wpt / css / css-flexbox / flex-item-contains-strict.html

Status: FAIL | Duration: 2ms | Subtests: 4/8 | Open test on wpt.live | wpt.fyi

TestTest SourceSubtests (4/8)

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

SubtestStatusMessage
.inline-flex 1FAILassert_equals: data-expected-width expected 0 got 63 assert_equals: data-expected-height expected 0 got 19 assert_equals: data-expected-width expected 0 got 63 assert_equals: data-expected-height expected 0 got 19
.inline-flex 2FAILassert_equals: data-expected-width expected 0 got 36 assert_equals: data-expected-height expected 0 got 19 assert_equals: data-expected-width expected 0 got 36 assert_equals: data-expected-height expected 0 got 19
.inline-flex 3PASS
.inline-flex 4PASS
.inline-flex 5FAILassert_equals: data-expected-width expected 0 got 63 assert_equals: data-expected-height expected 0 got 19 assert_equals: data-expected-width expected 0 got 63 assert_equals: data-expected-height expected 0 got 19
.inline-flex 6FAILassert_equals: data-expected-width expected 0 got 36 assert_equals: data-expected-height expected 0 got 19 assert_equals: data-expected-width expected 0 got 36 assert_equals: data-expected-height expected 0 got 19
.inline-flex 7PASS
.inline-flex 8PASS

/css/css-flexbox/flex-item-contains-strict.html

<!DOCTYPE html>
<title>CSS Flexbox: 'contain' property strict value</title>
<link rel="help" href="https://drafts.csswg.org/css-contain/#contain-property">
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#flex-containers">
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#flex-direction-property">
<link rel="help" href="https://drafts.csswg.org/css-flexbox/#align-items-property">
<meta name="assert" content="This test ensures that the strict value of the 'contain'
property in combination with mixing of 'display' inline-flex value, 'align-items' flex-start
value, column direction works properly.">
<style>
.inline-flex {
  display: inline-flex;
  outline: solid;
  background: red;
}
</style>

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/check-layout-th.js"></script>

<body onload="checkLayout('.inline-flex')">
<p>Stretched:</p>
<div class="inline-flex" style="display: inline-flex; flex-direction: column;" data-expected-width="0" data-expected-height="0">
  <div style="contain: strict;" data-expected-width="0" data-expected-height="0">Column</div>
</div>

<div class="inline-flex" data-expected-width="0" data-expected-height="0">
  <div style="contain: strict;" data-expected-width="0" data-expected-height="0">Row</div>
</div>

<div class="inline-flex" style="display: inline-flex; flex-direction: column;" data-expected-width="30" data-expected-height="30">
  <div style="contain: strict; width: 30px; height: 30px;" data-expected-width="30" data-expected-height="30">Column</div>
</div>

<div class="inline-flex" style="display: inline-flex;" data-expected-width="30" data-expected-height="30">
  <div style="contain: strict; width: 30px; height: 30px;" data-expected-width="30" data-expected-height="30">Row</div>
</div>


<p>Flex-start:</p>
<div class="inline-flex" style="flex-direction: column; align-items: flex-start;" data-expected-width="0" data-expected-height="0">
  <div style="contain: strict;" data-expected-width="0" data-expected-height="0">Column</div>
</div>

<div class="inline-flex" style="align-items: flex-start;" data-expected-width="0" data-expected-height="0">
  <div style="contain: strict;" data-expected-width="0" data-expected-height="0">Row</div>
</div>

<div class="inline-flex" style="flex-direction: column; align-items: flex-start;" data-expected-width="30" data-expected-height="30">
  <div style="contain: strict; width: 30px; height: 30px;" data-expected-width="30" data-expected-height="30">Column</div>
</div>

<div class="inline-flex" style="align-items: flex-start;" data-expected-width="30" data-expected-height="30">
  <div style="contain: strict; width: 30px; height: 30px;" data-expected-width="30" data-expected-height="30">Row</div>
</div>