Bug 287973 – REGRESSION (281100@main): [ macOS wk1 ] imported/w3c/web-platform-tests/css/css-grid/grid-definition/grid-auto-repeat-max-size-001.tentative.html is a flaky failure

• Status: NEW
• Component: New Bugs

[Karl Rackler]

Description:
imported/w3c/web-platform-tests/css/css-grid/grid-definition/grid-auto-repeat-max-size-001.tentative.html

This test was added with the WPT re-sync in 281100@main, and has been flaky since then.

This issue can be reproduced using command:
run-webkit-tests --release -1 --no-retry --force -f --iterations=50 imported/w3c/web-platform-tests/css/css-grid/grid-definition/grid-auto-repeat-max-size-001.tentative.html

History:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fcss%2Fcss-grid%2Fgrid-definition%2Fgrid-auto-repeat-max-size-001.tentative.html&flavor=wk1

Diff:
@@ -8,16 +8,40 @@
 PASS .grid 7
 PASS .grid 8
 PASS .grid 9
-PASS .grid 10
-PASS .grid 11
+FAIL .grid 10 assert_equals:
+<div class="grid border border-box pad-percent" data-expected-width="300" data-expected-height="160">
+    <div class="item" data-offset-x="130" data-offset-y="80" data-expected-width="100" data-expected-height="50">x</div>
+  </div>
+width expected 300 but got 260
+FAIL .grid 11 assert_equals:
+<div class="grid border border-box pad-calc" data-expected-width="240" data-expected-height="188">
+    <div class="item" data-offset-x="44" data-offset-y="94" data-expected-width="100" data-expected-height="50"></div>
+  </div>
+width expected 240 but got 288
 PASS .grid 12
 PASS .grid 13
 PASS .grid 14
 PASS .grid 15
-PASS .grid 16
-PASS .grid 17
+FAIL .grid 16 assert_equals:
+<div class="grid border border-box pad-percent" style="width: min-content; height: min-content;" data-expected-width="260" data-expected-height="160" title="Percentage padding, min-content">
+    <div class="item" data-offset-x="130" data-offset-y="80" data-expected-width="100" data-expected-height="50"></div>
+  </div>
+width expected 300 but got 260
+FAIL .grid 17 assert_equals:
+<div class="grid border border-box pad-calc" style="width: min-content; height: min-content;" data-expected-width="288" data-expected-height="188">
+    <div class="item" data-offset-x="144" data-offset-y="94" data-expected-width="100" data-expected-height="50"></div>
+  </div>
+width expected 240 but got 288
 PASS .grid 18
-PASS .grid 19
-PASS .grid 20
+FAIL .grid 19 assert_equals:
+<div class="grid border border-box pad-percent" style="width: max-content; height: max-content;" data-expected-width="260" data-expected-height="160" title="Percentage padding, max-content">
+    <div class="item" data-offset-x="130" data-offset-y="80" data-expected-width="100" data-expected-height="50"></div>
+  </div>
+width expected 300 but got 260
+FAIL .grid 20 assert_equals:
+<div class="grid border border-box pad-calc" style="width: max-content; height: max-content;" data-expected-width="288" data-expected-height="188">
+    <div class="item" data-offset-x="144" data-offset-y="94" data-expected-width="100" data-expected-height="50"></div>
+  </div>
+width expected 240 but got 288
 x

[Radar WebKit Bug Importer]

<rdar://problem/145149535>

[EWS]

Test gardening commit 290623@main (37473790ddcf): <https://commits.webkit.org/290623@main>

Reviewed commits have been landed. Closing PR #40869 and removing active labels.