1 files changed, 25 insertions, 0 deletions
diff --git a/dom/fetch/tests/credentialless_worker.sjs b/dom/fetch/tests/credentialless_worker.sjs
new file mode 100644
index 0000000000..a9e2197d18
--- /dev/null
+++ b/dom/fetch/tests/credentialless_worker.sjs
@@ -0,0 +1,25 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const WORKER = `
+  onmessage = function(event) {
+    fetch(event.data, {
+      mode: "no-cors",
+      credentials: "include"
+    }).then(function() {
+      postMessage("fetch done");
+    });
+  }
+`;
+
+function handleRequest(request, response) {
+  if (request.queryString === "credentialless") {
+    response.setHeader("Cross-Origin-Embedder-Policy", "credentialless", true);
+  }
+
+  response.setHeader("Content-Type", "application/javascript", false);
+  response.setStatusLine(request.httpVersion, "200", "Found");
+  response.write(WORKER);
+}