refactor nvim_buf_set_lines to use extmark_splice

1 files changed, 23 insertions, 0 deletions

diff --git a/test/functional/lua/buffer_updates_spec.lua b/test/functional/lua/buffer_updates_spec.lua
index d4c65eae5b..bd7f0b9cdd 100644
--- a/test/functional/lua/buffer_updates_spec.lua
+++ b/test/functional/lua/buffer_updates_spec.lua
@@ -958,6 +958,29 @@ describe('lua: nvim_buf_attach on_bytes', function()
       }
     end)
 
+    it("nvim_buf_set_lines", function()
+      local check_events = setup_eventcheck(verify, {"AAA", "BBB"})
+
+      -- delete
+      command("lua vim.api.nvim_buf_set_lines(0, 0, 1, true, {})")
+
+      check_events {
+        { "test1", "bytes", 1, 3, 0, 0, 0, 1, 0, 4, 0, 0, 0 };
+      }
+
+      -- add
+      command("lua vim.api.nvim_buf_set_lines(0, 0, 0, true, {'asdf'})")
+      check_events {
+        { "test1", "bytes", 1, 4, 0, 0, 0, 0, 0, 0, 1, 0, 5 };
+      }
+
+      -- replace
+      command("lua vim.api.nvim_buf_set_lines(0, 0, 1, true, {'asdf', 'fdsa'})")
+      check_events {
+        { "test1", "bytes", 1, 5, 0, 0, 0, 1, 0, 5, 2, 0, 10 };
+      }
+    end)
+
     teardown(function()
       os.remove "Xtest-reload"
       os.remove "Xtest-undofile"