Merge remote-tracking branch 'upstream/master' into aucmd_textputpostaucmd_textputpost

1 files changed, 388 insertions, 99 deletions

diff --git a/test/functional/lua/vim_spec.lua b/test/functional/lua/vim_spec.lua
index 867f366d06..ebe5fc254e 100644
--- a/test/functional/lua/vim_spec.lua
+++ b/test/functional/lua/vim_spec.lua
@@ -6,10 +6,12 @@ local nvim_prog = helpers.nvim_prog
 local funcs = helpers.funcs
 local meths = helpers.meths
 local command = helpers.command
+local dedent = helpers.dedent
 local insert = helpers.insert
 local clear = helpers.clear
 local eq = helpers.eq
 local ok = helpers.ok
+local pesc = helpers.pesc
 local eval = helpers.eval
 local feed = helpers.feed
 local pcall_err = helpers.pcall_err
@@ -126,6 +128,22 @@ describe('lua stdlib', function()
     eq(1, funcs.luaeval('vim.stricmp("\\0C\\0", "\\0B\\0")'))
   end)
 
+  it('vim.deprecate', function()
+    -- vim.deprecate(name, alternative, version, plugin, backtrace)
+    eq(dedent[[
+      foo.bar() is deprecated, use zub.wooo{ok=yay} instead. :help deprecated
+      This feature will be removed in Nvim version 2.17]],
+      exec_lua('return vim.deprecate(...)', 'foo.bar()', 'zub.wooo{ok=yay}', '2.17'))
+    -- Same message, skipped.
+    eq(vim.NIL,
+      exec_lua('return vim.deprecate(...)', 'foo.bar()', 'zub.wooo{ok=yay}', '2.17'))
+    -- When `plugin` is specified, don't show ":help deprecated". #22235
+    eq(dedent[[
+      foo.bar() is deprecated, use zub.wooo{ok=yay} instead.
+      This feature will be removed in my-plugin.nvim version 0.3.0]],
+      exec_lua('return vim.deprecate(...)', 'foo.bar()', 'zub.wooo{ok=yay}', '0.3.0', 'my-plugin.nvim', false))
+  end)
+
   it('vim.startswith', function()
     eq(true, funcs.luaeval('vim.startswith("123", "1")'))
     eq(true, funcs.luaeval('vim.startswith("123", "")'))
@@ -259,7 +277,7 @@ describe('lua stdlib', function()
                                                                   |
     ]]}
 
-    -- nvim_command causes a vimL exception, check that it is properly caught
+    -- nvim_command causes a Vimscript exception, check that it is properly caught
     -- and propagated as an error message in async contexts.. #10809
     exec_lua([[
       vim.schedule(function()
@@ -275,51 +293,53 @@ describe('lua stdlib', function()
     ]]}
   end)
 
-  it("vim.split", function()
-    local split = function(str, sep, kwargs)
-      return exec_lua('return vim.split(...)', str, sep, kwargs)
-    end
-
+  it('vim.gsplit, vim.split', function()
     local tests = {
-      { "a,b", ",", false, false, { 'a', 'b' } },
-      { ":aa::bb:", ":", false, false, { '', 'aa', '', 'bb', '' } },
-      { ":aa::bb:", ":", false, true, { 'aa', '', 'bb' } },
-      { "::ee::ff:", ":", false, false, { '', '', 'ee', '', 'ff', '' } },
-      { "::ee::ff:", ":", false, true, { 'ee', '', 'ff' } },
-      { "ab", ".", false, false, { '', '', '' } },
-      { "a1b2c", "[0-9]", false, false, { 'a', 'b', 'c' } },
-      { "xy", "", false, false, { 'x', 'y' } },
-      { "here be dragons", " ", false, false, { "here", "be", "dragons"} },
-      { "axaby", "ab?", false, false, { '', 'x', 'y' } },
-      { "f v2v v3v w2w ", "([vw])2%1", false, false, { 'f ', ' v3v ', ' ' } },
-      { "", "", false, false, {} },
-      { "", "a", false, false, { '' } },
-      { "x*yz*oo*l", "*", true, false, { 'x', 'yz', 'oo', 'l' } },
+      --                            plain  trimempty
+      { 'a,b',             ',',     false, false, { 'a', 'b' } },
+      { ':aa::::bb:',      ':',     false, false, { '', 'aa', '', '', '', 'bb', '' } },
+      { ':aa::::bb:',      ':',     false, true,  { 'aa', '', '', '', 'bb' } },
+      { 'aa::::bb:',       ':',     false, true,  { 'aa', '', '', '', 'bb' } },
+      { ':aa::bb:',        ':',     false, true,  { 'aa', '', 'bb' } },
+      { '/a/b:/b/\n',      '[:\n]', false, true,  { '/a/b', '/b/' } },
+      { '::ee::ff:',       ':',     false, false, { '', '', 'ee', '', 'ff', '' } },
+      { '::ee::ff::',      ':',     false, true,  { 'ee', '', 'ff' } },
+      { 'ab',              '.',     false, false, { '', '', '' } },
+      { 'a1b2c',           '[0-9]', false, false, { 'a', 'b', 'c' } },
+      { 'xy',              '',      false, false, { 'x', 'y' } },
+      { 'here be dragons', ' ',     false, false, { 'here', 'be', 'dragons'} },
+      { 'axaby',           'ab?',   false, false, { '', 'x', 'y' } },
+      { 'f v2v v3v w2w ',  '([vw])2%1', false, false, { 'f ', ' v3v ', ' ' } },
+      { '',                '',      false, false, {} },
+      { '',                '',      false, true,  {} },
+      { '\n',              '[:\n]', false, true,  {} },
+      { '',                'a',     false, false, { '' } },
+      { 'x*yz*oo*l',       '*',     true,  false, { 'x', 'yz', 'oo', 'l' } },
     }
 
