forked from mirrors/gecko-dev
25c94b46d8
Right now, a lot of test code relies on side-effects of SpecialPowers being loaded into frame script globals. In particular: - It forces permissive COWs from those scopes, which allows frame scripts to pass objects from those scopes to unprivileged content that they otherwise wouldn't. - It imports a bunch of helper modules and WebIDL globals which would otherwise not be available. Fortunately, this seems to only impact test code at this point. But there's a real down-the-road risk of it impacting shipping code, which ends up working in automation due to the side-effects of SpecialPowers, but failing in real world use. MozReview-Commit-ID: G27eSSOHymX --HG-- extra : rebase_source : 1702e63fed719fc92def2bdbbb8a7c53572432db extra : source : 41bedc526dd6ec6b7e8c7be1c832ac60c81d6263
87 lines
2.8 KiB
JavaScript
87 lines
2.8 KiB
JavaScript
/**
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* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/
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*/
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const URL = "http://mochi.test:8888/browser/browser/base/content/test/general/test_offline_gzip.html";
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registerCleanupFunction(function() {
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// Clean up after ourself
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let uri = Services.io.newURI(URL);
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let principal = Services.scriptSecurityManager.createCodebasePrincipal(uri, {});
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Services.perms.removeFromPrincipal(principal, "offline-app");
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Services.prefs.clearUserPref("offline-apps.allow_by_default");
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});
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//
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// Handle "message" events which are posted from the iframe upon
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// offline cache events.
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//
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function contentTask() {
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ChromeUtils.import("resource://gre/modules/Timer.jsm");
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let resolve;
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let promise = new Promise(r => { resolve = r; });
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var cacheCount = 0;
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var intervalID = 0;
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function handleMessageEvents(event) {
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cacheCount++;
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switch (cacheCount) {
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case 1:
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// This is the initial caching off offline data.
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is(event.data, "oncache", "Child was successfully cached.");
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// Reload the frame; this will generate an error message
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// in the case of bug 501422.
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event.source.location.reload();
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// Use setInterval to repeatedly call a function which
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// checks that one of two things has occurred: either
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// the offline cache is udpated (which means our iframe
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// successfully reloaded), or the string "error" appears
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// in the iframe, as in the case of bug 501422.
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intervalID = setInterval(function() {
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// Sometimes document.body may not exist, and trying to access
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// it will throw an exception, so handle this case.
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try {
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var bodyInnerHTML = event.source.document.body.innerHTML;
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} catch (e) {
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bodyInnerHTML = "";
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}
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if (cacheCount == 2 || bodyInnerHTML.includes("error")) {
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clearInterval(intervalID);
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is(cacheCount, 2, "frame not reloaded successfully");
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if (cacheCount != 2) {
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finish();
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}
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}
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}, 100);
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break;
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case 2:
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is(event.data, "onupdate", "Child was successfully updated.");
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clearInterval(intervalID);
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resolve();
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break;
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default:
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// how'd we get here?
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ok(false, "cacheCount not 1 or 2");
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}
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}
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content.addEventListener("message", handleMessageEvents);
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return promise;
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}
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function test() {
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waitForExplicitFinish();
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Services.prefs.setBoolPref("offline-apps.allow_by_default", true);
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// Open a new tab.
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gBrowser.selectedTab = BrowserTestUtils.addTab(gBrowser, URL);
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registerCleanupFunction(() => gBrowser.removeCurrentTab());
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BrowserTestUtils.browserLoaded(gBrowser.selectedBrowser).then(() => {
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ContentTask.spawn(gBrowser.selectedBrowser, null, contentTask).then(finish);
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});
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}
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