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vim-patch:8.2.5034: there is no way to get the byte index from a virtual column

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Problem:    There is no way to get the byte index from a virtual column.
Solution:   Add virtcol2col(). (Yegappan Lakshmanan, closes vim/vim#10477,
            closes vim/vim#10098)
5a6ec10cc8

Cherry-pick tv_check_for_number_arg() from Vim.
Cherry-pick pathshorten() doc change.
This commit is contained in:
zeertzjq
2022-09-12 17:10:31 +08:00
parent 4448fa88ec
commit 245ac6f263
6 changed files with 100 additions and 1 deletions
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22
src/nvim/testdir/test_cursor_func.vim
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@@ -373,4 +373,26 @@ func Test_setcursorcharpos()
%bw!
endfunc
" Test for virtcol2col()
func Test_virtcol2col()
new
call setline(1, ["a\tb\tc"])
call assert_equal(1, virtcol2col(0, 1, 1))
call assert_equal(2, virtcol2col(0, 1, 2))
call assert_equal(2, virtcol2col(0, 1, 8))
call assert_equal(3, virtcol2col(0, 1, 9))
call assert_equal(4, virtcol2col(0, 1, 10))
call assert_equal(4, virtcol2col(0, 1, 16))
call assert_equal(5, virtcol2col(0, 1, 17))
call assert_equal(-1, virtcol2col(10, 1, 1))
call assert_equal(-1, virtcol2col(0, 10, 1))
call assert_equal(-1, virtcol2col(0, -1, 1))
call assert_equal(-1, virtcol2col(0, 1, -1))
call assert_equal(5, virtcol2col(0, 1, 20))
call assert_fails('echo virtcol2col("0", 1, 20)', 'E1210:')
call assert_fails('echo virtcol2col(0, "1", 20)', 'E1210:')
call assert_fails('echo virtcol2col(0, 1, "1")', 'E1210:')
bw!
endfunc
" vim: shiftwidth=2 sts=2 expandtab