     for _, t in ipairs(tests) do
-      eq(t[5], split(t[1], t[2], {plain=t[3], trimempty=t[4]}))
+      eq(t[5], vim.split(t[1], t[2], {plain=t[3], trimempty=t[4]}), t[1])
     end
 
     -- Test old signature
-    eq({'x', 'yz', 'oo', 'l'}, split("x*yz*oo*l", "*", true))
+    eq({'x', 'yz', 'oo', 'l'}, vim.split("x*yz*oo*l", "*", true))
 
     local loops = {
       { "abc", ".-" },
     }
 
     for _, t in ipairs(loops) do
-      matches("Infinite loop detected", pcall_err(split, t[1], t[2]))
+      matches("Infinite loop detected", pcall_err(vim.split, t[1], t[2]))
     end
 
     -- Validates args.
-    eq(true, pcall(split, 'string', 'string'))
+    eq(true, pcall(vim.split, 'string', 'string'))
     matches('s: expected string, got number',
-      pcall_err(split, 1, 'string'))
+      pcall_err(vim.split, 1, 'string'))
     matches('sep: expected string, got number',
-      pcall_err(split, 'string', 1))
-    matches('kwargs: expected table, got number',
-      pcall_err(split, 'string', 'string', 1))
+      pcall_err(vim.split, 'string', 1))
+    matches('opts: expected table, got number',
+      pcall_err(vim.split, 'string', 'string', 1))
   end)
 
   it('vim.trim', function()
@@ -444,6 +464,22 @@ describe('lua stdlib', function()
       pcall_err(exec_lua, [[return vim.pesc(2)]]))
   end)
 
+  it('vim.list_contains', function()
+    eq(true, exec_lua("return vim.list_contains({'a','b','c'}, 'c')"))
+    eq(false, exec_lua("return vim.list_contains({'a','b','c'}, 'd')"))
+  end)
+
+  it('vim.tbl_contains', function()
+    eq(true, exec_lua("return vim.tbl_contains({'a','b','c'}, 'c')"))
+    eq(false, exec_lua("return vim.tbl_contains({'a','b','c'}, 'd')"))
+    eq(true, exec_lua("return vim.tbl_contains({[2]='a',foo='b',[5] = 'c'}, 'c')"))
+    eq(true, exec_lua([[
+        return vim.tbl_contains({ 'a', { 'b', 'c' } }, function(v)
+          return vim.deep_equal(v, { 'b', 'c' })
+        end, { predicate = true })
+    ]]))
+  end)
+
   it('vim.tbl_keys', function()
     eq({}, exec_lua("return vim.tbl_keys({})"))
     for _, v in pairs(exec_lua("return vim.tbl_keys({'a', 'b', 'c'})")) do
@@ -488,6 +524,19 @@ describe('lua stdlib', function()
     ]]))
   end)
 
+  it('vim.tbl_isarray', function()
+    eq(true, exec_lua("return vim.tbl_isarray({})"))
+    eq(false, exec_lua("return vim.tbl_isarray(vim.empty_dict())"))
+    eq(true, exec_lua("return vim.tbl_isarray({'a', 'b', 'c'})"))
+    eq(false, exec_lua("return vim.tbl_isarray({'a', '32', a='hello', b='baz'})"))
+    eq(false, exec_lua("return vim.tbl_isarray({1, a='hello', b='baz'})"))
+    eq(false, exec_lua("return vim.tbl_isarray({a='hello', b='baz', 1})"))
+    eq(false, exec_lua("return vim.tbl_isarray({1, 2, nil, a='hello'})"))
+    eq(true, exec_lua("return vim.tbl_isarray({1, 2, nil, 4})"))
+    eq(true, exec_lua("return vim.tbl_isarray({nil, 2, 3, 4})"))
+    eq(false, exec_lua("return vim.tbl_isarray({1, [1.5]=2, [3]=3})"))
+  end)
+
   it('vim.tbl_islist', function()
     eq(true, exec_lua("return vim.tbl_islist({})"))
     eq(false, exec_lua("return vim.tbl_islist(vim.empty_dict())"))
@@ -496,6 +545,9 @@ describe('lua stdlib', function()
     eq(false, exec_lua("return vim.tbl_islist({1, a='hello', b='baz'})"))
     eq(false, exec_lua("return vim.tbl_islist({a='hello', b='baz', 1})"))
     eq(false, exec_lua("return vim.tbl_islist({1, 2, nil, a='hello'})"))
+    eq(false, exec_lua("return vim.tbl_islist({1, 2, nil, 4})"))
+    eq(false, exec_lua("return vim.tbl_islist({nil, 2, 3, 4})"))
+    eq(false, exec_lua("return vim.tbl_islist({1, [1.5]=2, [3]=3})"))
   end)
 
