1 files changed, 39 insertions, 0 deletions
diff --git a/testing/web-platform/tests/eventsource/eventsource-constructor-stringify.htm b/testing/web-platform/tests/eventsource/eventsource-constructor-stringify.htm
new file mode 100644
index 000000000..162fa342d
--- /dev/null
+++ b/testing/web-platform/tests/eventsource/eventsource-constructor-stringify.htm
@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <title>EventSource: stringify argument</title>
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+  </head>
+  <body>
+    <div id="log"></div>
+    <script>
+      async_test(function (test) {
+        test.step(function() {
+          var source = new EventSource({toString:function(){return "resources/message.py";}})
+          source.onopen = function(e) {
+            test.step(function() {
+              assert_false(e.hasOwnProperty('data'))
+              source.close()
+              test.done()
+            })
+          }
+        });
+      }, document.title + ', object');
+
+      test(function(){
+        var source = new EventSource(1);
+        assert_regexp_match(source.url, /\/1$/);
+      }, document.title + ', 1');
+      test(function(){
+        var source = new EventSource(null);
+        assert_regexp_match(source.url, /\/null$/);
+      }, document.title + ', null');
+      test(function(){
+        var source = new EventSource(undefined);
+        assert_regexp_match(source.url, /\/undefined$/);
+      }, document.title + ', undefined');
+    </script>
+  </body>
+</html>
+