diff options
Diffstat (limited to 'test/functional/api/buffer_spec.lua')
| -rw-r--r-- | test/functional/api/buffer_spec.lua | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/functional/api/buffer_spec.lua b/test/functional/api/buffer_spec.lua index dc668e7201..8f6fc666c9 100644 --- a/test/functional/api/buffer_spec.lua +++ b/test/functional/api/buffer_spec.lua @@ -7,6 +7,7 @@ local meths = helpers.meths local funcs = helpers.funcs local request = helpers.request local exc_exec = helpers.exc_exec +local exec_lua = helpers.exec_lua local feed_command = helpers.feed_command local insert = helpers.insert local NIL = helpers.NIL @@ -565,6 +566,17 @@ describe('api/buf', function() eq('start is higher than end', pcall_err(set_text, 1, 0, 0, 0, {})) eq('start is higher than end', pcall_err(set_text, 0, 1, 0, 0, {})) end) + + it('no heap-use-after-free when called consecutively #19643', function() + set_text(0, 0, 0, 0, {'one', '', '', 'two'}) + eq({'one', '', '', 'two'}, get_lines(0, 4, true)) + meths.win_set_cursor(0, {1, 0}) + exec_lua([[ + vim.api.nvim_buf_set_text(0, 0, 3, 1, 0, {''}) + vim.api.nvim_buf_set_text(0, 0, 3, 1, 0, {''}) + ]]) + eq({'one', 'two'}, get_lines(0, 2, true)) + end) end) describe('nvim_buf_get_text', function() |