add a test script to show binary message passing

scripts/developer/tests/messagesTests.js

@@ -0,0 +1,38 @@
+
+var channelName = "com.highfidelity.example.dataMessages";
+
+Messages.subscribe(channelName);
+
+//messageReceived(QString channel, QString message, QUuid senderUUID, bool localOnly);
+Messages.messageReceived.connect(function(channel, message, sender, local) {
+    print("message recieved on ", channel, " message:", message, " from:", sender, " local:", local);
+});
+
+Messages.dataReceived.connect(function(channel, data, sender, local) {
+    var int8data = new Int8Array(data);
+    var dataAsString;
+    for (var i = 0; i < int8data.length; i++) {
+        if (i > 0) {
+            dataAsString += ", ";
+        }
+        dataAsString += int8data[i];
+    }
+    print("data recieved on ", channel, " from:", sender, " local:", local, "length of data:", int8data.length, " data:", dataAsString);
+});
+
+var counter = 0;
+Script.update.connect(function(){
+    counter++;
+    if (counter == 100) {
+        Messages.sendMessage(channelName, "foo");
+    } else if (counter == 200) {
+        var data = new Int8Array([0,1,10,2,20,3,30]);
+        print("about to call sendData() data.length:", data.length);
+        Messages.sendData(channelName, data.buffer);
+        counter = 0;
+    }
+});
+
+Script.scriptEnding.connect(function(){
+    Messages.unsubscribe(channelName);
+});