<!DOCTYPE HTML> <html class="reftest-wait"> <head> <meta charset="utf-8"> <title>Testcase for bug 1010538, instant scrolling expected</title> <style type="text/css"> html,body { color: black; background-color: white; font-size: 16px; padding: 0; margin: 0; } .a_box { position: relative; left: 0px; top: 0px; width: 20px; height: 20px; background: blue; } .another_box { position: relative; left: 2000px; top: 2000px; width: 20px; height: 20px; background: green; } .scroll_box { width: 50px; height: 50px; overflow: scroll; will-change: scroll-position; } #scroll_1, #scroll_4, #scroll_6, #scroll_8 { scroll-behavior: auto; } #scroll_3 { scroll-behavior: smooth; } </style> </head> <body> <div id="scroll_1" class="scroll_box"> <div id="box1a" class="a_box"></div> <div id="box1b" class="another_box"></div> </div> <div id="scroll_2" class="scroll_box"> <div id="box2a" class="a_box"></div> <div id="box2b" class="another_box"></div> </div> <div id="scroll_3" class="scroll_box"> <div id="box3a" class="a_box"></div> <div id="box3b" class="another_box"></div> </div> <div id="scroll_4" class="scroll_box"> <div id="box4a" class="a_box"></div> <div id="box4b" class="another_box"></div> </div> <div id="scroll_5" class="scroll_box"> <div id="box5a" class="a_box"></div> <div id="box5b" class="another_box"></div> </div> <div id="scroll_6" class="scroll_box"> <div id="box6a" class="a_box"></div> <div id="box6b" class="another_box"></div> </div> <div id="scroll_7" class="scroll_box"> <div id="box7a" class="a_box"></div> <div id="box7b" class="another_box"></div> </div> <div id="scroll_8" class="scroll_box"> <div id="box8a" class="a_box"></div> <div id="box8b" class="another_box"></div> </div> <div id="scroll_9" class="scroll_box"> <div id="box9a" class="a_box"></div> <div id="box9b" class="another_box"></div> </div> <div id="scroll_10" class="scroll_box"> <div id="box10a" class="a_box"></div> <div id="box10b" class="another_box"></div> </div> <script> function doTest() { if (document.location.search != '?ref') { document.getElementById("box1b").scrollIntoView({block: "end"}); document.getElementById("box2b").scrollIntoView({block: "end"}); document.getElementById("box3b").scrollIntoView({block: "end", behavior: "instant"}); document.getElementById("box4b").scrollIntoView({block: "end", behavior: "instant"}); document.getElementById("box5b").scrollIntoView({block: "end", behavior: "instant"}); document.getElementById("box6b").scrollIntoView({block: "end", behavior: "auto"}); document.getElementById("box7b").scrollIntoView({block: "end", behavior: "auto"}); document.getElementById("box8b").scrollIntoView(false); document.getElementById("box9b").scrollIntoView(false); // Scroll_10 is a control, expected to scroll smoothly document.getElementById("box10b").scrollIntoView({block: "end", behavior: "smooth"}); // Interrupt any smooth scrolling for (var i=1; i <= 10; i++) { document.getElementById("scroll_" + i).scrollLeft = document.getElementById("scroll_" + i).scrollLeft; document.getElementById("scroll_" + i).scrollTop = document.getElementById("scroll_" + i).scrollTop; } } else { // Scroll all boxes except box 10 for (var i=1; i <= 9; i++) { document.getElementById("box" + i + "b").scrollIntoView({block: "end", behavior: "instant"}); } } document.documentElement.removeAttribute("class"); } for (var i=1; i <= 10; i++) { document.getElementById("box" + i + "a") .scrollIntoView({block: "start", behavior: "instant"}); } window.addEventListener("MozReftestInvalidate", doTest, false); </script> </body> </html>