[C++] GcsFileSystem *File classes fail to report errors

[asfimport]

Reading and/or writing from or to closed files should fail, but does not. We probably are not checking stream.good() (or stream.bad()) in the underlying stream, or failing to check if the stream is closed.

Reporter: Carlos O'Ryan / @coryan
Assignee: Carlos O'Ryan / @coryan

Related issues:

• [C++] Implement generic filesystem tests for GCS (is a child of)

PRs and other links:

• GitHub Pull Request #11976

_{Note: This issue was originally created as ARROW-15115. Please see the migration documentation for further details.}

[asfimport]

Antoine Pitrou / @pitrou:
Issue resolved by pull request 11976
#11976