| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| body { |
| height: 1000px; |
| } |
| </style> |
| <script src="../../../resources/js-test-pre.js"></script> |
| <script src="../../../resources/ui-helper.js"></script> |
| <script> |
| jsTestIsAsync = true; |
| |
| var iframeTarget; |
| |
| async function scrollTest() |
| { |
| window.scrollTo(0, 200); |
| |
| iframeTarget = document.getElementById('target'); |
| shouldBe('iframeTarget.contentWindow.pageYOffset', '0'); |
| shouldBe('window.pageYOffset', '200'); |
| |
| if (!window.eventSender) { |
| finishJSTest(); |
| return; |
| } |
| |
| eventSender.mouseMoveTo(50, 250); // Inside the iframe. |
| eventSender.monitorWheelEvents(); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'began', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -10, 'changed', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -10, 'changed', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, 'ended', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -10, 'none', 'begin'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -10, 'none', 'continue'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -10, 'none', 'continue'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -10, 'none', 'continue'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, 'none', 'end'); |
| await UIHelper.waitForScrollCompletion(); |
| |
| debug('After scroll'); |
| shouldBe('iframeTarget.contentWindow.pageYOffset', '500'); |
| shouldBe('window.pageYOffset', '200'); |
| |
| await UIHelper.animationFrame(); |
| |
| debug('After wait'); |
| shouldBe('iframeTarget.contentWindow.pageYOffset', '500'); |
| shouldBe('window.pageYOffset', '200'); |
| |
| eventSender.monitorWheelEvents(); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, -1, 'began', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(-1, 1, 'changed', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 1, 'changed', 'none'); |
| eventSender.mouseScrollByWithWheelAndMomentumPhases(0, 0, 'ended', 'none'); |
| |
| await UIHelper.waitForScrollCompletion(); |
| shouldBe('iframeTarget.contentWindow.pageYOffset', '480'); |
| shouldBe('window.pageYOffset', '200'); |
| |
| finishJSTest(); |
| } |
| |
| function setupTopLevel() |
| { |
| description("Tests that a second scroll with small x/y deltas uses latching from an earlier scroll."); |
| setTimeout(scrollTest, 0); |
| } |
| |
| </script> |
| |
| </head> |
| <body> |
| <div id="parent" style="height: 2000px"> |
| <iframe id="target" name="target" style="border:solid 1px green; height: 500px; width: 500px;" |
| srcdoc= " |
| <style> |
| body { |
| height: 1000px; |
| margin: 0; |
| background-image: repeating-linear-gradient(silver, white 200px); |
| } |
| </style> |
| <body></body> |
| " |
| onload="setupTopLevel();"> |
| </iframe> |
| </div> |
| <div id="console"></div> |
| <script src="../../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
