<!doctype html>
<meta charset="utf-8">
<title>overflow: scroll width/height should return overflow size</title>
<link rel="help" href="https://drafts.csswg.org/css-overflow/#valdef-overflow-clip">
<link rel="author" title="Scott Violet" href="mailto:[email protected]">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
.parent {
width: 100px;
height: 101px;
}
.child {
width: 200px;
height: 201px;
}
.overflow_clip_and_border {
width: 100px;
height: 101px;
overflow: clip;
border-width: 2px;
border-style: solid;
}
</style>
<div id="parent-clip-both" class="parent" style="overflow: clip">
<div class="child"></div>
</div>
<div id="parent-clip-x" class="parent" style="overflow: clip-x">
<div class="child"></div>
</div>
<div id="parent-clip-y" class="parent" style="overflow: clip-y">
<div class="child"></div>
</div>
<div id="border-equal-clip" class="parent">
<div class="overflow_clip_and_border"
style="overflow-clip-margin: 2px">
<div class="child"></div>
</div>
</div>
<div id="border-smaller-clip" class="parent">
<div class="overflow_clip_and_border"
style="overflow-clip-margin: 3px">
<div class="child"></div>
</div>
</div>
<div id="border-greater-clip" class="parent">
<div class="overflow_clip_and_border"
style="overflow-clip-margin: 1px">
<div class="child"></div>
</div>
</div>
<script>
test(() => {
var pClipBoth = document.getElementById("parent-clip-both");
assert_equals(pClipBoth.scrollWidth, 200);
assert_equals(pClipBoth.scrollHeight, 201);
var pClipX = document.getElementById("parent-clip-x");
assert_equals(pClipX.scrollWidth, 200);
assert_equals(pClipX.scrollHeight, 201);
var pClipY = document.getElementById("parent-clip-y");
assert_equals(pClipY.scrollWidth, 200);
assert_equals(pClipY.scrollHeight, 201);
}, "scroll size should match that of size specified by overflow: clip");
test(() => {
assert_equals(document.getElementById("border-equal-clip").scrollWidth,
104);
assert_equals(document.getElementById("border-smaller-clip").scrollWidth,
105);
assert_equals(document.getElementById("border-greater-clip").scrollWidth,
104);
}, "scroll size should take into account border size and overflow-clip-margin");
</script>