2 files changed, 69 insertions, 0 deletions
diff --git a/dom/performance/tests/mochitest.ini b/dom/performance/tests/mochitest.ini
index 7005637e1b..bee0b2e700 100644
--- a/dom/performance/tests/mochitest.ini
+++ b/dom/performance/tests/mochitest.ini
@@ -13,3 +13,4 @@ support-files =
 [test_worker_observer.html]
 [test_sharedWorker_performance_user_timing.html]
 [test_worker_performance_now.html]
+[test_timeOrigin.html]
diff --git a/dom/performance/tests/test_timeOrigin.html b/dom/performance/tests/test_timeOrigin.html
new file mode 100644
index 0000000000..5a8a461f30
--- /dev/null
+++ b/dom/performance/tests/test_timeOrigin.html
@@ -0,0 +1,68 @@
+<!DOCTYPE HTML>
+<html>
+  <head>
+    <title>Test for performance.timeOrigin</title>
+    <meta http-equiv="content-type" content="text/html; charset=UTF-8">
+    <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+    <script type="text/javascript" src="test_performance_user_timing.js"></script>
+  </head>
+  <body>
+    <script type="text/js-worker" id="worker-src">
+      postMessage({ now: performance.now(), timeOrigin: performance.timeOrigin });
+    </script>
+
+    <script type="text/js-worker" id="shared-worker-src">
+      onconnect = function(evt) {
+        evt.ports[0].postMessage({ now: performance.now(), timeOrigin: performance.timeOrigin });
+      };
+    </script>
+
+    <script class="testbody" type="text/javascript">
+
+function testBasic() {
+  ok("timeOrigin" in performance, "Performance.timeOrigin exists.");
+  ok(performance.timeOrigin > 0, "TimeOrigin must be greater than 0.");
+  next();
+}
+
+function testWorker() {
+  var now = performance.now();
+
+  var blob = new Blob([ document.getElementById("worker-src").textContent ],
+                      { type: "text/javascript" });
+  var w = new Worker(URL.createObjectURL(blob));
+  w.onmessage = function(e) {
+    ok (e.now + e.timeOrigin > now + performance.now, "Comparing worker.now and window.now");
+    next();
+  }
+}
+
+function testSharedWorker() {
+  var now = performance.now();
+
+  var blob = new Blob([ document.getElementById("shared-worker-src").textContent ],
+                      { type: "text/javascript" });
+  var w = new SharedWorker(URL.createObjectURL(blob));
+  w.port.onmessage = function(e) {
+    ok (e.now + e.timeOrigin > now + performance.now, "Comparing worker.now and window.now");
+    next();
+  }
+}
+
+var tests = [ testBasic, testWorker, testSharedWorker ];
+function next() {
+  if (!tests.length) {
+    SimpleTest.finish();
+    return;
+  }
+
+  var test = tests.shift();
+  test();
+}
+
+SimpleTest.waitForExplicitFinish();
+addLoadEvent(next);
+      </script>
+    </pre>
+  </body>
+</html>