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<!doctype html>
<meta charset="utf-8">
<title>CSS Scrollbars: scrollbar-width with horizontal text and vertical scrollbar</title>
<link rel="author" title="Felipe Erias Morandeira" href="mailto:felipeerias@gmail.com" />
<link rel="help" href="https://www.w3.org/TR/css-scrollbars-1/" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/parsing-testcommon.js"></script>
<style>
/* Use scrollbar-gutter to reserve space for the scrollbar. */
.container {
scrollbar-gutter: stable;
writing-mode: horizontal-tb;
overflow: auto;
height: 200px;
width: 200px;
margin: 1px;
padding: 0px;
border: none;
background: deepskyblue;
}
.content {
height: 300px;
width: 100%;
background: lightsalmon;
}
/* writing directions */
.ltr {
direction: ltr;
}
.rtl {
direction: rtl;
}
.container.auto {
scrollbar-width: auto;
}
.container.thin {
scrollbar-width: thin;
}
.container.none {
scrollbar-width: none;
}
</style>
<script type="text/javascript">
function performTest() {
setup({ explicit_done: true });
// ltr
test(function () {
let container = document.getElementById('container_ltr_auto');
let content = document.getElementById('content_ltr_auto');
assert_less_than(container.scrollWidth, container.offsetWidth, "ltr auto scrollWidth");
assert_less_than(container.clientWidth, container.offsetWidth, "ltr auto clientWidth");
assert_equals(container.offsetLeft, content.offsetLeft, "ltr auto offsetLeft");
assert_equals(container.clientWidth, content.clientWidth, "ltr auto clientWidth");
assert_not_equals(container.offsetWidth, content.offsetWidth, "ltr auto offsetWidth");
}, "horizontal-tb, ltr, scrollbar-width auto");
test(function () {
let container = document.getElementById('container_ltr_thin');
let content = document.getElementById('content_ltr_thin');
assert_less_than(container.scrollWidth, container.offsetWidth, "ltr thin scrollWidth");
assert_less_than(container.clientWidth, container.offsetWidth, "ltr thin clientWidth");
assert_equals(container.offsetLeft, content.offsetLeft, "ltr thin offsetLeft");
assert_equals(container.clientWidth, content.clientWidth, "ltr thin clientWidth");
assert_not_equals(container.offsetWidth, content.offsetWidth, "ltr thin offsetWidth");
}, "horizontal-tb, ltr, scrollbar-width thin");
test(function () {
let auto_scrollbar_width =
document.getElementById('container_ltr_auto').offsetWidth -
document.getElementById('container_ltr_auto').clientWidth;
let thin_scrollbar_width =
document.getElementById('container_ltr_thin').offsetWidth -
document.getElementById('container_ltr_thin').clientWidth;
assert_less_than_equal(thin_scrollbar_width, auto_scrollbar_width, "ltr, thin <= auto");
}, 'horizontal-tb, ltr, scrollbar-width "thin" is same or thinner than "auto"');
test(function () {
let container = document.getElementById('container_ltr_none');
let content = document.getElementById('content_ltr_none');
assert_equals(container.scrollWidth, 200, "ltr none scrollWidth");
assert_equals(container.clientWidth, 200, "ltr none clientWidth");
assert_equals(container.offsetLeft, content.offsetLeft, "ltr none offsetLeft");
assert_equals(container.clientWidth, content.clientWidth, "ltr none clientWidth");
assert_equals(container.offsetWidth, content.offsetWidth, "ltr none offsetWidth");
}, "horizontal-tb, ltr, scrollbar-width none");
// rtl
test(function () {
let container = document.getElementById('container_rtl_auto');
let content = document.getElementById('content_rtl_auto');
assert_less_than(container.scrollWidth, container.offsetWidth, "rtl auto scrollWidth");
assert_less_than(container.clientWidth, container.offsetWidth, "rtl auto clientWidth");
assert_less_than(container.offsetLeft, content.offsetLeft, "rtl auto offsetLeft");
assert_equals(container.clientWidth, content.clientWidth, "rtl auto clientWidth");
assert_not_equals(container.offsetWidth, content.offsetWidth, "rtl auto offsetWidth");
}, "horizontal-tb, rtl, scrollbar-width auto");
test(function () {
let container = document.getElementById('container_rtl_thin');
let content = document.getElementById('content_rtl_thin');
assert_less_than(container.scrollWidth, container.offsetWidth, "rtl thin scrollWidth");
assert_less_than(container.clientWidth, container.offsetWidth, "rtl thin clientWidth");
assert_less_than(container.offsetLeft, content.offsetLeft, "rtl thin offsetLeft");
assert_equals(container.clientWidth, content.clientWidth, "rtl thin clientWidth");
assert_not_equals(container.offsetWidth, content.offsetWidth, "rtl thin offsetWidth");
}, "horizontal-tb, rtl, scrollbar-width thin");
test(function () {
let auto_scrollbar_width =
document.getElementById('container_rtl_auto').offsetWidth -
document.getElementById('container_rtl_auto').clientWidth;
let thin_scrollbar_width =
document.getElementById('container_rtl_thin').offsetWidth -
document.getElementById('container_rtl_thin').clientWidth;
assert_less_than_equal(thin_scrollbar_width, auto_scrollbar_width, "rtl, thin < auto");
}, 'horizontal-tb, rtl, scrollbar-width "thin" is same or thinner than "auto"');
test(function () {
let container = document.getElementById('container_rtl_none');
let content = document.getElementById('content_rtl_none');
assert_equals(container.scrollWidth, 200, "rtl none scrollWidth");
assert_equals(container.clientWidth, 200, "rtl none clientWidth");
assert_equals(container.offsetLeft, content.offsetLeft, "rtl none offsetLeft");
assert_equals(container.clientWidth, content.clientWidth, "rtl none clientWidth");
assert_equals(container.offsetWidth, content.offsetWidth, "rtl none offsetWidth");
}, "horizontal-tb, rtl, scrollbar-width none");
done();
}
</script>
<body onload="performTest()">
Test scrollbar-width: vertical scrollbar, ltr direction
<div class="container ltr auto" id="container_ltr_auto">
<div class="content" id="content_ltr_auto">auto</div>
</div>
<div class="container ltr thin" id="container_ltr_thin">
<div class="content" id="content_ltr_thin">thin</div>
</div>
<div class="container ltr none" id="container_ltr_none">
<div class="content" id="content_ltr_none">none</div>
</div>
Test scrollbar-width: vertical scrollbar, rtl direction
<div class="container rtl auto" id="container_rtl_auto">
<div class="content" id="content_rtl_auto">auto</div>
</div>
<div class="container rtl thin" id="container_rtl_thin">
<div class="content" id="content_rtl_thin">thin</div>
</div>
<div class="container rtl none" id="container_rtl_none">
<div class="content" id="content_rtl_none">none</div>
</div>
</body>
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