neovim/test/functional/legacy/function_sort_spec.lua
ZyX ff470bb853 functests: Check logs in lua code
It is otherwise impossible to determine which test failed sanitizer/valgrind
check. test/functional/helpers.lua module return was changed so that tests which
do not provide after_each function to get new check will automatically fail.
2016-06-10 21:50:49 +03:00

54 lines
1.8 KiB
Lua

local helpers = require('test.functional.helpers')(after_each)
local clear = helpers.clear
local eq = helpers.eq
local eval = helpers.eval
local execute = helpers.execute
local exc_exec = helpers.exc_exec
local neq = helpers.neq
describe('sort', function()
before_each(clear)
it('numbers compared as strings', function()
eq({1, 2, 3}, eval('sort([3, 2, 1])'))
eq({13, 28, 3}, eval('sort([3, 28, 13])'))
end)
it('numbers compared as numeric', function()
eq({1, 2, 3}, eval("sort([3, 2, 1], 'n')"))
eq({3, 13, 28}, eval("sort([3, 28, 13], 'n')"))
-- Strings are not sorted.
eq({'13', '28', '3'}, eval("sort(['13', '28', '3'], 'n')"))
end)
it('numbers compared as numbers', function()
eq({3, 13, 28}, eval("sort([13, 28, 3], 'N')"))
eq({'3', '13', '28'}, eval("sort(['13', '28', '3'], 'N')"))
end)
it('numbers compared as float', function()
eq({0.28, 3, 13.5}, eval("sort([13.5, 0.28, 3], 'f')"))
end)
it('ability to call sort() from a compare function', function()
execute('func Compare1(a, b) abort')
execute([[call sort(range(3), 'Compare2')]])
execute('return a:a - a:b')
execute('endfunc')
execute('func Compare2(a, b) abort')
execute('return a:a - a:b')
execute('endfunc')
eq({1, 3, 5}, eval("sort([3, 1, 5], 'Compare1')"))
end)
it('default sort', function()
-- docs say omitted, empty or zero argument sorts on string representation
eq({'2', 'A', 'AA', 'a', 1, 3.3}, eval('sort([3.3, 1, "2", "A", "a", "AA"])'))
eq({'2', 'A', 'AA', 'a', 1, 3.3}, eval([[sort([3.3, 1, "2", "A", "a", "AA"], '')]]))
eq({'2', 'A', 'AA', 'a', 1, 3.3}, eval('sort([3.3, 1, "2", "A", "a", "AA"], 0)'))
eq({'2', 'A', 'a', 'AA', 1, 3.3}, eval('sort([3.3, 1, "2", "A", "a", "AA"], 1)'))
neq(exc_exec('call sort([3.3, 1, "2"], 3)'):find('E474:'), nil)
end)
end)