diff -r 000000000000 -r 6474c204b198 content/media/test/seek4.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/media/test/seek4.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,44 @@
+function test_seek4(v, seekTime, is, ok, finish) {
+
+// Test for a seek, followed by another seek before the first is complete.
+var seekCount = 0;
+var completed = false;
+
+function startTest() {
+  if (completed)
+    return;
+
+  v.currentTime=seekTime;
+  v._seekTarget=seekTime;
+}
+
+function seekStarted() {
+  if (completed)
+    return;
+
+  seekCount += 1;
+
+  ok(v.currentTime >= v._seekTarget - 0.1,
+     "Video currentTime should be around " + v._seekTarget + ": " + v.currentTime);
+  if (seekCount == 1) {
+    v.currentTime=seekTime/2;
+    v._seekTarget=seekTime/2;
+  }
+}
+
+function seekEnded() {
+  if (completed)
+    return;
+
+  if (seekCount == 2) {
+    ok(Math.abs(v.currentTime - seekTime/2) <= 0.1, "seek on target: " + v.currentTime);
+    completed = true;
+    finish();
+  }
+}
+
+v.addEventListener("loadedmetadata", startTest, false);
+v.addEventListener("seeking", seekStarted, false);
+v.addEventListener("seeked", seekEnded, false);
+
+}