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<!DOCTYPE html>
<title>Custom Functions: ShadowDOM</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/utils.js"></script>
<style>
@function --a() { result: 42px; }
</style>
<!--
Each element <div data-name="test case name"> represents a test.
Inside each such element (including all shadow trees), there must be
an element #target, with identical computed values for --actual and --expected.
-->
<div data-name="@function works inside shadow">
<template shadowrootmode=open>
<style>
@function --a() {
result: 10px;
}
#target {
--actual: --a();
--expected: 10px;
}
</style>
<div id=target></div>
</template>
</div>
<div data-name="Looking up document-global function">
<template shadowrootmode=open>
<style>
#target {
--actual: --a();
--expected: 42px;
}
</style>
<div id=target></div>
</template>
</div>
<div data-name="@function works inside nested shadow">
<template shadowrootmode=open>
<div>
<template shadowrootmode=open>
<style>
@function --a() {
result: 11px;
}
#target {
--actual: --a();
--expected: 11px;
}
</style>
<div id=target></div>
</template>
</div>
</template>
</div>
<div data-name="@function defined in outer shadow is visible">
<template shadowrootmode=open>
<style>
@function --a() {
result: 12px;
}
</style>
<div>
<template shadowrootmode=open>
<style>
#target {
--actual: --a();
--expected: 12px;
}
</style>
<div id=target></div>
</template>
</div>
</template>
</div>
<div data-name="Combining functions from various scopes">
<template shadowrootmode=open>
<style>
@function --b() {
result: B;
}
</style>
<div>
<template shadowrootmode=open>
<style>
@function --c() {
result: C;
}
#target {
--actual: --a() --b() --c();
--expected: 42px B C;
}
</style>
<div id=target></div>
</template>
</div>
</template>
</div>
<div data-name="::part() can not see inner functions">
<template shadowrootmode=open>
<style>
@function --b() {
result: 14px;
}
::part(target) {
--actual: --a() --b();
--expected: 42px 14px;
}
</style>
<div>
<template shadowrootmode=open>
<style>
@function --a() {
result: FAIL-a;
}
@function --b() {
result: FAIL-b;
}
</style>
<div id=target part=target></div>
</template>
</div>
</template>
</div>
<div data-name="::slotted() can see inner functions">
<template shadowrootmode=open>
<style>
@function --b() {
result: 16px;
}
</style>
<div>
<template shadowrootmode=open>
<style>
@function --c() {
result: 15px;
}
::slotted(#target) {
--actual: --a() --b() --c();
--expected: 42px 16px 15px;
}
</style>
<slot></slot>
</template>
<div id=target></div>
</div>
</template>
</div>
<div data-name=":host can see inner functions">
<template shadowrootmode=open>
<style>
@function --b() {
result: 17px;
}
</style>
<div id=target>
<template shadowrootmode=open>
<style>
@function --c() {
result: 18px;
}
:host {
--actual: --a() --b() --c();
--expected: 42px 17px 18px;
}
</style>
</template>
</div>
</template>
</div>
<div data-name="Outer functions can't see inner functions">
<template shadowrootmode=open>
<style>
@function --b() {
result: --c(); /* 20px */
}
@function --c() {
result: 20px;
}
</style>
<div>
<template shadowrootmode=open>
<style>
@function --c() {
result: C;
}
#target {
--actual: --b() --c();
--expected: 20px C;
}
</style>
<div id=target></div>
</template>
</div>
</template>
</div>
<div data-name="Outer functions can't see inner functions (local vars)">
<template shadowrootmode=open>
<style>
@function --b() {
--lb: --c();
result: var(--lb); /* 22px */
}
@function --c() {
result: 22px;
}
</style>
<div>
<template shadowrootmode=open>
<style>
@function --c() {
result: C;
}
@function --d() {
--ld: --b() --c();
result: var(--ld);
}
#target {
--actual: --d();
--expected: 22px C;
}
</style>
<div id=target></div>
</template>
</div>
</template>
</div>
<div data-name="Function with same name in different scopes">
<template shadowrootmode=open>
<style>
@function --a() {
result: 24px;
}
@function --b() {
result: --a(); /* 24px */
}
</style>
<div>
<template shadowrootmode=open>
<style>
@function --a() {
result: --b(); /* Calls --b() in outer scope. */
}
#target {
/* Nothing is in a cycle here. */
--actual: --a();
--expected: 24px;
}
</style>
<div id=target></div>
</template>
</div>
</template>
</div>
<script>
test_all_shadows();
</script>