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<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-sizing-4/#last-remembered">
<title>Tests that contain-intrinsic-size: auto only works with content-visibility: auto, not just size containment</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<div style="height: 2000px;"></div>
<div style="contain-intrinsic-size: auto 1px;" id="test">
<div style="height: 50px;"></div> <!-- make 'test' have a 50px height -->
</div>
<script>
function finalize() {
el.style.contain = "size";
log.innerText = el.offsetHeight;
// No content-visibility: auto, so this should remain 1.
assert_equals(el.offsetHeight, 1);
}
var t = async_test("contain-intrinsic-size: auto");
var log = document.getElementById("log");
var el = document.getElementById("test");
var observer = new ResizeObserver(function() {
requestAnimationFrame(t.step_func_done(finalize));
observer.unobserve(el);
});
observer.observe(el);
el.offsetWidth;
</script>
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