1 files changed, 13 insertions, 0 deletions
diff --git a/testing/web-platform/tests/eventsource/format-field-unknown.any.js b/testing/web-platform/tests/eventsource/format-field-unknown.any.js
new file mode 100644
index 0000000000..f702ed8565
--- /dev/null
+++ b/testing/web-platform/tests/eventsource/format-field-unknown.any.js
@@ -0,0 +1,13 @@
+// META: title=EventSource: unknown fields and parsing fun
+      var test = async_test()
+      test.step(function() {
+        var source = new EventSource("resources/message.py?message=data%3Atest%0A%20data%0Adata%0Afoobar%3Axxx%0Ajustsometext%0A%3Athisisacommentyay%0Adata%3Atest")
+        source.onmessage = function(e) {
+          test.step(function() {
+            assert_equals("test\n\ntest", e.data)
+            source.close()
+          })
+          test.done()
+        }
+      })
+