diff --git a/src/testdir/test_bufwintabinfo.vim b/src/testdir/test_bufwintabinfo.vim
index ee22ebd..b4b8a10 100644
--- a/src/testdir/test_bufwintabinfo.vim
+++ b/src/testdir/test_bufwintabinfo.vim
@@ -139,3 +139,15 @@
     set foldlevel=0
   endif
 endfunc
+
+function Test_getbufinfo_lastused()
+  call test_settime(1234567)
+  edit Xtestfile1
+  enew
+  call test_settime(7654321)
+  edit Xtestfile2
+  enew
+  call assert_equal(getbufinfo('Xtestfile1')[0].lastused, 1234567)
+  call assert_equal(getbufinfo('Xtestfile2')[0].lastused, 7654321)
+  call test_settime(0)
+endfunc
diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index 55f35e7..57dff41 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -767,3 +767,48 @@
   endtry
   bw!
 endfunc
+
+func Test_buffers_lastused()
+  " check that buffers are sorted by time when wildmode has lastused
+  call test_settime(1550020000)	  " middle
+  edit bufa
+  enew
+  call test_settime(1550030000)	  " newest
+  edit bufb
+  enew
+  call test_settime(1550010000)	  " oldest
+  edit bufc
+  enew
+  call test_settime(0)
+  enew
+
+  call assert_equal(['bufa', 'bufb', 'bufc'],
+	\ getcompletion('', 'buffer'))
+
+  let save_wildmode = &wildmode
+  set wildmode=full:lastused
+
+  let cap = "\<c-r>=execute('let X=getcmdline()')\<cr>"
+  call feedkeys(":b \<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufb', X)
+  call feedkeys(":b \<tab>\<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufa', X)
+  call feedkeys(":b \<tab>\<tab>\<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufc', X)
+  enew
+
+  edit other
+  call feedkeys(":b \<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufb', X)
+  call feedkeys(":b \<tab>\<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufa', X)
+  call feedkeys(":b \<tab>\<tab>\<tab>" .. cap .. "\<esc>", 'xt')
+  call assert_equal('b bufc', X)
+  enew
+
+  let &wildmode = save_wildmode
+
+  bwipeout bufa
+  bwipeout bufb
+  bwipeout bufc
+endfunc
diff --git a/src/testdir/test_excmd.vim b/src/testdir/test_excmd.vim
index 509d78d..992fc3d 100644
--- a/src/testdir/test_excmd.vim
+++ b/src/testdir/test_excmd.vim
@@ -19,3 +19,28 @@
   normal vv
   call assert_fails(":'<,'>echo 1", 'E481:')
 endfunc
+
+func Test_buffers_lastused()
+  call test_settime(localtime() - 2000) " middle
+  edit bufa
+  enew
+  call test_settime(localtime() - 10)   " newest
+  edit bufb
+  enew
+  call test_settime(1550010000)	        " oldest
+  edit bufc
+  enew
+  call test_settime(0)
+  enew
+
+  let ls = split(execute('buffers t', 'silent!'), '\n')
+  let bufs = ls->map({i,v->split(v, '"\s*')[1:2]})
+  call assert_equal(['bufb', 'bufa', 'bufc'], bufs[1:]->map({i,v->v[0]}))
+  call assert_match('1[0-3] seconds ago', bufs[1][1])
+  call assert_match('\d\d:\d\d:\d\d', bufs[2][1])
+  call assert_match('2019/02/1\d \d\d:\d\d:00', bufs[3][1])
+
+  bwipeout bufa
+  bwipeout bufb
+  bwipeout bufc
+endfunc