auto_tests/tests/per_series.js

   1 /**
   2  * @fileoverview FILL THIS IN
   3  *
   4  * @author danvk@google.com (Dan Vanderkam)
   5  */
   6 var perSeriesTestCase = TestCase("per-series");
   7
   8 perSeriesTestCase.prototype.setUp = function() {
   9   document.body.innerHTML = "<div id='graph'></div>";
  10 };
  11
  12 perSeriesTestCase.prototype.tearDown = function() {
  13 };
  14
  15
  16 perSeriesTestCase.prototype.testPerSeriesFill = function() {
  17   var opts = {
  18     width: 480,
  19     height: 320,
  20     drawXGrid: false,
  21     drawYGrid: false,
  22     drawXAxis: false,
  23     drawYAxis: false,
  24     Y: { fillGraph: true },
  25     colors: [ '#FF0000', '#0000FF' ],
  26     fillAlpha: 0.15
  27   };
  28   var data = "X,Y,Z\n" +
  29       "1,0,0\n" +
  30       "2,0,1\n" +
  31       "3,0,1\n" +
  32       "4,0,0\n" +
  33       "5,0,0\n" +
  34       "6,1,0\n" +
  35       "7,1,0\n" +
  36       "8,0,0\n"
  37   ;
  38
  39   var graph = document.getElementById("graph");
  40   g = new Dygraph(graph, data, opts);
  41
  42   var sampler = new PixelSampler(g);
  43
  44   // Inside of the "Z" bump -- no fill.
  45   assertEquals([0,0,0,0], sampler.colorAtCoordinate(2.5, 0.5));
  46
  47   // Inside of the "Y" bump -- filled in.
  48   assertEquals([255,0,0,38], sampler.colorAtCoordinate(6.5, 0.5));
  49 };
  50