align-content-block-simple-height-change.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-align/blocks/align-content-block-simple-height-change.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<link rel="help" href="https://drafts.csswg.org/css-align/#distribution-block">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<style>

body {

  margin: 0;

</style>

<div id="target" style="height: 200px;">

  <div style="align-content: center; height: 100%;">

    <div style="height: 60px;" id="content"></div>

  </div>

</div>

<script>

// Blink has an optimization that it skips child layout if only the container

// height is changed. This test ensures the opmiziation is not used for

// a non-normal align-content value.

test(() => {

  document.body.offsetTop;

  assert_equals(content.offsetTop, (200 - 60) / 2);

  target.style.height = '100px';

  assert_equals(content.offsetTop, (100 - 60) / 2);

}, 'Updating a container height should align the content again');

</script>