diff -r 000000000000 -r 6474c204b198 content/media/test/seek7.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/content/media/test/seek7.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,34 @@
+function test_seek7(v, seekTime, is, ok, finish) {
+
+// If a NaN is passed to currentTime, make sure this is caught
+// otherwise an infinite loop in the Ogg backend occurs.
+var completed = false;
+var thrown1 = false;
+var thrown2 = false;
+var thrown3 = false;
+
+function startTest() {
+  if (completed)
+    return;
+
+  try {
+    v.currentTime = NaN;
+  } catch(e) {
+    thrown1 = true;
+  }
+
+  try {
+    v.currentTime = Math.random;
+  } catch(e) {
+    thrown3 = true;
+  }
+
+  completed = true;
+  ok(thrown1, "Setting currentTime to invalid value of NaN");
+  ok(thrown3, "Setting currentTime to invalid value of a function");
+  finish();
+}
+
+v.addEventListener("loadedmetadata", startTest, false);
+
+}