1 files changed, 13 insertions, 0 deletions
diff --git a/testing/web-platform/tests/xhr/sync-no-progress.any.js b/testing/web-platform/tests/xhr/sync-no-progress.any.js
new file mode 100644
index 0000000000..aba82043a7
--- /dev/null
+++ b/testing/web-platform/tests/xhr/sync-no-progress.any.js
@@ -0,0 +1,13 @@
+// META: timeout=long
+test(t => {
+  let xhr = new XMLHttpRequest();
+  let loadEventFired = false;
+  xhr.onprogress = t.unreached_func('progress event should not be fired');
+  xhr.onload = () => {
+    loadEventFired = true;
+  };
+  xhr.open('GET', 'resources/trickle.py?count=4&delay=150', false);
+  xhr.send();
+  // Check the load event as a sanity check that the test is working.
+  assert_true(loadEventFired, 'load event should have fired');
+}, 'progress event should not be fired by sync XHR');