1 files changed, 30 insertions, 0 deletions
diff --git a/dom/serviceworkers/test/eventsource/eventsource_opaque_response_intercept_worker.js b/dom/serviceworkers/test/eventsource/eventsource_opaque_response_intercept_worker.js
new file mode 100644
index 0000000000..5c8c75a161
--- /dev/null
+++ b/dom/serviceworkers/test/eventsource/eventsource_opaque_response_intercept_worker.js
@@ -0,0 +1,30 @@
+// Cross origin request
+var prefix = "http://example.com/tests/dom/serviceworkers/test/eventsource/";
+
+self.importScripts("eventsource_worker_helper.js");
+
+self.addEventListener("fetch", function (event) {
+  var request = event.request;
+  var url = new URL(request.url);
+
+  if (
+    url.pathname !==
+    "/tests/dom/serviceworkers/test/eventsource/eventsource.resource"
+  ) {
+    return;
+  }
+
+  ok(request.mode === "cors", "EventSource should make a CORS request");
+  ok(
+    request.cache === "no-store",
+    "EventSource should make a no-store request"
+  );
+  var fetchRequest = new Request(prefix + "eventsource.resource", {
+    mode: "no-cors",
+  });
+  event.respondWith(
+    fetch(fetchRequest).then(fetchResponse => {
+      return fetchResponse;
+    })
+  );
+});