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			2150 lines
		
	
	
		
			72 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			2150 lines
		
	
	
		
			72 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
local helpers = require('test.functional.helpers')(after_each)
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local Screen = require('test.functional.ui.screen')
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local clear = helpers.clear
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local eq = helpers.eq
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local ok = helpers.ok
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local describe_lua_and_rpc = helpers.describe_lua_and_rpc(describe)
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local api = helpers.api
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local fn = helpers.fn
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local request = helpers.request
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local exc_exec = helpers.exc_exec
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local exec_lua = helpers.exec_lua
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local feed_command = helpers.feed_command
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local insert = helpers.insert
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local NIL = vim.NIL
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local command = helpers.command
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local feed = helpers.feed
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local pcall_err = helpers.pcall_err
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local assert_alive = helpers.assert_alive
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describe('api/buf', function()
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  before_each(clear)
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  -- access deprecated functions
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  local function curbuf_depr(method, ...)
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    return request('buffer_' .. method, 0, ...)
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  end
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  describe('nvim_buf_set_lines, nvim_buf_line_count', function()
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    it('deprecated forms', function()
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      eq(1, curbuf_depr('line_count'))
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      curbuf_depr('insert', -1, { 'line' })
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      eq(2, curbuf_depr('line_count'))
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      curbuf_depr('insert', -1, { 'line' })
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      eq(3, curbuf_depr('line_count'))
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      curbuf_depr('del_line', -1)
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      eq(2, curbuf_depr('line_count'))
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      curbuf_depr('del_line', -1)
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      curbuf_depr('del_line', -1)
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      -- There's always at least one line
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      eq(1, curbuf_depr('line_count'))
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    end)
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    it("doesn't crash just after set undolevels=1 #24894", function()
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      local buf = api.nvim_create_buf(false, true)
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      api.nvim_buf_set_option(buf, 'undolevels', -1)
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      api.nvim_buf_set_lines(buf, 0, 1, false, {})
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      assert_alive()
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    end)
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    it('cursor position is maintained after lines are inserted #9961', function()
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      -- replace the buffer contents with these three lines.
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      api.nvim_buf_set_lines(0, 0, -1, true, { 'line1', 'line2', 'line3', 'line4' })
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      -- Set the current cursor to {3, 2}.
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      api.nvim_win_set_cursor(0, { 3, 2 })
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      -- add 2 lines and delete 1 line above the current cursor position.
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      api.nvim_buf_set_lines(0, 1, 2, true, { 'line5', 'line6' })
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      -- check the current set of lines in the buffer.
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      eq({ 'line1', 'line5', 'line6', 'line3', 'line4' }, api.nvim_buf_get_lines(0, 0, -1, true))
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      -- cursor should be moved below by 1 line.
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      eq({ 4, 2 }, api.nvim_win_get_cursor(0))
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      -- add a line after the current cursor position.
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      api.nvim_buf_set_lines(0, 5, 5, true, { 'line7' })
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      -- check the current set of lines in the buffer.
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      eq(
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        { 'line1', 'line5', 'line6', 'line3', 'line4', 'line7' },
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        api.nvim_buf_get_lines(0, 0, -1, true)
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      )
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      -- cursor position is unchanged.
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      eq({ 4, 2 }, api.nvim_win_get_cursor(0))
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      -- overwrite current cursor line.
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      api.nvim_buf_set_lines(0, 3, 5, true, { 'line8', 'line9' })
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      -- check the current set of lines in the buffer.
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      eq(
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        { 'line1', 'line5', 'line6', 'line8', 'line9', 'line7' },
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        api.nvim_buf_get_lines(0, 0, -1, true)
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      )
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      -- cursor position is unchanged.
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      eq({ 4, 2 }, api.nvim_win_get_cursor(0))
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      -- delete current cursor line.
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      api.nvim_buf_set_lines(0, 3, 5, true, {})
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      -- check the current set of lines in the buffer.
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      eq({ 'line1', 'line5', 'line6', 'line7' }, api.nvim_buf_get_lines(0, 0, -1, true))
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      -- cursor position is unchanged.
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      eq({ 4, 2 }, api.nvim_win_get_cursor(0))
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    end)
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    it('cursor position is maintained in non-current window', function()
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      api.nvim_buf_set_lines(0, 0, -1, true, { 'line1', 'line2', 'line3', 'line4' })
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      api.nvim_win_set_cursor(0, { 3, 2 })
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      local win = api.nvim_get_current_win()
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      local buf = api.nvim_get_current_buf()
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      command('new')
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      api.nvim_buf_set_lines(buf, 1, 2, true, { 'line5', 'line6' })
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      eq({ 'line1', 'line5', 'line6', 'line3', 'line4' }, api.nvim_buf_get_lines(buf, 0, -1, true))
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      eq({ 4, 2 }, api.nvim_win_get_cursor(win))
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    end)
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    it('cursor position is maintained in TWO non-current windows', function()
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      api.nvim_buf_set_lines(0, 0, -1, true, { 'line1', 'line2', 'line3', 'line4' })
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      api.nvim_win_set_cursor(0, { 3, 2 })
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      local win = api.nvim_get_current_win()
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      local buf = api.nvim_get_current_buf()
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      command('split')
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      api.nvim_win_set_cursor(0, { 4, 2 })
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      local win2 = api.nvim_get_current_win()
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      -- set current window to third one with another buffer
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      command('new')
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      api.nvim_buf_set_lines(buf, 1, 2, true, { 'line5', 'line6' })
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      eq({ 'line1', 'line5', 'line6', 'line3', 'line4' }, api.nvim_buf_get_lines(buf, 0, -1, true))
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      eq({ 4, 2 }, api.nvim_win_get_cursor(win))
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      eq({ 5, 2 }, api.nvim_win_get_cursor(win2))
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    end)
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    it('line_count has defined behaviour for unloaded buffers', function()
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      -- we'll need to know our bufnr for when it gets unloaded
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      local bufnr = api.nvim_buf_get_number(0)
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      -- replace the buffer contents with these three lines
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      api.nvim_buf_set_lines(bufnr, 0, -1, true, { 'line1', 'line2', 'line3', 'line4' })
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      -- check the line count is correct
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      eq(4, api.nvim_buf_line_count(bufnr))
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      -- force unload the buffer (this will discard changes)
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      command('new')
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      command('bunload! ' .. bufnr)
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      -- line count for an unloaded buffer should always be 0
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      eq(0, api.nvim_buf_line_count(bufnr))
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    end)
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    it('get_lines has defined behaviour for unloaded buffers', function()
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      -- we'll need to know our bufnr for when it gets unloaded
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      local bufnr = api.nvim_buf_get_number(0)
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      -- replace the buffer contents with these three lines
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      api.nvim_buf_set_lines(bufnr, 0, -1, true, { 'line1', 'line2', 'line3', 'line4' })
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      -- confirm that getting lines works
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      eq({ 'line2', 'line3' }, api.nvim_buf_get_lines(bufnr, 1, 3, true))
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      -- force unload the buffer (this will discard changes)
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      command('new')
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      command('bunload! ' .. bufnr)
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      -- attempting to get lines now always gives empty list
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      eq({}, api.nvim_buf_get_lines(bufnr, 1, 3, true))
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      -- it's impossible to get out-of-bounds errors for an unloaded buffer
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      eq({}, api.nvim_buf_get_lines(bufnr, 8888, 9999, true))
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    end)
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    describe('handles topline', function()
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      local screen
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      before_each(function()
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        screen = Screen.new(20, 12)
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        screen:set_default_attr_ids {
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          [1] = { bold = true, foreground = Screen.colors.Blue1 },
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          [2] = { reverse = true, bold = true },
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          [3] = { reverse = true },
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        }
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        screen:attach()
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        api.nvim_buf_set_lines(
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          0,
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          0,
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          -1,
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          true,
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          { 'aaa', 'bbb', 'ccc', 'ddd', 'www', 'xxx', 'yyy', 'zzz' }
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        )
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        api.nvim_set_option_value('modified', false, {})
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      end)
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      it('of current window', function()
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        local win = api.nvim_get_current_win()
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        local buf = api.nvim_get_current_buf()
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        command('new | wincmd w')
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        api.nvim_win_set_cursor(win, { 8, 0 })
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        screen:expect {
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          grid = [[
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                              |
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          {1:~                   }|*4
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          {3:[No Name]           }|
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          www                 |
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          xxx                 |
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          yyy                 |
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          ^zzz                 |
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          {2:[No Name]           }|
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                              |
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        ]],
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        }
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        api.nvim_buf_set_lines(buf, 0, 2, true, { 'aaabbb' })
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        screen:expect {
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          grid = [[
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                              |
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          {1:~                   }|*4
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          {3:[No Name]           }|
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          www                 |
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          xxx                 |
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          yyy                 |
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          ^zzz                 |
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          {2:[No Name] [+]       }|
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                              |
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        ]],
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        }
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        -- replacing topline keeps it the topline
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        api.nvim_buf_set_lines(buf, 3, 4, true, { 'wwweeee' })
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        screen:expect {
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          grid = [[
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                              |
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          {1:~                   }|*4
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          {3:[No Name]           }|
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          wwweeee             |
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          xxx                 |
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          yyy                 |
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          ^zzz                 |
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          {2:[No Name] [+]       }|
