tests/test-mq-qpush-fail.t

22377:f98abe3146b2

  applying c
  patch c is empty
  now at: c

now try it when a is unguarded, and we're at the top of the queue
  $ hg qsel block
  number of guarded, applied patches has changed from 1 to 0
  $ hg qpush b
  abort: cannot push to a previous patch: b
  [255]
  $ hg qpush a
  abort: cannot push to a previous patch: a

22453:fd0f0b0d316d

  applying c
  patch c is empty
  now at: c

now try it when a is unguarded, and we're at the top of the queue

  $ hg qapplied -v
  0 G a
  1 A b
  2 A c
  $ hg qsel block
  $ hg qpush b
  abort: cannot push to a previous patch: b
  [255]
  $ hg qpush a
  abort: cannot push to a previous patch: a