1 files changed, 17 insertions, 0 deletions
diff --git a/testing/web-platform/tests/resource-timing/resource_nested_dedicated_worker.worker.js b/testing/web-platform/tests/resource-timing/resource_nested_dedicated_worker.worker.js
new file mode 100644
index 0000000000..2c9f5f9542
--- /dev/null
+++ b/testing/web-platform/tests/resource-timing/resource_nested_dedicated_worker.worker.js
@@ -0,0 +1,17 @@
+importScripts("/resources/testharness.js");
+
+async_test(function() {
+  const worker = new Worker('resources/worker_with_images.js');
+  worker.onmessage = this.step_func_done((event) => {
+    const childNumEntries = event.data;
+    assert_equals(2, childNumEntries,
+      "There should be two resource timing entries: 2 image XHRs");
+
+    const parentNumEntries = performance.getEntries().length;
+    assert_equals(2, parentNumEntries,
+      "There should be two resource timing entries: " +
+      "one is for importScripts() and the another is for a nested worker");
+    worker.terminate();
+  });
+}, "Resource timing for nested dedicated workers");
+done();