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view src/testdir/test_expr_utf8.vim @ 19783:546bdeef35f1 v8.2.0448

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patch 8.2.0448: various functions not properly tested Commit: https://github.com/vim/vim/commit/0e05de46226eb4e5ea580beefa71831f92d613d3 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 25 22:23:46 2020 +0100 patch 8.2.0448: various functions not properly tested Problem: Various functions not properly tested. Solution: Add more tests, especially for failures. (Yegappan Lakshmanan, closes #5843)
author Bram Moolenaar <Bram@vim.org>
date Wed, 25 Mar 2020 22:30:04 +0100
parents 2dcaa860e3fc
children 08940efa6b4e
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" Tests for expressions using 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('いうeお', strcharpart('あいうeお', 1))
  call assert_equal('い', strcharpart('あいうeお', 1, 1))
  call assert_equal('いう', strcharpart('あいうeお', 1, 2))
  call assert_equal('いうe', strcharpart('あいうeお', 1, 3))
  call assert_equal('いうeお', strcharpart('あいうeお', 1, 4))
  call assert_equal('eお', strcharpart('あいうeお', 3))
  call assert_equal('e', strcharpart('あいうeお', 3, 1))

  call assert_equal('あ', strcharpart('あいうeお', -3, 4))

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