<!doctype html>
<meta charset="utf-8">
<title>CSS Overflow: test scrollbar-gutter: stable (classic scrollbars, horizontal text)</title>
<link rel="author" title="Felipe Erias Morandeira" href="mailto:[email protected]"/>
<link rel="help" href="https://www.w3.org/TR/css-overflow-4/#scollbar-gutter-property"/>
<meta name="assert" content="Test scrollbar-gutter: stable with custom classic scrollbars">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/parsing-testcommon.js"></script>
<style>
.container {
scrollbar-gutter: stable;
writing-mode: horizontal-tb;
overflow-x: auto;
height: 200px;
width: 200px;
margin: 1px;
padding: 0px;
border: none;
background: deepskyblue;
}
.content {
height: 100%;
width: 100%;
background: lightsalmon;
}
/* ensure that we are using classic scrollbars with a known thickness */
.classic::-webkit-scrollbar {
width: 20px;
height: 20px;
}
.classic::-webkit-scrollbar-track {
background-color: hsla(0, 0%, 40%, 0.4);
}
.classic::-webkit-scrollbar-thumb {
background-color: hsla(0, 0%, 20%, 0.8);
border-radius: 10px;
}
/* writing directions */
.ltr {
direction: ltr;
}
.rtl {
direction: rtl;
}
/* overflow on the block direction */
.container.auto { overflow-y: auto; }
.container.scroll { overflow-y: scroll; }
.container.visible { overflow: visible; }
.container.hidden { overflow-y: hidden; }
/* Note: not testing with overflow: clip; */
</style>
<script type="text/javascript">
function performTest() {
setup({explicit_done: true});
// ltr
test(function() {
let container = document.getElementById('container_auto_ltr');
let content = document.getElementById('content_auto_ltr');
assert_equals(container.scrollWidth, 180, "auto/stable scrollWidth");
assert_equals(container.clientWidth, 180, "auto/stable clientWidth");
assert_equals(container.offsetLeft, content.offsetLeft, "auto/stable offsetLeft");
assert_equals(container.clientWidth, content.clientWidth, "auto/stable clientWidth");
assert_not_equals(container.offsetWidth, content.offsetWidth, "auto/stable offsetWidth");
}, "overflow auto, scrollbar-gutter stable, horizontal-tb, ltr");
test(function() {
let container = document.getElementById('container_scroll_ltr');
let content = document.getElementById('content_scroll_ltr');
assert_equals(container.scrollWidth, 180, "scroll/stable scrollWidth");
assert_equals(container.clientWidth, 180, "scroll/stable clientWidth");
assert_equals(container.offsetLeft, content.offsetLeft, "scroll/stable offsetLeft");
assert_equals(container.clientWidth, content.clientWidth, "scroll/stable clientWidth");
assert_not_equals(container.offsetWidth, content.offsetWidth, "scroll/stable offsetWidth");
}, "overflow scroll, scrollbar-gutter stable, horizontal-tb, ltr");
test(function() {
let container = document.getElementById('container_visible_ltr');
let content = document.getElementById('content_visible_ltr');
assert_equals(container.scrollWidth, 200, "visible/stable scrollWidth");
assert_equals(container.clientWidth, 200, "visible/stable clientWidth");
assert_equals(container.offsetLeft, content.offsetLeft, "visible/stable offsetLeft");
assert_equals(container.clientWidth, content.clientWidth, "visible/stable clientWidth");
assert_equals(container.offsetWidth, content.offsetWidth, "visible/stable offsetWidth");
}, "overflow visible, scrollbar-gutter stable, horizontal-tb, ltr");
test(function() {
let container = document.getElementById('container_hidden_ltr');
let content = document.getElementById('content_hidden_ltr');
assert_equals(container.scrollWidth, 180, "hidden/stable scrollWidth");
assert_equals(container.clientWidth, 180, "hidden/stable clientWidth");
assert_equals(container.offsetLeft, content.offsetLeft, "hidden/stable offsetLeft");
assert_equals(container.clientWidth, content.clientWidth, "hidden/stable clientWidth");
assert_not_equals(container.offsetWidth, content.offsetWidth, "hidden/stable offsetWidth");