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                              |
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        ]],
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        }
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        -- inserting just before topline does not scroll up if cursor would be moved
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        api.nvim_buf_set_lines(buf, 3, 3, true, { 'mmm' })
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        screen:expect {
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          grid = [[
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                              |
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          {1:~                   }|*4
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          {3:[No Name]           }|
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          wwweeee             |
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          xxx                 |
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          yyy                 |
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          ^zzz                 |
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          {2:[No Name] [+]       }|
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                              |
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        ]],
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          unchanged = true,
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        }
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        api.nvim_win_set_cursor(0, { 7, 0 })
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        screen:expect {
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          grid = [[
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                              |
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          {1:~                   }|*4
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          {3:[No Name]           }|
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          wwweeee             |
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          xxx                 |
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          ^yyy                 |
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          zzz                 |
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          {2:[No Name] [+]       }|
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                              |
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        ]],
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        }
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        api.nvim_buf_set_lines(buf, 4, 4, true, { 'mmmeeeee' })
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        screen:expect {
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          grid = [[
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                              |
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          {1:~                   }|*4
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          {3:[No Name]           }|
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          mmmeeeee            |
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          wwweeee             |
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          xxx                 |
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          ^yyy                 |
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          {2:[No Name] [+]       }|
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                              |
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        ]],
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        }
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      end)
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      it('of non-current window', function()
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        local win = api.nvim_get_current_win()
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        local buf = api.nvim_get_current_buf()
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        command('new')
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        api.nvim_win_set_cursor(win, { 8, 0 })
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        screen:expect {
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          grid = [[
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          ^                    |
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          {1:~                   }|*4
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          {2:[No Name]           }|
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          www                 |
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          xxx                 |
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          yyy                 |
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          zzz                 |
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          {3:[No Name]           }|
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                              |
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        ]],
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        }
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        api.nvim_buf_set_lines(buf, 0, 2, true, { 'aaabbb' })
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        screen:expect {
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          grid = [[
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          ^                    |
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          {1:~                   }|*4
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          {2:[No Name]           }|
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          www                 |
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          xxx                 |
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          yyy                 |
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          zzz                 |
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          {3:[No Name] [+]       }|
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                              |
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        ]],
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        }
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        -- replacing topline keeps it the topline
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        api.nvim_buf_set_lines(buf, 3, 4, true, { 'wwweeee' })
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        screen:expect {
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          grid = [[
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          ^                    |
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          {1:~                   }|*4
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          {2:[No Name]           }|
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          wwweeee             |
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          xxx                 |
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          yyy                 |
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          zzz                 |
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          {3:[No Name] [+]       }|
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                              |
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        ]],
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        }
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        -- inserting just before topline scrolls up
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        api.nvim_buf_set_lines(buf, 3, 3, true, { 'mmm' })
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        screen:expect {
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          grid = [[
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          ^                    |
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          {1:~                   }|*4
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          {2:[No Name]           }|
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          mmm                 |
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          wwweeee             |
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          xxx                 |
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          yyy                 |
 | 
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          {3:[No Name] [+]       }|
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						|
                              |
 | 
						|
        ]],
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						|
        }
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						|
      end)
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						|
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      it('of split windows with same buffer', function()
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						|
        local win = api.nvim_get_current_win()
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						|
        local buf = api.nvim_get_current_buf()
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						|
        command('split')
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        api.nvim_win_set_cursor(win, { 8, 0 })
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						|
        api.nvim_win_set_cursor(0, { 1, 0 })
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						|
 | 
						|
        screen:expect {
 | 
						|
          grid = [[
 | 
						|
          ^aaa                 |
 | 
						|
          bbb                 |
 | 
						|
          ccc                 |
 | 
						|
          ddd                 |
 | 
						|
          www                 |
 | 
						|
          {2:[No Name]           }|
 | 
						|
          www                 |
 | 
						|
          xxx                 |
 | 
						|
          yyy                 |
 | 
						|
          zzz                 |
 | 
						|
          {3:[No Name]           }|
 | 
						|
                              |
 | 
						|
        ]],
 | 
						|
        }
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						|
        api.nvim_buf_set_lines(buf, 0, 2, true, { 'aaabbb' })
 | 
						|
 | 
						|
        screen:expect {
 | 
						|
          grid = [[
 | 
						|
          ^aaabbb              |
 | 
						|
          ccc                 |
 | 
						|
          ddd                 |
 | 
						|
          www                 |
 | 
						|
          xxx                 |
 | 
						|
          {2:[No Name] [+]       }|
 | 
						|
          www                 |
 | 
						|
          xxx                 |
 | 
						|
          yyy                 |
 | 
						|
          zzz                 |
 | 
						|
          {3:[No Name] [+]       }|
 | 
						|
                              |
 | 
						|
        ]],
 | 
						|
        }
 | 
						|
 | 
						|
        -- replacing topline keeps it the topline
 | 
						|
        api.nvim_buf_set_lines(buf, 3, 4, true, { 'wwweeee' })
 | 
						|
        screen:expect {
 | 
						|
          grid = [[
 | 
						|
          ^aaabbb              |
 | 
						|
          ccc                 |
 | 
						|
          ddd                 |
 | 
						|
          wwweeee             |
 | 
						|
          xxx                 |
 | 
						|
          {2:[No Name] [+]       }|
 | 
						|
          wwweeee             |
 | 
						|
          xxx                 |
 | 
						|
          yyy                 |
 | 
						|
          zzz                 |
 | 
						|
          {3:[No Name] [+]       }|
 | 
						|
                              |
 | 
						|
        ]],
 | 
						|
        }
 | 
						|
 | 
						|
        -- inserting just before topline scrolls up
 | 
						|
        api.nvim_buf_set_lines(buf, 3, 3, true, { 'mmm' })
 | 
						|
        screen:expect {
 | 
						|
          grid = [[
 | 
						|
          ^aaabbb              |
 | 
						|
          ccc                 |
 | 
						|
          ddd                 |
 | 
						|
          mmm                 |
 | 
						|
          wwweeee             |
 | 
						|
          {2:[No Name] [+]       }|
 | 
						|
          mmm                 |
 | 
						|
          wwweeee             |
 | 
						|
          xxx                 |
 | 
						|
          yyy                 |
 | 
						|
          {3:[No Name] [+]       }|
 | 
						|
                              |
 | 
						|
        ]],
 | 
						|
        }
 | 
						|
      end)
 | 
						|
    end)
 | 
						|
 | 
						|
    it('handles clearing out non-current buffer #24911', function()
 | 
						|
      local buf = api.nvim_get_current_buf()
 | 
						|
      api.nvim_buf_set_lines(buf, 0, -1, true, { 'aaa', 'bbb', 'ccc' })
 | 
						|
      command('new')
 | 
						|
 | 
						|
      api.nvim_buf_set_lines(0, 0, -1, true, { 'xxx', 'yyy', 'zzz' })
 | 
						|
 | 
						|
      api.nvim_buf_set_lines(buf, 0, -1, true, {})
 | 
						|
      eq({ 'xxx', 'yyy', 'zzz' }, api.nvim_buf_get_lines(0, 0, -1, true))
 | 
						|
      eq({ '' }, api.nvim_buf_get_lines(buf, 0, -1, true))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('deprecated: {get,set,del}_line', function()
 | 
						|
    it('works', function()
 | 
						|
      eq('', curbuf_depr('get_line', 0))
 | 
						|
      curbuf_depr('set_line', 0, 'line1')
 | 
						|
      eq('line1', curbuf_depr('get_line', 0))
 | 
						|
      curbuf_depr('set_line', 0, 'line2')
 | 
						|
      eq('line2', curbuf_depr('get_line', 0))
 | 
						|
      curbuf_depr('del_line', 0)
 | 
						|
      eq('', curbuf_depr('get_line', 0))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('get_line: out-of-bounds is an error', function()
 | 
						|
      curbuf_depr('set_line', 0, 'line1.a')
 | 
						|
      eq(1, curbuf_depr('line_count')) -- sanity
 | 
						|
      eq(false, pcall(curbuf_depr, 'get_line', 1))
 | 
						|
      eq(false, pcall(curbuf_depr, 'get_line', -2))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('set_line, del_line: out-of-bounds is an error', function()
 | 
						|
      curbuf_depr('set_line', 0, 'line1.a')
 | 
						|
      eq(false, pcall(curbuf_depr, 'set_line', 1, 'line1.b'))
 | 
						|
      eq(false, pcall(curbuf_depr, 'set_line', -2, 'line1.b'))
 | 
						|
      eq(false, pcall(curbuf_depr, 'del_line', 2))
 | 
						|
      eq(false, pcall(curbuf_depr, 'del_line', -3))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('can handle NULs', function()
 | 
						|
      curbuf_depr('set_line', 0, 'ab\0cd')
 | 
						|
      eq('ab\0cd', curbuf_depr('get_line', 0))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('deprecated: {get,set}_line_slice', function()
 | 
						|
    it('get_line_slice: out-of-bounds returns empty array', function()
 | 
						|
      curbuf_depr('set_line_slice', 0, 0, true, true, { 'a', 'b', 'c' })
 | 
						|
      eq({ 'a', 'b', 'c' }, curbuf_depr('get_line_slice', 0, 2, true, true)) --sanity
 | 
						|
 | 
						|
      eq({}, curbuf_depr('get_line_slice', 2, 3, false, true))
 | 
						|
      eq({}, curbuf_depr('get_line_slice', 3, 9, true, true))
 | 
						|
      eq({}, curbuf_depr('get_line_slice', 3, -1, true, true))
 | 
						|
      eq({}, curbuf_depr('get_line_slice', -3, -4, false, true))
 | 
						|
      eq({}, curbuf_depr('get_line_slice', -4, -5, true, true))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('set_line_slice: out-of-bounds extends past end', function()
 | 
						|
      curbuf_depr('set_line_slice', 0, 0, true, true, { 'a', 'b', 'c' })
 | 
						|
      eq({ 'a', 'b', 'c' }, curbuf_depr('get_line_slice', 0, 2, true, true)) --sanity
 | 
						|
 | 
						|
      eq({ 'c' }, curbuf_depr('get_line_slice', -1, 4, true, true))
 | 
						|
      eq({ 'a', 'b', 'c' }, curbuf_depr('get_line_slice', 0, 5, true, true))
 | 
						|
      curbuf_depr('set_line_slice', 4, 5, true, true, { 'd' })
 | 
						|
      eq({ 'a', 'b', 'c', 'd' }, curbuf_depr('get_line_slice', 0, 5, true, true))
 | 
						|
      curbuf_depr('set_line_slice', -4, -5, true, true, { 'e' })
 | 
						|
      eq({ 'e', 'a', 'b', 'c', 'd' }, curbuf_depr('get_line_slice', 0, 5, true, true))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('works', function()
 | 
						|
      eq({ '' }, curbuf_depr('get_line_slice', 0, -1, true, true))
 | 
						|
      -- Replace buffer
 | 
						|
      curbuf_depr('set_line_slice', 0, -1, true, true, { 'a', 'b', 'c' })
 | 
						|
      eq({ 'a', 'b', 'c' }, curbuf_depr('get_line_slice', 0, -1, true, true))
 | 
						|
      eq({ 'b', 'c' }, curbuf_depr('get_line_slice', 1, -1, true, true))
 | 
						|
      eq({ 'b' }, curbuf_depr('get_line_slice', 1, 2, true, false))
 | 
						|
      eq({}, curbuf_depr('get_line_slice', 1, 1, true, false))
 | 
						|
      eq({ 'a', 'b' }, curbuf_depr('get_line_slice', 0, -1, true, false))
 | 
						|
      eq({ 'b' }, curbuf_depr('get_line_slice', 1, -1, true, false))
 | 
						|
      eq({ 'b', 'c' }, curbuf_depr('get_line_slice', -2, -1, true, true))
 | 
						|
      curbuf_depr('set_line_slice', 1, 2, true, false, { 'a', 'b', 'c' })
 | 
						|
      eq({ 'a', 'a', 'b', 'c', 'c' }, curbuf_depr('get_line_slice', 0, -1, true, true))
 | 
						|
      curbuf_depr('set_line_slice', -1, -1, true, true, { 'a', 'b', 'c' })
 | 
						|
      eq({ 'a', 'a', 'b', 'c', 'a', 'b', 'c' }, curbuf_depr('get_line_slice', 0, -1, true, true))
 | 
						|
      curbuf_depr('set_line_slice', 0, -3, true, false, {})
 | 
						|
      eq({ 'a', 'b', 'c' }, curbuf_depr('get_line_slice', 0, -1, true, true))
 | 
						|
      curbuf_depr('set_line_slice', 0, -1, true, true, {})
 | 
						|
      eq({ '' }, curbuf_depr('get_line_slice', 0, -1, true, true))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe_lua_and_rpc('nvim_buf_get_lines, nvim_buf_set_lines', function(lua_or_rpc)
 | 
						|
    local function get_lines(...)
 | 
						|
      return lua_or_rpc.nvim_buf_get_lines(0, ...)
 | 
						|
    end
 | 
						|
 | 
						|
    local function set_lines(...)
 | 
						|
      return lua_or_rpc.nvim_buf_set_lines(0, ...)
