← back to v131 · explicit-resource-management-sync
conformance · v131
v131 · explicit-resource-management-sync — conformance probe
6 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.
0
pass
0
fail
0
blocked
6
total
| id | contract | kind | verdict | detail |
|---|---|---|---|---|
symbol-dispose-exposed |
Symbol.dispose is exposed as the well-known symbol for synchronous disposal. spec ↗ | script | … | |
disposable-stack-constructor |
DisposableStack is exposed as the synchronous resource stack constructor. spec ↗ | typeof | … | |
suppressed-error-constructor |
SuppressedError is exposed for disposal failures that suppress earlier errors. spec ↗ | typeof | … | |
using-syntax-disposes-on-block-exit |
The using declaration syntax calls Symbol.dispose when control exits the block. spec ↗ | script | … | |
disposable-stack-defer-runs |
DisposableStack.defer registers a callback that runs when dispose is called. spec ↗ | script | … | |
disposable-stack-disposes-once |
DisposableStack.dispose is idempotent and does not run deferred callbacks twice. spec ↗ | script | … |