| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/js-test.js"></script> |
| <style type="text/css"> |
| ::-webkit-scrollbar { |
| width: 0px; |
| height: 0px; |
| } |
| |
| #greenbox { |
| width: 100px; |
| height: 2000px; |
| background: green; |
| } |
| #redbox { |
| width: 100px; |
| height: 2000px; |
| background: red; |
| } |
| |
| </style> |
| </head> |
| <body style="margin:0" onload="runTest();"> |
| |
| <div id="greenbox"></div> |
| <div id="redbox"></div> |
| |
| <p id="description"></p> |
| <div id="console"></div> |
| <script type="text/javascript"> |
| |
| function keyboardScrollPageDown() |
| { |
| if (navigator.platform.indexOf('Mac') == 0) { |
| eventSender.keyDown('ArrowDown', ["altKey"]); |
| } else { |
| eventSender.keyDown('PageDown'); |
| } |
| |
| // see kMinFractionToStepWhenPaging = 0.875f in ScrollableArea.cpp |
| shouldBecomeEqual("document.scrollingElement.scrollTop >= window.innerHeight * 0.875", "true", keyboardScrollPageUp); |
| } |
| |
| function keyboardScrollPageUp() |
| { |
| if (navigator.platform.indexOf('Mac') == 0) { |
| eventSender.keyDown('ArrowUp', ["altKey"]); |
| } else { |
| eventSender.keyDown('PageUp'); |
| } |
| |
| // PageDown + PageUp goes back to 0 |
| shouldBecomeEqual("document.scrollingElement.scrollTop", "0", finishJSTest); |
| } |
| |
| jsTestIsAsync = true; |
| |
| function runTest() |
| { |
| if (window.eventSender) { |
| description('This tests keyboard scrolling by pages.'); |
| keyboardScrollPageDown(); |
| } else { |
| debug("This test requires DumpRenderTree. Use PageUp/Down (or Alt-Up/Down for Mac) to validate the implementation."); |
| } |
| } |
| </script> |
| |
| </body> |
| </html> |
