<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=1248128 --> <head> <meta charset="utf-8"> <title>Test for Bug 1248128</title> <script src="/tests/SimpleTest/SimpleTest.js"></script> <script src="/tests/SimpleTest/EventUtils.js"></script> <link rel="stylesheet" href="/tests/SimpleTest/test.css"/> <script type="application/javascript"> SimpleTest.waitForExplicitFinish(); SimpleTest.waitForFocus(function() { var outer = document.querySelector("html"); ok(outer.scrollTop == 0, "scrollTop is zero: got " + outer.scrollTop); var input = document.getElementById("testInput"); input.focus(); var scroll = outer.scrollTop; ok(scroll > 0, "element has scrolled: new value " + scroll); try { SpecialPowers.doCommand(window, "cmd_moveLeft"); ok(false, "should not be able to do kMoveLeft"); } catch (e) { ok(true, "unable to perform kMoveLeft"); } ok(outer.scrollTop == scroll, "scroll is unchanged: got " + outer.scrollTop + ", expected " + scroll); // Make sure cmd_moveLeft isn't failing for some unrelated reason synthesizeKey("a", {}); is(input.selectionStart, 1, "selectionStart after typing"); SpecialPowers.doCommand(window, "cmd_moveLeft"); is(input.selectionStart, 0, "selectionStart after move left"); SimpleTest.finish(); }); </script> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1248128">Mozilla Bug 1248128</a> <div style="height: 2000px;"></div> <input type="text" id="testInput"></input> <div style="height: 200px;"></div> </body> </html>