X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=auto_tests%2Ftests%2Fhidpi.js;h=cdf0ee4809a4fe37a4650916673b16d32c1afd58;hb=6b875aecfcde4309fc2db816e5b29c75affdad54;hp=17a75a01dc0c81e43b12447621bc06977ffc7cf2;hpb=88bbada8ddcef3861b258b865be65ab579efbcfb;p=dygraphs.git

diff --git a/auto_tests/tests/hidpi.js b/auto_tests/tests/hidpi.js
index 17a75a0..cdf0ee4 100644
--- a/auto_tests/tests/hidpi.js
+++ b/auto_tests/tests/hidpi.js
@@ -3,21 +3,24 @@
  *
  * @author danvdk@gmail.com (Dan Vanderkam)
  */
-var hidpiTestCase = TestCase("hidpi");
+describe("hidpi", function() {
 
 var savePixelRatio;
-hidpiTestCase.prototype.setUp = function() {
+beforeEach(function() {
   savePixelRatio = window.devicePixelRatio;
   window.devicePixelRatio = 2;
 
   document.body.innerHTML = "<div id='graph'></div>";
-};
+});
 
-hidpiTestCase.prototype.tearDown = function() {
+afterEach(function() {
   window.devicePixelRatio = savePixelRatio;
-};
+});
+
+it('testDoesntCreateScrollbars', function() {
+  var sw = document.body.scrollWidth;
+  var cw = document.body.clientWidth;
 
-hidpiTestCase.prototype.testNameGoesHere = function() {
   var graph = document.getElementById("graph");
   graph.style.width = "70%";  // more than half.
   graph.style.height = "200px";
@@ -32,8 +35,12 @@ hidpiTestCase.prototype.testNameGoesHere = function() {
 
   var g = new Dygraph(graph, data, opts);
 
+  // Adding the graph shouldn't cause the width of the page to change.
+  // (essentially, we're checking that we don't end up with a scrollbar)
   // See http://stackoverflow.com/a/2146905/388951
-  var hasHorizontalScrollbar = (document.body.scrollWidth > document.body.clientWidth);
-  assertEquals(false, hasHorizontalScrollbar);
-};
+  assert.equal(cw, document.body.clientWidth);
+  assert.equal(sw, document.body.scrollWidth);
+});
+
 
+});