copy over lots of changes from "shrink" branch.

[dygraphs.git] / auto_tests / tests / Util.js

diff --git a/auto_tests/tests/Util.js b/auto_tests/tests/Util.js
index 8a14e06..207f237 100644 (file)
--- a/auto_tests/tests/Util.js
+++ b/auto_tests/tests/Util.js
@@ -131,3 +131,21 @@ Util.overrideXMLHttpRequest = function(data) {
   return FakeXMLHttpRequest;
 };
 
+/**
+ * Format a date as 2000/01/23
+ * @param {number} date_ms Millis since epoch.
+ * @return {string} The date formatted as YYYY-MM-DD.
+ */
+Util.formatDate = function(date_ms) {
+  var zeropad = function(x) { if (x < 10) return "0" + x; else return "" + x; };
+  var d = new Date(date_ms);
+
+  // Get the year:
+  var year = "" + d.getFullYear();
+  // Get a 0 padded month string
+  var month = zeropad(d.getMonth() + 1);  //months are 0-offset, sigh
+  // Get a 0 padded day string
+  var day = zeropad(d.getDate());
+
+  return year + "/" + month + "/" + day;
+};