   it('vim.tbl_isempty', function()
@@ -780,7 +832,7 @@ describe('lua stdlib', function()
   it('vim.call, vim.fn', function()
     eq(true, exec_lua([[return vim.call('sin', 0.0) == 0.0 ]]))
     eq(true, exec_lua([[return vim.fn.sin(0.0) == 0.0 ]]))
-    -- compat: nvim_call_function uses "special" value for vimL float
+    -- compat: nvim_call_function uses "special" value for Vimscript float
     eq(false, exec_lua([[return vim.api.nvim_call_function('sin', {0.0}) == 0.0 ]]))
 
     exec([[
@@ -831,7 +883,7 @@ describe('lua stdlib', function()
 
   it('vim.fn is allowed in "fast" context by some functions #18306', function()
     exec_lua([[
-      local timer = vim.loop.new_timer()
+      local timer = vim.uv.new_timer()
       timer:start(0, 0, function()
         timer:close()
         assert(vim.in_fast_event())
@@ -897,7 +949,7 @@ describe('lua stdlib', function()
     })
     screen:attach()
     exec_lua([[
-      timer = vim.loop.new_timer()
+      timer = vim.uv.new_timer()
       timer:start(20, 0, function ()
         -- notify ok (executed later when safe)
         vim.rpcnotify(chan, 'nvim_set_var', 'yy', {3, vim.NIL})
@@ -1440,14 +1492,68 @@ describe('lua stdlib', function()
     eq(NIL, funcs.luaeval "vim.v.null")
     matches([[attempt to index .* nil value]],
        pcall_err(exec_lua, 'return vim.v[0].progpath'))
+    eq('Key is read-only: count', pcall_err(exec_lua, [[vim.v.count = 42]]))
+    eq('Dictionary is locked', pcall_err(exec_lua, [[vim.v.nosuchvar = 42]]))
+    eq('Key is fixed: errmsg', pcall_err(exec_lua, [[vim.v.errmsg = nil]]))
+    exec_lua([[vim.v.errmsg = 'set by Lua']])
+    eq('set by Lua', eval('v:errmsg'))
+    exec_lua([[vim.v.errmsg = 42]])
+    eq('42', eval('v:errmsg'))
+    exec_lua([[vim.v.oldfiles = { 'one', 'two' }]])
+    eq({ 'one', 'two' }, eval('v:oldfiles'))
+    exec_lua([[vim.v.oldfiles = {}]])
+    eq({}, eval('v:oldfiles'))
+    eq('Setting v:oldfiles to value with wrong type', pcall_err(exec_lua, [[vim.v.oldfiles = 'a']]))
+    eq({}, eval('v:oldfiles'))
+
+    feed('i foo foo foo<Esc>0/foo<CR>')
+    eq({1, 1}, meths.win_get_cursor(0))
+    eq(1, eval('v:searchforward'))
+    feed('n')
+    eq({1, 5}, meths.win_get_cursor(0))
+    exec_lua([[vim.v.searchforward = 0]])
+    eq(0, eval('v:searchforward'))
+    feed('n')
+    eq({1, 1}, meths.win_get_cursor(0))
+    exec_lua([[vim.v.searchforward = 1]])
+    eq(1, eval('v:searchforward'))
+    feed('n')
+    eq({1, 5}, meths.win_get_cursor(0))
+
+    local screen = Screen.new(60, 3)
+    screen:set_default_attr_ids({
+      [0] = {bold = true, foreground = Screen.colors.Blue},
+      [1] = {background = Screen.colors.Yellow},
+    })
+    screen:attach()
+    eq(1, eval('v:hlsearch'))
+    screen:expect{grid=[[
+       {1:foo} {1:^foo} {1:foo}                                                |
+      {0:~                                                           }|
+                                                                  |
+    ]]}
+    exec_lua([[vim.v.hlsearch = 0]])
+    eq(0, eval('v:hlsearch'))
+    screen:expect{grid=[[
+       foo ^foo foo                                                |
+      {0:~                                                           }|
+                                                                  |
+    ]]}
+    exec_lua([[vim.v.hlsearch = 1]])
+    eq(1, eval('v:hlsearch'))
+    screen:expect{grid=[[
+       {1:foo} {1:^foo} {1:foo}                                                |
+      {0:~                                                           }|
+                                                                  |
+    ]]}
   end)
 
