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view src/testdir/test_backspace_opt.vim @ 12977:2d817fd289ba v8.0.1364

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patch 8.0.1364: there is no easy way to get the window position commit https://github.com/vim/vim/commit/22044dc31788d9f1c2da7725269884d9923b4795 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Dec 2 15:43:37 2017 +0100 patch 8.0.1364: there is no easy way to get the window position Problem: There is no easy way to get the window position. Solution: Add win_screenpos().
author Christian Brabandt <cb@256bit.org>
date Sat, 02 Dec 2017 15:45:04 +0100
parents 3ee84d270ea7
children f776ce5d4ed8
line wrap: on
line source

" Tests for 'backspace' settings

:func Exec(expr)
  let str=''
  try
    exec a:expr
  catch /.*/
    let str=v:exception
  endtry
  return str
:endfunc

func Test_backspace_option()
  set backspace=
  call assert_equal('', &backspace)
  set backspace=indent
  call assert_equal('indent', &backspace)
  set backspace=eol
  call assert_equal('eol', &backspace)
  set backspace=start
  call assert_equal('start', &backspace)
  " Add the value
  set backspace=
  set backspace=indent
  call assert_equal('indent', &backspace)
  set backspace+=eol
  call assert_equal('indent,eol', &backspace)
  set backspace+=start
  call assert_equal('indent,eol,start', &backspace)
  " Delete the value
  set backspace-=indent
  call assert_equal('eol,start', &backspace)
  set backspace-=start
  call assert_equal('eol', &backspace)
  set backspace-=eol
  call assert_equal('', &backspace)
  " Check the error
  call assert_equal(0, match(Exec('set backspace=ABC'), '.*E474'))
  call assert_equal(0, match(Exec('set backspace+=def'), '.*E474'))
  " NOTE: Vim doesn't check following error...
  "call assert_equal(0, match(Exec('set backspace-=ghi'), '.*E474'))

  " Check backwards compatibility with version 5.4 and earlier
  set backspace=0
  call assert_equal('0', &backspace)
  set backspace=1
  call assert_equal('1', &backspace)
  set backspace=2
  call assert_equal('2', &backspace)
  call assert_false(match(Exec('set backspace=3'), '.*E474'))
  call assert_false(match(Exec('set backspace=10'), '.*E474'))

  " Cleared when 'compatible' is set
  set compatible
  call assert_equal('', &backspace)
  set nocompatible viminfo+=nviminfo
endfunc

" vim: shiftwidth=2 sts=2 expandtab