wpt / css / css-grid / alignment / grid-align-baseline-overflow-001.html

Status: FAIL | Duration: 3ms | Subtests: 6/12 | Open test on wpt.live | wpt.fyi

TestTest SourceSubtests (6/12)

Data from commit:
708eb61 WPT runner: support mismatch reftests and multiple rel=match links (#665) (2026-08-09)

SubtestStatusMessage
.target > * 1PASS
.target > * 2PASS
.target > * 3FAILassert_equals: data-offset-y expected 55 got 100
.target > * 4PASS
.target > * 5PASS
.target > * 6FAILassert_equals: data-offset-y expected 30 got 185
.target > * 7FAILassert_equals: data-offset-y expected 10 got 100
.target > * 8FAILassert_equals: data-offset-y expected 50 got 20
.target > * 9FAILassert_equals: data-offset-y expected 110 got 245
.target > * 10PASS
.target > * 11FAILassert_equals: data-offset-y expected 90 got 100
.target > * 12PASS

/css/css-grid/alignment/grid-align-baseline-overflow-001.html

<!DOCTYPE html>
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/7660">
<style>
.target {
  display: grid;
  grid-auto-flow: column;
  position: relative;
  line-height: 0;
  font-size: 20px;
  inline-size: 300px;
  margin-block: 10px;
  padding: 10px;
  border: solid 3px;
}

.inner {
  overflow: hidden;
  inline-size: 100px;
  block-size: 80px;
  margin: 10px;
  border: solid 5px;
  padding: 10px;
  font-size: 30px;
}

span {
  display: inline-block;
  width: 1em;
  height: 1em;
  outline: solid cyan 3px;
  outline-offset: -3px;
}
</style>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>
<body onload="checkLayout('.target > *')">

<div class="target" style="align-items: first baseline;">
  <div data-offset-y="45"><span></span><br><span></span></div>
  <div class="inner" data-offset-y="20">
    <div>
      <span></span><br><span></span>
    </div>
  </div>
</div>

<div class="target" style="align-items: last baseline;">
  <div data-offset-y="55"><span></span><br><span></span></div>
  <div class="inner" data-offset-y="20">
    <div>
      <span></span><br><span></span>
    </div>
  </div>
</div>

<div class="target" style="align-items: first baseline;">
  <div data-offset-y="10"><span></span><br><span></span></div>
  <div class="inner" data-offset-y="30">
    <div style="margin-block-start: -200px;">
      <span></span><br><span></span>
    </div>
  </div>
</div>

<div class="target" style="align-items: last baseline;">
  <div data-offset-y="10"><span></span><br><span></span></div>
  <div class="inner" data-offset-y="50">
    <div style="margin-block-start: -200px;">
      <span></span><br><span></span>
    </div>
  </div>
</div>

<div class="target" style="align-items: first baseline;">
  <div data-offset-y="110"><span></span><br><span></span></div>
  <div class="inner" data-offset-y="20">
    <div style="margin-block-start: 200px;">
      <span></span><br><span></span>
    </div>
  </div>
</div>

<div class="target" style="align-items: last baseline;">
  <div data-offset-y="90"><span></span><br><span></span></div>
  <div class="inner" data-offset-y="20">
    <div style="margin-block-start: 200px;">
      <span></span><br><span></span>
    </div>
  </div>
</div>