patch 8.0.0334: can't access b:changedtick from a dict reference
Problem: Can't access b:changedtick from a dict reference.
Solution: Make changedtick a member of the b: dict. (inspired by neovim
#6112)
diff --git a/src/testdir/test_functions.vim b/src/testdir/test_functions.vim
index bd4ff05..5e34c2f 100644
--- a/src/testdir/test_functions.vim
+++ b/src/testdir/test_functions.vim
@@ -424,3 +424,45 @@
bwipe!
iunmap <F2>
endfunc
+
+func Test_getbufvar()
+ let bnr = bufnr('%')
+ let b:var_num = '1234'
+ let def_num = '5678'
+ call assert_equal('1234', getbufvar(bnr, 'var_num'))
+ call assert_equal('1234', getbufvar(bnr, 'var_num', def_num))
+
+ let bd = getbufvar(bnr, '')
+ call assert_equal('1234', bd['var_num'])
+ call assert_true(exists("bd['changedtick']"))
+ call assert_equal(2, len(bd))
+
+ let bd2 = getbufvar(bnr, '', def_num)
+ call assert_equal(bd, bd2)
+
+ unlet b:var_num
+ call assert_equal(def_num, getbufvar(bnr, 'var_num', def_num))
+ call assert_equal('', getbufvar(bnr, 'var_num'))
+
+ let bd = getbufvar(bnr, '')
+ call assert_equal(1, len(bd))
+ let bd = getbufvar(bnr, '',def_num)
+ call assert_equal(1, len(bd))
+
+ call assert_equal('', getbufvar(9, ''))
+ call assert_equal(def_num, getbufvar(9, '', def_num))
+ unlet def_num
+
+ call assert_equal(0, getbufvar(1, '&autoindent'))
+ call assert_equal(0, getbufvar(1, '&autoindent', 1))
+
+ " Open new window with forced option values
+ set fileformats=unix,dos
+ new ++ff=dos ++bin ++enc=iso-8859-2
+ call assert_equal('dos', getbufvar(bufnr('%'), '&fileformat'))
+ call assert_equal(1, getbufvar(bufnr('%'), '&bin'))
+ call assert_equal('iso-8859-2', getbufvar(bufnr('%'), '&fenc'))
+ close
+
+ set fileformats&
+endfunc