patch 8.2.0270: some code not covered by tests
Problem: Some code not covered by tests.
Solution: Add test cases. (Yegappan Lakshmanan, closes #5649)
diff --git a/src/testdir/test_join.vim b/src/testdir/test_join.vim
index 377edab..fdd9e05 100644
--- a/src/testdir/test_join.vim
+++ b/src/testdir/test_join.vim
@@ -436,5 +436,11 @@
call setline(1, ['a', 'b', '', 'c', 'd'])
normal 5J
call assert_equal('a b c d', getline(1))
+ call setline(1, ['a', 'b', 'c'])
+ 2,2join
+ call assert_equal(['a', 'b', 'c'], getline(1, '$'))
+ call assert_equal(2, line('.'))
+ 2join
+ call assert_equal(['a', 'b c'], getline(1, '$'))
bwipe!
endfunc