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<!doctype html>
<title>CSS Container Queries Test: applied containment for container-type</title>
<link rel="help" href="https://drafts.csswg.org/css-contain-3/#container-type">
<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());
</script>
<style>
/* Note: background colors have no impact on the test result. They are
present to make it easier to visually verify that the test
does the right thing. */
.square {
width: 50px;
height: 50px;
background: tomato;
}
.half {
width: 25px;
height: 50px;
background: red;
}
div > div:nth-of-type(1) { background: skyblue; }
div > div:nth-of-type(2) { background: hotpink; }
</style>
<div id=test1 class=square>
<div id=float1 class=half style="float:left"></div>
<div id=child1 class=half style="container-type:inline-size"></div>
</div>
<script>
test(() => {
assert_equals(child1.offsetLeft, test1.offsetLeft + float1.offsetWidth);
}, 'container-type:inline-size turns on layout containment');
</script>
<hr>
<div id=test2 class=square>
<div id=ref2 style="float:left">A</div>
<div id=child2 style="float:left; container-type:inline-size">A</div>
</div>
<script>
test(() => {
assert_equals(child2.offsetWidth, 0);
assert_equals(child2.offsetHeight, ref2.offsetHeight);
}, 'container-type:inline-size turns on inline-size containment');
</script>
<hr>
<div id=test3 class=square>
<div id=child3 style="float:left; container-type:size">A</div>
</div>
<script>
test(() => {
assert_equals(child3.offsetHeight, 0);
assert_equals(child3.offsetWidth, 0);
}, 'container-type:size turns on full size containment');
</script>
<hr>
<style>
#ref4::before, #child4::before {
content: counter(foo);
}
</style>
<div id=test4 class=square style="counter-set: foo 5">
<div id=ref4 style="float:left"></div>
<section style="container-type:inline-size">
<span style="counter-increment: foo 1000;"></span>
</section>
<section style="container-type:size">
<span style="counter-increment: foo 1000;"></span>
</section>
<div id=child4 style="float:left"></div>
</div>
<script>
test(() => {
assert_equals(child4.offsetWidth, ref4.offsetWidth);
}, 'container-type:inline/size turns on style containment');
</script>
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