1 files changed, 71 insertions, 0 deletions
diff --git a/accessible/tests/browser/general/head.js b/accessible/tests/browser/general/head.js
new file mode 100644
index 0000000000..841436043c
--- /dev/null
+++ b/accessible/tests/browser/general/head.js
@@ -0,0 +1,71 @@
+/* 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";
+
+/* exported initAccessibilityService, openNewTab, shutdownAccessibilityService */
+
+// Load the shared-head file first.
+Services.scriptloader.loadSubScript(
+  "chrome://mochitests/content/browser/accessible/tests/browser/shared-head.js",
+  this
+);
+
+const nsIAccessibleRole = Ci.nsIAccessibleRole; // eslint-disable-line no-unused-vars
+
+/* import-globals-from ../../mochitest/role.js */
+loadScripts({ name: "role.js", dir: MOCHITESTS_DIR });
+
+async function openNewTab(url) {
+  const forceNewProcess = true;
+
+  return BrowserTestUtils.openNewForegroundTab({
+    gBrowser,
+    url,
+    forceNewProcess,
+  });
+}
+
+async function initAccessibilityService() {
+  info("Create accessibility service.");
+  let accService = Cc["@mozilla.org/accessibilityService;1"].getService(
+    Ci.nsIAccessibilityService
+  );
+
+  await new Promise(resolve => {
+    if (Services.appinfo.accessibilityEnabled) {
+      resolve();
+      return;
+    }
+
+    let observe = (subject, topic, data) => {
+      if (data === "1") {
+        Services.obs.removeObserver(observe, "a11y-init-or-shutdown");
+        resolve();
+      }
+    };
+    Services.obs.addObserver(observe, "a11y-init-or-shutdown");
+  });
+
+  return accService;
+}
+
+function shutdownAccessibilityService() {
+  forceGC();
+
+  return new Promise(resolve => {
+    if (!Services.appinfo.accessibilityEnabled) {
+      resolve();
+      return;
+    }
+
+    let observe = (subject, topic, data) => {
+      if (data === "0") {
+        Services.obs.removeObserver(observe, "a11y-init-or-shutdown");
+        resolve();
+      }
+    };
+    Services.obs.addObserver(observe, "a11y-init-or-shutdown");
+  });
+}