diff options
| -rw-r--r-- | src/nvim/fold.c | 5 | ||||
| -rw-r--r-- | src/nvim/testdir/test_fold.vim | 20 |
2 files changed, 23 insertions, 2 deletions
diff --git a/src/nvim/fold.c b/src/nvim/fold.c index 5032646d7e..ad8418034a 100644 --- a/src/nvim/fold.c +++ b/src/nvim/fold.c @@ -2227,8 +2227,9 @@ static linenr_T foldUpdateIEMSRecurse( if (getlevel == foldlevelMarker && flp->start <= flp->lvl - level && flp->lvl > 0) { (void)foldFind(gap, startlnum - 1, &fp); - if (fp >= ((fold_T *)gap->ga_data) + gap->ga_len - || fp->fd_top >= startlnum) { + if (fp != NULL + && (fp >= ((fold_T *)gap->ga_data) + gap->ga_len + || fp->fd_top >= startlnum)) { fp = NULL; } } diff --git a/src/nvim/testdir/test_fold.vim b/src/nvim/testdir/test_fold.vim index fcdf888b96..2cc5b47cb0 100644 --- a/src/nvim/testdir/test_fold.vim +++ b/src/nvim/testdir/test_fold.vim @@ -796,6 +796,26 @@ func Test_fold_delete_first_line() set foldmethod& endfunc +func Test_undo_fold_deletion() + new + set fdm=marker + let lines =<< trim END + " {{{ + " }}}1 + " {{{ + END + call setline(1, lines) + 3d + g/"/d + undo + redo + " eval getline(1, '$')->assert_equal(['']) + eval assert_equal(getline(1, '$'), ['']) + + set fdm&vim + bwipe! +endfunc + " this was crashing func Test_move_no_folds() new |