1 files changed, 25 insertions, 0 deletions
diff --git a/testing/web-platform/tests/eventsource/format-field-id-2.any.js b/testing/web-platform/tests/eventsource/format-field-id-2.any.js
new file mode 100644
index 0000000000..9933f46b87
--- /dev/null
+++ b/testing/web-platform/tests/eventsource/format-field-id-2.any.js
@@ -0,0 +1,25 @@
+// META: title=EventSource: Last-Event-ID (2)
+    var test = async_test()
+      test.step(function() {
+        var source = new EventSource("resources/last-event-id.py"),
+            counter = 0
+        source.onmessage = function(e) {
+          test.step(function() {
+            if(e.data == "hello" && counter == 0) {
+              counter++
+              assert_equals(e.lastEventId, "…")
+            } else if(counter == 1) {
+              counter++
+              assert_equals("…", e.data)
+              assert_equals("…", e.lastEventId)
+            } else if(counter == 2) {
+              counter++
+              assert_equals("…", e.data)
+              assert_equals("…", e.lastEventId)
+              source.close()
+              test.done()
+            } else
+              assert_unreached()
+          })
+        }
+      })