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vim-patch:8.0.1630: trimming white space is not that easy

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Problem:    Trimming white space is not that easy.
Solution:   Add the trim() function. (Bukn, closes vim/vim#1280)
295ac5ab5e
This commit is contained in:
Jan Edmund Lazo
2018-08-13 11:34:59 -04:00
parent e346c01c31
commit 163680a58e
4 changed files with 104 additions and 0 deletions
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23
src/nvim/testdir/test_functions.vim
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@@ -926,3 +926,26 @@ func Test_redo_in_nested_functions()
delfunc Operator
delfunc Apply
endfunc
func Test_trim()
call assert_equal("Testing", trim(" \t\r\r\x0BTesting \t\n\r\n\t\x0B\x0B"))
call assert_equal("Testing", trim(" \t \r\r\n\n\x0BTesting \t\n\r\n\t\x0B\x0B"))
call assert_equal("RESERVE", trim("xyz \twwRESERVEzyww \t\t", " wxyz\t"))
call assert_equal("wRE \tSERVEzyww", trim("wRE \tSERVEzyww"))
call assert_equal("abcd\t xxxx tail", trim(" \tabcd\t xxxx tail"))
call assert_equal("\tabcd\t xxxx tail", trim(" \tabcd\t xxxx tail", " "))
call assert_equal(" \tabcd\t xxxx tail", trim(" \tabcd\t xxxx tail", "abx"))
call assert_equal("RESERVE", trim("你RESERVE好", "你好"))
call assert_equal("您R E SER V E早", trim("你好您R E SER V E早好你你", "你好"))
call assert_equal("你好您R E SER V E早好你你", trim(" \n\r\r 你好您R E SER V E早好你你 \t \x0B", ))
call assert_equal("您R E SER V E早好你你 \t \x0B", trim(" 你好您R E SER V E早好你你 \t \x0B", " 你好"))
call assert_equal("您R E SER V E早好你你 \t \x0B", trim(" tteesstttt你好您R E SER V E早好你你 \t \x0B ttestt", " 你好tes"))
call assert_equal("您R E SER V E早好你你 \t \x0B", trim(" tteesstttt你好您R E SER V E早好你你 \t \x0B ttestt", " 你你你好好好tttsses"))
call assert_equal("留下", trim("这些些不要这些留下这些", "这些不要"))
call assert_equal("", trim("", ""))
call assert_equal("a", trim("a", ""))
call assert_equal("", trim("", "a"))
let chars = join(map(range(1, 0x20) + [0xa0], {n -> nr2char(n)}), '')
call assert_equal("x", trim(chars . "x" . chars))
endfunc