Bug 151356 – [Streams API] Implement IsReadableStreamDisturbed according to spec

• Component: New Bugs
• Status: RESOLVED FIXED

[Xabier Rodríguez Calvar]

[Streams API] Implement IsReadableStreamDisturbed according to spec

[Xabier Rodríguez Calvar]

Created attachment 265697 [details]
Patch

[Darin Adler]

Comment on attachment 265697 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=265697&action=review

> Source/WebCore/testing/Internals.idl:413
> +    [Conditional=STREAMS_API, CallWith=ScriptState] boolean isReadableStreamDisturbed(any stream);

Is there really no indirect way to test this “disturbed” state? That’s what we should be doing. I think exposing the internal disturbed flag is an inferior way to do the testing. The specification does not actually require a “disturbed” flag; just that everything works “as if” there is one. I suppose we are inheriting this testing strategy from whoever is creating the test suite, though.

[Xabier Rodríguez Calvar]

(In reply to comment #2)
> Is there really no indirect way to test this “disturbed” state? That’s what
> we should be doing. I think exposing the internal disturbed flag is an
> inferior way to do the testing. The specification does not actually require
> a “disturbed” flag; just that everything works “as if” there is one. I
> suppose we are inheriting this testing strategy from whoever is creating the
> test suite, though.

Yes, I am doing it like this precisely because there are such tests. Actually it is kinda surprinsing that they exist in such way.

Anyway, the flag is exposed thru the test internals so never to the user in the browser.

[youenn fablet]

AFAIK, disturbed flag is only needed by fetch API atm.

It will be testable as usual once fetch API becomes available to WebKit which I hope will happen in a near future.

The reference testsuite is built to ensure spec and ref impl work well.

[WebKit Commit Bot]

Comment on attachment 265697 [details]
Patch

Clearing flags on attachment: 265697

Committed r192621: <http://trac.webkit.org/changeset/192621>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.