view src/testdir/test_backup.vim @ 19785:99248f0ff29d v8.2.0449

patch 8.2.0449: Vim9: crash if return type is invalid Commit: https://github.com/vim/vim/commit/cf3f8bf4ddfbc0f5ce53f0c9270dc15567f4feea Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 26 13:15:42 2020 +0100 patch 8.2.0449: Vim9: crash if return type is invalid Problem: Vim9: crash if return type is invalid. (Yegappan Lakshmanan) Solution: Always return some type, not NULL.
author Bram Moolenaar <Bram@vim.org>
date Thu, 26 Mar 2020 13:30:04 +0100
parents 77968a364ec4
children d8628d75c47a
line wrap: on
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" Tests for the backup function

func Test_backup()
  set backup backupdir=. backupskip=
  new
  call setline(1, ['line1', 'line2'])
  :f Xbackup.txt
  :w! Xbackup.txt
  " backup file is only created after
  " writing a second time (before overwriting)
  :w! Xbackup.txt
  let l = readfile('Xbackup.txt~')
  call assert_equal(['line1', 'line2'], l)
  bw!
  set backup&vim backupdir&vim backupskip&vim
  call delete('Xbackup.txt')
  call delete('Xbackup.txt~')
endfunc

func Test_backup2()
  set backup backupdir=.// backupskip=
  new
  call setline(1, ['line1', 'line2', 'line3'])
  :f Xbackup.txt
  :w! Xbackup.txt
  " backup file is only created after
  " writing a second time (before overwriting)
  :w! Xbackup.txt
  sp *Xbackup.txt~
  call assert_equal(['line1', 'line2', 'line3'], getline(1,'$'))
  let f=expand('%')
  call assert_match('%testdir%Xbackup.txt\~', f)
  bw!
  bw!
  call delete('Xbackup.txt')
  call delete(f)
  set backup&vim backupdir&vim backupskip&vim
endfunc

func Test_backup2_backupcopy()
  set backup backupdir=.// backupcopy=yes backupskip=
  new
  call setline(1, ['line1', 'line2', 'line3'])
  :f Xbackup.txt
  :w! Xbackup.txt
  " backup file is only created after
  " writing a second time (before overwriting)
  :w! Xbackup.txt
  sp *Xbackup.txt~
  call assert_equal(['line1', 'line2', 'line3'], getline(1,'$'))
  let f=expand('%')
  call assert_match('%testdir%Xbackup.txt\~', f)
  bw!
  bw!
  call delete('Xbackup.txt')
  call delete(f)
  set backup&vim backupdir&vim backupcopy&vim backupskip&vim
endfunc