 | 
						|
    end
 | 
						|
 | 
						|
    local function line_count()
 | 
						|
      return lua_or_rpc.nvim_buf_line_count(0)
 | 
						|
    end
 | 
						|
 | 
						|
    it('fails correctly when input is not valid', function()
 | 
						|
      eq(1, lua_or_rpc.nvim_buf_get_number(0))
 | 
						|
      eq(
 | 
						|
        [['replacement string' item contains newlines]],
 | 
						|
        pcall_err(lua_or_rpc.nvim_buf_set_lines, 1, 1, 2, false, { 'b\na' })
 | 
						|
      )
 | 
						|
    end)
 | 
						|
 | 
						|
    it("fails if 'nomodifiable'", function()
 | 
						|
      command('set nomodifiable')
 | 
						|
      eq(
 | 
						|
        [[Buffer is not 'modifiable']],
 | 
						|
        pcall_err(lua_or_rpc.nvim_buf_set_lines, 1, 1, 2, false, { 'a', 'b' })
 | 
						|
      )
 | 
						|
    end)
 | 
						|
 | 
						|
    it('has correct line_count when inserting and deleting', function()
 | 
						|
      eq(1, line_count())
 | 
						|
      set_lines(-1, -1, true, { 'line' })
 | 
						|
      eq(2, line_count())
 | 
						|
      set_lines(-1, -1, true, { 'line' })
 | 
						|
      eq(3, line_count())
 | 
						|
      set_lines(-2, -1, true, {})
 | 
						|
      eq(2, line_count())
 | 
						|
      set_lines(-2, -1, true, {})
 | 
						|
      set_lines(-2, -1, true, {})
 | 
						|
      -- There's always at least one line
 | 
						|
      eq(1, line_count())
 | 
						|
    end)
 | 
						|
 | 
						|
    it('can get, set and delete a single line', function()
 | 
						|
      eq({ '' }, get_lines(0, 1, true))
 | 
						|
      set_lines(0, 1, true, { 'line1' })
 | 
						|
      eq({ 'line1' }, get_lines(0, 1, true))
 | 
						|
      set_lines(0, 1, true, { 'line2' })
 | 
						|
      eq({ 'line2' }, get_lines(0, 1, true))
 | 
						|
      set_lines(0, 1, true, {})
 | 
						|
      eq({ '' }, get_lines(0, 1, true))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('can get a single line with strict indexing', function()
 | 
						|
      set_lines(0, 1, true, { 'line1.a' })
 | 
						|
      eq(1, line_count()) -- sanity
 | 
						|
      eq('Index out of bounds', pcall_err(get_lines, 1, 2, true))
 | 
						|
      eq('Index out of bounds', pcall_err(get_lines, -3, -2, true))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('can get a single line with non-strict indexing', function()
 | 
						|
      set_lines(0, 1, true, { 'line1.a' })
 | 
						|
      eq(1, line_count()) -- sanity
 | 
						|
      eq({}, get_lines(1, 2, false))
 | 
						|
      eq({}, get_lines(-3, -2, false))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('can set and delete a single line with strict indexing', function()
 | 
						|
      set_lines(0, 1, true, { 'line1.a' })
 | 
						|
      eq('Index out of bounds', pcall_err(set_lines, 1, 2, true, { 'line1.b' }))
 | 
						|
      eq('Index out of bounds', pcall_err(set_lines, -3, -2, true, { 'line1.c' }))
 | 
						|
      eq({ 'line1.a' }, get_lines(0, -1, true))
 | 
						|
      eq('Index out of bounds', pcall_err(set_lines, 1, 2, true, {}))
 | 
						|
      eq('Index out of bounds', pcall_err(set_lines, -3, -2, true, {}))
 | 
						|
      eq({ 'line1.a' }, get_lines(0, -1, true))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('can set and delete a single line with non-strict indexing', function()
 | 
						|
      set_lines(0, 1, true, { 'line1.a' })
 | 
						|
      set_lines(1, 2, false, { 'line1.b' })
 | 
						|
      set_lines(-4, -3, false, { 'line1.c' })
 | 
						|
      eq({ 'line1.c', 'line1.a', 'line1.b' }, get_lines(0, -1, true))
 | 
						|
      set_lines(3, 4, false, {})
 | 
						|
      set_lines(-5, -4, false, {})
 | 
						|
      eq({ 'line1.c', 'line1.a', 'line1.b' }, get_lines(0, -1, true))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('can handle NULs', function()
 | 
						|
      set_lines(0, 1, true, { 'ab\0cd' })
 | 
						|
      eq({ 'ab\0cd' }, get_lines(0, -1, true))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('works with multiple lines', function()
 | 
						|
      eq({ '' }, get_lines(0, -1, true))
 | 
						|
      -- Replace buffer
 | 
						|
      for _, mode in pairs({ false, true }) do
 | 
						|
        set_lines(0, -1, mode, { 'a', 'b', 'c' })
 | 
						|
        eq({ 'a', 'b', 'c' }, get_lines(0, -1, mode))
 | 
						|
        eq({ 'b', 'c' }, get_lines(1, -1, mode))
 | 
						|
        eq({ 'b' }, get_lines(1, 2, mode))
 | 
						|
        eq({}, get_lines(1, 1, mode))
 | 
						|
        eq({ 'a', 'b' }, get_lines(0, -2, mode))
 | 
						|
        eq({ 'b' }, get_lines(1, -2, mode))
 | 
						|
        eq({ 'b', 'c' }, get_lines(-3, -1, mode))
 | 
						|
        set_lines(1, 2, mode, { 'a', 'b', 'c' })
 | 
						|
        eq({ 'a', 'a', 'b', 'c', 'c' }, get_lines(0, -1, mode))
 | 
						|
        set_lines(-2, -1, mode, { 'a', 'b', 'c' })
 | 
						|
        eq({ 'a', 'a', 'b', 'c', 'a', 'b', 'c' }, get_lines(0, -1, mode))
 | 
						|
        set_lines(0, -4, mode, {})
 | 
						|
        eq({ 'a', 'b', 'c' }, get_lines(0, -1, mode))
 | 
						|
        set_lines(0, -1, mode, {})
 | 
						|
        eq({ '' }, get_lines(0, -1, mode))
 | 
						|
      end
 | 
						|
    end)
 | 
						|
 | 
						|
    it('can get line ranges with non-strict indexing', function()
 | 
						|
      set_lines(0, -1, true, { 'a', 'b', 'c' })
 | 
						|
      eq({ 'a', 'b', 'c' }, get_lines(0, -1, true)) --sanity
 | 
						|
 | 
						|
      eq({}, get_lines(3, 4, false))
 | 
						|
      eq({}, get_lines(3, 10, false))
 | 
						|
      eq({}, get_lines(-5, -5, false))
 | 
						|
      eq({}, get_lines(3, -1, false))
 | 
						|
      eq({}, get_lines(-3, -4, false))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('can get line ranges with strict indexing', function()
 | 
						|
      set_lines(0, -1, true, { 'a', 'b', 'c' })
 | 
						|
      eq({ 'a', 'b', 'c' }, get_lines(0, -1, true)) --sanity
 | 
						|
 | 
						|
      eq('Index out of bounds', pcall_err(get_lines, 3, 4, true))
 | 
						|
      eq('Index out of bounds', pcall_err(get_lines, 3, 10, true))
 | 
						|
      eq('Index out of bounds', pcall_err(get_lines, -5, -5, true))
 | 
						|
      -- empty or inverted ranges are not errors
 | 
						|
      eq({}, get_lines(3, -1, true))
 | 
						|
      eq({}, get_lines(-3, -4, true))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('set_lines: out-of-bounds can extend past end', function()
 | 
						|
      set_lines(0, -1, true, { 'a', 'b', 'c' })
 | 
						|
      eq({ 'a', 'b', 'c' }, get_lines(0, -1, true)) --sanity
 | 
						|
 | 
						|
      eq({ 'c' }, get_lines(-2, 5, false))
 | 
						|
      eq({ 'a', 'b', 'c' }, get_lines(0, 6, false))
 | 
						|
      eq('Index out of bounds', pcall_err(set_lines, 4, 6, true, { 'd' }))
 | 
						|
      set_lines(4, 6, false, { 'd' })
 | 
						|
      eq({ 'a', 'b', 'c', 'd' }, get_lines(0, -1, true))
 | 
						|
      eq('Index out of bounds', pcall_err(set_lines, -6, -6, true, { 'e' }))
 | 
						|
      set_lines(-6, -6, false, { 'e' })
 | 
						|
      eq({ 'e', 'a', 'b', 'c', 'd' }, get_lines(0, -1, true))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('set_lines on alternate buffer does not access invalid line (E315)', function()
 | 
						|
      feed_command('set hidden')
 | 
						|
      insert('Initial file')
 | 
						|
      command('enew')
 | 
						|
      insert([[
 | 
						|
      More
 | 
						|
      Lines
 | 
						|
      Than
 | 
						|
      In
 | 
						|
      The
 | 
						|
      Other
 | 
						|
      Buffer]])
 | 
						|
      feed_command('$')
 | 
						|
      local retval = exc_exec("call nvim_buf_set_lines(1, 0, 1, v:false, ['test'])")
 | 
						|
      eq(0, retval)
 | 
						|
    end)
 | 
						|
 | 
						|
    it("set_lines of invisible buffer doesn't move cursor in current window", function()
 | 
						|
      local screen = Screen.new(20, 5)
 | 
						|
      screen:set_default_attr_ids({
 | 
						|
        [1] = { bold = true, foreground = Screen.colors.Blue1 },
 | 
						|
        [2] = { bold = true },
 | 
						|
      })
 | 
						|
      screen:attach()
 | 
						|
 | 
						|
      insert([[
 | 
						|
        Who would win?
 | 
						|
        A real window
 | 
						|
        with proper text]])
 | 
						|
      local buf = lua_or_rpc.nvim_create_buf(false, true)
 | 
						|
      screen:expect([[
 | 
						|
        Who would win?      |
 | 
						|
        A real window       |
 | 
						|
        with proper tex^t    |
 | 
						|
        {1:~                   }|
 | 
						|
                            |
 | 
						|
      ]])
 | 
						|
 | 
						|
      lua_or_rpc.nvim_buf_set_lines(buf, 0, -1, true, { 'or some', 'scratchy text' })
 | 
						|
      feed('i') -- provoke redraw
 | 
						|
      screen:expect([[
 | 
						|
        Who would win?      |
 | 
						|
        A real window       |
 | 
						|
        with proper tex^t    |
 | 
						|
        {1:~                   }|
 | 
						|
        {2:-- INSERT --}        |
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
 | 
						|
    it('set_lines on hidden buffer preserves "previous window" #9741', function()
 | 
						|
      insert([[
 | 
						|
        visible buffer line 1
 | 
						|
        line 2
 | 
						|
      ]])
 | 
						|
      local hiddenbuf = lua_or_rpc.nvim_create_buf(false, true)
 | 
						|
      command('vsplit')
 | 
						|
      command('vsplit')
 | 
						|
      feed('<c-w>l<c-w>l<c-w>l')
 | 
						|
      eq(3, fn.winnr())
 | 
						|
      feed('<c-w>h')
 | 
						|
      eq(2, fn.winnr())
 | 
						|
      lua_or_rpc.nvim_buf_set_lines(hiddenbuf, 0, -1, true, { 'hidden buffer line 1', 'line 2' })
 | 
						|
      feed('<c-w>p')
 | 
						|
      eq(3, fn.winnr())
 | 
						|
    end)
 | 
						|
 | 
						|
    it('set_lines on unloaded buffer #8659 #22670', function()
 | 
						|
      local bufnr = api.nvim_get_current_buf()
 | 
						|
      lua_or_rpc.nvim_buf_set_lines(bufnr, 0, -1, false, { 'a', 'b', 'c' })
 | 
						|
      lua_or_rpc.nvim_buf_set_name(bufnr, 'set_lines')
 | 
						|
      finally(function()
 | 
						|
        os.remove('set_lines')
 | 
						|
      end)
 | 
						|
      command('write!')
 | 
						|
      command('new')
 | 
						|
      command('bunload! ' .. bufnr)
 | 
						|
      local new_bufnr = fn.bufnr('set_lines', true)
 | 
						|
      lua_or_rpc.nvim_buf_set_lines(new_bufnr, 0, -1, false, {})
 | 
						|
      eq({ '' }, lua_or_rpc.nvim_buf_get_lines(new_bufnr, 0, -1, false))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_set_text', function()
 | 
						|
    local function get_lines(...)
 | 
						|
      return api.nvim_buf_get_lines(0, ...)
 | 
						|
    end
 | 
						|
 | 
						|
    local function set_text(...)
 | 
						|
      return api.nvim_buf_set_text(0, ...)
 | 
						|
    end
 | 
						|
 | 
						|
    it('works', function()
 | 
						|
      insert([[
 | 
						|
      hello foo!
 | 
						|
      text
 | 
						|
      ]])
 | 
						|
 | 
						|
      eq({ 'hello foo!' }, get_lines(0, 1, true))
 | 
						|
 | 
						|
      -- can replace a single word
 | 
						|
      set_text(0, 6, 0, 9, { 'world' })
 | 
						|
      eq({ 'hello world!', 'text' }, get_lines(0, 2, true))
 | 
						|
 | 
						|
      -- can insert text
 | 
						|
      set_text(0, 0, 0, 0, { 'well ' })
 | 
						|
      eq({ 'well hello world!', 'text' }, get_lines(0, 2, true))
 | 
						|
 | 
						|
      -- can delete text
 | 
						|
      set_text(0, 0, 0, 5, { '' })
 | 
						|
      eq({ 'hello world!', 'text' }, get_lines(0, 2, true))
 | 
						|
 | 
						|
      -- can replace with multiple lines
 | 
						|
      set_text(0, 6, 0, 11, { 'foo', 'wo', 'more' })
 | 
						|
      eq({ 'hello foo', 'wo', 'more!', 'text' }, get_lines(0, 4, true))
 | 
						|
 | 
						|
      -- will join multiple lines if needed
 | 
						|
      set_text(0, 6, 3, 4, { 'bar' })
 | 
						|
      eq({ 'hello bar' }, get_lines(0, 1, true))
 | 
						|
 | 
						|
      -- can use negative line numbers
 | 
						|
      set_text(-2, 0, -2, 5, { 'goodbye' })
 | 
						|
      eq({ 'goodbye bar', '' }, get_lines(0, -1, true))
 | 
						|
 | 
						|
      set_text(-1, 0, -1, 0, { 'text' })
 | 
						|
      eq({ 'goodbye bar', 'text' }, get_lines(0, 2, true))
 | 
						|
 | 
						|
      -- can append to a line
 | 
						|
      set_text(1, 4, -1, 4, { ' and', 'more' })
 | 
						|
      eq({ 'goodbye bar', 'text and', 'more' }, get_lines(0, 3, true))
 | 
						|
 | 
						|
      -- can use negative column numbers
 | 
						|
      set_text(0, -5, 0, -1, { '!' })
 | 
						|
      eq({ 'goodbye!' }, get_lines(0, 1, true))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('works with undo', function()
 | 
						|
      insert([[
 | 
						|
        hello world!
