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local t = require('test.testutil')
local n = require('test.functional.testnvim')()
local eq = t.eq
local neq = t.neq
local eval = n.eval
local clear = n.clear
local source = n.source
local exc_exec = n.exc_exec
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()
source([[
function Compare1(a, b) abort
call sort(range(3), 'Compare2')
return a:a - a:b
endfunc
function Compare2(a, b) abort
return a:a - a:b
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(nil, exc_exec('call sort([3.3, 1, "2"], 3)'):find('E474:'))
end)
end)
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