| <!DOCTYPE html> |
| <style> |
| body { |
| height: 2000px; |
| width: 2000px; |
| } |
| </style> |
| |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script> |
| var pageScaleFactor = 2; |
| |
| if (window.internals) |
| internals.settings.setVisualViewportEnabled(true); |
| |
| var test = async_test('Verify that a scroll event gets fired on window.visualViewport when its offset changes'); |
| |
| function scrollEventHandler() { |
| test.done(); |
| } |
| |
| function doAfterZooming() { |
| window.visualViewport.addEventListener('scroll', scrollEventHandler); |
| window.scrollTo(1000, 1000); |
| } |
| |
| function getUIScript() { |
| return `(function() { |
| uiController.zoomToScale(${pageScaleFactor}, function() { |
| uiController.uiScriptComplete(uiController.zoomScale); |
| }); |
| })();`; |
| } |
| |
| window.onload = function() { |
| testRunner.runUIScript(getUIScript(), doAfterZooming); |
| }; |
| </script> |
