import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

addon-sdk/source/test/addons/e10s/lib/main.js

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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+'use strict';
+
+const { getMostRecentBrowserWindow, isBrowser } = require('sdk/window/utils');
+const { promise: windowPromise, close, focus } = require('sdk/window/helpers');
+const { openTab, closeTab, getBrowserForTab } = require('sdk/tabs/utils');
+const { WindowTracker } = require('sdk/deprecated/window-utils');
+const { version, platform } = require('sdk/system');
+const { when } = require('sdk/system/unload');
+const tabs = require('sdk/tabs');
+
+const SKIPPING_TESTS = {
+  "test skip": (assert) => assert.pass("nothing to test here")
+};
+
+exports.testTabIsRemote = function(assert, done) {
+  const url = 'data:text/html,test-tab-is-remote';
+  let tab = openTab(getMostRecentBrowserWindow(), url);
+  assert.ok(tab.linkedBrowser.isRemoteBrowser, "The new tab should be remote");
+
+  // can't simply close a remote tab before it is loaded, bug 1006043
+  let mm = getBrowserForTab(tab).messageManager;
+  mm.addMessageListener('7', function listener() {
+    mm.removeMessageListener('7', listener);
+    tabs.once('close', done);
+    closeTab(tab);
+  })
+  mm.loadFrameScript('data:,sendAsyncMessage("7")', true);
+}
+
+// run e10s tests only on builds from trunk, fx-team, Nightly..
+if (!version.endsWith('a1')) {
+  module.exports = {};
+}
+
+function replaceWindow(remote) {
+  let next = null;
+  let old = getMostRecentBrowserWindow();
+  let promise = new Promise(resolve => {
+    let tracker = WindowTracker({
+      onTrack: window => {
+        if (window !== next)
+          return;
+        resolve(window);
+        tracker.unload();
+      }
+    });
+  })
+  next = old.OpenBrowserWindow({ remote });
+  return promise.then(focus).then(_ => close(old));
+}
+
+// bug 1054482 - e10s test addons time out on linux
+if (platform === 'linux') {
+  module.exports = SKIPPING_TESTS;
+  require('sdk/test/runner').runTestsFromModule(module);
+}
+else {
+  replaceWindow(true).then(_ =>
+    require('sdk/test/runner').runTestsFromModule(module));
+
+  when(_ => replaceWindow(false));
+}

addon-sdk/source/test/addons/e10s/package.json

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+{
+  "name": "e10s",
+  "title": "e10s",
+  "id": "jid1-DYaXFHAPlHwbgw@jetpack",
+  "description": "a basic e10s test add-on",
+  "author": "Tomislav Jovanovic",
+  "license": "MPL-2.0",
+  "version": "0.1.0",
+  "main": "./lib/main.js"
+}