diff options
| -rw-r--r-- | test/functional/eval/changedtick_spec.lua | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/functional/eval/changedtick_spec.lua b/test/functional/eval/changedtick_spec.lua index 1caff375bd..ede03ff3e9 100644 --- a/test/functional/eval/changedtick_spec.lua +++ b/test/functional/eval/changedtick_spec.lua @@ -119,4 +119,26 @@ describe('b:changedtick', function() feed(':echo b:<Tab><Home>let cmdline="<End>"<CR>') eq('echo b:changedtick', meths.get_var('cmdline')) end) + it('cannot be changed by filter() or map()', function() + eq(2, changedtick()) + eq('\nE795: Cannot delete variable filter() argument', + redir_exec('call filter(b:, 0)')) + eq('\nE742: Cannot change value of map() argument', + redir_exec('call map(b:, 0)')) + eq('\nE742: Cannot change value of map() argument', + redir_exec('call map(b:, "v:val")')) + eq(2, changedtick()) + end) + it('cannot be remove()d', function() + eq(2, changedtick()) + eq('\nE795: Cannot delete variable remove() argument', + redir_exec('call remove(b:, "changedtick")')) + eq(2, changedtick()) + end) + it('does not inherit VAR_FIXED when copying dictionary over', function() + eq(2, changedtick()) + eq('', redir_exec('let d1 = copy(b:)|let d1.changedtick = 42')) + eq('', redir_exec('let d2 = copy(b:)|unlet d2.changedtick')) + eq(2, changedtick()) + end) end) |