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