1 files changed, 54 insertions, 0 deletions
diff --git a/dom/serviceworkers/test/onmessageerror_worker.js b/dom/serviceworkers/test/onmessageerror_worker.js
new file mode 100644
index 0000000000..15426128a6
--- /dev/null
+++ b/dom/serviceworkers/test/onmessageerror_worker.js
@@ -0,0 +1,54 @@
+async function getSwContainer() {
+  const clients = await self.clients.matchAll({
+    type: "window",
+    includeUncontrolled: true,
+  });
+
+  for (let client of clients) {
+    if (client.url.endsWith("test_onmessageerror.html")) {
+      return client;
+    }
+  }
+}
+
+self.addEventListener("message", async e => {
+  const config = e.data;
+  const swContainer = await getSwContainer();
+
+  if (config == "send-bad-message") {
+    const serializable = true;
+    const deserializable = false;
+
+    swContainer.postMessage(
+      new StructuredCloneTester(serializable, deserializable)
+    );
+
+    return;
+  }
+
+  if (!config.serializable) {
+    swContainer.postMessage({
+      result: "Error",
+      reason: "Service Worker received an unserializable object",
+    });
+
+    return;
+  }
+
+  if (!config.deserializable) {
+    swContainer.postMessage({
+      result: "Error",
+      reason:
+        "Service Worker received (and deserialized) an un-deserializable object",
+    });
+
+    return;
+  }
+
+  swContainer.postMessage({ received: "message" });
+});
+
+self.addEventListener("messageerror", async () => {
+  const swContainer = await getSwContainer();
+  swContainer.postMessage({ received: "messageerror" });
+});