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Test Info:
- Manifest: layout/reftests/scrolling/reftest.list
<!DOCTYPE HTML>
<html class="reftest-wait">
<head>
<meta charset="utf-8">
<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;
display: inline-block;
}
.scroll_box {
width: 50px;
height: 50px;
overflow: scroll;
will-change: scroll-position;
}
#scroll_1 {
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>
<a name="test_anchor_1" id="box1b" class="another_box"></a>
</div>
<div id="scroll_2" class="scroll_box">
<div id="box2a" class="a_box"></div>
<a name="test_anchor_2" id="box2b" class="another_box"></a>
</div>
<div id="scroll_3" class="scroll_box">
<div id="box3a" class="a_box"></div>
<a name="test_anchor_3" id="box3b" class="another_box"></a>
</div>
<script>
function doTest() {
if (document.location.search != '?ref') {
// Scroll_1 to Scroll_2 are expected to scroll instantly
window.location.hash = "test_anchor_1";
window.location.hash = "test_anchor_2";
// Scroll_3 is expected to scroll smoothly
document.getElementById("box3b").scrollIntoView({block: "end", behavior: "smooth"});
// Interrupt any smooth scrolling
for (var i=1; i <= 3; 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 for Scroll_3
for (var i=1; i <= 2; i++) {
document.getElementById("box" + i + "b").scrollIntoView({block: "end", behavior: "instant"});
}
}
document.documentElement.removeAttribute("class");
}
for (var i=1; i <= 3; i++) {
document.getElementById("box" + i + "a")
.scrollIntoView({block: "start", behavior: "instant"});
}
window.addEventListener("MozReftestInvalidate", doTest);
</script>
</body>
</html>