1 files changed, 21 insertions, 0 deletions
diff --git a/testing/web-platform/tests/workers/semantics/run-a-worker/003.html b/testing/web-platform/tests/workers/semantics/run-a-worker/003.html
new file mode 100644
index 000000000..8c2f07ee7
--- /dev/null
+++ b/testing/web-platform/tests/workers/semantics/run-a-worker/003.html
@@ -0,0 +1,21 @@
+<!doctype html>
+<title>handling for 404 response</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<div id=log></div>
+<script>
+setup({allow_uncaught_exception: true});
+
+async_test(function() {
+  var worker = new Worker('404_worker');
+  worker.onerror = this.step_func(function(e) { this.done(); });
+}, 'worker');
+
+async_test(function() {
+  var shared = new SharedWorker('404_shared');
+  // NOTE: this handler will not fire, as runtime scripting errors
+  // are not forwarded to SharedWorker objects, but instead reported to the user directly.
+  shared.onerror = this.step_func(function(e) { assert_unreached(); }, shared, 'error');
+  step_timeout(this.step_func(function() { this.done(); }), 5000);
+}, 'shared');
+</script>