   it('vim.bo', function()
     eq('', funcs.luaeval "vim.bo.filetype")
     exec_lua [[
-    vim.api.nvim_buf_set_option(0, "filetype", "markdown")
+    vim.api.nvim_set_option_value("filetype", "markdown", {})
     BUF = vim.api.nvim_create_buf(false, true)
-    vim.api.nvim_buf_set_option(BUF, "modifiable", false)
+    vim.api.nvim_set_option_value("modifiable", false, {buf = BUF})
     ]]
     eq(false, funcs.luaeval "vim.bo.modified")
     eq('markdown', funcs.luaeval "vim.bo.filetype")
@@ -1458,9 +1564,9 @@ describe('lua stdlib', function()
     ]]
     eq('', funcs.luaeval "vim.bo.filetype")
     eq(true, funcs.luaeval "vim.bo[BUF].modifiable")
-    matches("no such option: 'nosuchopt'$",
+    matches("Unknown option 'nosuchopt'$",
        pcall_err(exec_lua, 'return vim.bo.nosuchopt'))
-    matches("Expected lua string$",
+    matches("Expected Lua string$",
        pcall_err(exec_lua, 'return vim.bo[0][0].autoread'))
     matches("Invalid buffer id: %-1$",
        pcall_err(exec_lua, 'return vim.bo[-1].filetype'))
@@ -1468,9 +1574,9 @@ describe('lua stdlib', function()
 
   it('vim.wo', function()
     exec_lua [[
-    vim.api.nvim_win_set_option(0, "cole", 2)
+    vim.api.nvim_set_option_value("cole", 2, {})
     vim.cmd "split"
-    vim.api.nvim_win_set_option(0, "cole", 2)
+    vim.api.nvim_set_option_value("cole", 2, {})
     ]]
     eq(2, funcs.luaeval "vim.wo.cole")
     exec_lua [[
@@ -1479,10 +1585,8 @@ describe('lua stdlib', function()
     eq(0, funcs.luaeval "vim.wo.cole")
     eq(0, funcs.luaeval "vim.wo[0].cole")
     eq(0, funcs.luaeval "vim.wo[1001].cole")
-    matches("no such option: 'notanopt'$",
+    matches("Unknown option 'notanopt'$",
        pcall_err(exec_lua, 'return vim.wo.notanopt'))
-    matches("Expected lua string$",
-       pcall_err(exec_lua, 'return vim.wo[0][0].list'))
     matches("Invalid window id: %-1$",
        pcall_err(exec_lua, 'return vim.wo[-1].list'))
     eq(2, funcs.luaeval "vim.wo[1000].cole")
@@ -1497,6 +1601,11 @@ describe('lua stdlib', function()
     eq(200, funcs.luaeval "vim.wo.scrolloff")
     exec_lua [[vim.wo.scrolloff = -1]]
     eq(100, funcs.luaeval "vim.wo.scrolloff")
+    exec_lua [[
+    vim.wo[0][0].scrolloff = 200
+    vim.cmd "enew"
+    ]]
+    eq(100, funcs.luaeval "vim.wo.scrolloff")
   end)
 
   describe('vim.opt', function()
@@ -1515,8 +1624,8 @@ describe('lua stdlib', function()
       local result = exec_lua [[
         local result = {}
 
-        table.insert(result, vim.api.nvim_get_option('scrolloff'))
-        table.insert(result, vim.api.nvim_win_get_option(0, 'scrolloff'))
+        table.insert(result, vim.api.nvim_get_option_value('scrolloff', {scope='global'}))
+        table.insert(result, vim.api.nvim_get_option_value('scrolloff', {win=0}))
 
         return result
       ]]
@@ -1580,20 +1689,20 @@ describe('lua stdlib', function()
         local result = {}
 
         vim.opt.makeprg = "global-local"
-        table.insert(result, vim.api.nvim_get_option('makeprg'))
-        table.insert(result, vim.api.nvim_buf_get_option(0, 'makeprg'))
+        table.insert(result, vim.go.makeprg)
+        table.insert(result, vim.api.nvim_get_option_value('makeprg', {buf=0}))
 
         vim.opt_local.mp = "only-local"
-        table.insert(result, vim.api.nvim_get_option('makeprg'))
-        table.insert(result, vim.api.nvim_buf_get_option(0, 'makeprg'))
+        table.insert(result, vim.go.makeprg)
+        table.insert(result, vim.api.nvim_get_option_value('makeprg', {buf=0}))
 
         vim.opt_global.makeprg = "only-global"
-        table.insert(result, vim.api.nvim_get_option('makeprg'))
-        table.insert(result, vim.api.nvim_buf_get_option(0, 'makeprg'))
+        table.insert(result, vim.go.makeprg)
+        table.insert(result, vim.api.nvim_get_option_value('makeprg', {buf=0}))
 
         vim.opt.makeprg = "global-local"
-        table.insert(result, vim.api.nvim_get_option('makeprg'))
-        table.insert(result, vim.api.nvim_buf_get_option(0, 'makeprg'))
+        table.insert(result, vim.go.makeprg)
+        table.insert(result, vim.api.nvim_get_option_value('makeprg', {buf=0}))
         return result
       ]]
 
