1 files changed, 18 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/resource-selection-resumes-onload.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/resource-selection-resumes-onload.html
new file mode 100644
index 0000000000..b166763d14
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/loading-the-media-resource/resource-selection-resumes-onload.html
@@ -0,0 +1,18 @@
+<!doctype html>
+<title>resource selection should not delay the load event indefinitely</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id=log></div>
+<video></video>
+<script>
+async_test(function(t) {
+  const v = document.querySelector('video');
+  v.onloadstart = t.unreached_func("loadstart event should not be fired when the resource selection algorithm cannot determine mode");
+  const s = document.createElement('source');
+  v.appendChild(s); // this will trigger resource selection
+  v.removeChild(s); // force an early return in resource selection algorithm
+  window.onload = t.step_func_done(function() {
+    assert_equals(v.networkState, v.NETWORK_EMPTY);
+  });
+});
+</script>