 | 
						|
        foo bar
 | 
						|
        ]])
 | 
						|
 | 
						|
      -- setting text
 | 
						|
      set_text(0, 0, 0, 0, { 'well ' })
 | 
						|
      feed('u')
 | 
						|
      eq({ 'hello world!' }, get_lines(0, 1, true))
 | 
						|
 | 
						|
      -- deleting text
 | 
						|
      set_text(0, 0, 0, 6, { '' })
 | 
						|
      feed('u')
 | 
						|
      eq({ 'hello world!' }, get_lines(0, 1, true))
 | 
						|
 | 
						|
      -- inserting newlines
 | 
						|
      set_text(0, 0, 0, 0, { 'hello', 'mr ' })
 | 
						|
      feed('u')
 | 
						|
      eq({ 'hello world!' }, get_lines(0, 1, true))
 | 
						|
 | 
						|
      -- deleting newlines
 | 
						|
      set_text(0, 0, 1, 4, { 'hello' })
 | 
						|
      feed('u')
 | 
						|
      eq({ 'hello world!' }, get_lines(0, 1, true))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('updates the cursor position', function()
 | 
						|
      insert([[
 | 
						|
      hello world!
 | 
						|
      ]])
 | 
						|
 | 
						|
      -- position the cursor on `!`
 | 
						|
      api.nvim_win_set_cursor(0, { 1, 11 })
 | 
						|
      -- replace 'world' with 'foo'
 | 
						|
      set_text(0, 6, 0, 11, { 'foo' })
 | 
						|
      eq('hello foo!', curbuf_depr('get_line', 0))
 | 
						|
      -- cursor should be moved left by two columns (replacement is shorter by 2 chars)
 | 
						|
      eq({ 1, 9 }, api.nvim_win_get_cursor(0))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('updates the cursor position in non-current window', function()
 | 
						|
      insert([[
 | 
						|
      hello world!]])
 | 
						|
 | 
						|
      -- position the cursor on `!`
 | 
						|
      api.nvim_win_set_cursor(0, { 1, 11 })
 | 
						|
 | 
						|
      local win = api.nvim_get_current_win()
 | 
						|
      local buf = api.nvim_get_current_buf()
 | 
						|
 | 
						|
      command('new')
 | 
						|
 | 
						|
      -- replace 'world' with 'foo'
 | 
						|
      api.nvim_buf_set_text(buf, 0, 6, 0, 11, { 'foo' })
 | 
						|
      eq({ 'hello foo!' }, api.nvim_buf_get_lines(buf, 0, -1, true))
 | 
						|
      -- cursor should be moved left by two columns (replacement is shorter by 2 chars)
 | 
						|
      eq({ 1, 9 }, api.nvim_win_get_cursor(win))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('updates the cursor position in TWO non-current windows', function()
 | 
						|
      insert([[
 | 
						|
      hello world!]])
 | 
						|
 | 
						|
      -- position the cursor on `!`
 | 
						|
      api.nvim_win_set_cursor(0, { 1, 11 })
 | 
						|
      local win = api.nvim_get_current_win()
 | 
						|
      local buf = api.nvim_get_current_buf()
 | 
						|
 | 
						|
      command('split')
 | 
						|
      local win2 = api.nvim_get_current_win()
 | 
						|
      -- position the cursor on `w`
 | 
						|
      api.nvim_win_set_cursor(0, { 1, 6 })
 | 
						|
 | 
						|
      command('new')
 | 
						|
 | 
						|
      -- replace 'hello' with 'foo'
 | 
						|
      api.nvim_buf_set_text(buf, 0, 0, 0, 5, { 'foo' })
 | 
						|
      eq({ 'foo world!' }, api.nvim_buf_get_lines(buf, 0, -1, true))
 | 
						|
 | 
						|
      -- both cursors should be moved left by two columns (replacement is shorter by 2 chars)
 | 
						|
      eq({ 1, 9 }, api.nvim_win_get_cursor(win))
 | 
						|
      eq({ 1, 4 }, api.nvim_win_get_cursor(win2))
 | 
						|
    end)
 | 
						|
 | 
						|
    describe('when text is being added right at cursor position #22526', function()
 | 
						|
      it('updates the cursor position in NORMAL mode', function()
 | 
						|
        insert([[
 | 
						|
        abcd]])
 | 
						|
 | 
						|
        -- position the cursor on 'c'
 | 
						|
        api.nvim_win_set_cursor(0, { 1, 2 })
 | 
						|
        -- add 'xxx' before 'c'
 | 
						|
        set_text(0, 2, 0, 2, { 'xxx' })
 | 
						|
        eq({ 'abxxxcd' }, get_lines(0, -1, true))
 | 
						|
        -- cursor should be on 'c'
 | 
						|
        eq({ 1, 5 }, api.nvim_win_get_cursor(0))
 | 
						|
      end)
 | 
						|
 | 
						|
      it('updates the cursor position only in non-current window when in INSERT mode', function()
 | 
						|
        insert([[
 | 
						|
        abcd]])
 | 
						|
 | 
						|
        -- position the cursor on 'c'
 | 
						|
        api.nvim_win_set_cursor(0, { 1, 2 })
 | 
						|
        -- open vertical split
 | 
						|
        feed('<c-w>v')
 | 
						|
        -- get into INSERT mode to treat cursor
 | 
						|
        -- as being after 'b', not on 'c'
 | 
						|
        feed('i')
 | 
						|
        -- add 'xxx' between 'b' and 'c'
 | 
						|
        set_text(0, 2, 0, 2, { 'xxx' })
 | 
						|
        eq({ 'abxxxcd' }, get_lines(0, -1, true))
 | 
						|
        -- in the current window cursor should stay after 'b'
 | 
						|
        eq({ 1, 2 }, api.nvim_win_get_cursor(0))
 | 
						|
        -- quit INSERT mode
 | 
						|
        feed('<esc>')
 | 
						|
        -- close current window
 | 
						|
        feed('<c-w>c')
 | 
						|
        -- in another window cursor should be on 'c'
 | 
						|
        eq({ 1, 5 }, api.nvim_win_get_cursor(0))
 | 
						|
      end)
 | 
						|
    end)
 | 
						|
 | 
						|
    describe('when text is being deleted right at cursor position', function()
 | 
						|
      it('leaves cursor at the same position in NORMAL mode', function()
 | 
						|
        insert([[
 | 
						|
        abcd]])
 | 
						|
 | 
						|
        -- position the cursor on 'b'
 | 
						|
        api.nvim_win_set_cursor(0, { 1, 1 })
 | 
						|
        -- delete 'b'
 | 
						|
        set_text(0, 1, 0, 2, {})
 | 
						|
        eq({ 'acd' }, get_lines(0, -1, true))
 | 
						|
        -- cursor is now on 'c'
 | 
						|
        eq({ 1, 1 }, api.nvim_win_get_cursor(0))
 | 
						|
      end)
 | 
						|
 | 
						|
      it('maintains INSERT-mode cursor position current/non-current window', function()
 | 
						|
        insert([[
 | 
						|
        abcd]])
 | 
						|
 | 
						|
        -- position the cursor on 'b'
 | 
						|
        api.nvim_win_set_cursor(0, { 1, 1 })
 | 
						|
        -- open vertical split
 | 
						|
        feed('<c-w>v')
 | 
						|
        -- get into INSERT mode to treat cursor
 | 
						|
        -- as being after 'a', not on 'b'
 | 
						|
        feed('i')
 | 
						|
        -- delete 'b'
 | 
						|
        set_text(0, 1, 0, 2, {})
 | 
						|
        eq({ 'acd' }, get_lines(0, -1, true))
 | 
						|
        -- cursor in the current window should stay after 'a'
 | 
						|
        eq({ 1, 1 }, api.nvim_win_get_cursor(0))
 | 
						|
        -- quit INSERT mode
 | 
						|
        feed('<esc>')
 | 
						|
        -- close current window
 | 
						|
        feed('<c-w>c')
 | 
						|
        -- cursor in non-current window should stay on 'c'
 | 
						|
        eq({ 1, 1 }, api.nvim_win_get_cursor(0))
 | 
						|
      end)
 | 
						|
    end)
 | 
						|
 | 
						|
    describe('when cursor is inside replaced row range', function()
 | 
						|
      it('maintains cursor position if at start_row, but before start_col', function()
 | 
						|
        insert([[
 | 
						|
        This should be first
 | 
						|
        then there is a line we do not want
 | 
						|
        and finally the last one]])
 | 
						|
 | 
						|
        -- position the cursor on ' ' before 'first'
 | 
						|
        api.nvim_win_set_cursor(0, { 1, 14 })
 | 
						|
 | 
						|
        set_text(0, 15, 2, 11, {
 | 
						|
          'the line we do not want',
 | 
						|
          'but hopefully',
 | 
						|
        })
 | 
						|
 | 
						|
        eq({
 | 
						|
          'This should be the line we do not want',
 | 
						|
          'but hopefully the last one',
 | 
						|
        }, get_lines(0, -1, true))
 | 
						|
        -- cursor should stay at the same position
 | 
						|
        eq({ 1, 14 }, api.nvim_win_get_cursor(0))
 | 
						|
      end)
 | 
						|
 | 
						|
      it('maintains cursor position if at start_row and column is still valid', function()
 | 
						|
        insert([[
 | 
						|
        This should be first
 | 
						|
        then there is a line we do not want
 | 
						|
        and finally the last one]])
 | 
						|
 | 
						|
        -- position the cursor on 'f' in 'first'
 | 
						|
        api.nvim_win_set_cursor(0, { 1, 15 })
 | 
						|
 | 
						|
        set_text(0, 15, 2, 11, {
 | 
						|
          'the line we do not want',
 | 
						|
          'but hopefully',
 | 
						|
        })
 | 
						|
 | 
						|
        eq({
 | 
						|
          'This should be the line we do not want',
 | 
						|
          'but hopefully the last one',
 | 
						|
        }, get_lines(0, -1, true))
 | 
						|
        -- cursor should stay at the same position
 | 
						|
        eq({ 1, 15 }, api.nvim_win_get_cursor(0))
 | 
						|
      end)
 | 
						|
 | 
						|
      it('adjusts cursor column to keep it valid if start_row got smaller', function()
 | 
						|
        insert([[
 | 
						|
        This should be first
 | 
						|
        then there is a line we do not want
 | 
						|
        and finally the last one]])
 | 
						|
 | 
						|
        -- position the cursor on 't' in 'first'
 | 
						|
        api.nvim_win_set_cursor(0, { 1, 19 })
 | 
						|
 | 
						|
        local cursor = exec_lua([[
 | 
						|
          vim.api.nvim_buf_set_text(0, 0, 15, 2, 24, {'last'})
 | 
						|
          return vim.api.nvim_win_get_cursor(0)
 | 
						|
        ]])
 | 
						|
 | 
						|
        eq({ 'This should be last' }, get_lines(0, -1, true))
 | 
						|
        -- cursor should end up on 't' in 'last'
 | 
						|
        eq({ 1, 18 }, api.nvim_win_get_cursor(0))
 | 
						|
        -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
        eq({ 1, 18 }, cursor)
 | 
						|
      end)
 | 
						|
 | 
						|
      it('adjusts cursor column to keep it valid if start_row decreased in INSERT mode', function()
 | 
						|
        insert([[
 | 
						|
        This should be first
 | 
						|
        then there is a line we do not want
 | 
						|
        and finally the last one]])
 | 
						|
 | 
						|
        -- position the cursor on 't' in 'first'
 | 
						|
        api.nvim_win_set_cursor(0, { 1, 19 })
 | 
						|
        -- enter INSERT mode to treat cursor as being after 't'
 | 
						|
        feed('a')
 | 
						|
 | 
						|
        local cursor = exec_lua([[
 | 
						|
          vim.api.nvim_buf_set_text(0, 0, 15, 2, 24, {'last'})