@@ -2122,7 +2231,7 @@ describe('lua stdlib', function()
     it('can handle isfname ,,,', function()
       local result = exec_lua [[
         vim.opt.isfname = "a,b,,,c"
-        return { vim.opt.isfname:get(), vim.api.nvim_get_option('isfname') }
+        return { vim.opt.isfname:get(), vim.go.isfname }
       ]]
 
       eq({{",", "a", "b", "c"}, "a,b,,,c"}, result)
@@ -2132,7 +2241,7 @@ describe('lua stdlib', function()
     it('can handle isfname ,^,,', function()
       local result = exec_lua [[
         vim.opt.isfname = "a,b,^,,c"
-        return { vim.opt.isfname:get(), vim.api.nvim_get_option('isfname') }
+        return { vim.opt.isfname:get(), vim.go.isfname }
       ]]
 
       eq({{"^,", "a", "b", "c"}, "a,b,^,,c"}, result)
@@ -2203,8 +2312,8 @@ describe('lua stdlib', function()
     end)
   end) -- vim.opt
 
-  describe('opt_local', function()
-    it('should be able to append to an array list type option', function()
+  describe('vim.opt_local', function()
+    it('appends into global value when changing local option value', function()
       eq({ "foo,bar,baz,qux" }, exec_lua [[
         local result = {}
 
@@ -2219,6 +2328,19 @@ describe('lua stdlib', function()
     end)
   end)
 
+  describe('vim.opt_global', function()
+    it('gets current global option value', function()
+      eq({ "yes" }, exec_lua [[
+        local result = {}
+
+        vim.cmd "setglobal signcolumn=yes"
+        table.insert(result, vim.opt_global.signcolumn:get())
+
+        return result
+      ]])
+    end)
+  end)
+
   it('vim.cmd', function()
     exec_lua [[
     vim.cmd "autocmd BufNew * ++once lua BUF = vim.fn.expand('<abuf>')"
@@ -2269,17 +2391,36 @@ describe('lua stdlib', function()
 
   describe('vim.region', function()
     it('charwise', function()
-      insert(helpers.dedent( [[
+      insert(dedent( [[
       text tααt tααt text
       text tαxt txtα tex
       text tαxt tαxt
       ]]))
-      eq({5,15}, exec_lua[[ return vim.region(0,{1,5},{1,14},'v',true)[1] ]])
+      eq({5,13}, exec_lua[[ return vim.region(0,{0,5},{0,13},'v',false)[0] ]])
+      eq({5,15}, exec_lua[[ return vim.region(0,{0,5},{0,13},'v',true)[0] ]])
+      eq({5,15}, exec_lua[[ return vim.region(0,{0,5},{0,14},'v',true)[0] ]])
+      eq({5,15}, exec_lua[[ return vim.region(0,{0,5},{0,15},'v',false)[0] ]])
+      eq({5,17}, exec_lua[[ return vim.region(0,{0,5},{0,15},'v',true)[0] ]])
+      eq({5,17}, exec_lua[[ return vim.region(0,{0,5},{0,16},'v',true)[0] ]])
+      eq({5,17}, exec_lua[[ return vim.region(0,{0,5},{0,17},'v',false)[0] ]])
+      eq({5,18}, exec_lua[[ return vim.region(0,{0,5},{0,17},'v',true)[0] ]])
     end)
     it('blockwise', function()
       insert([[αα]])
       eq({0,5}, exec_lua[[ return vim.region(0,{0,0},{0,4},'3',true)[0] ]])
     end)
+    it('linewise', function()
+      insert(dedent( [[
+      text tααt tααt text
+      text tαxt txtα tex
+      text tαxt tαxt
+      ]]))
+      eq({0,-1}, exec_lua[[ return vim.region(0,{1,5},{1,14},'V',true)[1] ]])
+    end)
+    it('getpos() input', function()
+      insert('getpos')
+      eq({0,6}, exec_lua[[ return vim.region(0,{0,0},'.','v',true)[0] ]])
+    end)
   end)
 
   describe('vim.on_key', function()
@@ -2305,6 +2446,12 @@ describe('lua stdlib', function()
     end)
 
     it('allows removing on_key listeners', function()
+      -- Create some unused namespaces
+      meths.create_namespace('unused1')
+      meths.create_namespace('unused2')
+      meths.create_namespace('unused3')
+      meths.create_namespace('unused4')
+
       insert([[hello world]])
 
       exec_lua [[
@@ -2420,13 +2567,12 @@ describe('lua stdlib', function()
       ]])
     end)
 
