1 files changed, 49 insertions, 0 deletions
diff --git a/dom/serviceworkers/test/notificationclick_focus.js b/dom/serviceworkers/test/notificationclick_focus.js
new file mode 100644
index 0000000000..1f0924560a
--- /dev/null
+++ b/dom/serviceworkers/test/notificationclick_focus.js
@@ -0,0 +1,49 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/publicdomain/zero/1.0/
+//
+
+function promisifyTimerFocus(client, delay) {
+  return new Promise(function (resolve, reject) {
+    setTimeout(function () {
+      client.focus().then(resolve, reject);
+    }, delay);
+  });
+}
+
+onnotificationclick = function (e) {
+  e.waitUntil(
+    self.clients.matchAll().then(function (clients) {
+      if (clients.length === 0) {
+        dump(
+          "********************* CLIENTS LIST EMPTY! Test will timeout! ***********************\n"
+        );
+        return Promise.resolve();
+      }
+
+      var immediatePromise = clients[0].focus();
+      var withinTimeout = promisifyTimerFocus(clients[0], 100);
+
+      var afterTimeout = promisifyTimerFocus(clients[0], 2000).then(
+        function () {
+          throw "Should have failed!";
+        },
+        function () {
+          return Promise.resolve();
+        }
+      );
+
+      return Promise.all([immediatePromise, withinTimeout, afterTimeout])
+        .then(function () {
+          clients.forEach(function (client) {
+            client.postMessage({ ok: true });
+          });
+        })
+        .catch(function (ex) {
+          dump("Error " + ex + "\n");
+          clients.forEach(function (client) {
+            client.postMessage({ ok: false });
+          });
+        });
+    })
+  );
+};