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local helpers = require('test.functional.helpers')(after_each)
local eq = helpers.eq
local neq = helpers.neq
local eval = helpers.eval
local clear = helpers.clear
local source = helpers.source
local exc_exec = helpers.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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