-
     it('should not block other events', function()
       eq({time = true, wait_result = true}, exec_lua[[
         start_time = get_time()
 
         vim.g.timer_result = false
-        timer = vim.loop.new_timer()
+        timer = vim.uv.new_timer()
         timer:start(100, 0, vim.schedule_wrap(function()
           vim.g.timer_result = true
         end))
@@ -2448,7 +2594,7 @@ describe('lua stdlib', function()
         start_time = get_time()
 
         vim.g.timer_result = false
-        timer = vim.loop.new_timer()
+        timer = vim.uv.new_timer()
         timer:start(100, 0, vim.schedule_wrap(function()
           vim.g.timer_result = true
         end))
@@ -2462,6 +2608,7 @@ describe('lua stdlib', function()
         }
       ]])
     end)
+
     it('should work with vim.defer_fn', function()
       eq({time = true, wait_result = true}, exec_lua[[
         start_time = get_time()
@@ -2491,17 +2638,17 @@ describe('lua stdlib', function()
 
     it('should allow waiting with no callback, explicit', function()
       eq(true, exec_lua [[
-        local start_time = vim.loop.hrtime()
+        local start_time = vim.uv.hrtime()
         vim.wait(50, nil)
-        return vim.loop.hrtime() - start_time > 25000
+        return vim.uv.hrtime() - start_time > 25000
       ]])
     end)
 
     it('should allow waiting with no callback, implicit', function()
       eq(true, exec_lua [[
-        local start_time = vim.loop.hrtime()
+        local start_time = vim.uv.hrtime()
         vim.wait(50)
-        return vim.loop.hrtime() - start_time > 25000
+        return vim.uv.hrtime() - start_time > 25000
       ]])
     end)
 
@@ -2623,6 +2770,23 @@ describe('lua stdlib', function()
         eq({'notification', 'wait', {-2}}, next_msg(500))
       end)
     end)
+
+    it('should not run in fast callbacks #26122', function()
+      local screen = Screen.new(80, 10)
+      screen:attach()
+      exec_lua([[
+        local timer = vim.uv.new_timer()
+        timer:start(0, 0, function()
+          timer:close()
+          vim.wait(100, function() end)
+        end)
+      ]])
+      screen:expect({
+        any = pesc('E5560: vim.wait must not be called in a lua loop callback'),
+      })
+      feed('<CR>')
+      assert_alive()
+    end)
   end)
 
   it('vim.notify_once', function()
@@ -2679,14 +2843,14 @@ describe('lua stdlib', function()
 
   describe('vim.api.nvim_buf_call', function()
     it('can access buf options', function()
-      local buf1 = meths.get_current_buf()
+      local buf1 = meths.get_current_buf().id
       local buf2 = exec_lua [[
         buf2 = vim.api.nvim_create_buf(false, true)
         return buf2
       ]]
 
-      eq(false, meths.buf_get_option(buf1, 'autoindent'))
-      eq(false, meths.buf_get_option(buf2, 'autoindent'))
+      eq(false, meths.get_option_value('autoindent', {buf=buf1}))
+      eq(false, meths.get_option_value('autoindent', {buf=buf2}))
 
       local val = exec_lua [[
         return vim.api.nvim_buf_call(buf2, function()
@@ -2695,20 +2859,20 @@ describe('lua stdlib', function()
         end)
       ]]
 
-      eq(false, meths.buf_get_option(buf1, 'autoindent'))
-      eq(true, meths.buf_get_option(buf2, 'autoindent'))
-      eq(buf1, meths.get_current_buf())
+      eq(false, meths.get_option_value('autoindent', {buf=buf1}))
+      eq(true, meths.get_option_value('autoindent', {buf=buf2}))
+      eq(buf1, meths.get_current_buf().id)
       eq(buf2, val)
     end)
 
     it('does not cause ml_get errors with invalid visual selection', function()
       -- Should be fixed by vim-patch:8.2.4028.
       exec_lua [[
-        local a = vim.api
-        local t = function(s) return a.nvim_replace_termcodes(s, true, true, true) end
-        a.nvim_buf_set_lines(0, 0, -1, true, {"a", "b", "c"})
-        a.nvim_feedkeys(t "G<C-V>", "txn", false)
-        a.nvim_buf_call(a.nvim_create_buf(false, true), function() vim.cmd "redraw" end)
+        local api = vim.api
+        local t = function(s) return api.nvim_replace_termcodes(s, true, true, true) end
+        api.nvim_buf_set_lines(0, 0, -1, true, {"a", "b", "c"})
+        api.nvim_feedkeys(t "G<C-V>", "txn", false)
+        api.nvim_buf_call(api.nvim_create_buf(false, true), function() vim.cmd "redraw" end)
       ]]
     end)
 
