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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.
35 lines
1015 B
Lua
35 lines
1015 B
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('uniq()', function()
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it('errors out when processing 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 uniq([v:true, v:false], "f")'))
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end)
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it('can yield E882 and stop filtering 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\nE882: Uniq compare function failed',
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redir_exec('let fl = uniq([0, 0, [], 1, 1], "Cmp")'))
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eq({0, {}, 1, 1}, meths.get_var('fl'))
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end)
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end)
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