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6692c0958f
Since 8b8ecf4, the shada module loads files in the jumplist to properly
clear duplicates. This can trigger some autocommands, which in turn
saves and restores search and substitute patterns, freeing the previous
strings in "spats" which are held in "wms" as well (heap-use-after-free).
To avoid this, initialize the jumplist in "wms" before search patterns.
241 lines
7.0 KiB
Lua
241 lines
7.0 KiB
Lua
-- ShaDa history saving/reading support
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local helpers = require('test.functional.helpers')(after_each)
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local nvim_command, funcs, meths, nvim_feed, eq =
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helpers.command, helpers.funcs, helpers.meths, helpers.feed, helpers.eq
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local shada_helpers = require('test.functional.shada.helpers')
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local reset, clear = shada_helpers.reset, shada_helpers.clear
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describe('ShaDa support code', function()
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before_each(reset)
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after_each(clear)
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it('is able to dump and read back command-line history', function()
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nvim_command('set shada=\'0')
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nvim_feed(':" Test\n')
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nvim_command('wshada')
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reset()
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nvim_command('set shada=\'0')
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nvim_command('rshada')
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eq('" Test', funcs.histget(':', -1))
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end)
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it('is able to dump and read back 2 items in command-line history', function()
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nvim_command('set shada=\'0 history=2')
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nvim_feed(':" Test\n')
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nvim_feed(':" Test 2\n')
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nvim_command('qall')
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reset()
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nvim_command('set shada=\'0 history=2')
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nvim_command('rshada')
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eq('" Test 2', funcs.histget(':', -1))
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eq('" Test', funcs.histget(':', -2))
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nvim_command('qall')
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end)
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it('respects &history when dumping',
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function()
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nvim_command('set shada=\'0 history=1')
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nvim_feed(':" Test\n')
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nvim_feed(':" Test 2\n')
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nvim_command('wshada')
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reset()
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nvim_command('set shada=\'0 history=2')
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nvim_command('rshada')
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eq('" Test 2', funcs.histget(':', -1))
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eq('', funcs.histget(':', -2))
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end)
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it('respects &history when loading',
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function()
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nvim_command('set shada=\'0 history=2')
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nvim_feed(':" Test\n')
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nvim_feed(':" Test 2\n')
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nvim_command('wshada')
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reset()
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nvim_command('set shada=\'0 history=1')
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nvim_command('rshada')
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eq('" Test 2', funcs.histget(':', -1))
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eq('', funcs.histget(':', -2))
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end)
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it('dumps only requested amount of command-line history items', function()
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nvim_command('set shada=\'0,:1')
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nvim_feed(':" Test\n')
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nvim_feed(':" Test 2\n')
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nvim_command('wshada')
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-- Regression test: :wshada should not alter or free history.
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eq('" Test 2', funcs.histget(':', -1))
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eq('" Test', funcs.histget(':', -2))
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reset()
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nvim_command('set shada=\'0')
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nvim_command('rshada')
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eq('" Test 2', funcs.histget(':', -1))
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eq('', funcs.histget(':', -2))
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end)
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it('does not respect number in &shada when loading history', function()
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nvim_command('set shada=\'0')
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nvim_feed(':" Test\n')
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nvim_feed(':" Test 2\n')
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nvim_command('wshada')
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reset()
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nvim_command('set shada=\'0,:1')
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nvim_command('rshada')
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eq('" Test 2', funcs.histget(':', -1))
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eq('" Test', funcs.histget(':', -2))
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end)
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it('dumps and loads all kinds of histories', function()
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nvim_command('debuggreedy')
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nvim_feed(':debug echo "Test"\n" Test 2\nc\n') -- Debug history.
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nvim_feed(':call input("")\nTest 2\n') -- Input history.
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nvim_feed('"="Test"\nyy') -- Expression history.
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nvim_feed('/Test\n') -- Search history
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nvim_feed(':" Test\n') -- Command-line history
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nvim_command('0debuggreedy')
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nvim_command('wshada')
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reset()
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nvim_command('rshada')
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eq('" Test', funcs.histget(':', -1))
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eq('Test', funcs.histget('/', -1))
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eq('"Test"', funcs.histget('=', -1))
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eq('Test 2', funcs.histget('@', -1))
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eq('c', funcs.histget('>', -1))
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end)
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it('dumps and loads last search pattern with offset', function()
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meths.set_option('wrapscan', false)
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funcs.setline('.', {'foo', 'bar--'})
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nvim_feed('gg0/a/e+1\n')
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eq({0, 2, 3, 0}, funcs.getpos('.'))
