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test: system([...]): v:shell_error

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This commit is contained in:
Justin M. Keyes 2017-01-10 18:06:34 +01:00
parent 1e079fa987
commit 9ecdce1d53
1 changed files with 23 additions and 0 deletions
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23
test/functional/eval/system_spec.lua
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@ -38,6 +38,29 @@ describe('system()', function()
eq(-1, eval('v:shell_error'))
end)
it('parameter validation does NOT modify v:shell_error', function()
-- 1. Call system() with invalid parameters.
-- 2. Assert that v:shell_error was NOT set.
execute('call system({})')
eq('E475: Invalid argument: expected String or List', eval('v:errmsg'))
eq(0, eval('v:shell_error'))
execute('call system([])')
eq('E474: Invalid argument', eval('v:errmsg'))
eq(0, eval('v:shell_error'))
-- Provoke a non-zero v:shell_error.
call('system', { 'this-should-not-exist' })
local old_val = eval('v:shell_error')
eq(-1, old_val)
-- 1. Call system() with invalid parameters.
-- 2. Assert that v:shell_error was NOT modified.
execute('call system({})')
eq(old_val, eval('v:shell_error'))
execute('call system([])')
eq(old_val, eval('v:shell_error'))
end)
it('quotes arguments correctly #5280', function()
local out = call('system',
{ printargs_path, [[1]], [[2 "3]], [[4 ' 5]], [[6 ' 7']] })