1 files changed, 72 insertions, 0 deletions
diff --git a/mobile/android/tests/browser/chrome/head.js b/mobile/android/tests/browser/chrome/head.js
new file mode 100644
index 0000000000..0ac8ed0107
--- /dev/null
+++ b/mobile/android/tests/browser/chrome/head.js
@@ -0,0 +1,72 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+function fuzzyEquals(a, b) {
+  return (Math.abs(a - b) < 1e-6);
+}
+
+function promiseBrowserEvent(browser, eventType) {
+  return new Promise((resolve) => {
+    function handle(event) {
+      // Since we'll be redirecting, don't make assumptions about the given URL and the loaded URL
+      if (event.target != browser.contentDocument || event.target.location.href == "about:blank") {
+        info("Skipping spurious '" + eventType + "' event" + " for " + event.target.location.href);
+        return;
+      }
+      info("Received event " + eventType + " from browser");
+      browser.removeEventListener(eventType, handle, true);
+      resolve(event);
+    }
+
+    browser.addEventListener(eventType, handle, true);
+    info("Now waiting for " + eventType + " event from browser");
+  });
+}
+
+function promiseTabEvent(container, eventType) {
+  return new Promise((resolve) => {
+    function handle(event) {
+      info("Received event " + eventType + " from container");
+      container.removeEventListener(eventType, handle, true);
+      resolve(event);
+    }
+
+    container.addEventListener(eventType, handle, true);
+    info("Now waiting for " + eventType + " event from container");
+  });
+}
+
+function promiseNotification(topic) {
+  Cu.import("resource://gre/modules/Services.jsm");
+
+  return new Promise((resolve, reject) => {
+    function observe(subject, topic, data) {
+      info("Received " + topic + " notification from Gecko");
+      Services.obs.removeObserver(observe, topic);
+      resolve();
+    }
+    Services.obs.addObserver(observe, topic, false);
+    info("Now waiting for " + topic + " notification from Gecko");
+  });
+}
+
+function promiseLinkVisit(url) {
+  Cu.import("resource://gre/modules/Services.jsm");
+
+  var topic = "link-visited";
+  return new Promise((resolve, reject) => {
+    function observe(subject, topic, data) {
+      info("Received " + topic + " notification from Gecko");
+      var uri = subject.QueryInterface(Ci.nsIURI);
+      if (uri.spec != url) {
+        info("Visited URL " + uri.spec + " is not desired URL " + url + "; ignoring.");
+        return;
+      }
+      info("Visited URL " + uri.spec + " is desired URL " + url);
+      Services.obs.removeObserver(observe, topic);
+      resolve();
+    };
+    Services.obs.addObserver(observe, topic, false);
+    info("Now waiting for " + topic + " notification from Gecko with URL " + url);
+  });
+}