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5531c95101
Problem: Computation overflow with large cound for :yank.
Solution: Avoid an overflow.
3cf21b3051
Co-authored-by: Bram Moolenaar <Bram@vim.org>
66 lines
2.1 KiB
Lua
66 lines
2.1 KiB
Lua
local t = require('test.testutil')
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local n = require('test.functional.testnvim')()
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local command = n.command
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local eq = t.eq
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local clear = n.clear
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local fn = n.fn
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local pcall_err = t.pcall_err
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local assert_alive = n.assert_alive
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describe('Ex cmds', function()
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before_each(function()
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clear()
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end)
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local function check_excmd_err(cmd, err)
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eq(err .. ': ' .. cmd, pcall_err(command, cmd))
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end
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it('handle integer overflow from user-input #5555', function()
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command(':9999999999999999999999999999999999999999')
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command(':later 9999999999999999999999999999999999999999')
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command(':echo expand("#<9999999999999999999999999999999999999999")')
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command(':lockvar 9999999999999999999999999999999999999999')
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command(
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':winsize 9999999999999999999999999999999999999999 9999999999999999999999999999999999999999'
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)
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check_excmd_err(
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':tabnext 9999999999999999999999999999999999999999',
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'Vim(tabnext):E475: Invalid argument: 9999999999999999999999999999999999999999'
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)
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eq(
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'Vim(Next):E163: There is only one file to edit',
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pcall_err(command, ':N 9999999999999999999999999999999999999999')
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)
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check_excmd_err(
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':bdelete 9999999999999999999999999999999999999999',
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'Vim(bdelete):E516: No buffers were deleted'
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)
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eq(
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'Vim(menu):E329: No menu "9999999999999999999999999999999999999999"',
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pcall_err(command, ':menu 9999999999999999999999999999999999999999')
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)
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assert_alive()
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end)
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it('listing long user command does not crash', function()
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command('execute "command" repeat("T", 255) ":"')
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command('command')
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end)
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it(':def is an unknown command #23149', function()
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eq('Vim:E492: Not an editor command: def', pcall_err(command, 'def'))
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eq(1, fn.exists(':d'))
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eq('delete', fn.fullcommand('d'))
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eq(1, fn.exists(':de'))
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eq('delete', fn.fullcommand('de'))
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eq(0, fn.exists(':def'))
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eq('', fn.fullcommand('def'))
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eq(1, fn.exists(':defe'))
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eq('defer', fn.fullcommand('defe'))
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eq(2, fn.exists(':defer'))
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eq('defer', fn.fullcommand('defer'))
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end)
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end)
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