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view src/testdir/test_expr_utf8.vim @ 8987:42beb54724fa v7.4.1779

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commit https://github.com/vim/vim/commit/73dfe917ba6357413aaf98a021c91add5ac6e9bc Author: Bram Moolenaar <Bram@vim.org> Date: Sat Apr 23 13:54:48 2016 +0200 patch 7.4.1779 Problem: Using negative index in strcharpart(). (Yegappan Lakshmanan) Solution: Assume single byte when using a negative iindex.
author Christian Brabandt <cb@256bit.org>
date Sat, 23 Apr 2016 14:00:05 +0200
parents 460c8cc144f0
children 2085167ab1b0
line wrap: on
line source

" Tests for expressions using utf-8.
if !has('multi_byte')
  finish
endif
set encoding=utf-8
scriptencoding utf-8

func Test_strgetchar()
  call assert_equal(char2nr('á'), strgetchar('áxb', 0))
  call assert_equal(char2nr('x'), strgetchar('áxb', 1))

  call assert_equal(char2nr('a'), strgetchar('àxb', 0))
  call assert_equal(char2nr('̀'), strgetchar('àxb', 1))
  call assert_equal(char2nr('x'), strgetchar('àxb', 2))

  call assert_equal(char2nr('あ'), strgetchar('あaい', 0))
  call assert_equal(char2nr('a'), strgetchar('あaい', 1))
  call assert_equal(char2nr('い'), strgetchar('あaい', 2))
endfunc

func Test_strcharpart()
  call assert_equal('áxb', strcharpart('áxb', 0))
  call assert_equal('á', strcharpart('áxb', 0, 1))
  call assert_equal('x', strcharpart('áxb', 1, 1))

  call assert_equal('a', strcharpart('àxb', 0, 1))
  call assert_equal('̀', strcharpart('àxb', 1, 1))
  call assert_equal('x', strcharpart('àxb', 2, 1))
endfunc