date_formats.js

   1 /**
   2  * @fileoverview Tests that various formats of date are understood by dygraphs.
   3  *
   4  * @author dan@dygraphs.com (Dan Vanderkam)
   5  */
   6
   7 import * as utils from '../../src/dygraph-utils';
   8
   9 describe("date-formats", function() {
  10
  11 it('testISO8601', function() {
  12   // Format: YYYY-MM-DDTHH:MM:SS.ddddddZ
  13   // The "Z" indicates UTC, so this test should pass regardless of the time
  14   // zone of the machine on which it is run.
  15
  16   // Firefox <4 does not support this format:
  17   // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Date/parse
  18   if (navigator.userAgent.indexOf("Firefox/3.5") == -1) {
  19     assert.equal(946816496789, utils.dateParser("2000-01-02T12:34:56.789012Z"));
  20   }
  21 });
  22
  23 it('testHyphenatedDate', function() {
  24   // Format: YYYY-MM-DD HH:MM
  25
  26   // Midnight February 2, 2000, UTC
  27   var d = new Date(Date.UTC(2000, 1, 2));
  28
  29   // Convert to a string in the local time zone: YYYY-DD-MM HH:MM
  30   var zp = function(x) { return x < 10 ? '0' + x : x; };
  31   var str = d.getFullYear() + '-' +
  32             zp(1 + d.getMonth()) + '-' +
  33             zp(d.getDate()) + ' ' +
  34             zp(d.getHours()) + ':' +
  35             zp(d.getMinutes());
  36   assert.equal(Date.UTC(2000, 1, 2), utils.dateParser(str));
  37 });
  38
  39 });