1 files changed, 21 insertions, 0 deletions
diff --git a/testing/web-platform/tests/xhr/event-timeout-order.any.js b/testing/web-platform/tests/xhr/event-timeout-order.any.js
new file mode 100644
index 0000000000..74daff976c
--- /dev/null
+++ b/testing/web-platform/tests/xhr/event-timeout-order.any.js
@@ -0,0 +1,21 @@
+// META: title=XMLHttpRequest: event - timeout (order of events)
+// META: script=resources/xmlhttprequest-event-order.js
+
+var test = async_test();
+test.step(function () {
+    var xhr = new XMLHttpRequest();
+    prepare_xhr_for_event_order_test(xhr);
+    xhr.addEventListener("loadend", function () {
+        test.step(function () {
+            assert_xhr_event_order_matches([1, "loadstart(0,0,false)", "upload.loadstart(0,12,true)", 4, "upload.timeout(0,0,false)", "upload.loadend(0,0,false)", "timeout(0,0,false)", "loadend(0,0,false)"]);
+            test.done();
+        });
+    });
+
+    xhr.timeout = 5;
+    xhr.open("POST", "resources/delay.py?ms=20000");
+    xhr.send("Test Message");
+    test.step_timeout(() => {
+        assert_unreached("ontimeout not called.");
+    }, 2000);
+});