@@ -2716,10 +2880,10 @@ describe('lua stdlib', function()
       eq(true, exec_lua([[
         local function scratch_buf_call(fn)
           local buf = vim.api.nvim_create_buf(false, true)
-          vim.api.nvim_buf_set_option(buf, 'cindent', true)
+          vim.api.nvim_set_option_value('cindent', true, {buf = buf})
           return vim.api.nvim_buf_call(buf, function()
             return vim.api.nvim_get_current_buf() == buf
-              and vim.api.nvim_buf_get_option(buf, 'cindent')
+              and vim.api.nvim_get_option_value('cindent', {buf = buf})
               and fn()
           end) and vim.api.nvim_buf_delete(buf, {}) == nil
         end
@@ -2756,7 +2920,7 @@ describe('lua stdlib', function()
   describe('vim.api.nvim_win_call', function()
     it('can access window options', function()
       command('vsplit')
-      local win1 = meths.get_current_win()
+      local win1 = meths.get_current_win().id
       command('wincmd w')
       local win2 = exec_lua [[
         win2 = vim.api.nvim_get_current_win()
@@ -2764,8 +2928,8 @@ describe('lua stdlib', function()
       ]]
       command('wincmd p')
 
-      eq('', meths.win_get_option(win1, 'winhighlight'))
-      eq('', meths.win_get_option(win2, 'winhighlight'))
+      eq('', meths.get_option_value('winhighlight', {win=win1}))
+      eq('', meths.get_option_value('winhighlight', {win=win2}))
 
       local val = exec_lua [[
         return vim.api.nvim_win_call(win2, function()
@@ -2774,38 +2938,38 @@ describe('lua stdlib', function()
         end)
       ]]
 
-      eq('', meths.win_get_option(win1, 'winhighlight'))
-      eq('Normal:Normal', meths.win_get_option(win2, 'winhighlight'))
-      eq(win1, meths.get_current_win())
+      eq('', meths.get_option_value('winhighlight', {win=win1}))
+      eq('Normal:Normal', meths.get_option_value('winhighlight', {win=win2}))
+      eq(win1, meths.get_current_win().id)
       eq(win2, val)
     end)
 
     it('does not cause ml_get errors with invalid visual selection', function()
       -- Add lines to the current buffer and make another window looking into an empty buffer.
       exec_lua [[
-        _G.a = vim.api
-        _G.t = function(s) return a.nvim_replace_termcodes(s, true, true, true) end
-        _G.win_lines = a.nvim_get_current_win()
+        _G.api = vim.api
+        _G.t = function(s) return api.nvim_replace_termcodes(s, true, true, true) end
+        _G.win_lines = api.nvim_get_current_win()
         vim.cmd "new"
-        _G.win_empty = a.nvim_get_current_win()
-        a.nvim_set_current_win(win_lines)
-        a.nvim_buf_set_lines(0, 0, -1, true, {"a", "b", "c"})
+        _G.win_empty = api.nvim_get_current_win()
+        api.nvim_set_current_win(win_lines)
+        api.nvim_buf_set_lines(0, 0, -1, true, {"a", "b", "c"})
       ]]
 
       -- Start Visual in current window, redraw in other window with fewer lines.
       -- Should be fixed by vim-patch:8.2.4018.
       exec_lua [[
-        a.nvim_feedkeys(t "G<C-V>", "txn", false)
-        a.nvim_win_call(win_empty, function() vim.cmd "redraw" end)
+        api.nvim_feedkeys(t "G<C-V>", "txn", false)
+        api.nvim_win_call(win_empty, function() vim.cmd "redraw" end)
       ]]
 
       -- Start Visual in current window, extend it in other window with more lines.
       -- Fixed for win_execute by vim-patch:8.2.4026, but nvim_win_call should also not be affected.
       exec_lua [[
-        a.nvim_feedkeys(t "<Esc>gg", "txn", false)
-        a.nvim_set_current_win(win_empty)
-        a.nvim_feedkeys(t "gg<C-V>", "txn", false)
-        a.nvim_win_call(win_lines, function() a.nvim_feedkeys(t "G<C-V>", "txn", false) end)
+        api.nvim_feedkeys(t "<Esc>gg", "txn", false)
+        api.nvim_set_current_win(win_empty)
+        api.nvim_feedkeys(t "gg<C-V>", "txn", false)
+        api.nvim_win_call(win_lines, function() api.nvim_feedkeys(t "G<C-V>", "txn", false) end)
         vim.cmd "redraw"
       ]]
     end)
@@ -2819,14 +2983,14 @@ describe('lua stdlib', function()
       }
       screen:attach()
       exec_lua [[
-        _G.a = vim.api
+        _G.api = vim.api
         vim.opt.ruler = true
         local lines = {}
         for i = 0, 499 do lines[#lines + 1] = tostring(i) end
-        a.nvim_buf_set_lines(0, 0, -1, true, lines)
-        a.nvim_win_set_cursor(0, {20, 0})
+        api.nvim_buf_set_lines(0, 0, -1, true, lines)
+        api.nvim_win_set_cursor(0, {20, 0})
         vim.cmd "split"
-        _G.win = a.nvim_get_current_win()
+        _G.win = api.nvim_get_current_win()
         vim.cmd "wincmd w | redraw"
       ]]
       screen:expect [[
@@ -2837,7 +3001,7 @@ describe('lua stdlib', function()
                                       |
       ]]
       exec_lua [[
-        a.nvim_win_call(win, function() a.nvim_win_set_cursor(0, {100, 0}) end)
+        api.nvim_win_call(win, function() api.nvim_win_set_cursor(0, {100, 0}) end)
         vim.cmd "redraw"
       ]]
       screen:expect [[
@@ -2898,8 +3062,133 @@ describe('lua stdlib', function()
         return a
       ]])
     end)
+
+    it('accepts the key name', function()
+      eq({ b = 'b', c = 'c' }, exec_lua [[
+        local a = vim.defaulttable(function(k) return k end)
+        local _ = a.b
+        local _ = a.c
+        return a
+      ]])
+    end)
   end)
 
