available-block-size-invalid.https.html

<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutconstraintsoptions-availableblocksize">
<link rel="match" href="../green-square-ref.html">
<meta name="assert" content="This test checks that setting an invalid available block-size works as expected." />

<style>
.test {
  writing-mode: horizontal-tb;
  background: red;
  width: 100px;
}

.child {
  writing-mode: vertical-rl;
  visibility: hidden;
  line-height: 0;

  --available-block-size: -20;
}

.inline {
  display: inline-block;
  width: 8px;
}

.inline-size-10 { height: 10px; }

@supports (display: layout(test)) {
  .test {
    background: green;
    display: layout(test);
  }
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>

<div class="test">
  <!-- The invalid available block-size should be clamped to zero. -->
  <div class="child" style="--block-size-expected: 10; --inline-size-expected: 16;">
    <span class="inline inline-size-10"></span>
    <span class="inline inline-size-10"></span>
  </div>
</div>

<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, {url: 'support/layout-child-sizes-worklet.js'});
</script>

chromium/third_party/blink/web_tests/external/wpt/css/css-layout-api/child-constraints/available-block-size-invalid.https.html