patch 9.1.0537: signed number detection for CTRL-X/A can be improved
Problem: signed number detection for CTRL-X/A can be improved
(Chris Patuzzo)
Solution: Add the new "blank" value for the 'nrformat' setting. This
will make Vim assume a signed number only if there is a blank
in front of the sign.
(distobs)
fixes: #15033
closes: #15110
Signed-off-by: distobs <cuppotatocake@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_increment.vim b/src/testdir/test_increment.vim
index fdd7c0c..3a5f5ee 100644
--- a/src/testdir/test_increment.vim
+++ b/src/testdir/test_increment.vim
@@ -840,6 +840,44 @@
set nrformats-=unsigned
endfunc
+" Try incrementing/decrementing a number when nrformats contains blank
+func Test_increment_blank()
+ set nrformats+=blank
+
+ " Signed
+ call setline(1, '0')
+ exec "norm! gg0\<C-X>"
+ call assert_equal('-1', getline(1))
+
+ call setline(1, '3')
+ exec "norm! gg010\<C-X>"
+ call assert_equal('-7', getline(1))
+
+ call setline(1, '-0')
+ exec "norm! gg0\<C-X>"
+ call assert_equal("-1", getline(1))
+
+ " Unsigned
+ " NOTE: 18446744073709551615 == 2^64 - 1
+ call setline(1, 'a-18446744073709551615')
+ exec "norm! gg0\<C-A>"
+ call assert_equal('a-18446744073709551615', getline(1))
+
+ call setline(1, 'a-18446744073709551615')
+ exec "norm! gg0\<C-A>"
+ call assert_equal('a-18446744073709551615', getline(1))
+
+ call setline(1, 'a-18446744073709551614')
+ exec "norm! gg08\<C-A>"
+ call assert_equal('a-18446744073709551615', getline(1))
+
+ call setline(1, 'a-1')
+ exec "norm! gg0\<C-A>"
+ call assert_equal('a-2', getline(1))
+
+ set nrformats-=blank
+endfunc
+
func Test_in_decrement_large_number()
" NOTE: 18446744073709551616 == 2^64
call setline(1, '18446744073709551616')