mirrors/neovim
1
0
Fork 0
mirror of https://github.com/neovim/neovim.git synced 2025-10-06 01:46:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

API: fix cursor position when lines are added #9961

Browse Source 
Restore code removed in #9674.
This commit is contained in:
hashinclude
2019-05-07 09:17:05 +02:00
committed by Justin M. Keyes
parent b3adfa03b7
commit 400ee59247
2 changed files with 56 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
test/functional/api/buffer_spec.lua
View File

@@ -39,6 +39,41 @@ describe('api/buf', function()
eq(1, curbuf_depr('line_count'))
end)
it('cursor position is maintained after lines are inserted #9961', function()
-- replace the buffer contents with these three lines.
request('nvim_buf_set_lines', 0, 0, -1, 1, {"line1", "line2", "line3", "line4"})
-- Set the current cursor to {3, 2}.
curwin('set_cursor', {3, 2})
-- add 2 lines and delete 1 line above the current cursor position.
request('nvim_buf_set_lines', 0, 1, 2, 1, {"line5", "line6"})
-- check the current set of lines in the buffer.
eq({"line1", "line5", "line6", "line3", "line4"}, buffer('get_lines', 0, 0, -1, 1))
-- cursor should be moved below by 1 line.
eq({4, 2}, curwin('get_cursor'))
-- add a line after the current cursor position.
request('nvim_buf_set_lines', 0, 5, 5, 1, {"line7"})
-- check the current set of lines in the buffer.
eq({"line1", "line5", "line6", "line3", "line4", "line7"}, buffer('get_lines', 0, 0, -1, 1))
-- cursor position is unchanged.
eq({4, 2}, curwin('get_cursor'))
-- overwrite current cursor line.
request('nvim_buf_set_lines', 0, 3, 5, 1, {"line8", "line9"})
-- check the current set of lines in the buffer.
eq({"line1", "line5", "line6", "line8", "line9", "line7"}, buffer('get_lines', 0, 0, -1, 1))
-- cursor position is unchanged.
eq({4, 2}, curwin('get_cursor'))
-- delete current cursor line.
request('nvim_buf_set_lines', 0, 3, 5, 1, {})
-- check the current set of lines in the buffer.
eq({"line1", "line5", "line6", "line7"}, buffer('get_lines', 0, 0, -1, 1))
-- cursor position is unchanged.
eq({4, 2}, curwin('get_cursor'))
end)
it('line_count has defined behaviour for unloaded buffers', function()
-- we'll need to know our bufnr for when it gets unloaded
local bufnr = curbuf('get_number')