Add test for time.format.iso.

test/time/format-test.js

@@ -0,0 +1,35 @@
+require("../env");
+require("../../d3");
+require("../../d3.time");
+
+var vows = require("vows"),
+    assert = require("assert");
+
+var suite = vows.describe("d3.time.format");
+
+suite.addBatch({
+  "format": {
+    topic: function() {
+      return d3.time.format;
+    },
+    "ISO": {
+      topic: function(format) {
+        return format.iso;
+      },
+      "formats as ISO 8601": function(format) {
+        assert.equal(format(utc(1990, 0, 1, 0, 0, 0)), "1990-01-01T00:00:00Z");
+        assert.equal(format(utc(2011, 11, 31, 23, 59, 59)), "2011-12-31T23:59:59Z");
+      }
+    }
+  }
+});
+
+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);

test/time/test-format-iso.js

@@ -1,8 +0,0 @@
-require("./../../lib/env-js/envjs/node");
-require("./../../d3");
-require("./../../d3.time");
-
-console.log("format:");
-console.log("  01/01/1990 00:00:00 ->", d3.time.format.iso(new Date(Date.UTC(1990, 0, 1))));
-console.log("  12/31/2011 23:59:59 ->", d3.time.format.iso(new Date(Date.UTC(2011, 11, 31, 23, 59, 59))));
-console.log("");

test/time/test-format-iso.out

@@ -1,4 +0,0 @@
-format:
-  01/01/1990 00:00:00 -> 1990-01-01T00:00:00Z
-  12/31/2011 23:59:59 -> 2011-12-31T23:59:59Z
-