--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/test/time/seconds-test.js	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,101 @@
+require("../env");
+require("../../d3");
+require("../../d3.time");
+
+var vows = require("vows"),
+    assert = require("assert");
+
+var suite = vows.describe("d3.time.seconds");
+
+suite.addBatch({
+  "seconds": {
+    topic: function() {
+      return d3.time.seconds;
+    },
+    "returns seconds": function(range) {
+      assert.deepEqual(range(local(2010, 11, 31, 23, 59, 59), local(2011, 0, 1, 0, 0, 2)), [
+        local(2010, 11, 31, 23, 59, 59),
+        local(2011, 0, 1, 0, 0, 0),
+        local(2011, 0, 1, 0, 0, 1)
+      ]);
+    },
+    "has an inclusive lower bound": function(range) {
+      assert.deepEqual(range(local(2010, 11, 31, 23, 59, 59), local(2011, 0, 1, 0, 0, 2))[0], local(2010, 11, 31, 23, 59, 59));
+    },
+    "has an exclusive upper bound": function(range) {
+      assert.deepEqual(range(local(2010, 11, 31, 23, 59, 59), local(2011, 0, 1, 0, 0, 2))[2], local(2011, 0, 1, 0, 0, 1));
+    },
+    "can skip seconds": function(range) {
+      assert.deepEqual(range(local(2011, 1, 1, 12, 0, 7), local(2011, 1, 1, 12, 1, 7), 15), [
+        local(2011, 1, 1, 12, 0, 15),
+        local(2011, 1, 1, 12, 0, 30),
+        local(2011, 1, 1, 12, 0, 45),
+        local(2011, 1, 1, 12, 1, 0)
+      ]);
+    },
+    "observes start of daylight savings time": function(range) {
+      assert.deepEqual(range(utc(2011, 2, 13, 9, 59, 59), utc(2011, 2, 13, 10, 0, 2)), [
+        utc(2011, 2, 13, 9, 59, 59),
+        utc(2011, 2, 13, 10, 0, 0),
+        utc(2011, 2, 13, 10, 0, 1)
+      ]);
+    },
+    "observes end of daylight savings time": function(range) {
+      assert.deepEqual(range(utc(2011, 10, 6, 8, 59, 59), utc(2011, 10, 6, 9, 0, 2)), [
+        utc(2011, 10, 6, 8, 59, 59),
+        utc(2011, 10, 6, 9, 0, 0),
+        utc(2011, 10, 6, 9, 0, 1)
+      ]);
+    },
+    "UTC": {
+      topic: function(range) {
+        return range.utc;
+      },
+      "returns seconds": function(range) {
+        assert.deepEqual(range(utc(2010, 11, 31, 23, 59, 59), utc(2011, 0, 1, 0, 0, 2)), [
+          utc(2010, 11, 31, 23, 59, 59),
+          utc(2011, 0, 1, 0, 0, 0),
+          utc(2011, 0, 1, 0, 0, 1)
+        ]);
+      },
+      "has an inclusive lower bound": function(range) {
+        assert.deepEqual(range(utc(2010, 11, 31, 23, 59, 59), utc(2011, 0, 1, 0, 0, 2))[0], utc(2010, 11, 31, 23, 59, 59));
+      },
+      "has an exclusive upper bound": function(range) {
+        assert.deepEqual(range(utc(2010, 11, 31, 23, 59, 59), utc(2011, 0, 1, 0, 0, 2))[2], utc(2011, 0, 1, 0, 0, 1));
+      },
+      "can skip seconds": function(range) {
+        assert.deepEqual(range(utc(2011, 1, 1, 12, 0, 7), utc(2011, 1, 1, 12, 1, 7), 15), [
+          utc(2011, 1, 1, 12, 0, 15),
+          utc(2011, 1, 1, 12, 0, 30),
+          utc(2011, 1, 1, 12, 0, 45),
+          utc(2011, 1, 1, 12, 1, 0)
+        ]);
+      },
+      "does not observe the start of daylight savings time": function(range) {
+        assert.deepEqual(range(utc(2011, 2, 13, 9, 59, 59), utc(2011, 2, 13, 10, 0, 2)), [
+          utc(2011, 2, 13, 9, 59, 59),
+          utc(2011, 2, 13, 10, 0, 0),
+          utc(2011, 2, 13, 10, 0, 1)
+        ]);
+      },
+      "does not observe the end of daylight savings time": function(range) {
+        assert.deepEqual(range(utc(2011, 10, 6, 8, 59, 59), utc(2011, 10, 6, 9, 0, 2)), [
+          utc(2011, 10, 6, 8, 59, 59),
+          utc(2011, 10, 6, 9, 0, 0),
+          utc(2011, 10, 6, 9, 0, 1)
+        ]);
+      }
+    }
+  }
+});
+
+function local(year, month, day, hours, minutes, seconds) {
+  return new Date(year, month, day, hours || 0, minutes || 0, seconds || 0);
+}
+
+function utc(year, month, day, hours, minutes, seconds) {
+  return new Date(Date.UTC(year, month, day, hours || 0, minutes || 0, seconds || 0));
+}
+
+suite.export(module);