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<!DOCTYPE html>
<title>@container: scroll-state(scrollable) matching for writing direction</title>
<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#scrollable">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/css-conditional/container-queries/support/cq-testcommon.js"></script>
<script src="/css/css-transitions/support/helper.js"></script>
<style>
.scrollable {
container-type: scroll-state;
width: 100px;
height: 100px;
overflow: auto;
&::before {
display: block;
content: " "
}
&.h::before {
width: 200px;
height: 10px;
}
&.v::before {
width: 10px;
height: 200px;
}
}
.target {
@container scroll-state(scrollable: block-start) { --block-start: yes }
@container scroll-state(scrollable: block-end) { --block-end: yes }
@container scroll-state(scrollable: inline-start) { --inline-start: yes }
@container scroll-state(scrollable: inline-end) { --inline-end: yes }
@container scroll-state(scrollable: top) { --top: yes }
@container scroll-state(scrollable: left) { --left: yes }
@container scroll-state(scrollable: bottom) { --bottom: yes }
@container scroll-state(scrollable: right) { --right: yes }
}
.ltr { direction: ltr; }
.rtl { direction: rtl; }
.htb { writing-mode: horizontal-tb; }
.vlr { writing-mode: vertical-lr; }
.vrl { writing-mode: vertical-rl; }
</style>
<div class="scrollable h htb ltr"><span class="target"></span></div>
<div class="scrollable h htb rtl"><span class="target"></span></div>
<div class="scrollable h vlr ltr"><span class="target"></span></div>
<div class="scrollable h vlr rtl"><span class="target"></span></div>
<div class="scrollable h vrl ltr"><span class="target"></span></div>
<div class="scrollable h vrl rtl"><span class="target"></span></div>
<div class="scrollable v htb ltr"><span class="target"></span></div>
<div class="scrollable v htb rtl"><span class="target"></span></div>
<div class="scrollable v vlr ltr"><span class="target"></span></div>
<div class="scrollable v vlr rtl"><span class="target"></span></div>
<div class="scrollable v vrl ltr"><span class="target"></span></div>
<div class="scrollable v vrl rtl"><span class="target"></span></div>
<script>
setup(() => assert_implements_scroll_state_container_queries());
function match_scrollable(container_selector, expected_matches) {
let scroller = document.querySelector(container_selector + " .target");
let style = getComputedStyle(scroller);
for (let custom_prop of [ "--block-start",
"--block-end",
"--inline-start",
"--inline-end",
"--top",
"--left",
"--bottom",
"--right" ]) {
assert_equals(style.getPropertyValue(custom_prop) === "yes",
expected_matches[custom_prop] === true, custom_prop);
}
}
promise_test(async t => {
await waitForAnimationFrames(2);
match_scrollable(".scrollable.h.htb.ltr", {"--inline-end": true, "--right": true });
}, "scroll-state(scrollable) horizontal scrollbar horizontal-tb/ltr");
promise_test(async t => {
match_scrollable(".scrollable.h.htb.rtl", {"--inline-end": true, "--left": true });
}, "scroll-state(scrollable) horizontal scrollbar horizontal-tb/rtl");
promise_test(async t => {
match_scrollable(".scrollable.h.vlr.ltr", {"--block-end": true, "--right": true });
}, "scroll-state(scrollable) horizontal scrollbar vertical-lr/ltr");
promise_test(async t => {
match_scrollable(".scrollable.h.vlr.rtl", {"--block-end": true, "--right": true });
}, "scroll-state(scrollable) horizontal scrollbar vertical-lr/rtl");
promise_test(async t => {
match_scrollable(".scrollable.h.vrl.ltr", {"--block-end": true, "--left": true });
}, "scroll-state(scrollable) horizontal scrollbar vertical-rl/ltr");
promise_test(async t => {
match_scrollable(".scrollable.h.vrl.rtl", {"--block-end": true, "--left": true });
}, "scroll-state(scrollable) horizontal scrollbar vertical-rl/rtl");
promise_test(async t => {
match_scrollable(".scrollable.v.htb.ltr", {"--block-end": true, "--bottom": true });
}, "scroll-state(scrollable) vertical scrollbar horizontal-tb/ltr");
promise_test(async t => {
match_scrollable(".scrollable.v.htb.rtl", {"--block-end": true, "--bottom": true });
}, "scroll-state(scrollable) vertical scrollbar horizontal-tb/rtl");
promise_test(async t => {
match_scrollable(".scrollable.v.vlr.ltr", {"--inline-end": true, "--bottom": true });
}, "scroll-state(scrollable) vertical scrollbar vertical-lr/ltr");
promise_test(async t => {
match_scrollable(".scrollable.v.vlr.rtl", {"--inline-end": true, "--top": true });
}, "scroll-state(scrollable) vertical scrollbar vertical-lr/rtl");
promise_test(async t => {
match_scrollable(".scrollable.v.vrl.ltr", {"--inline-end": true, "--bottom": true });
}, "scroll-state(scrollable) vertical scrollbar vertical-rl/ltr");
promise_test(async t => {
match_scrollable(".scrollable.v.vrl.rtl", {"--inline-end": true, "--top": true });
}, "scroll-state(scrollable) vertical scrollbar vertical-rl/rtl");
</script>
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