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+<!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);
+</script>
+</body>
+</html>