}, "overflow hidden, scrollbar-gutter stable, horizontal-tb, ltr");
// rtl
test(function() {
let container = document.getElementById('container_auto_rtl');
let content = document.getElementById('content_auto_rtl');
assert_equals(container.scrollWidth, 180, "auto/stable scrollWidth");
assert_equals(container.clientWidth, 180, "auto/stable clientWidth");
assert_equals(container.offsetLeft, content.offsetLeft - 20, "auto/stable offsetLeft");
assert_equals(container.clientWidth, content.clientWidth, "auto/stable clientWidth");
assert_not_equals(container.offsetWidth, content.offsetWidth, "auto/stable offsetWidth");
}, "overflow auto, scrollbar-gutter stable, horizontal-tb, rtl");
test(function() {
let container = document.getElementById('container_scroll_rtl');
let content = document.getElementById('content_scroll_rtl');
assert_equals(container.scrollWidth, 180, "scroll/stable scrollWidth");
assert_equals(container.clientWidth, 180, "scroll/stable clientWidth");
assert_equals(container.offsetLeft, content.offsetLeft - 20, "scroll/stable offsetLeft");
assert_equals(container.clientWidth, content.clientWidth, "scroll/stable clientWidth");
assert_not_equals(container.offsetWidth, content.offsetWidth, "scroll/stable offsetWidth");
}, "overflow scroll, scrollbar-gutter stable, horizontal-tb, rtl");
test(function() {
let container = document.getElementById('container_visible_rtl');
let content = document.getElementById('content_visible_rtl');
assert_equals(container.scrollWidth, 200, "visible/stable scrollWidth");
assert_equals(container.clientWidth, 200, "visible/stable clientWidth");
assert_equals(container.offsetLeft, content.offsetLeft, "visible/stable offsetLeft");
assert_equals(container.clientWidth, content.clientWidth, "visible/stable clientWidth");
assert_equals(container.offsetWidth, content.offsetWidth, "visible/stable offsetWidth");
}, "overflow visible, scrollbar-gutter stable, horizontal-tb, rtl");
test(function() {
let container = document.getElementById('container_hidden_rtl');
let content = document.getElementById('content_hidden_rtl');
assert_equals(container.scrollWidth, 180, "hidden/stable scrollWidth");
assert_equals(container.clientWidth, 180, "hidden/stable clientWidth");
assert_equals(container.offsetLeft, content.offsetLeft - 20, "hidden/stable offsetLeft");
assert_equals(container.clientWidth, content.clientWidth, "hidden/stable clientWidth");
assert_not_equals(container.offsetWidth, content.offsetWidth, "hidden/stable offsetWidth");
}, "overflow hidden, scrollbar-gutter stable, horizontal-tb, rtl");
done();
}
</script>
<body onload="performTest()">
Test scrollbar-gutter: stable, direction: ltr
<div class="container classic ltr auto" id="container_auto_ltr">
<div class="content" id="content_auto_ltr">overflow-y: auto</div>
</div>
<div class="container classic ltr scroll" id="container_scroll_ltr">
<div class="content" id="content_scroll_ltr">overflow-y: scroll</div>
</div>
<div class="container classic ltr visible" id="container_visible_ltr">
<div class="content" id="content_visible_ltr">overflow: visible</div>
</div>
<div class="container classic ltr hidden" id="container_hidden_ltr">
<div class="content" id="content_hidden_ltr">overflow-y: hidden</div>
</div>
direction: rtl
<div class="container classic rtl auto" id="container_auto_rtl">
<div class="content" id="content_auto_rtl">overflow-x: auto</div>
</div>
<div class="container classic rtl scroll" id="container_scroll_rtl">
<div class="content" id="content_scroll_rtl">overflow-x: scroll</div>
</div>
<div class="container classic rtl visible" id="container_visible_rtl">
<div class="content" id="content_visible_rtl">overflow: visible</div>
</div>
<div class="container classic rtl hidden" id="container_hidden_rtl">
<div class="content" id="content_hidden_rtl">overflow-x: hidden</div>
</div>
</body>
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