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Test Info: Warnings
- This test has a WPT meta file that expects 7 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /css/css-contain/container-queries/font-relative-units-dynamic.html - WPT Dashboard Interop Dashboard
<!doctype html>
<title>CSS Container Queries Test: font-relative units - dynamic</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/cq-testcommon.js"></script>
<script>
setup(() => assert_implements_container_queries());
// Inflate a <template> subtree into #main, run the test function,
// then clean up.
function test_template(template_element, test_fn, description) {
test((t) => {
assert_equals(template_element.tagName, "TEMPLATE");
t.add_cleanup(() => main.replaceChildren());
main.append(template_element.content.cloneNode(true));
test_fn(t);
}, description);
}
const green = "rgb(0, 128, 0)";
const red = "rgb(255, 0, 0)";
</script>
<style>
main {
color: red;
}
#container {
container-type: inline-size;
width: 100px;
}
#container > div {
font-size: 16px;
}
</style>
<main id=main>
</main>
<template>
<style>
main { font-size: 10px; }
main.larger { font-size: 20px; }
@container (width: 5em) {
#test { color: green }
}
</style>
<div id="container">
<div>
<div id="test"></div>
</div>
</div>
</template>
<script>
test_template(document.currentScript.previousElementSibling, (t) => {
t.add_cleanup(() => main.classList.remove("larger"));
assert_equals(getComputedStyle(main.querySelector("#test")).color, red);
main.classList.add("larger");
assert_equals(getComputedStyle(main.querySelector("#test")).color, green);
}, 'em units respond to changes');
</script>
<template>
<style>
:root { font-size: 10px; }
:root.larger { font-size: 50px; }
@container (width: 2rem) {
#test { color: green }
}
</style>
<div id="container">
<div>
<div id="test"></div>
</div>
</div>
</template>
<script>
test_template(document.currentScript.previousElementSibling, (t) => {
t.add_cleanup(() => document.documentElement.classList.remove("larger"));
assert_equals(getComputedStyle(main.querySelector("#test")).color, red);
document.documentElement.classList.add("larger");
assert_equals(getComputedStyle(main.querySelector("#test")).color, green);
}, 'rem units respond to changes');
</script>
<template>
<style>
main { font-size: 10px; }
main.larger { font-size: 20px; }
@container (width <= 15ex) {
#test { color: green }
}
</style>
<div id="container">
<div>
<div id="test"></div>
</div>
</div>
</template>
<script>
test_template(document.currentScript.previousElementSibling, (t) => {
t.add_cleanup(() => main.classList.remove("larger"));
assert_equals(getComputedStyle(main.querySelector("#test")).color, red);
main.classList.add("larger");
assert_equals(getComputedStyle(main.querySelector("#test")).color, green);
}, 'ex units respond to changes');
</script>
<template>
<style>
:root { font-size: 10px; }
:root.larger { font-size: 20px; }
@container (width <= 12rex) {
#test { color: green }
}
</style>
<div id="container">
<div>
<div id="test"></div>
</div>
</div>
</template>
<script>
test_template(document.currentScript.previousElementSibling, (t) => {
t.add_cleanup(() => document.documentElement.classList.remove("larger"));
assert_equals(getComputedStyle(main.querySelector("#test")).color, red);
document.documentElement.classList.add("larger");
assert_equals(getComputedStyle(main.querySelector("#test")).color, green);
}, 'rex units respond to changes');
</script>
<template>
<style>
main { font-size: 10px; }
main.larger { font-size: 20px; }
@container (width <= 15ch) {
#test { color: green }
}
</style>
<div id="container">
<div>
<div id="test"></div>
</div>
</div>
</template>
<script>
test_template(document.currentScript.previousElementSibling, (t) => {
t.add_cleanup(() => main.classList.remove("larger"));
assert_equals(getComputedStyle(main.querySelector("#test")).color, red);
main.classList.add("larger");
assert_equals(getComputedStyle(main.querySelector("#test")).color, green);
}, 'ch units respond to changes');
</script>
<template>
<style>
@import url("/fonts/ahem.css");
main { font-family: 'Ahem'; font-size: 10px; }
main.larger { font-size: 20px; }
@container (width <= 7cap) {