+  it('vim.lua_omnifunc', function()
+    local screen = Screen.new(60,5)
+    screen:set_default_attr_ids {
+      [1] = {foreground = Screen.colors.Blue1, bold = true};
+      [2] = {background = Screen.colors.WebGray};
+      [3] = {background = Screen.colors.LightMagenta};
+      [4] = {bold = true};
+      [5] = {foreground = Screen.colors.SeaGreen, bold = true};
+    }
+    screen:attach()
+    command [[ set omnifunc=v:lua.vim.lua_omnifunc ]]
+
+    -- Note: the implementation is shared with lua command line completion.
+    -- More tests for completion in lua/command_line_completion_spec.lua
+    feed [[ivim.insp<c-x><c-o>]]
+    screen:expect{grid=[[
+      vim.inspect^                                                 |
+      {1:~  }{2: inspect        }{1:                                         }|
+      {1:~  }{3: inspect_pos    }{1:                                         }|
+      {1:~                                                           }|
+      {4:-- Omni completion (^O^N^P) }{5:match 1 of 2}                    |
+    ]]}
+  end)
+
+  it('vim.print', function()
+    -- vim.print() returns its args.
+    eq({42, 'abc', { a = { b = 77 }}},
+      exec_lua[[return {vim.print(42, 'abc', { a = { b = 77 }})}]])
+
+    -- vim.print() pretty-prints the args.
+    eq(dedent[[
+
+      42
+      abc
+      {
+        a = {
+          b = 77
+        }
+      }]],
+      eval[[execute('lua vim.print(42, "abc", { a = { b = 77 }})')]])
+  end)
+
+  it('vim.F.if_nil', function()
+    local function if_nil(...)
+      return exec_lua([[
+        local args = {...}
+        local nargs = select('#', ...)
+        for i = 1, nargs do
+          if args[i] == vim.NIL then
+            args[i] = nil
+          end
+        end
+        return vim.F.if_nil(unpack(args, 1, nargs))
+      ]], ...)
+    end
+
+    local a = NIL
+    local b = NIL
+    local c = 42
+    local d = false
+    eq(42, if_nil(a, c))
+    eq(false, if_nil(d, b))
+    eq(42, if_nil(a, b, c, d))
+    eq(false, if_nil(d))
+    eq(false, if_nil(d, c))
+    eq(NIL, if_nil(a))
+  end)
+
+  it('lpeg', function()
+    eq(5, exec_lua [[
+      local m = vim.lpeg
+      return m.match(m.R'09'^1, '4504ab')
+    ]])
+
+    eq(4, exec_lua [[ return vim.re.match("abcde", '[a-c]+') ]])
+  end)
+
+  it("vim.ringbuf", function()
+    local results = exec_lua([[
+      local ringbuf = vim.ringbuf(3)
+      ringbuf:push("a") -- idx: 0
+      local peeka1 = ringbuf:peek()
+      local peeka2 = ringbuf:peek()
+      local popa = ringbuf:pop()
+      local popnil = ringbuf:pop()
+      ringbuf:push("a") -- idx: 1
+      ringbuf:push("b") -- idx: 2
+
+      -- doesn't read last added item, but uses separate read index
+      local pop_after_add_b = ringbuf:pop()
+
+      ringbuf:push("c") -- idx: 3 wraps around, overrides idx: 0 "a"
+      ringbuf:push("d") -- idx: 4 wraps around, overrides idx: 1 "a"
+      return {
+        peeka1 = peeka1,
+        peeka2 = peeka2,
+        pop1 = popa,
+        pop2 = popnil,
+        pop3 = ringbuf:pop(),
+        pop4 = ringbuf:pop(),
+        pop5 = ringbuf:pop(),
+        pop_after_add_b = pop_after_add_b,
+      }
+    ]])
+    local expected = {
+      peeka1 = "a",
+      peeka2 = "a",
+      pop1 = "a",
+      pop2 = nil,
+      pop3 = "b",
+      pop4 = "c",
+      pop5 = "d",
+      pop_after_add_b = "a",
+    }
+    eq(expected, results)
+  end)
 end)
 
 describe('lua: builtin modules', function()