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diff src/testdir/view_util.vim @ 17164:7927cf327396 v8.1.1581

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patch 8.1.1581: shared functions for testing are disorganised commit https://github.com/vim/vim/commit/7a39dd7f00239059ce34660611589b26126a550c Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 23 00:50:15 2019 +0200 patch 8.1.1581: shared functions for testing are disorganised Problem: Shared functions for testing are disorganised. Solution: Group finctions in script files. (Ozaki Kiichi, closes https://github.com/vim/vim/issues/4573)
author Bram Moolenaar <Bram@vim.org>
date Sun, 23 Jun 2019 01:00:05 +0200
parents 90b0f2227d73
children 851a014dfd8b
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line diff
--- a/src/testdir/view_util.vim
+++ b/src/testdir/view_util.vim
@@ -1,10 +1,21 @@
 " Functions about view shared by several tests
 
 " Only load this script once.
-if exists('*ScreenLines')
+if exists('*Screenline')
   finish
 endif
 
+" Get line "lnum" as displayed on the screen.
+" Trailing white space is trimmed.
+func Screenline(lnum)
+  let chars = []
+  for c in range(1, winwidth(0))
+    call add(chars, nr2char(screenchar(a:lnum, c)))
+  endfor
+  let line = join(chars, '')
+  return matchstr(line, '^.\{-}\ze\s*$')
+endfunc
+
 " Get text on the screen, including composing characters.
 " ScreenLines(lnum, width) or
 " ScreenLines([start, end], width)