1 files changed, 48 insertions, 0 deletions
diff --git a/testing/web-platform/tests/xhr/send-no-response-event-loadstart.htm b/testing/web-platform/tests/xhr/send-no-response-event-loadstart.htm
new file mode 100644
index 0000000000..cd4a0683ed
--- /dev/null
+++ b/testing/web-platform/tests/xhr/send-no-response-event-loadstart.htm
@@ -0,0 +1,48 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <link rel="help" href="https://xhr.spec.whatwg.org/#handler-xhr-onloadstart" data-tested-assertations="/../.." />
+    <link rel="help" href="https://xhr.spec.whatwg.org/#event-xhr-loadstart" data-tested-assertations="/../.." />
+    <link rel="help" href="https://xhr.spec.whatwg.org/#the-send()-method" data-tested-assertations="/following-sibling::ol/li[9]/ol/li[2]" />
+    <link rel="help" href="https://xhr.spec.whatwg.org/#the-response-attribute" data-tested-assertations="/following-sibling::ol/li[1]" />
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <title>XMLHttpRequest: The send() method: Fire a progress event named loadstart (no response entity body and the state is LOADING)</title>
+</head>
+
+<body>
+    <div id="log"></div>
+
+    <script type="text/javascript">
+        var test = async_test();
+
+        test.step(function()
+        {
+            var xhr = new XMLHttpRequest();
+
+            xhr.onreadystatechange = function()
+            {
+                test.step(function()
+                {
+                    if (xhr.readyState == 3)
+                    {
+                        assert_equals(xhr.response, "");
+                    }
+                    else if (xhr.readyState == 4)
+                    {
+                        assert_unreached("loadstart event did not fire in LOADING state!");
+                    }
+                });
+            };
+
+            xhr.onloadstart = function()
+            {
+                test.step(function() { test.done("Test done!"); });
+            };
+
+            xhr.open("POST", "./resources/content.py", true);
+            xhr.send();
+        });
+    </script>
+</body>
+</html>