test: Lua 5.2/5.3 compat #9280

Make the code run both on Lua 5.1 (which is the default for Neovim, and
is what LuaJIT provides) and Lua 5.2+.

10 files changed, 10 insertions, 0 deletions

diff --git a/test/functional/api/server_requests_spec.lua b/test/functional/api/server_requests_spec.lua
index 4d25ba0819..8de71a56e9 100644
--- a/test/functional/api/server_requests_spec.lua
+++ b/test/functional/api/server_requests_spec.lua
@@ -2,6 +2,7 @@
 -- `rpcrequest` calls we need the client event loop to be running.
 local helpers = require('test.functional.helpers')(after_each)
 local Paths = require('test.config.paths')
+local unpack = table.unpack or unpack -- luacheck: ignore
 
 local clear, nvim, eval = helpers.clear, helpers.nvim, helpers.eval
 local eq, neq, run, stop = helpers.eq, helpers.neq, helpers.run, helpers.stop
diff --git a/test/functional/api/tabpage_spec.lua b/test/functional/api/tabpage_spec.lua
index c49091db02..584bca7111 100644
--- a/test/functional/api/tabpage_spec.lua
+++ b/test/functional/api/tabpage_spec.lua
@@ -8,6 +8,7 @@ local request = helpers.request
 local NIL = helpers.NIL
 local meth_pcall = helpers.meth_pcall
 local command = helpers.command
+local unpack = table.unpack or unpack -- luacheck: ignore
 
 describe('api/tabpage', function()
   before_each(clear)
diff --git a/test/functional/api/window_spec.lua b/test/functional/api/window_spec.lua
index 4496e1f644..273991951c 100644
--- a/test/functional/api/window_spec.lua
+++ b/test/functional/api/window_spec.lua
@@ -12,6 +12,7 @@ local meth_pcall = helpers.meth_pcall
 local meths = helpers.meths
 local command = helpers.command
 local expect_err = helpers.expect_err
+local unpack = table.unpack or unpack -- luacheck: ignore
 
 -- check if str is visible at the beginning of some line
 local function is_visible(str)
diff --git a/test/functional/eval/function_spec.lua b/test/functional/eval/function_spec.lua
index 776e760aaf..1a86576fde 100644
--- a/test/functional/eval/function_spec.lua
+++ b/test/functional/eval/function_spec.lua
@@ -1,4 +1,5 @@
 local helpers = require('test.functional.helpers')(after_each)
+local unpack = table.unpack or unpack -- luacheck: ignore
 
 local clear = helpers.clear
 local eq = helpers.eq
diff --git a/test/functional/eval/server_spec.lua b/test/functional/eval/server_spec.lua
index 563e619b39..8a0831bba1 100644
--- a/test/functional/eval/server_spec.lua
+++ b/test/functional/eval/server_spec.lua
@@ -6,6 +6,7 @@ local iswin = helpers.iswin
 local ok = helpers.ok
 local matches = helpers.matches
 local expect_err = helpers.expect_err
+local unpack = table.unpack or unpack -- luacheck: ignore
 
 local function clear_serverlist()
   for _, server in pairs(funcs.serverlist()) do
diff --git a/test/functional/ex_cmds/dict_notifications_spec.lua b/test/functional/ex_cmds/dict_notifications_spec.lua
index 3d550588e7..f5920c3d11 100644
--- a/test/functional/ex_cmds/dict_notifications_spec.lua
+++ b/test/functional/ex_cmds/dict_notifications_spec.lua
@@ -4,6 +4,7 @@ local eq, next_msg = helpers.eq, helpers.next_msg
 local exc_exec = helpers.exc_exec
 local command = helpers.command
 local eval = helpers.eval
+local unpack = table.unpack or unpack -- luacheck: ignore
 
 
 describe('dictionary change notifications', function()
diff --git a/test/functional/helpers.lua b/test/functional/helpers.lua
index a94e977cd0..7921cc05bf 100644
--- a/test/functional/helpers.lua
+++ b/test/functional/helpers.lua
@@ -2,6 +2,7 @@ require('coxpcall')
 local luv = require('luv')
 local lfs = require('lfs')
 local global_helpers = require('test.helpers')
+local unpack = table.unpack or unpack -- luacheck: ignore
 
 -- nvim client: Found in .deps/usr/share/lua/<version>/nvim/ if "bundled".
 local Session = require('nvim.session')
diff --git a/test/functional/legacy/autocmd_option_spec.lua b/test/functional/legacy/autocmd_option_spec.lua
index 0c7e43bf31..de0e32c813 100644
--- a/test/functional/legacy/autocmd_option_spec.lua
+++ b/test/functional/legacy/autocmd_option_spec.lua
@@ -5,6 +5,7 @@ local curbuf, buf = helpers.curbuf, helpers.bufmeths
 local curwin = helpers.curwin
 local redir_exec = helpers.redir_exec
 local source, command = helpers.source, helpers.command
+local unpack = table.unpack or unpack -- luacheck: ignore
 
 local function declare_hook_function()
   source([[
diff --git a/test/functional/ui/screen.lua b/test/functional/ui/screen.lua
index 75eb5bb4e3..32a8e69511 100644
--- a/test/functional/ui/screen.lua
+++ b/test/functional/ui/screen.lua
@@ -78,6 +78,7 @@ local helpers = require('test.functional.helpers')(nil)
 local request, run, uimeths = helpers.request, helpers.run, helpers.uimeths
 local eq = helpers.eq
 local dedent = helpers.dedent
+local unpack = table.unpack or unpack -- luacheck: ignore
 
 local inspect = require('inspect')
 
diff --git a/test/functional/ui/tabline_spec.lua b/test/functional/ui/tabline_spec.lua
index dcab9f7ef4..ac56a7c03f 100644
--- a/test/functional/ui/tabline_spec.lua
+++ b/test/functional/ui/tabline_spec.lua
@@ -1,6 +1,7 @@
 local helpers = require('test.functional.helpers')(after_each)
 local Screen = require('test.functional.ui.screen')
 local clear, command, eq = helpers.clear, helpers.command, helpers.eq
+local unpack = table.unpack or unpack -- luacheck: ignore
 
 describe('ui/ext_tabline', function()
   local screen