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<!DOCTYPE html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1894251
-->
<title>Test for CSSStyleRule::getScopeRootFor with @scope</title>
<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
<main id=main></main>
<template id=test_unscoped>
<style id=s>
.a .b .c .d {
color: green;
}
</style>
<div class=a>
<div class=b>
<div id=notMatching class=c>
<div id=matching class=d></div>
</div>
</div>
</div>
</template>
<script>
add_task(async () => {
SimpleTest.registerCurrentTaskCleanupFunction(async () => main.replaceChildren());
main.append(test_unscoped.content.cloneNode(true));
const unscopedRule = s.sheet.cssRules[0];
const scopeRootForNotMatching = unscopedRule.getScopeRootFor(0, notMatching);
const scopeRootForMatching = unscopedRule.getScopeRootFor(0, matching);
is(scopeRootForNotMatching, null, "Scope root for element not matching unscoped rule is null");
is(scopeRootForMatching, null, "Scope root for element matching unscoped rule is null");
});
</script>
<template id=test_scoped_explicit_simple>
<style id=s>
@scope(.a) {
> #b {
color: green;
}
#c {
color: red;
}
}
</style>
<div id=root class=a>
<div id=b></div>
<div><div><div id=c></div></div></div>
</div>
</template>
<script>
add_task(async () => {
SimpleTest.registerCurrentTaskCleanupFunction(async () => main.replaceChildren());
main.append(test_scoped_explicit_simple.content.cloneNode(true));
const scopeRule = s.sheet.cssRules[0];
const bRule = scopeRule.cssRules[0];
const cRule = scopeRule.cssRules[1];
const cScopeRootWithBRule = bRule.getScopeRootFor(0, c);
const bScopeRootWithCRule = cRule.getScopeRootFor(0, b);
is(cScopeRootWithBRule, null, "Scope root for #b scoped rule with #c is null");
is(bScopeRootWithCRule, null, "Scope root for #c scoped rule with #b is null");
const bScopeRoot = bRule.getScopeRootFor(0, b);
const cScopeRoot = cRule.getScopeRootFor(0, c);
is(bScopeRoot, root, "Scope root for #b is #root");
is(cScopeRoot, root, "Scope root for #c is #root");
});
</script>
<template id=test_scoped_implicit>
<div id=root>
<style id=s>
@scope {
> #b {
color: green;
}
#c {
color: red;
}
}
</style>
<div id=b></div>
<div><div><div id=c></div></div></div>
</div>
</template>
<script>
add_task(async () => {
SimpleTest.registerCurrentTaskCleanupFunction(async () => main.replaceChildren());
main.append(test_scoped_implicit.content.cloneNode(true));
const scopeRule = s.sheet.cssRules[0];
const bRule = scopeRule.cssRules[0];
const cRule = scopeRule.cssRules[1];
const cScopeRootWithBRule = bRule.getScopeRootFor(0, c);
const bScopeRootWithCRule = cRule.getScopeRootFor(0, b);
is(cScopeRootWithBRule, null, "Scope root for #b scoped rule with #c is null");
is(bScopeRootWithCRule, null, "Scope root for #c scoped rule with #b is null");
const bScopeRoot = bRule.getScopeRootFor(0, b);
const cScopeRoot = cRule.getScopeRootFor(0, c);
is(bScopeRoot, root, "Implicit scope root for #b is #root");
is(cScopeRoot, root, "Implicit scope root for #c is #root");
});
</script>
<template id=test_scoped_explicit_with_end>
<style id=s>
@scope(.a) to (.b) {
.c {
color: green;
}
}
</style>
<div id=root class=a>
<div id=inScope class=c></div>
<div class=b>
<div id=outOfScope class=c></div>
</div>
</div>
</template>
<script>
add_task(async () => {
SimpleTest.registerCurrentTaskCleanupFunction(async () => main.replaceChildren());
main.append(test_scoped_explicit_with_end.content.cloneNode(true));
const scopeRule = s.sheet.cssRules[0];
const cRule = scopeRule.cssRules[0];
const inScopeRoot = cRule.getScopeRootFor(0, inScope);
const outOfScopeRoot = cRule.getScopeRootFor(0, outOfScope);
is(inScopeRoot, root, "#inScope finds the root");
is(outOfScopeRoot, null, "#outOfScope is out of scope due to scope-end selector");
});
</script>
<template id=test_scoped_different_roots>
<style id=s>
@scope(.a) {
:scope:not(.b) > .c {
color: green;
}
:scope.b .c {
color: red;
}
}
</style>
<div id=root1 class=a>
<div id=e1 class=c></div>
<div id=root2 class="a b">
<div id=e2 class=c></div>
</div>
</div>
</template>
<script>
add_task(async () => {
SimpleTest.registerCurrentTaskCleanupFunction(async () => main.replaceChildren());
main.append(test_scoped_different_roots.content.cloneNode(true));
const scopeRule = s.sheet.cssRules[0];
const root1Rule = scopeRule.cssRules[0];
const root2Rule = scopeRule.cssRules[1];
const e1ScopeRoot = root1Rule.getScopeRootFor(0, e1);
const e2ScopeRoot = root2Rule.getScopeRootFor(0, e2);
is(e1ScopeRoot, root1, "Scope root of #e1 is #root1");
is(e2ScopeRoot, root2, "Scope root of #e2 is #root2");
});
</script>
<template id=test_scoped_different_roots_different_selectors>
<style id=s>
@scope(.a) {
:scope > .c, :scope > .b > .c {
color: green;
}
}
</style>
<div id=root2 class=a>
<div id=root1 class="a b">
<div id=e class=c></div>
</div>
</div>
</template>
<script>
add_task(async () => {
SimpleTest.registerCurrentTaskCleanupFunction(async () => main.replaceChildren());
main.append(test_scoped_different_roots_different_selectors.content.cloneNode(true));
const scopeRule = s.sheet.cssRules[0];
const styleRule = scopeRule.cssRules[0];
const scopeRootForSelector0 = styleRule.getScopeRootFor(0, e);
const scopeRootForSelector1 = styleRule.getScopeRootFor(1, e);
is(scopeRootForSelector0, root1, "Scope root of #e given selector 0 is #root1");
is(scopeRootForSelector1, root2, "Scope root of #e given selector 1 is #root1");
});
</script>
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