--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-mq-safety.t	Sun Aug 15 22:44:15 2010 +0900
@@ -0,0 +1,106 @@
+  $ echo '[extensions]' >> $HGRCPATH
+  $ echo 'mq =' >> $HGRCPATH
+
+  $ hg init repo
+  $ cd repo
+
+  $ echo foo > foo
+  $ hg ci -qAm 'add a file'
+
+  $ hg qinit
+
+  $ hg qnew foo
+  $ echo foo >> foo
+  $ hg qrefresh -m 'append foo'
+
+  $ hg qnew bar
+  $ echo bar >> foo
+  $ hg qrefresh -m 'append bar'
+
+
+try to commit on top of a patch
+
+  $ echo quux >> foo
+  $ hg ci -m 'append quux'
+  abort: cannot commit over an applied mq patch
+
+
+cheat a bit...
+
+  $ mv .hg/patches .hg/patches2
+  $ hg ci -m 'append quux'
+  $ mv .hg/patches2 .hg/patches
+
+
+qpop/qrefresh on the wrong revision
+
+  $ hg qpop
+  abort: popping would remove a revision not managed by this patch queue
+  $ hg qpop -n patches 2>&1 | sed -e 's/\(using patch queue:\).*/\1/'
+  using patch queue:
+  abort: popping would remove a revision not managed by this patch queue
+  $ hg qrefresh
+  abort: working directory revision is not qtip
+
+  $ hg up -C qtip
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg qpop
+  abort: popping would remove a revision not managed by this patch queue
+  $ hg qrefresh
+  abort: cannot refresh a revision with children
+  $ hg tip --template '{rev} {desc}\n'
+  3 append quux
+
+
+qpush warning branchheads
+
+  $ cd ..
+  $ hg init branchy
+  $ cd branchy
+  $ echo q > q
+  $ hg add q
+  $ hg qnew -f qp
+  $ hg qpop
+  popping qp
+  patch queue now empty
+  $ echo a > a
+  $ hg ci -Ama
+  adding a
+  $ hg up null
+  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  $ hg branch b
+  marked working directory as branch b
+  $ echo c > c
+  $ hg ci -Amc
+  adding c
+  $ hg merge default
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  (branch merge, don't forget to commit)
+  $ hg ci -mmerge
+  $ hg up default
+  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  $ hg log
+  changeset:   2:65309210bf4e
+  branch:      b
+  tag:         tip
+  parent:      1:707adb4c8ae1
+  parent:      0:cb9a9f314b8b
+  user:        test
+  date:        Thu Jan 01 00:00:00 1970 +0000
+  summary:     merge
+  
+  changeset:   1:707adb4c8ae1
+  branch:      b
+  parent:      -1:000000000000
+  user:        test
+  date:        Thu Jan 01 00:00:00 1970 +0000
+  summary:     c
+  
+  changeset:   0:cb9a9f314b8b
+  user:        test
+  date:        Thu Jan 01 00:00:00 1970 +0000
+  summary:     a
+  
+  $ hg qpush
+  applying qp
+  now at: qp