Blitz - WPT: child-size-03.https.html

wpt / css / css-layout-api / intrinsic-sizes / child-size-03.https.html

/css/css-layout-api/intrinsic-sizes/child-size-03.https.html

<!DOCTYPE html>
<html class=reftest-wait>
<link rel="help" href="https://drafts.css-houdini.org/css-layout-api/#intrinsic-sizes">
<link rel="match" href="child-size-02-ref.html">
<meta name="assert" content="This test checks that setting a child's intrinsicSizes does not override its max-width." />
<style>
.test {
  background: red;
  height: 100px;
  width: max-content;
}

.child {
  max-width: 75px;
}

@supports (display: layout(parent)) {
  .test {
    display: layout(parent);
    background: green;
  }

  .child {
    display: layout(child);
  }
}
</style>
<script src="/common/reftest-wait.js"></script>
<script src="/common/worklet-reftest.js"></script>

<div class="test">
  <div class="child"></div>
</div>

<script id="code" type="text/worklet">
const MAX_CONTENT_SIZE = 100;
const MIN_CONTENT_SIZE = 50;

registerLayout('parent', class {
  static get childInputProperties() { return ['max-width']; }

  async intrinsicSizes(children, edges, styleMap) {
    const childrenSizes = await Promise.all(children.map((child) => {
        return child.intrinsicSizes();
    }));

    if (childrenSizes[0].minContentSize == MIN_CONTENT_SIZE &&
        childrenSizes[0].maxContentSize == child.styleMap.get('max-width').value) {
      return { maxContentSize: MAX_CONTENT_SIZE, minContentSize: MIN_CONTENT_SIZE };
    }
    return { maxContentSize: 0, minContentSize: 0 };
  }
  async layout() {}
});

registerLayout('child', class {
  async intrinsicSizes() {
    return { maxContentSize: MAX_CONTENT_SIZE, minContentSize: MIN_CONTENT_SIZE };
  }
  async layout() {}
});
</script>

<script>
importWorkletAndTerminateTestAfterAsyncPaint(CSS.layoutWorklet, document.getElementById('code').textContent);
</script>
</html>

/css/css-layout-api/intrinsic-sizes/child-size-02-ref.html

<!DOCTYPE html>
<style>
.result {
  background: green;
  height: 100px;
  width: 75px;
}
</style>
<div class="result"></div>