mirror of https://github.com/neovim/neovim.git
65 lines
1.9 KiB
Lua
65 lines
1.9 KiB
Lua
-- Test for benchmarking the RE engine.
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local n = require('test.functional.testnvim')()
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local insert, source = n.insert, n.source
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local clear, command = n.clear, n.command
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-- Temporary file for gathering benchmarking results for each regexp engine.
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local result_file = 'benchmark.out'
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-- Fixture containing an HTML fragment that can make a search appear to freeze.
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local sample_file = 'test/old/testdir/samples/re.freeze.txt'
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-- Vim script code that does both the work and the benchmarking of that work.
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local measure_cmd = [[call Measure(%d, ']] .. sample_file .. [[', '\s\+\%%#\@<!$', '+5')]]
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local measure_script = [[
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func Measure(re, file, pattern, arg)
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let sstart = reltime()
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execute 'set re=' .. a:re
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execute 'split' a:arg a:file
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call search(a:pattern, '', '', 10000)
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quit!
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$put =printf('file: %s, re: %d, time: %s', a:file, a:re, reltimestr(reltime(sstart)))
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endfunc]]
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describe('regexp search', function()
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-- The test cases rely on a temporary result file, which we prepare and write
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-- to disk.
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setup(function()
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clear()
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source(measure_script)
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insert('" Benchmark_results:')
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command('write! ' .. result_file)
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end)
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-- At the end of the test run we just print the contents of the result file
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-- for human inspection and promptly delete the file.
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teardown(function()
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print ''
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for line in io.lines(result_file) do
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print(line)
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end
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os.remove(result_file)
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end)
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it('is working with regexpengine=0', function()
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local regexpengine = 0
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command(string.format(measure_cmd, regexpengine))
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command('write')
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end)
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it('is working with regexpengine=1', function()
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local regexpengine = 1
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command(string.format(measure_cmd, regexpengine))
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command('write')
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end)
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it('is working with regexpengine=2', function()
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local regexpengine = 2
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command(string.format(measure_cmd, regexpengine))
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command('write')
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end)
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end)
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