 | 
						|
          return vim.api.nvim_win_get_cursor(0)
 | 
						|
        ]])
 | 
						|
 | 
						|
        eq({ 'This should be last' }, get_lines(0, -1, true))
 | 
						|
        -- cursor should end up after 't' in 'last'
 | 
						|
        eq({ 1, 19 }, api.nvim_win_get_cursor(0))
 | 
						|
        -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
        eq({ 1, 19 }, cursor)
 | 
						|
      end)
 | 
						|
 | 
						|
      it('adjusts cursor to valid column in row after start_row if it got smaller', function()
 | 
						|
        insert([[
 | 
						|
        This should be first
 | 
						|
        then there is a line we do not want
 | 
						|
        and finally the last one]])
 | 
						|
 | 
						|
        -- position the cursor on 'w' in 'want'
 | 
						|
        api.nvim_win_set_cursor(0, { 2, 31 })
 | 
						|
 | 
						|
        local cursor = exec_lua([[
 | 
						|
          vim.api.nvim_buf_set_text(0, 0, 15, 2, 11, {
 | 
						|
            '1',
 | 
						|
            'then 2',
 | 
						|
            'and then',
 | 
						|
          })
 | 
						|
          return vim.api.nvim_win_get_cursor(0)
 | 
						|
        ]])
 | 
						|
 | 
						|
        eq({
 | 
						|
          'This should be 1',
 | 
						|
          'then 2',
 | 
						|
          'and then the last one',
 | 
						|
        }, get_lines(0, -1, true))
 | 
						|
        -- cursor column should end up at the end of a row
 | 
						|
        eq({ 2, 5 }, api.nvim_win_get_cursor(0))
 | 
						|
        -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
        eq({ 2, 5 }, cursor)
 | 
						|
      end)
 | 
						|
 | 
						|
      it(
 | 
						|
        'adjusts cursor to valid column in row after start_row if it got smaller in INSERT mode',
 | 
						|
        function()
 | 
						|
          insert([[
 | 
						|
        This should be first
 | 
						|
        then there is a line we do not want
 | 
						|
        and finally the last one]])
 | 
						|
 | 
						|
          -- position the cursor on 'w' in 'want'
 | 
						|
          api.nvim_win_set_cursor(0, { 2, 31 })
 | 
						|
          -- enter INSERT mode
 | 
						|
          feed('a')
 | 
						|
 | 
						|
          local cursor = exec_lua([[
 | 
						|
          vim.api.nvim_buf_set_text(0, 0, 15, 2, 11, {
 | 
						|
            '1',
 | 
						|
            'then 2',
 | 
						|
            'and then',
 | 
						|
          })
 | 
						|
          return vim.api.nvim_win_get_cursor(0)
 | 
						|
        ]])
 | 
						|
 | 
						|
          eq({
 | 
						|
            'This should be 1',
 | 
						|
            'then 2',
 | 
						|
            'and then the last one',
 | 
						|
          }, get_lines(0, -1, true))
 | 
						|
          -- cursor column should end up at the end of a row
 | 
						|
          eq({ 2, 6 }, api.nvim_win_get_cursor(0))
 | 
						|
          -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
          eq({ 2, 6 }, cursor)
 | 
						|
        end
 | 
						|
      )
 | 
						|
 | 
						|
      it('adjusts cursor line and column to keep it inside replacement range', function()
 | 
						|
        insert([[
 | 
						|
        This should be first
 | 
						|
        then there is a line we do not want
 | 
						|
        and finally the last one]])
 | 
						|
 | 
						|
        -- position the cursor on 'n' in 'finally'
 | 
						|
        api.nvim_win_set_cursor(0, { 3, 6 })
 | 
						|
 | 
						|
        local cursor = exec_lua([[
 | 
						|
          vim.api.nvim_buf_set_text(0, 0, 15, 2, 11, {
 | 
						|
            'the line we do not want',
 | 
						|
            'but hopefully',
 | 
						|
          })
 | 
						|
          return vim.api.nvim_win_get_cursor(0)
 | 
						|
        ]])
 | 
						|
 | 
						|
        eq({
 | 
						|
          'This should be the line we do not want',
 | 
						|
          'but hopefully the last one',
 | 
						|
        }, get_lines(0, -1, true))
 | 
						|
        -- cursor should end up on 'y' in 'hopefully'
 | 
						|
        -- to stay in the range, because it got smaller
 | 
						|
        eq({ 2, 12 }, api.nvim_win_get_cursor(0))
 | 
						|
        -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
        eq({ 2, 12 }, cursor)
 | 
						|
      end)
 | 
						|
 | 
						|
      it('adjusts cursor line and column if replacement is empty', function()
 | 
						|
        insert([[
 | 
						|
        This should be first
 | 
						|
        then there is a line we do not want
 | 
						|
        and finally the last one]])
 | 
						|
 | 
						|
        -- position the cursor on 'r' in 'there'
 | 
						|
        api.nvim_win_set_cursor(0, { 2, 8 })
 | 
						|
 | 
						|
        local cursor = exec_lua([[
 | 
						|
          vim.api.nvim_buf_set_text(0, 0, 15, 2, 12, {})
 | 
						|
          return vim.api.nvim_win_get_cursor(0)
 | 
						|
        ]])
 | 
						|
 | 
						|
        eq({ 'This should be the last one' }, get_lines(0, -1, true))
 | 
						|
        -- cursor should end up on the next column after deleted range
 | 
						|
        eq({ 1, 15 }, api.nvim_win_get_cursor(0))
 | 
						|
        -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
        eq({ 1, 15 }, cursor)
 | 
						|
      end)
 | 
						|
 | 
						|
      it('adjusts cursor line and column if replacement is empty and start_col == 0', function()
 | 
						|
        insert([[
 | 
						|
        This should be first
 | 
						|
        then there is a line we do not want
 | 
						|
        and finally the last one]])
 | 
						|
 | 
						|
        -- position the cursor on 'r' in 'there'
 | 
						|
        api.nvim_win_set_cursor(0, { 2, 8 })
 | 
						|
 | 
						|
        local cursor = exec_lua([[
 | 
						|
          vim.api.nvim_buf_set_text(0, 0, 0, 2, 4, {})
 | 
						|
          return vim.api.nvim_win_get_cursor(0)
 | 
						|
        ]])
 | 
						|
 | 
						|
        eq({ 'finally the last one' }, get_lines(0, -1, true))
 | 
						|
        -- cursor should end up in column 0
 | 
						|
        eq({ 1, 0 }, api.nvim_win_get_cursor(0))
 | 
						|
        -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
        eq({ 1, 0 }, cursor)
 | 
						|
      end)
 | 
						|
 | 
						|
      it('adjusts cursor column if replacement ends at cursor row, after cursor column', function()
 | 
						|
        insert([[
 | 
						|
        This should be first
 | 
						|
        then there is a line we do not want
 | 
						|
        and finally the last one]])
 | 
						|
 | 
						|
        -- position the cursor on 'y' in 'finally'
 | 
						|
        api.nvim_win_set_cursor(0, { 3, 10 })
 | 
						|
        set_text(0, 15, 2, 11, { '1', 'this 2', 'and then' })
 | 
						|
 | 
						|
        eq({
 | 
						|
          'This should be 1',
 | 
						|
          'this 2',
 | 
						|
          'and then the last one',
 | 
						|
        }, get_lines(0, -1, true))
 | 
						|
        -- cursor should end up on 'n' in 'then'
 | 
						|
        eq({ 3, 7 }, api.nvim_win_get_cursor(0))
 | 
						|
      end)
 | 
						|
 | 
						|
      it(
 | 
						|
        'adjusts cursor column if replacement ends at cursor row, at cursor column in INSERT mode',
 | 
						|
        function()
 | 
						|
          insert([[
 | 
						|
        This should be first
 | 
						|
        then there is a line we do not want
 | 
						|
        and finally the last one]])
 | 
						|
 | 
						|
          -- position the cursor on 'y' at 'finally'
 | 
						|
          api.nvim_win_set_cursor(0, { 3, 10 })
 | 
						|
          -- enter INSERT mode to treat cursor as being between 'l' and 'y'
 | 
						|
          feed('i')
 | 
						|
          set_text(0, 15, 2, 11, { '1', 'this 2', 'and then' })
 | 
						|
 | 
						|
          eq({
 | 
						|
            'This should be 1',
 | 
						|
            'this 2',
 | 
						|
            'and then the last one',
 | 
						|
          }, get_lines(0, -1, true))
 | 
						|
          -- cursor should end up after 'n' in 'then'
 | 
						|
          eq({ 3, 8 }, api.nvim_win_get_cursor(0))
 | 
						|
        end
 | 
						|
      )
 | 
						|
 | 
						|
      it('adjusts cursor column if replacement is inside of a single line', function()
 | 
						|
        insert([[
 | 
						|
        This should be first
 | 
						|
        then there is a line we do not want
 | 
						|
        and finally the last one]])
 | 
						|
 | 
						|
        -- position the cursor on 'y' in 'finally'
 | 
						|
        api.nvim_win_set_cursor(0, { 3, 10 })
 | 
						|
        set_text(2, 4, 2, 11, { 'then' })
 | 
						|
 | 
						|
        eq({
 | 
						|
          'This should be first',
 | 
						|
          'then there is a line we do not want',
 | 
						|
          'and then the last one',
 | 
						|
        }, get_lines(0, -1, true))
 | 
						|
        -- cursor should end up on 'n' in 'then'
 | 
						|
        eq({ 3, 7 }, api.nvim_win_get_cursor(0))
 | 
						|
      end)
 | 
						|
 | 
						|
      it('does not move cursor column after end of a line', function()
 | 
						|
        insert([[
 | 
						|
        This should be the only line here
 | 
						|
        !!!]])
 | 
						|
 | 
						|
        -- position cursor on the last '1'
 | 
						|
        api.nvim_win_set_cursor(0, { 2, 2 })
 | 
						|
 | 
						|
        local cursor = exec_lua([[
 | 
						|
          vim.api.nvim_buf_set_text(0, 0, 33, 1, 3, {})
 | 
						|
          return vim.api.nvim_win_get_cursor(0)
 | 
						|
        ]])
 | 
						|
 | 
						|
        eq({ 'This should be the only line here' }, get_lines(0, -1, true))
 | 
						|
        -- cursor should end up on '!'
 | 
						|
        eq({ 1, 32 }, api.nvim_win_get_cursor(0))
 | 
						|
        -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
        eq({ 1, 32 }, cursor)
 | 
						|
      end)
 | 
						|
 | 
						|
      it('does not move cursor column before start of a line', function()
 | 
						|
        insert('\n!!!')
 | 
						|
 | 
						|
        -- position cursor on the last '1'
 | 
						|
        api.nvim_win_set_cursor(0, { 2, 2 })
 | 
						|
 | 
						|
        local cursor = exec_lua([[
 | 
						|
          vim.api.nvim_buf_set_text(0, 0, 0, 1, 3, {})
 | 
						|
          return vim.api.nvim_win_get_cursor(0)
 | 
						|
        ]])
 | 
						|
 | 
						|
        eq({ '' }, get_lines(0, -1, true))
 | 
						|
        -- cursor should end up on '!'
