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f8d574225b
I failed to deduce why analyzer thinks E882 may not be triggered, though conditions for triggering it are strange: it would trigger E882 only in the single case “function returned non-number”. Cases “function thrown exception”, or “built-in sorter encountered error” will neither yield E882 nor stop sort()/uniq(). Note though that searching test code revealed that neither E702 nor E882 are not tested anywhere.
57 lines
1.8 KiB
Lua
57 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 NIL = helpers.NIL
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local eval = helpers.eval
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local clear = helpers.clear
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local meths = helpers.meths
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local funcs = helpers.funcs
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local command = helpers.command
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local exc_exec = helpers.exc_exec
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local redir_exec = helpers.redir_exec
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before_each(clear)
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describe('sort()', function()
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it('errors out when sorting special values', function()
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eq('Vim(call):E907: Using a special value as a Float',
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exc_exec('call sort([v:true, v:false], "f")'))
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end)
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it('sorts “wrong” values between -0.0001 and 0.0001, preserving order',
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function()
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meths.set_var('list', {true, false, NIL, {}, {a=42}, 'check',
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0.0001, -0.0001})
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command('call insert(g:list, function("tr"))')
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local error_lines = funcs.split(
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funcs.execute('silent! call sort(g:list, "f")'), '\n')
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local errors = {}
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for _, err in ipairs(error_lines) do
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errors[err] = true
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end
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eq({
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['E891: Using a Funcref as a Float']=true,
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['E892: Using a String as a Float']=true,
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['E893: Using a List as a Float']=true,
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['E894: Using a Dictionary as a Float']=true,
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['E907: Using a special value as a Float']=true,
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}, errors)
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eq('[-1.0e-4, function(\'tr\'), v:true, v:false, v:null, [], {\'a\': 42}, \'check\', 1.0e-4]',
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eval('string(g:list)'))
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end)
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it('can yield E702 and stop sorting after that', function()
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command([[
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function Cmp(a, b)
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if type(a:a) == type([]) || type(a:b) == type([])
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return []
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endif
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return (a:a > a:b) - (a:a < a:b)
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endfunction
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]])
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eq('\nE745: Using a List as a Number\nE702: Sort compare function failed',
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redir_exec('let sl = sort([1, 0, [], 3, 2], "Cmp")'))
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eq({1, 0, {}, 3, 2}, meths.get_var('sl'))
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end)
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end)
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