view tests/test-dirstate-backup.t @ 38290:b5651ae53127

run-tests: restrict the test cases allowed characters

Most test cases in core and in extension only use `A-Za-z0-9-` but a few tests
in extensions also have a `.` in their test cases names. Also add a `_` to
allow all kind of case naming format.

Differential Revision: https://phab.mercurial-scm.org/D3721

Set up

  $ hg init repo
  $ cd repo

Try to import an empty patch

  $ hg import --no-commit - <<EOF
  > EOF
  applying patch from stdin
  abort: stdin: no diffs found
  [255]

No dirstate backups are left behind

  $ ls .hg/dirstate* | sort
  .hg/dirstate