1 files changed, 21 insertions, 0 deletions
diff --git a/testing/web-platform/tests/service-workers/service-worker/resources/claim-blob-url-worker-fetch-iframe.html b/testing/web-platform/tests/service-workers/service-worker/resources/claim-blob-url-worker-fetch-iframe.html
new file mode 100644
index 0000000000..12ae1a8725
--- /dev/null
+++ b/testing/web-platform/tests/service-workers/service-worker/resources/claim-blob-url-worker-fetch-iframe.html
@@ -0,0 +1,21 @@
+<!doctype html>
+<script>
+const baseLocation = window.location;
+const workerScript =
+  `self.onmessage = async (e) => {
+    const url = new URL(e.data, '${baseLocation}').href;
+    const response = await fetch(url);
+    const text = await response.text();
+    self.postMessage(text);
+  };`;
+const blob = new Blob([workerScript], { type: 'text/javascript' });
+const blobUrl = URL.createObjectURL(blob);
+const worker = new Worker(blobUrl);
+
+function fetch_in_worker(url) {
+  return new Promise((resolve) => {
+    worker.onmessage = (e) => resolve(e.data);
+    worker.postMessage(url);
+  });
+}
+</script>