src/third_party/WebKit/LayoutTests/compositing/layer-creation/fixed-position-out-of-view-scaled-iframe-scroll.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4 <script>
   5   if (window.testRunner) {
   6     testRunner.dumpAsText();
   7     testRunner.waitUntilDone();
   8   }
   9   if (window.internals && window.eventSender) {
  10     window.internals.settings.setAcceleratedCompositingForFixedPositionEnabled(true);
  11     window.internals.settings.setFixedPositionCreatesStackingContext(true);
  12
  13     addEventListener("load", function() {
  14       window.eventSender.setPageScaleFactor(0.5, 0, 0);
  15       setTimeout(function() {
  16         var layerTreeScaledDown = internals.layerTreeAsText(document.getElementById("iframe").contentDocument);
  17
  18         window.eventSender.setPageScaleFactor(1.5, 0, 0);
  19         setTimeout(function() {
  20           var layerTreeScaledUp = internals.layerTreeAsText(document.getElementById("iframe").contentDocument);
  21           // Because logical size of the frame is unchanged, the layer tree in the frame should not be affected by the page scale.
  22           document.getElementById("result").innerText =
  23               layerTreeScaledUp == layerTreeScaledDown ? "PASS" : "FAIL";
  24           testRunner.notifyDone();
  25         }, 0);
  26       }, 0);
  27     }, false);
  28   }
  29 </script>
  30 </head>
  31 <body>
  32 <iframe id="iframe" src="resources/fixed-position-out-of-view-frame-scroll.html" style="width: 800px; height: 600px"></iframe>
  33 <pre id="result"></pre>
  34 </body>
  35 </html>