Update tests.

test/lib/uniq.js

@@ -0,0 +1,48 @@
+/* uniq 0.3.1 - http://larsjung.de/uniq/ */
+(function (root, factory) {
+    'use strict';
+
+    if (typeof module !== 'undefined') {
+        module.exports = factory();
+    } else {
+        root.uniq = factory();
+    }
+}(this, function () {
+    'use strict';
+
+    var PREFIX = 'UNIQ-';
+    var SUFFIX = '-ID';
+    var LENGTH = 4;
+    var ZERO_PAD = new Array(LENGTH + 1).join('0');
+    var RE_ID = new RegExp('^' + PREFIX + '\\d{' + LENGTH + '}' + SUFFIX + '$');
+
+    var counter = 0;
+
+    function id() {
+
+        counter += 1;
+        return PREFIX + (ZERO_PAD + counter).substr(-LENGTH) + SUFFIX;
+    }
+
+    function isId(sequence) {
+
+        return RE_ID.test(sequence);
+    }
+
+    function obj() {
+
+        return {_uniq_id: id()};
+    }
+
+    function path(suffix) {
+
+        return '/_uniq_path/' + id() + (suffix ? suffix : '');
+    }
+
+    return {
+        id: id,
+        isId: isId,
+        obj: obj,
+        path: path
+    };
+}));