1 files changed, 70 insertions, 0 deletions
diff --git a/dom/workers/test/onLine_worker.js b/dom/workers/test/onLine_worker.js
new file mode 100644
index 0000000000..94c10c699c
--- /dev/null
+++ b/dom/workers/test/onLine_worker.js
@@ -0,0 +1,70 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+importScripts("onLine_worker_head.js");
+
+var N_CHILDREN = 3;
+var children = [];
+var finishedChildrenCount = 0;
+var lastTest = false;
+
+for (var event of ["online", "offline"]) {
+  addEventListener(
+    event,
+    makeHandler(
+      "addEventListener('%1', ..., false)",
+      event,
+      1,
+      "Parent Worker"
+    ),
+    false
+  );
+}
+
+onmessage = function (e) {
+  if (e.data === "lastTest") {
+    children.forEach(function (w) {
+      w.postMessage({ type: "lastTest" });
+    });
+    lastTest = true;
+  }
+};
+
+function setupChildren(cb) {
+  var readyCount = 0;
+  for (var i = 0; i < N_CHILDREN; ++i) {
+    var w = new Worker("onLine_worker_child.js");
+    children.push(w);
+
+    w.onerror = function (e) {
+      info("Error creating child " + e.message);
+    };
+
+    w.onmessage = function (e) {
+      if (e.data.type === "ready") {
+        info("Got ready from child");
+        readyCount++;
+        if (readyCount === N_CHILDREN) {
+          cb();
+        }
+      } else if (e.data.type === "finished") {
+        finishedChildrenCount++;
+
+        if (lastTest && finishedChildrenCount === N_CHILDREN) {
+          postMessage({ type: "finished" });
+          children = [];
+          close();
+        }
+      } else if (e.data.type === "ok") {
+        // Pass on test to page.
+        postMessage(e.data);
+      }
+    };
+  }
+}
+
+setupChildren(function () {
+  postMessage({ type: "ready" });
+});