--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/test/core/selection-node-test.js	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,50 @@
+require("../env");
+require("../../d3");
+
+var vows = require("vows"),
+    assert = require("assert");
+
+var suite = vows.describe("selection.node");
+
+suite.addBatch({
+  "select(body)": {
+    topic: function() {
+      return d3.select("body").html("");
+    },
+    "returns null for empty selections": function(body) {
+      assert.isNull(body.select("foo").node());
+    },
+    "returns the first element for non-empty selections": function(body) {
+      assert.isTrue(body.node() === document.body);
+    },
+    "ignores null nodes": function(body) {
+      var some = d3.select("body");
+      some[0][0] = null;
+      assert.isNull(some.node());
+    }
+  }
+});
+
+suite.addBatch({
+  "selectAll(div)": {
+    topic: function() {
+      var body = d3.select("body").html("");
+      body.append("div").append("span");
+      body.append("div");
+      return body.selectAll("div");
+    },
+    "returns null for empty selections": function(div) {
+      assert.isNull(div.select("foo").node());
+    },
+    "returns the first element for non-empty selections": function(div) {
+      assert.isTrue(div.node() === div[0][0]);
+    },
+    "ignores null nodes": function(div) {
+      var some = d3.selectAll("div");
+      some[0][0] = null;
+      assert.isTrue(some.node() === div[0][1]);
+    }
+  }
+});
+
+suite.export(module);