neovim/test/functional/eval/uniq_spec.lua
2018-04-22 20:32:25 +03:00

32 lines
937 B
Lua

local helpers = require('test.functional.helpers')(after_each)
local eq = helpers.eq
local clear = helpers.clear
local meths = helpers.meths
local command = helpers.command
local exc_exec = helpers.exc_exec
local redir_exec = helpers.redir_exec
before_each(clear)
describe('uniq()', function()
it('errors out when processing special values', function()
eq('Vim(call):E907: Using a special value as a Float',
exc_exec('call uniq([v:true, v:false], "f")'))
end)
it('can yield E882 and stop filtering after that', function()
command([[
function Cmp(a, b)
if type(a:a) == type([]) || type(a:b) == type([])
return []
endif
return (a:a > a:b) - (a:a < a:b)
endfunction
]])
eq('\nE745: Using a List as a Number\nE882: Uniq compare function failed',
redir_exec('let fl = uniq([0, 0, [], 1, 1], "Cmp")'))
eq({0, {}, 1, 1}, meths.get_var('fl'))
end)
end)