1 files changed, 63 insertions, 0 deletions
diff --git a/dom/workers/test/importScripts_worker.js b/dom/workers/test/importScripts_worker.js
new file mode 100644
index 0000000000..b206df1e75
--- /dev/null
+++ b/dom/workers/test/importScripts_worker.js
@@ -0,0 +1,63 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+// Try no args. This shouldn't do anything.
+importScripts();
+
+// This caused security exceptions in the past, make sure it doesn't!
+var constructor = {}.constructor;
+
+importScripts("importScripts_worker_imported1.js");
+
+// Try to call a function defined in the imported script.
+importedScriptFunction();
+
+function tryBadScripts() {
+  var badScripts = [
+    // Has a syntax error
+    "importScripts_worker_imported3.js",
+    // Throws an exception
+    "importScripts_worker_imported4.js",
+    // Shouldn't exist!
+    "http://example.com/non-existing/importScripts_worker_foo.js",
+    // Not a valid url
+    "http://notadomain::notafile aword",
+  ];
+
+  for (var i = 0; i < badScripts.length; i++) {
+    var caughtException = false;
+    var url = badScripts[i];
+    try {
+      importScripts(url);
+    } catch (e) {
+      caughtException = true;
+    }
+    if (!caughtException) {
+      throw "Bad script didn't throw exception: " + url;
+    }
+  }
+}
+
+const url = "data:text/javascript,const startResponse = 'started';";
+importScripts(url);
+
+onmessage = function (event) {
+  switch (event.data) {
+    case "start":
+      importScripts("importScripts_worker_imported2.js");
+      importedScriptFunction2();
+      tryBadScripts();
+      postMessage(startResponse);
+      break;
+    case "stop":
+      tryBadScripts();
+      postMessage("stopped");
+      break;
+    default:
+      throw new Error("Bad message: " + event.data);
+      break;
+  }
+};
+
+tryBadScripts();