a RingElement is an Element

lib/RingElement.js

@@ -0,0 +1,15 @@
+
+var util = require('util');
+
+var Element = require('./Element.js');
+
+function RingElement() {
+  var self = this;
+
+  Element.call(self, arguments);
+};
+
+util.inherits(RingElement, Element);
+
+module.exports = RingElement;
+

test/Collection.js

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+
+var assert  = require('assert');
+var algebra = require('../index.js');
+
+var Collection = algebra.Collection;
+var Element    = algebra.Element;
+
+var e1 = new Element(); 
+var e2 = new Element(); 
+var elements = [e1, e2];
+
+describe('Collection', function () {
+    describe('constructor:', function () {
+      it('accepts an array of elements as sinle argument', function () {
+        var collection = new Collection(elements);
+
+        assert.ok(collection instanceof Collection);
+      });
+    });
+
+    describe('getElements()', function () {
+      it('returns the collection\'s elements', function () {
+
+      });
+    });
+});
+

test/Element.js

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+
+var assert = require('assert');
+var algebra = require('../index.js');
+
+var Element = algebra.Element;
+
+describe('Element', function () {
+  describe('constructor:', function () {
+    it('', function () {
+    });
+  });
+
+  describe('getData()', function () {
+    it('is an abstract function', function () {
+    });
+  });
+
+  describe('setData()', function () {
+    it('is an abstract function', function () {
+    });
+  });
+});
+
+