1 files changed, 31 insertions, 0 deletions
diff --git a/testing/web-platform/tests/speculation-rules/prerender/resources/dedicated-worker.https.html b/testing/web-platform/tests/speculation-rules/prerender/resources/dedicated-worker.https.html
new file mode 100644
index 0000000000..570d4b33a1
--- /dev/null
+++ b/testing/web-platform/tests/speculation-rules/prerender/resources/dedicated-worker.https.html
@@ -0,0 +1,31 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/speculation-rules/prerender/resources/utils.js"></script>
+<script src="/speculation-rules/prerender/resources/deferred-promise-utils.js"></script>
+<script>
+
+const params = new URLSearchParams(location.search);
+
+// The main test page (restriction-dedicated-worker.https.html) loads the
+// initiator page, then the initiator page will prerender itself with the
+// `prerendering` parameter.
+const isPrerendering = params.has('prerendering');
+
+if (!isPrerendering) {
+  loadInitiatorPage();
+} else {
+  const prerenderEventCollector = new PrerenderEventCollector();
+  const promise = new Promise((resolve, reject) => {
+    try {
+      const worker = new Worker('dedicated-worker.js');
+      worker.addEventListener('message', _ => resolve());
+      worker.addEventListener('error', _ => reject('Error on worker'));
+    } catch (e) {
+      reject(`Worker construction error: ${e.toString()}`);
+    }
+  });
+  prerenderEventCollector.start(promise, 'worker construction');
+}
+
+</script>