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<!DOCTYPE html>
<title>Custom Functions: Container Queries + ShadowDOM</title>
<link rel="help" href="https://drafts.csswg.org/css-mixins-1/#using-custom-functions">
<link rel="help" href="https://drafts.csswg.org/css-scoping-1/#css-tree-scoped-reference">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/utils.js"></script>
<div data-name="Can query named container in shadow">
<template shadowrootmode=open>
<style>
@function --b() {
@container --cont (width = 10px) {
result: 10px;
}
}
::part(target) {
--actual: --b();
--expected: 10px;
}
.container {
container: --cont / size;
width: 10px;
height: 10px;
}
</style>
<div id=target part=target></div>
</template>
</div>
<div data-name="::part() can see inner named containers">
<template shadowrootmode=open>
<style>
@function --b() {
@container --cont (width = 5px) {
result: 5px;
}
@container --cont (width = 10px) {
result: 10px;
}
}
::part(target) {
--actual: --b();
--expected: 5px;
}
.container {
container: --cont / size;
width: 10px;
height: 10px;
}
</style>
<div class=container>
<template shadowrootmode=open>
<style>
@function --b() {
result: FAIL;
}
.container {
container: --cont / size;
width: 5px;
height: 5px;
}
</style>
<div class=container>
<div id=target part=target></div>
</div>
</template>
</div>
</template>
</div>
<div data-name="::slotted() can see inner named containers">
<template shadowrootmode=open>
<style>
@function --b() {
@container --cont (width = 5px) {
result: 5px;
}
@container --cont (width = 10px) {
result: 10px;
}
}
.container {
container: --cont / size;
width: 10px;
height: 10px;
}
</style>
<div class=container>
<template shadowrootmode=open>
<style>
@function --c() {
@container --cont (width = 5px) {
result: 5px;
}
@container --cont (width = 10px) {
result: 10px;
}
}
.container {
container: --cont / size;
width: 5px;
height: 5px;
}
::slotted(#target) {
--actual: --b() --c();
--expected: 5px 5px;
}
</style>
<div class=container>
<slot></slot>
</div>
</template>
<div id=target></div>
</div>
</template>
</div>
<script>
test_all_shadows();
</script>
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