diff --git a/format-data-before-final-empty-line.htm b/format-data-before-final-empty-line.htm
new file mode 100644
index 00000000000000..6836c63d0d6f8e
--- /dev/null
+++ b/format-data-before-final-empty-line.htm
@@ -0,0 +1,29 @@
+<!doctype html>
+<html>
+  <head>
+    <title>EventSource: a data before final empty line</title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+  </head>
+  <body>
+    <div id="log"></div>
+    <script>
+      var test = async_test()
+      test.step(function() {      
+        var source = new EventSource("resources/message.php?newline=none&message=" + encodeURIComponent("retry:1000\ndata:test1\n\nid:test\ndata:test2"))
+        var count = 0;
+        source.onmessage = function(e) {
+          if (++count === 2) {
+            test.step(function() {
+              assert_equals(e.lastEventId, "", "lastEventId")
+              assert_equals(e.data, "test1", "data")
+              source.close()
+            })
+            test.done()
+          }
+        }
+      })
+    </script>
+  </body>
+</html>
+