 | 
						|
        eq({ 1, 0 }, api.nvim_win_get_cursor(0))
 | 
						|
        -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
        eq({ 1, 0 }, cursor)
 | 
						|
      end)
 | 
						|
 | 
						|
      describe('with virtualedit', function()
 | 
						|
        it('adjusts cursor line/col to keep inside replacement range if not after eol', function()
 | 
						|
          insert([[
 | 
						|
          This should be first
 | 
						|
          then there is a line we do not want
 | 
						|
          and finally the last one]])
 | 
						|
 | 
						|
          -- position cursor on 't' in 'want'
 | 
						|
          api.nvim_win_set_cursor(0, { 2, 34 })
 | 
						|
          -- turn on virtualedit
 | 
						|
          command('set virtualedit=all')
 | 
						|
 | 
						|
          local cursor = exec_lua([[
 | 
						|
            vim.api.nvim_buf_set_text(0, 0, 15, 2, 11, {
 | 
						|
              'the line we do not want',
 | 
						|
              'but hopefully',
 | 
						|
            })
 | 
						|
            return vim.api.nvim_win_get_cursor(0)
 | 
						|
          ]])
 | 
						|
 | 
						|
          eq({
 | 
						|
            'This should be the line we do not want',
 | 
						|
            'but hopefully the last one',
 | 
						|
          }, get_lines(0, -1, true))
 | 
						|
          -- cursor should end up on 'y' in 'hopefully'
 | 
						|
          -- to stay in the range
 | 
						|
          eq({ 2, 12 }, api.nvim_win_get_cursor(0))
 | 
						|
          -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
          eq({ 2, 12 }, cursor)
 | 
						|
          -- coladd should be 0
 | 
						|
          eq(
 | 
						|
            0,
 | 
						|
            exec_lua([[
 | 
						|
            return vim.fn.winsaveview().coladd
 | 
						|
          ]])
 | 
						|
          )
 | 
						|
        end)
 | 
						|
 | 
						|
        it('does not change cursor screen column when cursor >EOL and row got shorter', function()
 | 
						|
          insert([[
 | 
						|
          This should be first
 | 
						|
          then there is a line we do not want
 | 
						|
          and finally the last one]])
 | 
						|
 | 
						|
          -- position cursor on 't' in 'want'
 | 
						|
          api.nvim_win_set_cursor(0, { 2, 34 })
 | 
						|
          -- turn on virtualedit
 | 
						|
          command('set virtualedit=all')
 | 
						|
          -- move cursor after eol
 | 
						|
          exec_lua([[
 | 
						|
            vim.fn.winrestview({ coladd = 5 })
 | 
						|
          ]])
 | 
						|
 | 
						|
          local cursor = exec_lua([[
 | 
						|
            vim.api.nvim_buf_set_text(0, 0, 15, 2, 11, {
 | 
						|
              'the line we do not want',
 | 
						|
              'but hopefully',
 | 
						|
            })
 | 
						|
            return vim.api.nvim_win_get_cursor(0)
 | 
						|
          ]])
 | 
						|
 | 
						|
          eq({
 | 
						|
            'This should be the line we do not want',
 | 
						|
            'but hopefully the last one',
 | 
						|
          }, get_lines(0, -1, true))
 | 
						|
          -- cursor should end up at eol of a new row
 | 
						|
          eq({ 2, 26 }, api.nvim_win_get_cursor(0))
 | 
						|
          -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
          eq({ 2, 26 }, cursor)
 | 
						|
          -- coladd should be increased so that cursor stays in the same screen column
 | 
						|
          eq(
 | 
						|
            13,
 | 
						|
            exec_lua([[
 | 
						|
            return vim.fn.winsaveview().coladd
 | 
						|
          ]])
 | 
						|
          )
 | 
						|
        end)
 | 
						|
 | 
						|
        it(
 | 
						|
          'does not change cursor screen column when cursor is after eol and row got longer',
 | 
						|
          function()
 | 
						|
            insert([[
 | 
						|
          This should be first
 | 
						|
          then there is a line we do not want
 | 
						|
          and finally the last one]])
 | 
						|
 | 
						|
            -- position cursor on 't' in 'first'
 | 
						|
            api.nvim_win_set_cursor(0, { 1, 19 })
 | 
						|
            -- turn on virtualedit
 | 
						|
            command('set virtualedit=all')
 | 
						|
            -- move cursor after eol
 | 
						|
            exec_lua([[
 | 
						|
            vim.fn.winrestview({ coladd = 21 })
 | 
						|
          ]])
 | 
						|
 | 
						|
            local cursor = exec_lua([[
 | 
						|
            vim.api.nvim_buf_set_text(0, 0, 15, 2, 11, {
 | 
						|
              'the line we do not want',
 | 
						|
              'but hopefully',
 | 
						|
            })
 | 
						|
            return vim.api.nvim_win_get_cursor(0)
 | 
						|
          ]])
 | 
						|
 | 
						|
            eq({
 | 
						|
              'This should be the line we do not want',
 | 
						|
              'but hopefully the last one',
 | 
						|
            }, get_lines(0, -1, true))
 | 
						|
            -- cursor should end up at eol of a new row
 | 
						|
            eq({ 1, 38 }, api.nvim_win_get_cursor(0))
 | 
						|
            -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
            eq({ 1, 38 }, cursor)
 | 
						|
            -- coladd should be increased so that cursor stays in the same screen column
 | 
						|
            eq(
 | 
						|
              2,
 | 
						|
              exec_lua([[
 | 
						|
            return vim.fn.winsaveview().coladd
 | 
						|
          ]])
 | 
						|
            )
 | 
						|
          end
 | 
						|
        )
 | 
						|
 | 
						|
        it(
 | 
						|
          'does not change cursor screen column when cursor is after eol and row extended past cursor column',
 | 
						|
          function()
 | 
						|
            insert([[
 | 
						|
          This should be first
 | 
						|
          then there is a line we do not want
 | 
						|
          and finally the last one]])
 | 
						|
 | 
						|
            -- position cursor on 't' in 'first'
 | 
						|
            api.nvim_win_set_cursor(0, { 1, 19 })
 | 
						|
            -- turn on virtualedit
 | 
						|
            command('set virtualedit=all')
 | 
						|
            -- move cursor after eol just a bit
 | 
						|
            exec_lua([[
 | 
						|
            vim.fn.winrestview({ coladd = 3 })
 | 
						|
          ]])
 | 
						|
 | 
						|
            local cursor = exec_lua([[
 | 
						|
            vim.api.nvim_buf_set_text(0, 0, 15, 2, 11, {
 | 
						|
              'the line we do not want',
 | 
						|
              'but hopefully',
 | 
						|
            })
 | 
						|
            return vim.api.nvim_win_get_cursor(0)
 | 
						|
          ]])
 | 
						|
 | 
						|
            eq({
 | 
						|
              'This should be the line we do not want',
 | 
						|
              'but hopefully the last one',
 | 
						|
            }, get_lines(0, -1, true))
 | 
						|
            -- cursor should stay at the same screen column
 | 
						|
            eq({ 1, 22 }, api.nvim_win_get_cursor(0))
 | 
						|
            -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
            eq({ 1, 22 }, cursor)
 | 
						|
            -- coladd should become 0
 | 
						|
            eq(
 | 
						|
              0,
 | 
						|
              exec_lua([[
 | 
						|
            return vim.fn.winsaveview().coladd
 | 
						|
          ]])
 | 
						|
            )
 | 
						|
          end
 | 
						|
        )
 | 
						|
 | 
						|
        it(
 | 
						|
          'does not change cursor screen column when cursor is after eol and row range decreased',
 | 
						|
          function()
 | 
						|
            insert([[
 | 
						|
          This should be first
 | 
						|
          then there is a line we do not want
 | 
						|
          and one more
 | 
						|
          and finally the last one]])
 | 
						|
 | 
						|
            -- position cursor on 'e' in 'more'
 | 
						|
            api.nvim_win_set_cursor(0, { 3, 11 })
 | 
						|
            -- turn on virtualedit
 | 
						|
            command('set virtualedit=all')
 | 
						|
            -- move cursor after eol
 | 
						|
            exec_lua([[
 | 
						|
            vim.fn.winrestview({ coladd = 28 })
 | 
						|
          ]])
 | 
						|
 | 
						|
            local cursor = exec_lua([[
 | 
						|
            vim.api.nvim_buf_set_text(0, 0, 15, 3, 11, {
 | 
						|
              'the line we do not want',
 | 
						|
              'but hopefully',
 | 
						|
            })
 | 
						|
            return vim.api.nvim_win_get_cursor(0)
 | 
						|
          ]])
 | 
						|
 | 
						|
            eq({
 | 
						|
              'This should be the line we do not want',
 | 
						|
              'but hopefully the last one',
 | 
						|
            }, get_lines(0, -1, true))
 | 
						|
            -- cursor should end up at eol of a new row
 | 
						|
            eq({ 2, 26 }, api.nvim_win_get_cursor(0))
 | 
						|
            -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
            eq({ 2, 26 }, cursor)
 | 
						|
            -- coladd should be increased so that cursor stays in the same screen column
 | 
						|
            eq(
 | 
						|
              13,
 | 
						|
              exec_lua([[
 | 
						|
            return vim.fn.winsaveview().coladd
 | 
						|
          ]])
 | 
						|
            )
 | 
						|
          end
 | 
						|
        )
 | 
						|
      end)
 | 
						|
    end)
 | 
						|
 | 
						|
    describe('when cursor is at end_row and after end_col', function()
 | 
						|
      it('adjusts cursor column when only a newline is added or deleted', function()
 | 
						|
        insert([[
 | 
						|
        first line
 | 
						|
        second
 | 
						|
         line]])
 | 
						|
 | 
						|
        -- position the cursor on 'i'
 | 
						|
        api.nvim_win_set_cursor(0, { 3, 2 })
 | 
						|
        set_text(1, 6, 2, 0, {})
 | 
						|
        eq({ 'first line', 'second line' }, get_lines(0, -1, true))
 | 
						|
        -- cursor should stay on 'i'
 | 
						|
        eq({ 2, 8 }, api.nvim_win_get_cursor(0))
 | 
						|
 | 
						|
        -- add a newline back
 | 
						|
        set_text(1, 6, 1, 6, { '', '' })
 | 
						|
        eq({ 'first line', 'second', ' line' }, get_lines(0, -1, true))
 | 
						|
        -- cursor should return back to the original position
 | 
						|
        eq({ 3, 2 }, api.nvim_win_get_cursor(0))
 | 
						|
      end)
 | 
						|
 | 
						|
      it(
 | 
						|
        'adjusts cursor column if the range is not bound to either start or end of a line',
 | 
						|
        function()
 | 
						|
          insert([[
 | 
						|
        This should be first
 | 
						|
        then there is a line we do not want
 | 
						|
        and finally the last one]])
 | 
						|
 | 
						|
          -- position the cursor on 'h' in 'the'
 | 
						|
          api.nvim_win_set_cursor(0, { 3, 13 })
 | 
						|
          set_text(0, 14, 2, 11, {})
 | 
						|
          eq({ 'This should be the last one' }, get_lines(0, -1, true))
 | 
						|
          -- cursor should stay on 'h'
 | 
						|
          eq({ 1, 16 }, api.nvim_win_get_cursor(0))
 | 
						|
          -- add deleted lines back
 | 
						|
          set_text(0, 14, 0, 14, {
 | 
						|
            ' first',
 | 
						|
            'then there is a line we do not want',
 | 
						|
            'and finally',
 | 
						|
          })
 | 
						|
          eq({
 | 
						|
            'This should be first',
 | 
						|
            'then there is a line we do not want',
 | 
						|
            'and finally the last one',
 | 
						|
          }, get_lines(0, -1, true))
 | 
						|
          -- cursor should return back to the original position
 | 
						|
          eq({ 3, 13 }, api.nvim_win_get_cursor(0))
 | 
						|
        end
 | 
						|
      )
 | 
						|
 | 
						|
      it(
 | 
						|
        'adjusts cursor column if replacing lines in range, not just deleting and adding',
 | 
						|
        function()
 | 
						|
          insert([[
 | 
						|
        This should be first
 | 
						|
        then there is a line we do not want
 | 
						|
        and finally the last one]])
 | 
						|
 | 
						|
          -- position the cursor on 's' in 'last'
 | 
						|
          api.nvim_win_set_cursor(0, { 3, 18 })
 | 
						|
          set_text(0, 15, 2, 11, {
 | 
						|
            'the line we do not want',
 | 
						|
            'but hopefully',
 | 
						|
          })
 | 
						|
 | 
						|
          eq({
 | 
						|
            'This should be the line we do not want',
 | 
						|
            'but hopefully the last one',
 | 
						|
          }, get_lines(0, -1, true))
 | 
						|
          -- cursor should stay on 's'
 | 
						|
          eq({ 2, 20 }, api.nvim_win_get_cursor(0))
 | 
						|
 | 
						|
          set_text(0, 15, 1, 13, {
 | 
						|
            'first',
 | 
						|
            'then there is a line we do not want',
 | 
						|
            'and finally',
 | 
						|
          })
 | 
						|
 | 
						|
          eq({
 | 
						|
            'This should be first',
 | 
						|
            'then there is a line we do not want',
 | 
						|
            'and finally the last one',
 | 
						|
          }, get_lines(0, -1, true))
 | 
						|
          -- cursor should return back to the original position
 | 
						|
          eq({ 3, 18 }, api.nvim_win_get_cursor(0))
 | 
						|
        end
 | 
						|
      )
 | 
						|
 | 
						|
      it('does not move cursor column after end of a line', function()
 | 
						|
        insert([[
 | 
						|
        This should be the only line here
 | 
						|
        ]])
 | 
						|
 | 
						|
        -- position cursor at the empty line
 | 
						|
        api.nvim_win_set_cursor(0, { 2, 0 })
 | 
						|
 | 
						|
        local cursor = exec_lua([[
 | 
						|
          vim.api.nvim_buf_set_text(0, 0, 33, 1, 0, {'!'})
 | 
						|
          return vim.api.nvim_win_get_cursor(0)
 | 
						|
        ]])
 | 
						|
 | 
						|
        eq({ 'This should be the only line here!' }, get_lines(0, -1, true))
 | 
						|
        -- cursor should end up on '!'
