chromium/third_party/blink/web_tests/external/wpt/css/css-layout-api/child-constraints/available-size-for-percentages-htb-htb.https.html

<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#dom-layoutconstraintsoptions-availableinlinesize">
<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 resolving percentages against the available size works as expected." />

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

.child {
  writing-mode: horizontal-tb;
  visibility: hidden;

  --available-inline-size: 50;
  --available-block-size: 20;

  --inline-size-expected: 10px;
  --block-size-expected: 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">
  <!-- A fixed width/height shouldn't be affected by the available size. -->
  <div class="child" style="width: 10px; height: 10px;"></div>

  <!-- A percentage width/height should resolve itself against the available size. -->
  <div class="child" style="width: 20%; height: 50%;"></div>

  <!-- A percentage max-width/max-height should resolve itself against the available size. -->
  <div class="child" style="width: 15px; max-width: 20%; height: 15px; max-height: 50%;"></div>

  <!-- A percentage min-width/min-height should resolve itself against the available size. -->
  <div class="child" style="width: 5px; min-width: 20%; height: 5px; min-height: 50%;"></div>

  <!-- A replaced percentage width/height should resolve itself against the available size. -->
  <img class="child" style="width: 20%; height: 50%;" />

  <!-- A replaced percentage max-width/max-height should resolve itself against the available size. -->
  <img class="child" style="width: 15px; max-width: 20%; height: 15px; max-height: 50%;" />

  <!-- A replaced percentage min-width/min-height should resolve itself against the available size. -->
  <img class="child" style="width: 5px; min-width: 20%; height: 5px; min-height: 50%;" />
<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, {url: 'support/layout-child-sizes-worklet.js'});
</script>