#test { color: green }
}
</style>
<div id="container">
<div>
<div id="test"></div>
</div>
</div>
</template>
<script>
test_template(document.currentScript.previousElementSibling, (t) => {
t.add_cleanup(() => main.classList.remove("larger"));
assert_equals(getComputedStyle(main.querySelector("#test")).color, red);
main.classList.add("larger");
assert_equals(getComputedStyle(main.querySelector("#test")).color, green);
}, 'cap units respond to changes');
</script>
<template>
<style>
:root { font-size: 10px; }
:root.larger { font-size: 20px; }
@container (width <= 15rch) {
#test { color: green }
}
</style>
<div id="container">
<div>
<div id="test"></div>
</div>
</div>
</template>
<script>
test_template(document.currentScript.previousElementSibling, (t) => {
t.add_cleanup(() => document.documentElement.classList.remove("larger"));
assert_equals(getComputedStyle(main.querySelector("#test")).color, red);
document.documentElement.classList.add("larger");
assert_equals(getComputedStyle(main.querySelector("#test")).color, green);
}, 'rch units respond to changes');
</script>
<template>
<style>
main {
font-size: 10px;
line-height: 5;
}
main.larger { font-size: 20px; }
@container (width <= 1lh) {
#test { color: green }
}
</style>
<div id="container">
<div>
<div id="test"></div>
</div>
</div>
</template>
<script>
test_template(document.currentScript.previousElementSibling, (t) => {
t.add_cleanup(() => main.classList.remove("larger"));
assert_equals(getComputedStyle(main.querySelector("#test")).color, red);
main.classList.add("larger");
assert_equals(getComputedStyle(main.querySelector("#test")).color, green);
}, 'lh units respond to changes');
</script>
<template>
<style>
:root {
font-size: 10px;
line-height: 5;
}
:root.larger {
font-size: 20px;
}
@container (width <= 1rlh) {
#test { color: green }
}
</style>
<div id="container">
<div>
<div id="test"></div>
</div>
</div>
</template>
<script>
test_template(document.currentScript.previousElementSibling, (t) => {
t.add_cleanup(() => document.documentElement.classList.remove("larger"));
assert_equals(getComputedStyle(main.querySelector("#test")).color, red);
document.documentElement.classList.add("larger");
assert_equals(getComputedStyle(main.querySelector("#test")).color, green);
}, 'rlh units respond to changes');
</script>
<template>
<style>
main { font-size: 10px; }
main.larger { font-size: 20px; }
@container (width <= 8ic) {
#test { color: green }
}
</style>
<div id="container">
<div>
<div id="test"></div>
</div>
</div>
</template>
<script>
test_template(document.currentScript.previousElementSibling, (t) => {
t.add_cleanup(() => main.classList.remove("larger"));
assert_equals(getComputedStyle(main.querySelector("#test")).color, red);
main.classList.add("larger");
assert_equals(getComputedStyle(main.querySelector("#test")).color, green);
}, 'ic units respond to changes');
</script>
<template>
<style>
:root { font-size: 10px; }
:root.larger { font-size: 20px; }
@container (width <= 8ric) {
#test { color: green }
}
</style>
<div id="container">
<div>
<div id="test"></div>
</div>
</div>
</template>
<script>
test_template(document.currentScript.previousElementSibling, (t) => {
t.add_cleanup(() => document.documentElement.classList.remove("larger"));
assert_equals(getComputedStyle(main.querySelector("#test")).color, red);
document.documentElement.classList.add("larger");
assert_equals(getComputedStyle(main.querySelector("#test")).color, green);
}, 'ric units respond to changes');
</script>
<template>
<style>
@import url("/fonts/ahem.css");
:root { font-family: 'Ahem'; font-size: 10px; }
:root.larger { font-size: 20px; }
@container (width <= 7rcap) {
#test { color: green }
}
</style>
<div id="container">
<div style="font-family: monospace;">
<div id="test"></div>
</div>
</div>
</template>
<script>
test_template(document.currentScript.previousElementSibling, (t) => {
t.add_cleanup(() => document.documentElement.classList.remove("larger"));
assert_equals(getComputedStyle(main.querySelector("#test")).color, red);
document.documentElement.classList.add("larger");
assert_equals(getComputedStyle(main.querySelector("#test")).color, green);
}, 'rcap units respond to changes');
</script>