 | 
						|
        eq({ 1, 33 }, api.nvim_win_get_cursor(0))
 | 
						|
        -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
        eq({ 1, 33 }, cursor)
 | 
						|
      end)
 | 
						|
 | 
						|
      it('does not move cursor column before start of a line', function()
 | 
						|
        insert('\n')
 | 
						|
 | 
						|
        eq({ '', '' }, get_lines(0, -1, true))
 | 
						|
 | 
						|
        -- position cursor on the last '1'
 | 
						|
        api.nvim_win_set_cursor(0, { 2, 2 })
 | 
						|
 | 
						|
        local cursor = exec_lua([[
 | 
						|
          vim.api.nvim_buf_set_text(0, 0, 0, 1, 0, {''})
 | 
						|
          return vim.api.nvim_win_get_cursor(0)
 | 
						|
        ]])
 | 
						|
 | 
						|
        eq({ '' }, get_lines(0, -1, true))
 | 
						|
        -- cursor should end up on '!'
 | 
						|
        eq({ 1, 0 }, api.nvim_win_get_cursor(0))
 | 
						|
        -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
        eq({ 1, 0 }, cursor)
 | 
						|
      end)
 | 
						|
    end)
 | 
						|
 | 
						|
    it('can handle NULs', function()
 | 
						|
      set_text(0, 0, 0, 0, { 'ab\0cd' })
 | 
						|
      eq('ab\0cd', curbuf_depr('get_line', 0))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('adjusts extmarks', function()
 | 
						|
      local ns = api.nvim_create_namespace('my-fancy-plugin')
 | 
						|
      insert([[
 | 
						|
      foo bar
 | 
						|
      baz
 | 
						|
      ]])
 | 
						|
      local id1 = api.nvim_buf_set_extmark(0, ns, 0, 1, {})
 | 
						|
      local id2 = api.nvim_buf_set_extmark(0, ns, 0, 7, {})
 | 
						|
      local id3 = api.nvim_buf_set_extmark(0, ns, 1, 1, {})
 | 
						|
      set_text(0, 4, 0, 7, { 'q' })
 | 
						|
 | 
						|
      eq({ 'foo q', 'baz' }, get_lines(0, 2, true))
 | 
						|
      -- mark before replacement point is unaffected
 | 
						|
      eq({ 0, 1 }, api.nvim_buf_get_extmark_by_id(0, ns, id1, {}))
 | 
						|
      -- mark gets shifted back because the replacement was shorter
 | 
						|
      eq({ 0, 5 }, api.nvim_buf_get_extmark_by_id(0, ns, id2, {}))
 | 
						|
      -- mark on the next line is unaffected
 | 
						|
      eq({ 1, 1 }, api.nvim_buf_get_extmark_by_id(0, ns, id3, {}))
 | 
						|
 | 
						|
      -- replacing the text spanning two lines will adjust the mark on the next line
 | 
						|
      set_text(0, 3, 1, 3, { 'qux' })
 | 
						|
      eq({ 'fooqux', '' }, get_lines(0, 2, true))
 | 
						|
      eq({ 0, 6 }, api.nvim_buf_get_extmark_by_id(0, ns, id3, {}))
 | 
						|
      -- but mark before replacement point is still unaffected
 | 
						|
      eq({ 0, 1 }, api.nvim_buf_get_extmark_by_id(0, ns, id1, {}))
 | 
						|
      -- and the mark in the middle was shifted to the end of the insertion
 | 
						|
      eq({ 0, 6 }, api.nvim_buf_get_extmark_by_id(0, ns, id2, {}))
 | 
						|
 | 
						|
      -- marks should be put back into the same place after undoing
 | 
						|
      set_text(0, 0, 0, 2, { '' })
 | 
						|
      feed('u')
 | 
						|
      eq({ 0, 1 }, api.nvim_buf_get_extmark_by_id(0, ns, id1, {}))
 | 
						|
      eq({ 0, 6 }, api.nvim_buf_get_extmark_by_id(0, ns, id2, {}))
 | 
						|
      eq({ 0, 6 }, api.nvim_buf_get_extmark_by_id(0, ns, id3, {}))
 | 
						|
 | 
						|
      -- marks should be shifted over by the correct number of bytes for multibyte
 | 
						|
      -- chars
 | 
						|
      set_text(0, 0, 0, 0, { 'Ø' })
 | 
						|
      eq({ 0, 3 }, api.nvim_buf_get_extmark_by_id(0, ns, id1, {}))
 | 
						|
      eq({ 0, 8 }, api.nvim_buf_get_extmark_by_id(0, ns, id2, {}))
 | 
						|
      eq({ 0, 8 }, api.nvim_buf_get_extmark_by_id(0, ns, id3, {}))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('correctly marks changed region for redraw #13890', function()
 | 
						|
      local screen = Screen.new(20, 5)
 | 
						|
      screen:attach()
 | 
						|
 | 
						|
      insert([[
 | 
						|
      AAA
 | 
						|
      BBB
 | 
						|
      ]])
 | 
						|
 | 
						|
      api.nvim_buf_set_text(0, 0, 0, 1, 3, { 'XXX', 'YYY' })
 | 
						|
 | 
						|
      screen:expect([[
 | 
						|
  XXX                 |
 | 
						|
  YYY                 |
 | 
						|
  ^                    |
 | 
						|
  ~                   |
 | 
						|
                      |
 | 
						|
 | 
						|
      ]])
 | 
						|
    end)
 | 
						|
 | 
						|
    it('errors on out-of-range', function()
 | 
						|
      insert([[
 | 
						|
      hello foo!
 | 
						|
      text]])
 | 
						|
      eq("Invalid 'start_row': out of range", pcall_err(set_text, 2, 0, 3, 0, {}))
 | 
						|
      eq("Invalid 'start_row': out of range", pcall_err(set_text, -3, 0, 0, 0, {}))
 | 
						|
      eq("Invalid 'end_row': out of range", pcall_err(set_text, 0, 0, 2, 0, {}))
 | 
						|
      eq("Invalid 'end_row': out of range", pcall_err(set_text, 0, 0, -3, 0, {}))
 | 
						|
      eq("Invalid 'start_col': out of range", pcall_err(set_text, 1, 5, 1, 5, {}))
 | 
						|
      eq("Invalid 'end_col': out of range", pcall_err(set_text, 1, 0, 1, 5, {}))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('errors when start is greater than end', function()
 | 
						|
      insert([[
 | 
						|
      hello foo!
 | 
						|
      text]])
 | 
						|
      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))
 | 
						|
      api.nvim_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)
 | 
						|
 | 
						|
    describe('handles topline', function()
 | 
						|
      local screen
 | 
						|
      before_each(function()
 | 
						|
        screen = Screen.new(20, 12)
 | 
						|
        screen:set_default_attr_ids {
 | 
						|
          [1] = { bold = true, foreground = Screen.colors.Blue1 },
 | 
						|
          [2] = { reverse = true, bold = true },
 | 
						|
          [3] = { reverse = true },
 | 
						|
        }
 | 
						|
        screen:attach()
 | 
						|
        api.nvim_buf_set_lines(
 | 
						|
          0,
 | 
						|
          0,
 | 
						|
          -1,
 | 
						|
          true,
 | 
						|
          { 'aaa', 'bbb', 'ccc', 'ddd', 'www', 'xxx', 'yyy', 'zzz' }
 | 
						|
        )
 | 
						|
        api.nvim_set_option_value('modified', false, {})
 | 
						|
      end)
 | 
						|
 | 
						|
      it('of current window', function()
 | 
						|
        local win = api.nvim_get_current_win()
 | 
						|
        local buf = api.nvim_get_current_buf()
 | 
						|
 | 
						|
        command('new | wincmd w')
 | 
						|
        api.nvim_win_set_cursor(win, { 8, 0 })
 | 
						|
 | 
						|
        screen:expect {
 | 
						|
          grid = [[
 | 
						|
                              |
 | 
						|
          {1:~                   }|*4
 | 
						|
          {3:[No Name]           }|
 | 
						|
          www                 |
 | 
						|
          xxx                 |
 | 
						|
          yyy                 |
 | 
						|
          ^zzz                 |
 | 
						|
          {2:[No Name]           }|
 | 
						|
                              |
 | 
						|
        ]],
 | 
						|
        }
 | 
						|
        api.nvim_buf_set_text(buf, 0, 3, 1, 0, { 'X' })
 | 
						|
 | 
						|
        screen:expect {
 | 
						|
          grid = [[
 | 
						|
                              |
 | 
						|
          {1:~                   }|*4
 | 
						|
          {3:[No Name]           }|
 | 
						|
          www                 |
 | 
						|
          xxx                 |
 | 
						|
          yyy                 |
 | 
						|
          ^zzz                 |
 | 
						|
          {2:[No Name] [+]       }|
 | 
						|
                              |
 | 
						|
        ]],
 | 
						|
        }
 | 
						|
      end)
 | 
						|
 | 
						|
      it('of non-current window', function()
 | 
						|
        local win = api.nvim_get_current_win()
 | 
						|
        local buf = api.nvim_get_current_buf()
 | 
						|
 | 
						|
        command('new')
 | 
						|
        api.nvim_win_set_cursor(win, { 8, 0 })
 | 
						|
 | 
						|
        screen:expect {
 | 
						|
          grid = [[
 | 
						|
          ^                    |
 | 
						|
          {1:~                   }|*4
 | 
						|
          {2:[No Name]           }|
 | 
						|
          www                 |
 | 
						|
          xxx                 |
 | 
						|
          yyy                 |
 | 
						|
          zzz                 |
 | 
						|
          {3:[No Name]           }|
 | 
						|
                              |
 | 
						|
        ]],
 | 
						|
        }
 | 
						|
 | 
						|
        api.nvim_buf_set_text(buf, 0, 3, 1, 0, { 'X' })
 | 
						|
        screen:expect {
 | 
						|
          grid = [[
 | 
						|
          ^                    |
 | 
						|
          {1:~                   }|*4
 | 
						|
          {2:[No Name]           }|
 | 
						|
          www                 |
 | 
						|
          xxx                 |
 | 
						|
          yyy                 |
 | 
						|
          zzz                 |
 | 
						|
          {3:[No Name] [+]       }|
 | 
						|
                              |
 | 
						|
        ]],
 | 
						|
        }
 | 
						|
      end)
 | 
						|
 | 
						|
      it('of split windows with same buffer', function()
 | 
						|
        local win = api.nvim_get_current_win()
 | 
						|
        local buf = api.nvim_get_current_buf()
 | 
						|
 | 
						|
        command('split')
 | 
						|
        api.nvim_win_set_cursor(win, { 8, 0 })
 | 
						|
        api.nvim_win_set_cursor(0, { 1, 1 })
 | 
						|
 | 
						|
        screen:expect {
 | 
						|
          grid = [[
 | 
						|
          a^aa                 |
 | 
						|
          bbb                 |
 | 
						|
          ccc                 |
 | 
						|
          ddd                 |
 | 
						|
          www                 |
 | 
						|
          {2:[No Name]           }|
 | 
						|
          www                 |
 | 
						|
          xxx                 |
 | 
						|
          yyy                 |
 | 
						|
          zzz                 |
 | 
						|
          {3:[No Name]           }|
 | 
						|
                              |
 | 
						|
        ]],
 | 
						|
        }
 | 
						|
        api.nvim_buf_set_text(buf, 0, 3, 1, 0, { 'X' })
 | 
						|
 | 
						|
        screen:expect {
 | 
						|
          grid = [[
 | 
						|
          a^aaXbbb             |
 | 
						|
          ccc                 |
 | 
						|
          ddd                 |
 | 
						|
          www                 |
 | 
						|
          xxx                 |
 | 
						|
          {2:[No Name] [+]       }|
 | 
						|
          www                 |
 | 
						|
          xxx                 |
 | 
						|
          yyy                 |
 | 
						|
          zzz                 |
 | 
						|
          {3:[No Name] [+]       }|
 | 
						|
                              |
 | 
						|
        ]],
 | 
						|
        }
 | 
						|
      end)
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe_lua_and_rpc('nvim_buf_get_text', function(lua_or_rpc)
 | 
						|
    local get_text = lua_or_rpc.nvim_buf_get_text
 | 
						|
    before_each(function()
 | 
						|
      insert([[
 | 
						|
      hello foo!
