diff -r efd9c589177a -r c0b4a8b5a012 toolkit/javascript/d3/test/csv/format-test.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/test/csv/format-test.js	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,39 @@
+require("../env");
+require("../../d3");
+require("../../d3.csv");
+
+var vows = require("vows"),
+    assert = require("assert");
+
+var suite = vows.describe("d3.csv.format");
+
+suite.addBatch({
+  "format": {
+    topic: function() {
+      return d3.csv.format;
+    },
+    "takes an array of arrays as input": function(format) {
+      assert.equal(format([["a", "b", "c"], ["1", "2", "3"]]), "a,b,c\n1,2,3");
+    },
+    "separates lines using unix newline": function(format) {
+      assert.equal(format([[], []]), "\n");
+    },
+    "does not strip whitespace": function(format) {
+      assert.equal(format([["a ", " b", "c"], ["1", "2", "3 "]]), "a , b,c\n1,2,3 ");
+    },
+    "does not quote simple values": function(format) {
+      assert.equal(format([["a"], [1]]), "a\n1");
+    },
+    "escapes double quotes": function(format) {
+      assert.equal(format([["\"fish\""]]), "\"\"\"fish\"\"\"");
+    },
+    "escapes unix newlines": function(format) {
+      assert.equal(format([["new\nline"]]), "\"new\nline\"");
+    },
+    "escapes commas": function(format) {
+      assert.equal(format([["oxford,comma"]]), "\"oxford,comma\"");
+    }
+  }
+});
+
+suite.export(module);