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nvim_command('wshada')
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reset()
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meths.set_option('wrapscan', false)
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funcs.setline('.', {'foo', 'bar--'})
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nvim_feed('gg0n')
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eq({0, 2, 3, 0}, funcs.getpos('.'))
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eq(1, meths.get_vvar('searchforward'))
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end)
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it('dumps and loads last search pattern with offset and backward direction',
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function()
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meths.set_option('wrapscan', false)
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funcs.setline('.', {'foo', 'bar--'})
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nvim_feed('G$?a?e+1\n')
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eq({0, 2, 3, 0}, funcs.getpos('.'))
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nvim_command('wshada')
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reset()
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meths.set_option('wrapscan', false)
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funcs.setline('.', {'foo', 'bar--'})
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nvim_feed('G$n')
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eq({0, 2, 3, 0}, funcs.getpos('.'))
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eq(0, meths.get_vvar('searchforward'))
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end)
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it('saves v:hlsearch=1', function()
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nvim_command('set hlsearch shada-=h')
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nvim_feed('/test\n')
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eq(1, meths.get_vvar('hlsearch'))
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nvim_command('qall')
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reset()
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eq(1, meths.get_vvar('hlsearch'))
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end)
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it('saves v:hlsearch=0 with :nohl', function()
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nvim_command('set hlsearch shada-=h')
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nvim_feed('/test\n')
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nvim_command('nohlsearch')
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nvim_command('qall')
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reset()
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eq(0, meths.get_vvar('hlsearch'))
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end)
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it('saves v:hlsearch=0 with default &shada', function()
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nvim_command('set hlsearch')
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nvim_feed('/test\n')
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eq(1, meths.get_vvar('hlsearch'))
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nvim_command('qall')
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reset()
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eq(0, meths.get_vvar('hlsearch'))
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end)
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it('dumps and loads last substitute pattern and replacement string', function()
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funcs.setline('.', {'foo', 'bar'})
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nvim_command('%s/f/g/g')
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eq('goo', funcs.getline(1))
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nvim_command('wshada')
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reset()
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funcs.setline('.', {'foo', 'bar'})
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nvim_command('&')
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eq('goo', funcs.getline(1))
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end)
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it('dumps and loads history with UTF-8 characters', function()
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reset()
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nvim_feed(':echo "«"\n')
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nvim_command('qall')
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reset()
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eq('echo "«"', funcs.histget(':', -1))
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end)
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it('dumps and loads replacement with UTF-8 characters',
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function()
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nvim_command('substitute/./«/ge')
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nvim_command('qall!')
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reset()
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funcs.setline('.', {'.'})
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nvim_command('&')
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eq('«', funcs.getline('.'))
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end)
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it('dumps and loads substitute pattern with UTF-8 characters',
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function()
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nvim_command('substitute/«/./ge')
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nvim_command('qall!')
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reset()
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funcs.setline('.', {'«\171'})
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nvim_command('&')
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eq('.\171', funcs.getline('.'))
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end)
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it('dumps and loads search pattern with UTF-8 characters',
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function()
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nvim_command('silent! /«/')
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nvim_command('set shada+=/0')
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nvim_command('qall!')
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reset()
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funcs.setline('.', {'\171«'})
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nvim_command('~&')
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eq('\171', funcs.getline('.'))
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eq('', funcs.histget('/', -1))
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end)
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it('dumps and loads search pattern with 8-bit single-byte',
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function()
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-- \171 is U+00AB LEFT-POINTING DOUBLE ANGLE QUOTATION MARK in latin1
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nvim_command('silent! /\171/')
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nvim_command('set shada+=/0')
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nvim_command('qall!')
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reset()
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funcs.setline('.', {'\171«'})
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nvim_command('~&')
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eq('«', funcs.getline('.'))
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eq('', funcs.histget('/', -1))
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end)
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it('does not crash when dumping last search pattern (#10945)', function()
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nvim_command('edit Xtest-functional-shada-history_spec')
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-- Save jump list
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nvim_command('wshada')
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-- Wipe out buffer list (jump list entry gets removed)
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nvim_command('%bwipeout')
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-- Restore jump list
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nvim_command('rshada')
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nvim_command('silent! /pat/')
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nvim_command('au BufNew * echo')
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nvim_command('wshada')
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end)
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end)
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