diff -r efd9c589177a -r c0b4a8b5a012 toolkit/javascript/d3/test/core/values-test.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/test/core/values-test.js	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,35 @@
+require("../env");
+require("../../d3");
+
+var vows = require("vows"),
+    assert = require("assert");
+
+var suite = vows.describe("d3.values");
+
+suite.addBatch({
+  "values": {
+    topic: function() {
+      return d3.values;
+    },
+    "enumerates every value": function(values) {
+      assert.deepEqual(values({a: 1, b: 2}), [1, 2]);
+    },
+    "includes values defined on prototypes": function(values) {
+      function abc() {
+        this.a = 1;
+        this.b = 2;
+      }
+      abc.prototype.c = 3;
+      assert.deepEqual(values(new abc()), [1, 2, 3]);
+    },
+    "includes null or undefined values": function(values) {
+      var v = values({a: undefined, b: null, c: NaN});
+      assert.isUndefined(v[0]);
+      assert.isNull(v[1]);
+      assert.isNaN(v[2]);
+      assert.equal(v.length, 3);
+    }
+  }
+});
+
+suite.export(module);