1 files changed, 61 insertions, 0 deletions
diff --git a/src/nvim/testdir/test_undo.vim b/src/nvim/testdir/test_undo.vim
index fc61d1f223..171618f6f7 100644
--- a/src/nvim/testdir/test_undo.vim
+++ b/src/nvim/testdir/test_undo.vim
@@ -131,6 +131,39 @@ func Test_undo_del_chars()
   close!
 endfunc
 
+func Test_undolist()
+  new
+  set ul=100
+
+  let a=execute('undolist')
+  call assert_equal("\nNothing to undo", a)
+
+  " 1 leaf (2 changes).
+  call feedkeys('achange1', 'xt')
+  call feedkeys('achange2', 'xt')
+  let a=execute('undolist')
+  call assert_match("^\nnumber changes  when  *saved\n *2  *2 .*$", a)
+
+  " 2 leaves.
+  call feedkeys('u', 'xt')
+  call feedkeys('achange3\<Esc>', 'xt')
+  let a=execute('undolist')
+  call assert_match("^\nnumber changes  when  *saved\n *2  *2  *.*\n *3  *2 .*$", a)
+  close!
+endfunc
+
+func Test_U_command()
+  new
+  set ul=100
+  call feedkeys("achange1\<Esc>", 'xt')
+  call feedkeys("achange2\<Esc>", 'xt')
+  norm! U
+  call assert_equal('', getline(1))
+  norm! U
+  call assert_equal('change1change2', getline(1))
+  close!
+endfunc
+
 func Test_undojoin()
   new
   call feedkeys("Goaaaa\<Esc>", 'xt')
@@ -204,3 +237,31 @@ func Test_insert_expr()
 
   close!
 endfunc
+
+func Test_undofile_earlier()
+  throw 'skipped: Nvim does not support test_settime()'
+
+  let t0 = localtime() - 43200
+  call test_settime(t0)
+  new Xfile
+  call feedkeys("ione\<Esc>", 'xt')
+  set ul=100
+  call test_settime(t0 + 1)
+  call feedkeys("otwo\<Esc>", 'xt')
+  set ul=100
+  call test_settime(t0 + 2)
+  call feedkeys("othree\<Esc>", 'xt')
+  set ul=100
+  w
+  wundo Xundofile
+  bwipe!
+  " restore normal timestamps.
+  call test_settime(0)
+  new Xfile
+  rundo Xundofile
+  earlier 1d
+  call assert_equal('', getline(1))
+  bwipe!
+  call delete('Xfile')
+  call delete('Xundofile')
+endfunc