1 files changed, 37 insertions, 0 deletions
diff --git a/dom/workers/test/WorkerTest_subworker.js b/dom/workers/test/WorkerTest_subworker.js
new file mode 100644
index 0000000000..0022fc5046
--- /dev/null
+++ b/dom/workers/test/WorkerTest_subworker.js
@@ -0,0 +1,37 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+onmessage = function (event) {
+  let chromeURL = event.data.replace(
+    "test_chromeWorkerJSM.xhtml",
+    "WorkerTest_badworker.js"
+  );
+
+  let mochitestURL = event.data
+    .replace("test_chromeWorkerJSM.xhtml", "WorkerTest_badworker.js")
+    .replace(
+      "chrome://mochitests/content/chrome",
+      "http://mochi.test:8888/tests"
+    );
+
+  // We should be able to XHR to anything we want, including a chrome URL.
+  let xhr = new XMLHttpRequest();
+  xhr.open("GET", mochitestURL, false);
+  xhr.send();
+
+  if (!xhr.responseText) {
+    throw "Can't load script file via XHR!";
+  }
+
+  // We shouldn't be able to make a ChromeWorker to a non-chrome URL.
+  try {
+    new ChromeWorker(mochitestURL);
+  } catch (e) {
+    if (e.name === "SecurityError") {
+      postMessage("Done");
+      return;
+    }
+  }
+  throw "creating a chrome worker with a bad URL should throw a SecurityError";
+};