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53 lines
1.6 KiB
Lua
53 lines
1.6 KiB
Lua
-- Inserts 2 million lines with consecutive integers starting from 1
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-- (essentially, the output of GNU's seq 1 2000000), writes them to Xtest
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-- and calculates its cksum.
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-- We need 2 million lines to trigger a call to mf_hash_grow(). If it would mess
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-- up the lines the checksum would differ.
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-- cksum is part of POSIX and so should be available on most Unixes.
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-- If it isn't available then the test will be skipped.
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local helpers = require('test.functional.helpers')(after_each)
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local feed = helpers.feed
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local wait = helpers.wait
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local clear = helpers.clear
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local expect = helpers.expect
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local command = helpers.command
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describe('mf_hash_grow()', function()
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setup(clear)
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-- Check to see if cksum exists, otherwise skip the test
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local null = helpers.iswin() and 'nul' or '/dev/null'
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if os.execute('cksum --help >' .. null .. ' 2>&1') ~= 0 then
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pending('was not tested because cksum was not found', function() end)
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else
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it('is working', function()
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command('set fileformat=unix undolevels=-1')
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-- Fill the buffer with numbers 1 - 2000000
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command('let i = 1')
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command('while i <= 2000000 | call append(i, range(i, i + 99)) | let i += 100 | endwhile')
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-- Delete empty first line, save to Xtest, and clear buffer
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feed('ggdd<cr>')
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wait()
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command('w! Xtest')
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feed('ggdG<cr>')
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wait()
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-- Calculate the cksum of Xtest and delete first line
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command('r !cksum Xtest')
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feed('ggdd<cr>')
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-- Assert correct output of cksum.
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expect([[
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3678979763 14888896 Xtest]])
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end)
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end
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teardown(function()
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os.remove('Xtest')
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end)
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end)
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