1 files changed, 46 insertions, 0 deletions
diff --git a/testing/mochitest/tests/SimpleTest/WorkerHandler.js b/testing/mochitest/tests/SimpleTest/WorkerHandler.js
new file mode 100644
index 0000000000..7794087805
--- /dev/null
+++ b/testing/mochitest/tests/SimpleTest/WorkerHandler.js
@@ -0,0 +1,46 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Sets the worker message and error event handlers to respond to SimpleTest
+ * style messages.
+ */
+function listenForTests(worker, opts = { verbose: true }) {
+  worker.onerror = function (error) {
+    error.preventDefault();
+    ok(false, "Worker error " + error.message);
+  };
+  worker.onmessage = function (msg) {
+    if (opts && opts.verbose) {
+      ok(true, "MAIN: onmessage " + JSON.stringify(msg.data));
+    }
+    switch (msg.data.kind) {
+      case "is":
+        SimpleTest.ok(
+          msg.data.outcome,
+          msg.data.description + "( " + msg.data.a + " ==? " + msg.data.b + ")"
+        );
+        return;
+      case "isnot":
+        SimpleTest.ok(
+          msg.data.outcome,
+          msg.data.description + "( " + msg.data.a + " !=? " + msg.data.b + ")"
+        );
+        return;
+      case "ok":
+        SimpleTest.ok(msg.data.condition, msg.data.description);
+        return;
+      case "info":
+        SimpleTest.info(msg.data.description);
+        return;
+      case "finish":
+        SimpleTest.finish();
+        return;
+      default:
+        SimpleTest.ok(
+          false,
+          "test_osfile.xul: wrong message " + JSON.stringify(msg.data)
+        );
+    }
+  };
+}