view src/testdir/test_matchadd_conceal_utf8.vim @ 18851:3cf9529b3a4a v8.1.2412

patch 8.1.2412: crash when evaluating expression with error Commit: https://github.com/vim/vim/commit/0ff822d2ebf0d130516631734b00179ba8dd8251 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Dec 8 18:41:34 2019 +0100 patch 8.1.2412: crash when evaluating expression with error Problem: Crash when evaluating expression with error. (Dhiraj Mishra) Solution: Check parsing failed. (closes https://github.com/vim/vim/issues/5329)
author Bram Moolenaar <Bram@vim.org>
date Sun, 08 Dec 2019 18:45:03 +0100
parents 0dcc2ee838dd
children 08940efa6b4e
line wrap: on
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" Test for matchadd() and conceal feature using utf-8.

source check.vim
CheckFeature conceal

if !has('gui_running') && has('unix')
  set term=ansi
endif

func s:screenline(lnum) abort
  let line = []
  for c in range(1, winwidth(0))
    call add(line, nr2char(a:lnum->screenchar(c)))
  endfor
  return s:trim(join(line, ''))
endfunc

func s:trim(str) abort
  return matchstr(a:str,'^\s*\zs.\{-}\ze\s*$')
endfunc

func Test_match_using_multibyte_conceal_char()
  new
  setlocal concealcursor=n conceallevel=1

  1put='# This is a Test'
  "             1234567890123456
  let expect = '#ˑThisˑisˑaˑTest'

  call cursor(1, 1)
  call matchadd('Conceal', '\%2l ', 20, -1, {'conceal': "\u02d1"})
  redraw!

  let lnum = 2
  call assert_equal(expect, s:screenline(lnum))
  call assert_notequal(screenattr(lnum, 1), screenattr(lnum, 2))
  call assert_equal(screenattr(lnum, 2), screenattr(lnum, 7))
  call assert_equal(screenattr(lnum, 2), screenattr(lnum, 10))
  call assert_equal(screenattr(lnum, 2), screenattr(lnum, 12))
  call assert_equal(screenattr(lnum, 1), screenattr(lnum, 16))

  quit!
endfunc