third_party/WebKit/LayoutTests/fast/events/onchange-range-slider.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 </head>
   5 <body>
   6 <p>This test verifies that updating the slider for an input element with type=range fires a change event.</p>
   7
   8 <!-- See bug 84674 -->
   9 <input id="slider" type="range" min="0" max="3" value="0"></input>
  10 <pre id="console"></pre>
  11 <script src="../../resources/js-test.js"></script>
  12 <script>
  13 var receivedChangeEvent = false;
  14 var slider;
  15
  16 function onChange(e)
  17 {
  18     testPassed('Change event fired.');
  19     receivedChangeEvent = true;
  20     shouldBeEqualToString("slider.value", "0");
  21 }
  22
  23 window.onload = function()
  24 {
  25     if (!window.testRunner)
  26         return;
  27
  28     slider = document.getElementById("slider");
  29     slider.addEventListener("change", onChange);
  30
  31     // Programmatically changing an input value should not fire a change event.
  32     slider.value = 1;
  33
  34     // Changing back to original value should fire a change event.
  35     var x = slider.offsetLeft + 1;
  36     var y = slider.offsetTop + slider.clientHeight / 2;
  37
  38     eventSender.mouseMoveTo(x, y);
  39     eventSender.mouseDown();
  40     eventSender.mouseUp();
  41
  42     if (!receivedChangeEvent)
  43         testFailed('Change event not fired.');
  44 }
  45 </script>
  46 </body>
  47 </html>