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Dataset 20261011-0550-f160c57 · measured 2026-10-11 05:50 UTC
28 of 29 assertions match; 1 do not. parsing acceptance — every value the parser must accept or reject.
| Subtest | Expected | Got | Verdict |
|---|---|---|---|
| "::slotted(*):hover" should be an invalid selector | rejected | accepted | fail |
| "::slotted" should be an invalid selector | — | — | pass |
| "::slotted()" should be an invalid selector | — | — | pass |
| "::slotted(*).class" should be an invalid selector | — | — | pass |
| "::slotted(*)#id {}" should be an invalid selector | — | — | pass |
| "::slotted(*)[attr]" should be an invalid selector | — | — | pass |
| "::slotted(*):host" should be an invalid selector | — | — | pass |
| "::slotted(*):host(div)" should be an invalid selector | — | — | pass |
| "::slotted(*):has(span)" should be an invalid selector | — | — | pass |
| "::slotted(*):read-only" should be an invalid selector | — | — | pass |
| "::slotted(*)::slotted(*)" should be an invalid selector | — | — | pass |
| "::slotted(*)::before::slotted(*)" should be an invalid selector | — | — | pass |
| "::slotted(*) span" should be an invalid selector | — | — | pass |
| "::slotted(*)" should be a valid selector | — | — | pass |
| "::slotted(div)" should be a valid selector | — | — | pass |
| "::slotted([attr]:hover)" should be a valid selector | — | — | pass |
| "::slotted(:not(.a))" should be a valid selector | — | — | pass |
| "::slotted(*)::before" should be a valid selector | — | — | pass |
| "::slotted(*)::after" should be a valid selector | — | — | pass |
| "::slotted(*)::details-content" should be a valid selector | — | — | pass |
| "::slotted(*)::file-selector-button" should be a valid selector | — | — | pass |
| "::slotted(*)::placeholder" should be a valid selector | — | — | pass |
| "::slotted(*)::marker" should be a valid selector | — | — | pass |
| "::slotted(select)::picker(select)" should be a valid selector | — | — | pass |
| "::slotted(*)::picker-icon" should be a valid selector | — | — | pass |
| "::slotted(*)::first-line" should be an invalid selector | — | — | pass |
| "::slotted(*)::first-letter" should be an invalid selector | — | — | pass |
| "::slotted(*)::selection" should be an invalid selector | — | — | pass |
| "::slotted(select)::picker" should be an invalid selector | — | — | pass |
A passing subtest asked for and got the same thing, so its two middle columns are empty. Dataset 20261011-0550-f160c57, measured 2026-10-11 05:50 UTC. These pages are rebuilt once a day; the figures on the results page follow every accepted run.