patch 9.0.1373: wrong text displayed when using both 'linebreak' and 'list'
Problem: Wrong text displayed when using both 'linebreak' and 'list'.
Solution: Only set "c_extra" to NUL when "p_extra" is not empty. (Hirohito
Higashi, closes #12065)
diff --git a/src/testdir/test_listlbr.vim b/src/testdir/test_listlbr.vim
index 4a43fea..198ad8c 100644
--- a/src/testdir/test_listlbr.vim
+++ b/src/testdir/test_listlbr.vim
@@ -73,6 +73,30 @@
call s:close_windows()
endfunc
+func Test_linebreak_with_list_and_number()
+ call s:test_windows('setl list listchars+=tab:>-')
+ call setline(1, ["abcdefg\thijklmnopqrstu", "v"])
+ let lines = s:screen_lines([1, 4], winwidth(0))
+ let expect_nonumber = [
+\ "abcdefg>------------",
+\ "hijklmnopqrstu$ ",
+\ "v$ ",
+\ "~ ",
+\ ]
+ call s:compare_lines(expect_nonumber, lines)
+
+ setl number
+ let lines = s:screen_lines([1, 4], winwidth(0))
+ let expect_number = [
+\ " 1 abcdefg>--------",
+\ " hijklmnopqrstu$ ",
+\ " 2 v$ ",
+\ "~ ",
+\ ]
+ call s:compare_lines(expect_number, lines)
+ call s:close_windows()
+endfunc
+
func Test_should_break()
call s:test_windows('setl sbr=+ nolist')
call setline(1, "1\t" . repeat('a', winwidth(0)-2))