Mercurial > vim
diff src/testdir/test_functions.vim @ 23380:2351b40af967 v8.2.2233
patch 8.2.2233: cannot convert a byte index into a character index
Commit: https://github.com/vim/vim/commit/17793ef23aae0bc94539390ccfe5e63b0ad39ff2
Author: Bram Moolenaar <Bram@vim.org>
Date: Mon Dec 28 12:56:58 2020 +0100
patch 8.2.2233: cannot convert a byte index into a character index
Problem: Cannot convert a byte index into a character index.
Solution: Add charidx(). (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/7561)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Mon, 28 Dec 2020 13:00:07 +0100 |
| parents | 34a74f5f0fb4 |
| children | a8602bad9e9a |
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--- a/src/testdir/test_functions.vim +++ b/src/testdir/test_functions.vim @@ -1132,6 +1132,31 @@ func Test_byteidx() call assert_fails("call byteidxcomp([], 0)", 'E730:') endfunc +" Test for charidx() +func Test_charidx() + let a = 'xáb́y' + call assert_equal(0, charidx(a, 0)) + call assert_equal(1, charidx(a, 3)) + call assert_equal(2, charidx(a, 4)) + call assert_equal(3, charidx(a, 7)) + call assert_equal(-1, charidx(a, 8)) + call assert_equal(-1, charidx('', 0)) + + " count composing characters + call assert_equal(0, charidx(a, 0, 1)) + call assert_equal(2, charidx(a, 2, 1)) + call assert_equal(3, charidx(a, 4, 1)) + call assert_equal(5, charidx(a, 7, 1)) + call assert_equal(-1, charidx(a, 8, 1)) + call assert_equal(-1, charidx('', 0, 1)) + + call assert_fails('let x = charidx([], 1)', 'E474:') + call assert_fails('let x = charidx("abc", [])', 'E474:') + call assert_fails('let x = charidx("abc", 1, [])', 'E474:') + call assert_fails('let x = charidx("abc", 1, -1)', 'E1023:') + call assert_fails('let x = charidx("abc", 1, 2)', 'E1023:') +endfunc + func Test_count() let l = ['a', 'a', 'A', 'b'] call assert_equal(2, count(l, 'a'))