Testing [ " + from_state + " ] -> [ " + to_state + " ] / " + state.tagName + " / cycle");
|
||
|
|
testObject(obj, state);
|
||
|
|
|
||
|
|
if (body.contains(obj))
|
||
|
|
body.removeChild(obj);
|
||
|
|
}); });
|
||
|
|
},
|
||
|
|
// Apply initial state, spin event loop, apply final state, spin event
|
||
|
|
// loop again.
|
||
|
|
"cycleboth": function(obj, from_state, to_state, state) {
|
||
|
|
for (let from of from_state) {
|
||
|
|
states[from](obj, state);
|
||
|
|
}
|
||
|
|
runSoon(function() {
|
||
|
|
for (let to of to_state) {
|
||
|
|
states[to](obj, state);
|
||
|
|
}
|
||
|
|
// Because re-appending to the document creates a script blocker,
|
||
|
|
// but plugins spawn asynchronously, we need to return to the event
|
||
|
|
// loop twice to ensure the plugin has been given a chance to lazily
|
||
|
|
// spawn.
|
||
|
|
runSoon(function() { runSoon(function() {
|
||
|
|
info("["+(++total)+"] Testing [ " + from_state + " ] -> [ " + to_state + " ] / " + state.tagName + " / cycleboth");
|
||
|
|
testObject(obj, state);
|
||
|
|
|
||
|
|
if (body.contains(obj))
|
||
|
|
body.removeChild(obj);
|
||
|
|
}); });
|
||
|
|
});
|
||
|
|
},
|
||
|
|
// Apply initial state, spin event loop, apply later state, test
|
||
|
|
// immediately
|
||
|
|
"cyclefirst": function(obj, from_state, to_state, state) {
|
||
|
|
for (let from of from_state) {
|
||
|
|
states[from](obj, state);
|
||
|
|
}
|
||
|
|
runSoon(function() {
|
||
|
|
state.initialPlugin = runningPlugin(obj, state);
|
||
|
|
for (let to of to_state) {
|
||
|
|
states[to](obj, state);
|
||
|
|
}
|
||
|
|
info("["+(++total)+"] Testing [ " + from_state + " ] -> [ " + to_state + " ] / " + state.tagName + " / cyclefirst");
|
||
|
|
// We don't spin the event loop between applying to_state and
|
||
|
|
// running tests, so some types are still loading
|
||
|
|
state.loading = true;
|
||
|
|
testObject(obj, state);
|
||
|
|
|
||
|
|
if (body.contains(obj))
|
||
|
|
body.removeChild(obj);
|
||
|
|
});
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
function test(testdat) {
|
||
|
|
for (let from_state of testdat['from_states']) {
|
||
|
|
for (let to_state of testdat['to_states']) {
|
||
|
|
for (let mode of testdat['test_modes']) {
|
||
|
|
for (let type of testdat['tag_types']) {
|
||
|
|
runSoon(function () {
|
||
|
|
let obj = document.createElement(type);
|
||
|
|
obj.width = 1; obj.height = 1;
|
||
|
|
let state = {};
|
||
|
|
state.noChannel = true;
|
||
|
|
state.tagName = type;
|
||
|
|
// Part of the test checks whether a plugin spawned or not,
|
||
|
|
// but touching the object prototype will attempt to
|
||
|
|
// synchronously spawn a plugin! We use this terrible hack to
|
||
|
|
// get a privileged getter for the attributes we want to touch
|
||
|
|
// prior to applying any attributes.
|
||
|
|
// TODO when embed goes away we wont need to check for
|
||
|
|
// QueryInterface any longer.
|
||
|
|
var lookup_on = obj.QueryInterface ? obj.QueryInterface(OBJLC): obj;
|
||
|
|
state.getDisplayedType = SpecialPowers.do_lookupGetter(lookup_on, 'displayedType');
|
||
|
|
state.getHasRunningPlugin = SpecialPowers.do_lookupGetter(lookup_on, 'hasRunningPlugin');
|
||
|
|
state.getActualType = SpecialPowers.do_lookupGetter(lookup_on, 'actualType');
|
||
|
|
test_modes[mode](obj, from_state, to_state, state);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function onLoad() {
|
||
|
|
// Generic tests
|
||
|
|
test({
|
||
|
|
'tag_types': [ 'embed', 'object' ],
|
||
|
|
// In all three modes
|
||
|
|
'test_modes': [ 'immediate', 'cycle', 'cyclefirst', 'cycleboth' ],
|
||
|
|
// Starting from a blank tag in and out of the document, a loading
|
||
|
|
// plugin, and no-channel plugin (initial types only really have
|
||
|
|
// odd cases with plugins)
|
||
|
|
'from_states': [
|
||
|
|
[ 'addToDoc' ],
|
||
|
|
[ 'plugin' ],
|
||
|
|
[ 'plugin', 'addToDoc' ],
|
||
|
|
[ 'plugin', 'noChannel', 'setType', 'addToDoc' ],
|
||
|
|
[],
|
||
|
|
],
|
||
|
|
// To various combinations of loaded objects
|
||
|
|
'to_states': eachList(
|
||
|
|
[ 'svg', 'image', 'plugin', 'document', '' ],
|
||
|
|
[ 'setType', 'setWrongType', 'setPluginType', '' ],
|
||
|
|
[ 'noChannel', '' ],
|
||
|
|
[ 'displayNone', 'displayInherit', '' ]
|
||
|
|
)});
|
||
|
|
// Special case test for embed tags with plugin-by-extension
|
||
|
|
// TODO object tags should be tested here too -- they have slightly
|
||
|
|
// different behavior, but waiting on a file load requires a loaded
|
||
|
|
// event handler and wont work with just our event loop spinning.
|
||
|
|
test({
|
||
|
|
'tag_types': [ 'embed' ],
|
||
|
|
'test_modes': [ 'immediate', 'cyclefirst', 'cycle', 'cycleboth' ],
|
||
|
|
'from_states': eachList(
|
||
|
|
[ 'svg', 'plugin', 'image', 'document' ],
|
||
|
|
[ 'addToDoc' ]
|
||
|
|
),
|
||
|
|
// Set extension along with valid ty
|
||
|
|
'to_states': [
|
||
|
|
[ 'pluginExtension' ]
|
||
|
|
]});
|
||
|
|
// Test plugin add/remove from document with adding/removing frame, with
|
||
|
|
// and without a channel.
|
||
|
|
test({
|
||
|
|
'tag_types': [ 'embed', 'object' ], // Ideally we'd test object too, but this gets exponentially long.
|
||
|
|
'test_modes': [ 'immediate', 'cyclefirst', 'cycle' ],
|
||
|
|
'from_states': [ [ 'displayNone', 'plugin', 'addToDoc' ],
|
||
|
|
[ 'displayNone', 'plugin', 'noChannel', 'addToDoc' ],
|
||
|
|
[ 'plugin', 'noChannel', 'addToDoc' ],
|
||
|
|
[ 'plugin', 'noChannel' ] ],
|
||
|
|
'to_states': eachList(
|
||
|
|
[ 'displayNone', '' ],
|
||
|
|
[ 'removeFromDoc' ],
|
||
|
|
[ 'image', 'displayNone', '' ],
|
||
|
|
[ 'image', 'displayNone', '' ],
|
||
|
|
[ 'addToDoc' ],
|
||
|
|
[ 'displayInherit' ]
|
||
|
|
)});
|
||
|
|
runWhenDone(function() SimpleTest.finish());
|
||
|
|
}
|
||
|
|
</script>
|