225796 2021-05-13 19:50:56 -0700 REGRESSION(r277437):[ macOS ] inspector/unit-tests/heap-snapshot-collection-event.html is a constant text failure 2021-05-19 14:59:08 -0700 1 1 1 Unclassified WebKit Web Inspector WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 jenner webkit-unassigned inspector-bugzilla-changes webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 1759976 0 jenner 2021-05-13 19:50:56 -0700 inspector/unit-tests/heap-snapshot-collection-event.html is a constant text failure on macOS. HISTORY: https://results.webkit.org/?suite=layout-tests&test=media%2Fmodern-media-controls%2Fpip-support%2Fpip-support-enabled.html TEXT DIFF: == Running test suite: HeapSnapshot.CollectionEvent -- Running test case: HeapSnapshot PASS: Should not have an error creating a snapshot. -PASS: Should create HeapSnapshotProxy snapshot. +Uncaught exception in Inspector page: SyntaxError: JSON Parse error: Single quotes (') are not allowed in JSON [HeapSnapshot.js:92:30] --- Running test case: HeapSnapshotCollectionEvent -PASS: Should not have an error creating a snapshot. -PASS: Received HeapSnapshot.CollectionEvent. -PASS: Collection should include at least 200 nodes (100 objects and 100 strings). -PASS: Collection should affect the first snapshot. --- Running test case: HeapSnapshot.prototype.update -PASS: 0 Objects were dead before. -PASS: At least 100 Objects are dead after. -PASS: 0 strings were dead before. -PASS: At least 100 strings are dead after. - 1759977 1 webkit-bug-importer 2021-05-13 19:51:24 -0700 <rdar://problem/78000283> 1759980 2 jenner 2021-05-13 20:01:10 -0700 Ignore the history link above. I accidentally pasted the wrong on in. Here is the correct history link: https://results.webkit.org/?suite=layout-tests&test=inspector%2Funit-tests%2Fheap-snapshot-collection-event.html 1759981 3 jenner 2021-05-13 20:04:19 -0700 I have reproduced the failure at BigSur Production ToT using the following test: run-webkit-tests inspector/unit-tests/heap-snapshot-collection-event.html --iterations 100 -f It failed all 100 times when running that test. The history shows a clear regression point of r277437, and I was able to confirm it. The above test passes at r277436, but fails at r277437. 1761719 4 ap 2021-05-19 14:59:08 -0700 Looks like this got fixed in https://trac.webkit.org/changeset/277480