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patch 8.2.1081: Lua: cannot use table.insert() and table.remove()

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Problem:    Lua: cannot use table.insert() and table.remove().
Solution:   Add the list functions. (Prabir Shrestha, closes #6353)
This commit is contained in:
Bram Moolenaar
2020-06-28 22:41:26 +02:00
parent b7a78f7a67
commit a1f9f8666e
4 changed files with 64 additions and 11 deletions
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26
src/testdir/test_lua.vim
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@@ -353,6 +353,32 @@ func Test_lua_list_table()
call assert_fails('lua vim.list(true)', '[string "vim chunk"]:1: table expected, got boolean')
endfunc
func Test_lua_list_table_insert_remove()
let luaver = split(split(luaeval('_VERSION'), ' ')[1], '\.')
let major = str2nr(luaver[0])
let minor = str2nr(luaver[1])
if major < 5 || (major == 5 && minor < 3)
throw 'Skipped: Lua version < 5.3'
endif
let l = [1, 2]
lua t = vim.eval('l')
lua table.insert(t, 10)
lua t[#t + 1] = 20
lua table.insert(t, 2, 30)
call assert_equal(l, [1, 30, 2, 10, 20])
lua table.remove(t, 2)
call assert_equal(l, [1, 2, 10, 20])
lua t[3] = nil
call assert_equal(l, [1, 2, 20])
lua removed_value = table.remove(t, 3)
call assert_equal(luaeval('removed_value'), 20)
lua t = nil
lua removed_value = nil
unlet l
endfunc
" Test l() i.e. iterator on list
func Test_lua_list_iter()
lua l = vim.list():add('foo'):add('bar')