1 files changed, 25 insertions, 0 deletions
diff --git a/testing/web-platform/tests/eventsource/format-mime-bogus.any.js b/testing/web-platform/tests/eventsource/format-mime-bogus.any.js
new file mode 100644
index 0000000000..18c7c7d4a4
--- /dev/null
+++ b/testing/web-platform/tests/eventsource/format-mime-bogus.any.js
@@ -0,0 +1,25 @@
+// META: title=EventSource: bogus MIME type
+      var test = async_test()
+      test.step(function() {
+        var source = new EventSource("resources/message.py?mime=x%20bogus")
+        source.onmessage = function() {
+          test.step(function() {
+            assert_unreached()
+            source.close()
+          })
+          test.done()
+        }
+        source.onerror = function(e) {
+          test.step(function() {
+            assert_equals(this.readyState, this.CLOSED)
+            assert_false(e.hasOwnProperty('data'))
+            assert_false(e.bubbles)
+            assert_false(e.cancelable)
+            this.close()
+          }, this)
+          test.done()
+        }
+      })
+    // This tests "fails the connection" as well as making sure a simple
+    //      event is dispatched and not a MessageEvent
+