--- a/tests/test-update-branches.t	Wed Nov 06 17:02:07 2013 -0600
+++ b/tests/test-update-branches.t	Wed Jan 15 16:41:18 2014 -0600
@@ -229,6 +229,14 @@
   $ hg bookmarks
    * bm                        5:ff252e8273df
 
+Test that 4 is detected as the no-argument destination from 3
+  $ hg up --quiet 0          # we should be able to update to 3 directly
+  $ hg up --quiet --hidden 3 # but not implemented yet.
+  $ hg up
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ hg id
+  d047485b3896+ (b1)
+
 Test that 5 is detected as a valid destination from 1
   $ hg up --quiet 0          # we should be able to update to 3 directly
   $ hg up --quiet --hidden 3 # but not implemented yet.
@@ -242,3 +250,14 @@
   abort: uncommitted changes
   (commit or update --clean to discard changes)
   [255]
+
+Test that we don't crash when updating from a pruned changeset (i.e. has no
+successors). Behavior should probably be that we update to the first
+non-obsolete parent but that will be decided later.
+  $ hg id --debug -r 2
+  bd10386d478cd5a9faf2e604114c8e6da62d3889
+  $ hg up --quiet 0
+  $ hg up --quiet 2
+  $ hg debugobsolete bd10386d478cd5a9faf2e604114c8e6da62d3889
+  $ hg up
+  0 files updated, 0 files merged, 0 files removed, 0 files unresolved