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<!doctype html>
<meta charset="utf-8">
<title>CSS Overflow: test scrollbar-gutter: always (classic scrollbars)</title>
<link rel="author" title="Felipe Erias Morandeira" href="mailto:felipeerias@gmail.com"/>
<link rel="help" href="https://www.w3.org/TR/css-overflow-4/#scollbar-gutter-property"/>
<meta name="assert" content="Test scrollbar-gutter: always 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: always;
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 */
.classic {
scrollbar-width: 20px;
scrollbar-color: hsla(0, 0%, 20%, 0.6) hsla(0, 0%, 40%, 0.3);
}
.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 modes */
.horizontal {
writing-mode: horizontal-tb;
overflow-x: auto;
}
.vertical {
writing-mode: vertical-rl;
overflow-y: auto;
}
/* overflow on the block direction */
.horizontal.auto { overflow-y: auto; }
.horizontal.scroll { overflow-y: scroll; }
.horizontal.visible { overflow: visible; }
.horizontal.hidden { overflow-y: hidden; }
.vertical.auto { overflow-x: auto; }
.vertical.scroll { overflow-x: scroll; }
.vertical.visible { overflow: visible; }
.vertical.hidden { overflow-x: hidden; }
/* Note: not testing with overflow: clip; */
</style>
<script type="text/javascript">
function performTest() {
setup({explicit_done: true});
test(function() {
let container = document.getElementById('container_auto_h');
let content = document.getElementById('content_auto_h');
assert_equals(container.scrollWidth, 180, "visible/auto scrollWidth");
assert_equals(container.clientWidth, 180, "visible/auto clientWidth");
assert_equals(container.clientWidth, content.clientWidth, "visible/auto clientWidth");
assert_not_equals(container.offsetWidth, content.offsetWidth, "visible/auto offsetWidth");
}, "Unexpected layout: overflow auto, scrollbar-gutter always, horizontal-tb");
test(function() {
let container = document.getElementById('container_scroll_h');
let content = document.getElementById('content_scroll_h');
assert_equals(container.scrollWidth, 180, "scroll/auto scrollWidth");
assert_equals(container.clientWidth, 180, "scroll/auto clientWidth");
assert_equals(container.clientWidth, content.clientWidth, "scroll/auto clientWidth");
assert_not_equals(container.offsetWidth, content.offsetWidth, "scroll/auto offsetWidth");
}, "Unexpected layout: overflow scroll, scrollbar-gutter always, horizontal-tb");
test(function() {
let container = document.getElementById('container_visible_h');
let content = document.getElementById('content_visible_h');
assert_equals(container.scrollWidth, 200, "visible/auto scrollWidth");
assert_equals(container.clientWidth, 200, "visible/auto clientWidth");
assert_equals(container.clientWidth, content.clientWidth, "visible/auto clientWidth");
assert_equals(container.offsetWidth, content.offsetWidth, "visible/auto offsetWidth");
}, "Unexpected layout: overflow visible, scrollbar-gutter always, horizontal-tb");
test(function() {
let container = document.getElementById('container_hidden_h');
let content = document.getElementById('content_hidden_h');
assert_equals(container.scrollWidth, 200, "hidden/auto scrollWidth");
assert_equals(container.clientWidth, 200, "hidden/auto clientWidth");
assert_equals(container.clientWidth, content.clientWidth, "hidden/auto clientWidth");
assert_equals(container.offsetWidth, content.offsetWidth, "hidden/auto offsetWidth");
}, "Unexpected layout: overflow hidden, scrollbar-gutter always, horizontal-tb");
test(function() {
let container = document.getElementById('container_auto_v');
let content = document.getElementById('content_auto_v');
assert_equals(container.scrollHeight, 180, "visible/auto scrollHeight");
assert_equals(container.clientHeight, 180, "visible/auto clientHeight");
assert_equals(container.clientHeight, content.clientHeight, "visible/auto clientHeight");
assert_not_equals(container.offsetHeight, content.offsetHeight, "visible/auto offsetHeight");
}, "Unexpected layout: overflow auto, scrollbar-gutter always, vertical-rl");
test(function() {
let container = document.getElementById('container_scroll_v');
let content = document.getElementById('content_scroll_v');
assert_equals(container.scrollHeight, 180, "scroll/auto scrollHeight");
assert_equals(container.clientHeight, 180, "scroll/auto clientHeight");
assert_equals(container.clientHeight, content.clientHeight, "scroll/auto clientHeight");
assert_not_equals(container.offsetHeight, content.offsetHeight, "scroll/auto offsetHeight");
}, "Unexpected layout: overflow scroll, scrollbar-gutter always, vertical-rl");
test(function() {
let container = document.getElementById('container_visible_v');
let content = document.getElementById('content_visible_v');
assert_equals(container.scrollHeight, 200, "visible/auto scrollHeight");
assert_equals(container.clientHeight, 200, "visible/auto clientHeight");
assert_equals(container.clientHeight, content.clientHeight, "visible/auto clientHeight");
assert_equals(container.offsetHeight, content.offsetHeight, "visible/auto offsetHeight");
}, "Unexpected layout: overflow visible, scrollbar-gutter always, vertical-rl");
test(function() {
let container = document.getElementById('container_hidden_v');
let content = document.getElementById('content_hidden_v');
assert_equals(container.scrollHeight, 200, "hidden/auto scrollHeight");
assert_equals(container.clientHeight, 200, "hidden/auto clientHeight");
assert_equals(container.clientHeight, content.clientHeight, "hidden/auto clientHeight");
assert_equals(container.offsetHeight, content.offsetHeight, "hidden/auto offsetHeight");
}, "Unexpected layout: overflow hidden, scrollbar-gutter always, vertical-rl");
done();
}
</script>
<body onload="performTest()">
Test scrollbar-gutter: always, writing-mode: horizontal-tb
<div class="container classic horizontal auto" id="container_auto_h">
<div class="content" id="content_auto_h">overflow-y: auto</div>
</div>
<div class="container classic horizontal scroll" id="container_scroll_h">
<div class="content" id="content_scroll_h">overflow-y: scroll</div>
</div>
<div class="container classic horizontal visible" id="container_visible_h">
<div class="content" id="content_visible_h">overflow: visible</div>
</div>
<div class="container classic horizontal hidden" id="container_hidden_h">
<div class="content" id="content_hidden_h">overflow-y: hidden</div>
</div>
writing-mode: vertical-rl;
<div class="container classic vertical auto" id="container_auto_v">
<div class="content" id="content_auto_v">overflow-x: auto</div>
</div>
<div class="container classic vertical scroll" id="container_scroll_v">
<div class="content" id="content_scroll_v">overflow-x: scroll</div>
</div>
<div class="container classic vertical visible" id="container_visible_v">
<div class="content" id="content_visible_v">overflow: visible</div>
</div>
<div class="container classic vertical hidden" id="container_hidden_v">
<div class="content" id="content_hidden_v">overflow-x: hidden</div>
</div>
</body>
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