--- a/js/flotr2/spec/Flotr.js
+++ b/js/flotr2/spec/Flotr.js
@@ -1,1 +1,77 @@
+describe('Flotr', function () {
 
+  describe('Plots', function () {
+
+    var
+      nodeA, nodeB,
+      a, b;
+
+    beforeEach(function () {
+
+      // Add imagediff matchers
+      this.addMatchers(imagediff.jasmine);
+
+      nodeA = buildNode();
+      nodeB = buildNode();
+    });
+
+    afterEach(function () {
+      destroyNode(nodeA);
+      destroyNode(nodeB);
+      a = null;
+      b = null;
+      Flotr = null;
+    });
+
+    _.each(TestFlotr.ExampleList.examples, function (example, key) {
+
+      it('should draw a `' + example.name + '`line graph', function () {
+
+        executeExampleTest(example, StableFlotr, nodeA);
+        executeExampleTest(example, TestFlotr, nodeB);
+
+        if (example.timeout) {
+          waits(example.timeout);
+          runs (function () {
+            expect(nodeB.graph.ctx).toImageDiffEqual(nodeA.graph.ctx, example.tolerance || 0);
+          });
+        } else {
+          expect(nodeB.graph.ctx).toImageDiffEqual(nodeA.graph.ctx, example.tolerance || 0);
+        }
+      });
+    });
+
+    // Helpers
+
+    function executeExampleTest (example, flotr, node) {
+      Math.seedrandom(example.key);
+      Flotr = flotr;
+      example.callback.apply(this, [node].concat(example.args || []));
+    }
+
+    function buildNode () {
+      var node = document.createElement('div');
+      document.body.appendChild(node);
+      node.style.width = '320px';
+      node.style.height = '240px';
+      return node;
+    }
+
+    function destroyNode (node) {
+      document.body.removeChild(node);
+    }
+  });
+
+  describe('Main', function () {
+
+    it('gets a tick size', function () {
+      expect(TestFlotr.getTickSize).not.toBeUndefined();
+      expect(TestFlotr.getTickSize(10, 0, 100, 1)).toEqual(10);
+      expect(TestFlotr.getTickSize(20, 0, 100, 1)).toEqual(5);
+      expect(TestFlotr.getTickSize(5, 10, 110, 1)).toEqual(20);
+      expect(TestFlotr.getTickSize(0, 0, 10, 1)).toEqual(Number.POSITIVE_INFINITY);
+      expect(isNaN(TestFlotr.getTickSize(0, 0, -10, 1))).toBeTruthy();
+    });
+  });
+});
+