diff --git a/test/navigatorTest.js b/test/navigatorTest.js
index a1a46b4..bcaa73f 100644
--- a/test/navigatorTest.js
+++ b/test/navigatorTest.js
@@ -67,19 +67,48 @@ iframeAPI.forEachMethod(function(windowToUse, name){
 	processNavigatorObject(navigator, Object.keys(navigator.__proto__), name);
 });
 
-const worker = new Worker("navigatorTestWorker.js");
+function processWorkerNavigatorObject(data, name){
+	"use strict";
+	processNavigatorObject(data.values, Object.keys(data.values), name);
+	if (data.nestedValues){
+		processWorkerNavigatorObject(data.nestedValues, "nested " + name);
+	}
+}
+
+const worker = new Worker("navigatorTestWorker.js", {name: "Worker"});
 worker.addEventListener("message", function(event){
 	"use strict";
 	
-	processNavigatorObject(event.data, Object.keys(event.data), "Worker");
+	processWorkerNavigatorObject(event.data, "Worker");
 	worker.terminate();
 });
 
-const sharedWorker = new SharedWorker("navigatorTestWorker.js");
+fetch("navigatorTestWorker.js").then(function(response){
+	"use strict";
+	
+	return response.text();
+}).then(function(code){
+	"use strict";
+	
+	const blob = new Blob([code], {type: "text/javascript"});
+	const blobWorker = new Worker(URL.createObjectURL(blob), {name: "BlobWorker"});
+	blobWorker.addEventListener("message", function(event){
+		processWorkerNavigatorObject(event.data, "BlobWorker");
+		blobWorker.terminate();
+	});
+	
+	return blobWorker;
+}).catch(function(error){
+	"use strict";
+	
+	console.error("Unable to create BlobWorker:", error);
+});
+
+const sharedWorker = new SharedWorker("navigatorTestWorker.js", {name: "SharedWorker"});
 sharedWorker.port.addEventListener("message", function(event){
 	"use strict";
 	
-	processNavigatorObject(event.data, Object.keys(event.data), "SharedWorker");
+	processWorkerNavigatorObject(event.data, "SharedWorker");
 	sharedWorker.port.close();
 });
 sharedWorker.port.start();
@@ -89,7 +118,7 @@ navigator.serviceWorker.register("navigatorTestWorker.js").then(function(registr
 	
 	const worker = (registration.active || registration.waiting || registration.installing);
 	navigator.serviceWorker.addEventListener("message", function(event){
-		processNavigatorObject(event.data, Object.keys(event.data), "ServiceWorker");
+		processWorkerNavigatorObject(event.data, "ServiceWorker");
 		registration.unregister();
 	});
 	if (worker.state !== "activated"){
diff --git a/test/navigatorTestWorker.js b/test/navigatorTestWorker.js
index 3098842..cc64fe2 100644
--- a/test/navigatorTestWorker.js
+++ b/test/navigatorTestWorker.js
@@ -2,6 +2,7 @@
 	"use strict";
 	
 	const values = {};
+	let nestedValues = false;
 	const navigator = self.navigator;
 	Object.keys(navigator.__proto__).sort().forEach(function(property){
 		const value = navigator[property];
@@ -9,16 +10,49 @@
 			values[property] = value;
 		}
 	});
-	if (self.postMessage){
-		self.postMessage(values);
+	
+	const ports = [];
+	const sources = [];
+	let sendDelayed = false;
+	function sendData(){
+		sendDelayed = true;
+		if (self.postMessage){
+			self.postMessage({values, nestedValues});
+		}
+		ports.forEach(function(port){
+			port.postMessage({values, nestedValues});
+		});
+		sources.forEach(function(source){
+			source.postMessage({values, nestedValues});
+		});
 	}
 	self.addEventListener("connect", function(event){
 		event.ports.forEach(function(port){
-			port.postMessage(values);
+			ports.push(port);
 		});
+		if (sendDelayed){
+			sendData();
+		}
 	});
 	self.addEventListener("message", function(event){
-		event.source.postMessage(values);
-		return values;
+		sources.push(event.source);
+		if (sendDelayed){
+			sendData();
+		}
 	});
+	
+	if (
+		!(self.name && self.name.startsWith("nested nested")) &&
+		self.Worker
+	){
+		const worker = new Worker(self.location, {name: "nested " + (self.name || "")});
+		worker.addEventListener("message", function(event){
+			nestedValues = event.data;
+			worker.terminate();
+			sendData();
+		});
+	}
+	else {
+		sendData();
+	}
 }());
\ No newline at end of file