Remove dead code (#818)

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

diff --git a/auto_tests/tests/hidpi.js b/auto_tests/tests/hidpi.js
index 17a75a0..1dd131c 100644 (file)
--- a/auto_tests/tests/hidpi.js
+++ b/auto_tests/tests/hidpi.js
@@ -3,21 +3,27 @@
  *
  * @author danvdk@gmail.com (Dan Vanderkam)
  */
-var hidpiTestCase = TestCase("hidpi");
+
+import Dygraph from '../../src/dygraph';
+
+describe("hidpi", function() {
+
+cleanupAfterEach();
 
 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 +38,12 @@ 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);
+});
+
 
+});