view src/testdir/test_largefile.vim @ 33789:2175a980f3eb v9.0.2113

patch 9.0.2113: Coverity warns for another overflow in shift_line() Commit: https://github.com/vim/vim/commit/22a97fc241361aa91bda84e5344d5b7c0cda3e81 Author: Christian Brabandt <cb@256bit.org> Date: Sun Nov 19 10:45:24 2023 +0100 patch 9.0.2113: Coverity warns for another overflow in shift_line() Problem: Coverity warns for another overflow in shift_line() Solution: Test for INT_MAX after the if condition, cast integer values to (long long) before multiplying. Signed-off-by: Christian Brabandt <cb@256bit.org> Signed-off-by: Michael Henry <vim@drmikehenry.com> Signed-off-by: Ernie Rael <errael@raelity.com>
author Christian Brabandt <cb@256bit.org>
date Sun, 19 Nov 2023 11:00:05 +0100
parents 08940efa6b4e
children
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" Tests for large files
" This is only executed manually: "make test_largefile".
" This is not run as part of "make test".

func Test_largefile()
  let fname = 'Xlarge.txt'

  call delete(fname)
  exe "e" fname
  " Make sure that a line break is 1 byte (LF).
  set ff=unix
  set undolevels=-1
  " Input 99 'A's. The line becomes 100 bytes including a line break.
  exe "normal 99iA\<Esc>"
  yank
  " Put 39,999,999 times. The file becomes 4,000,000,000 bytes.
  normal 39999999p
  " Moving around in the file randomly.
  normal G
  normal 10%
  normal 90%
  normal 50%
  normal gg
  w
  " Check if the file size is 4,000,000,000 bytes.
  let fsize=getfsize(fname)
  call assert_true(fsize == 4000000000)
  call delete(fname)
endfunc

" vim: shiftwidth=2 sts=2 expandtab