added example code

example/test.js

@@ -0,0 +1,58 @@
+(function() {
+    var Locker    = require("./../index"),
+        locker    = new Locker(4545, "127.0.0.1"),
+        name      = "five",
+        wait      = 1500,
+        timeout   = 200,
+        work      = 190,
+        requests  = 10,
+        iteration = 0;
+
+    console.log("Setting up reset listener");
+    locker.on("reset", function() {
+        console.log("Reset happened (is server running?)");
+    });
+
+    console.log("Setting up errror listener");
+    locker.on("error", function(error) {
+        console.log("Catched error:", error);
+    });
+
+    function testLock() {
+        var started = new Date().getTime(),
+            current = iteration;
+
+        locker.locked(name, wait, timeout, function(error, callback) {
+            var acquired = new Date().getTime();
+
+            if (error) {
+                console.log("[" + current + "] Lock failed after " + (acquired - started) + "ms of waiting");
+            } else {
+                console.log("[" + current + "] Successful lock after " + (acquired - started) + "ms of waiting");
+            }
+
+            if (!error) {
+                setTimeout(function() {
+                    callback();
+                }, work);
+            }
+        });
+    };
+
+    console.log();
+    console.log("Starting test:");
+    console.log("                 key: " + name);
+    console.log("           wait time: " + wait + "ms");
+    console.log("        lock timeout: " + timeout + "ms");
+    console.log("     time under lock: " + work + "ms");
+    console.log("time to release lock: " + (timeout - work) + "ms (up to)");
+    console.log("  amount of requests: " + requests);
+    console.log();
+
+    for (; iteration < requests; iteration++) {
+        testLock();
+    }
+
+    console.log("Lock requests finished, waiting to end.");
+    console.log()
+})();