<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=915962 --> <head> <title>Test for Bug 915962</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> <script type="text/javascript" src="/tests/SimpleTest/EventUtils.js"></script> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=915962">Mozilla Bug 915962</a> <p id="display"></p> <div id="content"> </div> <pre id="test"> <script type="application/javascript"> /** Test for Bug 915962 **/ var smoothScrollPref = "general.smoothScroll"; SimpleTest.waitForExplicitFinish(); var win = window.open("file_bug915962.html", "_blank", "width=600,height=600,scrollbars=yes"); // grab the timer right at the start var cwu = SpecialPowers.getDOMWindowUtils(win); function step() { cwu.advanceTimeAndRefresh(100); } SimpleTest.waitForFocus(function() { SpecialPowers.pushPrefEnv({"set":[[smoothScrollPref, false]]}, startTest); }, win); function startTest() { // Make sure that pressing Space when a tabindex=-1 element is focused // will scroll the page. var button = win.document.querySelector("button"); var sc = win.document.querySelector("div"); sc.focus(); is(win.scrollY, 0, "Sanity check"); synthesizeKey(" ", {}, win); step(); isnot(win.scrollY, 0, "Page is scrolled down"); var oldY = win.scrollY; synthesizeKey(" ", {shiftKey: true}, win); step(); ok(win.scrollY < oldY, "Page is scrolled up"); // Make sure that pressing Space when a tabindex=-1 element is focused // will not scroll the page, and will activate the element. button.focus(); var clicked = false; button.onclick = () => clicked = true; oldY = win.scrollY; synthesizeKey(" ", {}, win); step(); ok(win.scrollY <= oldY, "Page is not scrolled down"); ok(clicked, "The button should be clicked"); synthesizeKey("VK_TAB", {}, win); step(); oldY = win.scrollY; synthesizeKey(" ", {}, win); step() ok(win.scrollY >= oldY, "Page is scrolled down"); win.close(); cwu.restoreNormalRefresh(); win = window.open("file_bug915962.html", "_blank", "width=600,height=600,scrollbars=yes"); cwu = SpecialPowers.getDOMWindowUtils(win); SimpleTest.waitForFocus(function() { is(win.scrollY, 0, "Sanity check"); synthesizeKey(" ", {}, win); step(); isnot(win.scrollY, 0, "Page is scrolled down without crashing"); win.close(); cwu.restoreNormalRefresh(); SimpleTest.finish(); }, win); } </script> </pre> </body> </html>