1 files changed, 85 insertions, 0 deletions
diff --git a/dom/workers/test/navigator_worker.js b/dom/workers/test/navigator_worker.js
new file mode 100644
index 0000000000..547203bbf4
--- /dev/null
+++ b/dom/workers/test/navigator_worker.js
@@ -0,0 +1,85 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+// IMPORTANT: Do not change the list below without review from a DOM peer!
+var supportedProps = [
+  "appCodeName",
+  "appName",
+  "appVersion",
+  "platform",
+  "product",
+  "userAgent",
+  "onLine",
+  "language",
+  "languages",
+  { name: "locks", isSecureContext: true },
+  "mediaCapabilities",
+  "hardwareConcurrency",
+  { name: "storage", isSecureContext: true },
+  "connection",
+];
+
+self.onmessage = function(event) {
+  if (!event || !event.data) {
+    return;
+  }
+
+  startTest(event.data);
+};
+
+function startTest(channelData) {
+  // Prepare the interface map showing if a propery should exist in this build.
+  // For example, if interfaceMap[foo] = true means navigator.foo should exist.
+  var interfaceMap = {};
+
+  for (var prop of supportedProps) {
+    if (typeof prop === "string") {
+      interfaceMap[prop] = true;
+      continue;
+    }
+
+    if (
+      prop.nightly === !channelData.isNightly ||
+      prop.release === !channelData.isRelease ||
+      prop.isSecureContext === !isSecureContext
+    ) {
+      interfaceMap[prop.name] = false;
+      continue;
+    }
+
+    interfaceMap[prop.name] = true;
+  }
+
+  for (var prop in navigator) {
+    // Make sure the list is current!
+    if (!interfaceMap[prop]) {
+      throw "Navigator has the '" + prop + "' property that isn't in the list!";
+    }
+  }
+
+  var obj;
+
+  for (var prop in interfaceMap) {
+    // Skip the property that is not supposed to exist in this build.
+    if (!interfaceMap[prop]) {
+      continue;
+    }
+
+    if (typeof navigator[prop] == "undefined") {
+      throw "Navigator has no '" + prop + "' property!";
+    }
+
+    obj = { name: prop };
+    obj.value = navigator[prop];
+
+    postMessage(JSON.stringify(obj));
+  }
+
+  obj = {
+    name: "testFinished",
+  };
+
+  postMessage(JSON.stringify(obj));
+}