1 files changed, 28 insertions, 0 deletions
diff --git a/testing/web-platform/tests/eventsource/eventsource-onopen.htm b/testing/web-platform/tests/eventsource/eventsource-onopen.htm
new file mode 100644
index 000000000..1c9bfe03c
--- /dev/null
+++ b/testing/web-platform/tests/eventsource/eventsource-onopen.htm
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>EventSource: onopen (announcing the connection)</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() {
+        source = new EventSource("resources/message.py")
+        source.onopen = function(e) {
+          test.step(function() {
+            assert_equals(source.readyState, source.OPEN)
+            assert_false(e.hasOwnProperty('data'))
+            assert_false(e.bubbles)
+            assert_false(e.cancelable)
+            this.close()
+          }, this)
+          test.done()
+        }
+      })
+    </script>
+  </body>
+</html>
+