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vim-patch:8.2.2640: screenstring() returns non-existing composing characters

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Problem:    screenstring() returns non-existing composing characters.
Solution:   Only use composing characters if there is a base character.
f1387285e2
This commit is contained in:
zeertzjq
2021-09-19 13:13:44 +08:00
parent 59e80c4dfc
commit 177e87525a
1 changed files with 5 additions and 9 deletions
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14
src/nvim/testdir/test_listchars.vim
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@@ -146,7 +146,7 @@ func Test_listchars()
set list
" Non-breaking space
let nbsp = nr2char(0xa0)
call append(0, [ ">".nbsp."<" ])
call append(0, [ ">" .. nbsp .. "<" ])
let expected = '>X< '
@@ -193,12 +193,8 @@ func Test_listchars_unicode()
set list
let nbsp = nr2char(0xa0)
call append(0, [
\ "a\tb c".nbsp."d"
\ ])
let expected = [
\ 'a←↔↔↔↔↔→b␣c≠d⇔'
\ ]
call append(0, ["a\tb c" .. nbsp .. "d"])
let expected = ['a←↔↔↔↔↔→b␣c≠d⇔']
redraw!
call cursor(1, 1)
call assert_equal(expected, ScreenLines(1, virtcol('$')))
@@ -221,10 +217,10 @@ func Test_listchars_composing()
let nbsp1 = nr2char(0xa0)
let nbsp2 = nr2char(0x202f)
call append(0, [
\ " \u3099\t \u309A".nbsp1.nbsp1."\u0302".nbsp2.nbsp2."\u0302",
\ " \u3099\t \u309A" .. nbsp1 .. nbsp1 .. "\u0302" .. nbsp2 .. nbsp2 .. "\u0302",
\ ])
let expected = [
\ "_ \u3099^I \u309A=".nbsp1."\u0302=".nbsp2."\u0302$"
\ "_ \u3099^I \u309A=" .. nbsp1 .. "\u0302=" .. nbsp2 .. "\u0302$"
\ ]
redraw!
call cursor(1, 1)