diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/functional/ui/decorations_spec.lua | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/functional/ui/decorations_spec.lua b/test/functional/ui/decorations_spec.lua index da0fb9849a..e364c473b7 100644 --- a/test/functional/ui/decorations_spec.lua +++ b/test/functional/ui/decorations_spec.lua @@ -744,6 +744,30 @@ describe('decorations providers', function() ]]) eq(2, exec_lua([[return _G.cnt]])) end) + + it('can do large changes to the marktree', function() + insert("line1 with a lot of text\nline2 with a lot of text") + setup_provider([[ + function on_do(event, _, _, row) + if event == 'win' or (event == 'line' and row == 1) then + vim.api.nvim_buf_clear_namespace(0, ns1, 0, -1) + for i = 0,1 do + for j = 0,23 do + vim.api.nvim_buf_set_extmark(0, ns1, i, j, {hl_group='ErrorMsg', end_col = j+1}) + end + end + end + end + ]]) + + -- Doesn't crash when modifying the marktree between line1 and line2 + screen:expect([[ + {2:line1 with a lot of text} | + {2:line2 with a lot of tex^t} | + {1:~ }|*5 + | + ]]) + end) end) local example_text = [[ |