1 files changed, 52 insertions, 0 deletions
diff --git a/testing/web-platform/tests/XMLHttpRequest/abort-event-order.htm b/testing/web-platform/tests/XMLHttpRequest/abort-event-order.htm
new file mode 100644
index 000000000..f05c20628
--- /dev/null
+++ b/testing/web-platform/tests/XMLHttpRequest/abort-event-order.htm
@@ -0,0 +1,52 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <link rel="help" href="https://xhr.spec.whatwg.org/#the-abort()-method" data-tested-assertations="following-sibling::ol/li[4]/ol/li[3] following-sibling::ol/li[4]/ol/li[5] following-sibling::ol/li[4]/ol/li[6] following-sibling::ol/li[4]/ol/li[7]/ol/li[3] following-sibling::ol/li[4]/ol/li[7]/ol/li[4] following-sibling::ol/li[5]" />
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <script src="resources/xmlhttprequest-event-order.js"></script>
+    <title>XMLHttpRequest: The abort() method: abort and loadend events</title>
+</head>
+
+<body>
+    <div id="log"></div>
+
+    <script type="text/javascript">
+        var test = async_test();
+
+        test.step(function()
+        {
+            var xhr = new XMLHttpRequest();
+            prepare_xhr_for_event_order_test(xhr);
+
+            xhr.addEventListener("loadstart", function() {
+                test.step(function()
+                {
+                    var readyState = xhr.readyState;
+                    if (readyState == 1)
+                    {
+                        xhr.abort();
+                        VerifyResult();
+                    } else {
+                        assert_unreached('Loadstart event should not fire in readyState '+readyState);
+                    }
+                });
+            });
+
+            function VerifyResult()
+            {
+                test.step(function()
+                {
+                    assert_xhr_event_order_matches([1, "loadstart(0,0,false)", 4, "upload.abort(0,0,false)", "upload.loadend(0,0,false)", "abort(0,0,false)", "loadend(0,0,false)"]);
+
+                    assert_equals(xhr.readyState, 0, 'state should be UNSENT');
+                    test.done();
+                });
+            };
+
+            xhr.open("POST", "./resources/content.py", true);
+            xhr.send("Test Message");
+        });
+    </script>
+</body>
+</html>