1 files changed, 13 insertions, 0 deletions
diff --git a/testing/web-platform/tests/secure-contexts/support/parent-shared-worker-script.js b/testing/web-platform/tests/secure-contexts/support/parent-shared-worker-script.js
new file mode 100644
index 0000000000..083564a054
--- /dev/null
+++ b/testing/web-platform/tests/secure-contexts/support/parent-shared-worker-script.js
@@ -0,0 +1,13 @@
+addEventListener("connect", function (e) {
+  var port = e.ports[0];
+  port.start();
+  // If nested workers aren't supported, punt:
+  if (typeof Worker != "undefined") {
+    var w = new Worker("dedicated-worker-script.js");
+    w.onmessage = function (e) {
+      port.postMessage(e.data);
+    }
+  } else {
+    port.postMessage("Nested workers not supported.");
+  }
+});