1 files changed, 47 insertions, 14 deletions

diff --git a/test/functional/ex_cmds/oldfiles_spec.lua b/test/functional/ex_cmds/oldfiles_spec.lua
index a161e49fc6..4002855c24 100644
--- a/test/functional/ex_cmds/oldfiles_spec.lua
+++ b/test/functional/ex_cmds/oldfiles_spec.lua
@@ -1,16 +1,18 @@
 local Screen = require('test.functional.ui.screen')
 local helpers = require('test.functional.helpers')(after_each)
 
-local buf, eq, execute = helpers.curbufmeths, helpers.eq, helpers.execute
+local buf, eq, feed_command = helpers.curbufmeths, helpers.eq, helpers.feed_command
 local feed, nvim_prog, wait = helpers.feed, helpers.nvim_prog, helpers.wait
 local ok, set_session, spawn = helpers.ok, helpers.set_session, helpers.spawn
+local eval = helpers.eval
 
-local shada_file = 'test.shada'
+local shada_file = 'Xtest.shada'
 
 local function _clear()
-  set_session(spawn({nvim_prog, '--embed', '-u', 'NONE', '--cmd',
+  set_session(spawn({nvim_prog, '--embed', '-u', 'NONE',
                      -- Need shada for these tests.
-                     'set noswapfile undodir=. directory=. viewdir=. backupdir=. belloff= noshowcmd noruler'}))
+                     '-i', shada_file,
+                     '--cmd', 'set noswapfile undodir=. directory=. viewdir=. backupdir=. belloff= noshowcmd noruler'}))
 end
 
 describe(':oldfiles', function()
@@ -27,12 +29,12 @@ describe(':oldfiles', function()
   it('shows most recently used files', function()
     local screen = Screen.new(100, 5)
     screen:attach()
-    execute('edit testfile1')
-    execute('edit testfile2')
-    execute('wshada ' .. shada_file)
-    execute('rshada! ' .. shada_file)
+    feed_command('edit testfile1')
+    feed_command('edit testfile2')
+    feed_command('wshada')
+    feed_command('rshada!')
     local oldfiles = helpers.meths.get_vvar('oldfiles')
-    execute('oldfiles')
+    feed_command('oldfiles')
     screen:expect([[
       testfile2                                                                                           |
       1: ]].. add_padding(oldfiles[1]) ..[[ |
@@ -41,6 +43,38 @@ describe(':oldfiles', function()
       Press ENTER or type command to continue^                                                             |
     ]])
   end)
+
+  it('can be filtered with :filter', function()
+    feed_command('edit file_one.txt')
+    local file1 = buf.get_name()
+    feed_command('edit file_two.txt')
+    local file2 = buf.get_name()
+    feed_command('edit another.txt')
+    local another = buf.get_name()
+    feed_command('wshada')
+    feed_command('rshada!')
+
+    local function get_oldfiles(cmd)
+      local t = eval([[split(execute(']]..cmd..[['), "\n")]])
+      for i, _ in ipairs(t) do
+        t[i] = t[i]:gsub('^%d+:%s+', '')
+      end
+      table.sort(t)
+      return t
+    end
+
+    local oldfiles = get_oldfiles('oldfiles')
+    eq({another, file1, file2}, oldfiles)
+
+    oldfiles = get_oldfiles('filter file_ oldfiles')
+    eq({file1, file2}, oldfiles)
+
+    oldfiles = get_oldfiles('filter /another/ oldfiles')
+    eq({another}, oldfiles)
+
+    oldfiles = get_oldfiles('filter! file_ oldfiles')
+    eq({another}, oldfiles)
+  end)
 end)
 
 describe(':browse oldfiles', function()
@@ -50,14 +84,13 @@ describe(':browse oldfiles', function()
 
   before_each(function()
     _clear()
-    execute('edit testfile1')
+    feed_command('edit testfile1')
     filename = buf.get_name()
-    execute('edit testfile2')
+    feed_command('edit testfile2')
     filename2 = buf.get_name()
-    execute('wshada ' .. shada_file)
+    feed_command('wshada')
     wait()
     _clear()
-    execute('rshada! ' .. shada_file)
 
     -- Ensure nvim is out of "Press ENTER..." prompt.
     feed('<cr>')
@@ -70,7 +103,7 @@ describe(':browse oldfiles', function()
     ok(filename == oldfiles[1] or filename == oldfiles[2])
     ok(filename2 == oldfiles[1] or filename2 == oldfiles[2])
 
-    execute('browse oldfiles')
+    feed_command('browse oldfiles')
   end)
 
   after_each(function()