 | 
						|
      text
 | 
						|
      more]])
 | 
						|
    end)
 | 
						|
 | 
						|
    it('works', function()
 | 
						|
      eq({ 'hello' }, get_text(0, 0, 0, 0, 5, {}))
 | 
						|
      eq({ 'hello foo!' }, get_text(0, 0, 0, 0, 42, {}))
 | 
						|
      eq({ 'foo!' }, get_text(0, 0, 6, 0, 10, {}))
 | 
						|
      eq({ 'foo!', 'tex' }, get_text(0, 0, 6, 1, 3, {}))
 | 
						|
      eq({ 'foo!', 'tex' }, get_text(0, -3, 6, -2, 3, {}))
 | 
						|
      eq({ '' }, get_text(0, 0, 18, 0, 20, {}))
 | 
						|
      eq({ 'ext' }, get_text(0, -2, 1, -2, 4, {}))
 | 
						|
      eq({ 'hello foo!', 'text', 'm' }, get_text(0, 0, 0, 2, 1, {}))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('errors on out-of-range', function()
 | 
						|
      eq('Index out of bounds', pcall_err(get_text, 0, 2, 0, 4, 0, {}))
 | 
						|
      eq('Index out of bounds', pcall_err(get_text, 0, -4, 0, 0, 0, {}))
 | 
						|
      eq('Index out of bounds', pcall_err(get_text, 0, 0, 0, 3, 0, {}))
 | 
						|
      eq('Index out of bounds', pcall_err(get_text, 0, 0, 0, -4, 0, {}))
 | 
						|
      -- no ml_get errors should happen #19017
 | 
						|
      eq('', api.nvim_get_vvar('errmsg'))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('errors when start is greater than end', function()
 | 
						|
      eq("'start' is higher than 'end'", pcall_err(get_text, 0, 1, 0, 0, 0, {}))
 | 
						|
      eq('start_col must be less than end_col', pcall_err(get_text, 0, 0, 1, 0, 0, {}))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_get_offset', function()
 | 
						|
    local get_offset = api.nvim_buf_get_offset
 | 
						|
    it('works', function()
 | 
						|
      api.nvim_buf_set_lines(0, 0, -1, true, { 'Some\r', 'exa\000mple', '', 'buf\rfer', 'text' })
 | 
						|
      eq(5, api.nvim_buf_line_count(0))
 | 
						|
      eq(0, get_offset(0, 0))
 | 
						|
      eq(6, get_offset(0, 1))
 | 
						|
      eq(15, get_offset(0, 2))
 | 
						|
      eq(16, get_offset(0, 3))
 | 
						|
      eq(24, get_offset(0, 4))
 | 
						|
      eq(29, get_offset(0, 5))
 | 
						|
      eq('Index out of bounds', pcall_err(get_offset, 0, 6))
 | 
						|
      eq('Index out of bounds', pcall_err(get_offset, 0, -1))
 | 
						|
 | 
						|
      api.nvim_set_option_value('eol', false, {})
 | 
						|
      api.nvim_set_option_value('fixeol', false, {})
 | 
						|
      eq(28, get_offset(0, 5))
 | 
						|
 | 
						|
      -- fileformat is ignored
 | 
						|
      api.nvim_set_option_value('fileformat', 'dos', {})
 | 
						|
      eq(0, get_offset(0, 0))
 | 
						|
      eq(6, get_offset(0, 1))
 | 
						|
      eq(15, get_offset(0, 2))
 | 
						|
      eq(16, get_offset(0, 3))
 | 
						|
      eq(24, get_offset(0, 4))
 | 
						|
      eq(28, get_offset(0, 5))
 | 
						|
      api.nvim_set_option_value('eol', true, {})
 | 
						|
      eq(29, get_offset(0, 5))
 | 
						|
 | 
						|
      command('set hidden')
 | 
						|
      command('enew')
 | 
						|
      eq(6, api.nvim_buf_get_offset(1, 1))
 | 
						|
      command('bunload! 1')
 | 
						|
      eq(-1, api.nvim_buf_get_offset(1, 1))
 | 
						|
      eq(-1, api.nvim_buf_get_offset(1, 0))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('works in empty buffer', function()
 | 
						|
      eq(0, get_offset(0, 0))
 | 
						|
      eq(1, get_offset(0, 1))
 | 
						|
      eq(-1, fn.line2byte('$'))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('works in buffer with one line inserted', function()
 | 
						|
      feed('itext')
 | 
						|
      eq(0, get_offset(0, 0))
 | 
						|
      eq(5, get_offset(0, 1))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_get_var, nvim_buf_set_var, nvim_buf_del_var', function()
 | 
						|
    it('works', function()
 | 
						|
      api.nvim_buf_set_var(0, 'lua', { 1, 2, { ['3'] = 1 } })
 | 
						|
      eq({ 1, 2, { ['3'] = 1 } }, api.nvim_buf_get_var(0, 'lua'))
 | 
						|
      eq({ 1, 2, { ['3'] = 1 } }, api.nvim_eval('b:lua'))
 | 
						|
      eq(1, fn.exists('b:lua'))
 | 
						|
      api.nvim_buf_del_var(0, 'lua')
 | 
						|
      eq(0, fn.exists('b:lua'))
 | 
						|
      eq('Key not found: lua', pcall_err(api.nvim_buf_del_var, 0, 'lua'))
 | 
						|
      api.nvim_buf_set_var(0, 'lua', 1)
 | 
						|
      command('lockvar b:lua')
 | 
						|
      eq('Key is locked: lua', pcall_err(api.nvim_buf_del_var, 0, 'lua'))
 | 
						|
      eq('Key is locked: lua', pcall_err(api.nvim_buf_set_var, 0, 'lua', 1))
 | 
						|
      eq('Key is read-only: changedtick', pcall_err(api.nvim_buf_del_var, 0, 'changedtick'))
 | 
						|
      eq('Key is read-only: changedtick', pcall_err(api.nvim_buf_set_var, 0, 'changedtick', 1))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_get_changedtick', function()
 | 
						|
    it('works', function()
 | 
						|
      eq(2, api.nvim_buf_get_changedtick(0))
 | 
						|
      api.nvim_buf_set_lines(0, 0, 1, false, { 'abc\0', '\0def', 'ghi' })
 | 
						|
      eq(3, api.nvim_buf_get_changedtick(0))
 | 
						|
      eq(3, api.nvim_buf_get_var(0, 'changedtick'))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('buffer_set_var returns the old value', function()
 | 
						|
      local val1 = { 1, 2, { ['3'] = 1 } }
 | 
						|
      local val2 = { 4, 7 }
 | 
						|
      eq(NIL, request('buffer_set_var', 0, 'lua', val1))
 | 
						|
      eq(val1, request('buffer_set_var', 0, 'lua', val2))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('buffer_del_var returns the old value', function()
 | 
						|
      local val1 = { 1, 2, { ['3'] = 1 } }
 | 
						|
      local val2 = { 4, 7 }
 | 
						|
      eq(NIL, request('buffer_set_var', 0, 'lua', val1))
 | 
						|
      eq(val1, request('buffer_set_var', 0, 'lua', val2))
 | 
						|
      eq(val2, request('buffer_del_var', 0, 'lua'))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_get_option_value, nvim_set_option_value', function()
 | 
						|
    it('works', function()
 | 
						|
      eq(8, api.nvim_get_option_value('shiftwidth', {}))
 | 
						|
      api.nvim_set_option_value('shiftwidth', 4, {})
 | 
						|
      eq(4, api.nvim_get_option_value('shiftwidth', {}))
 | 
						|
      -- global-local option
 | 
						|
      api.nvim_set_option_value('define', 'test', { buf = 0 })
 | 
						|
      eq('test', api.nvim_get_option_value('define', { buf = 0 }))
 | 
						|
      -- Doesn't change the global value
 | 
						|
      eq('', api.nvim_get_option_value('define', { scope = 'global' }))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('returns values for unset local options', function()
 | 
						|
      -- 'undolevels' is only set to its "unset" value when a new buffer is
 | 
						|
      -- created
 | 
						|
      command('enew')
 | 
						|
      eq(-123456, api.nvim_get_option_value('undolevels', { buf = 0 }))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_get_name, nvim_buf_set_name', function()
 | 
						|
    it('works', function()
 | 
						|
      command('new')
 | 
						|
      eq('', api.nvim_buf_get_name(0))
 | 
						|
      local new_name = api.nvim_eval('resolve(tempname())')
 | 
						|
      api.nvim_buf_set_name(0, new_name)
 | 
						|
      eq(new_name, api.nvim_buf_get_name(0))
 | 
						|
      command('w!')
 | 
						|
      eq(1, fn.filereadable(new_name))
 | 
						|
      os.remove(new_name)
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_is_loaded', function()
 | 
						|
    it('works', function()
 | 
						|
      -- record our buffer number for when we unload it
 | 
						|
      local bufnr = api.nvim_buf_get_number(0)
 | 
						|
      -- api should report that the buffer is loaded
 | 
						|
      ok(api.nvim_buf_is_loaded(bufnr))
 | 
						|
      -- hide the current buffer by switching to a new empty buffer
 | 
						|
      -- Careful! we need to modify the buffer first or vim will just reuse it
 | 
						|
      api.nvim_buf_set_lines(bufnr, 0, -1, true, { 'line1' })
 | 
						|
      command('hide enew')
 | 
						|
      -- confirm the buffer is hidden, but still loaded
 | 
						|
      local infolist = api.nvim_eval('getbufinfo(' .. bufnr .. ')')
 | 
						|
      eq(1, #infolist)
 | 
						|
      eq(1, infolist[1].hidden)
 | 
						|
      eq(1, infolist[1].loaded)
 | 
						|
      -- now force unload the buffer
 | 
						|
      command('bunload! ' .. bufnr)
 | 
						|
      -- confirm the buffer is unloaded
 | 
						|
      infolist = api.nvim_eval('getbufinfo(' .. bufnr .. ')')
 | 
						|
      eq(0, infolist[1].loaded)
 | 
						|
      -- nvim_buf_is_loaded() should also report the buffer as unloaded
 | 
						|
      eq(false, api.nvim_buf_is_loaded(bufnr))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_is_valid', function()
 | 
						|
    it('works', function()
 | 
						|
      command('new')
 | 
						|
      local b = api.nvim_get_current_buf()
 | 
						|
      ok(api.nvim_buf_is_valid(b))
 | 
						|
      command('bw!')
 | 
						|
      ok(not api.nvim_buf_is_valid(b))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_delete', function()
 | 
						|
    it('allows for just deleting', function()
 | 
						|
      command('new')
 | 
						|
      local b = api.nvim_get_current_buf()
 | 
						|
      ok(api.nvim_buf_is_valid(b))
 | 
						|
      api.nvim_buf_delete(b, {})
 | 
						|
      ok(not api.nvim_buf_is_loaded(b))
 | 
						|
      ok(not api.nvim_buf_is_valid(b))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('allows for just unloading', function()
 | 
						|
      command('new')
 | 
						|
      local b = api.nvim_get_current_buf()
 | 
						|
      ok(api.nvim_buf_is_valid(b))
 | 
						|
      api.nvim_buf_delete(b, { unload = true })
 | 
						|
      ok(not api.nvim_buf_is_loaded(b))
 | 
						|
      ok(api.nvim_buf_is_valid(b))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_get_mark', function()
 | 
						|
    it('works', function()
 | 
						|
      api.nvim_buf_set_lines(0, -1, -1, true, { 'a', 'bit of', 'text' })
 | 
						|
      api.nvim_win_set_cursor(0, { 3, 4 })
 | 
						|
      command('mark v')
 | 
						|
      eq({ 3, 0 }, api.nvim_buf_get_mark(0, 'v'))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_set_mark', function()
 | 
						|
    it('works with buffer local marks', function()
 | 
						|
      api.nvim_buf_set_lines(0, -1, -1, true, { 'a', 'bit of', 'text' })
 | 
						|
      eq(true, api.nvim_buf_set_mark(0, 'z', 1, 1, {}))
 | 
						|
      eq({ 1, 1 }, api.nvim_buf_get_mark(0, 'z'))
 | 
						|
      eq({ 0, 1, 2, 0 }, fn.getpos("'z"))
 | 
						|
    end)
 | 
						|
    it('works with file/uppercase marks', function()
 | 
						|
      api.nvim_buf_set_lines(0, -1, -1, true, { 'a', 'bit of', 'text' })
 | 
						|
      eq(true, api.nvim_buf_set_mark(0, 'Z', 3, 2, {}))
 | 
						|
      eq({ 3, 2 }, api.nvim_buf_get_mark(0, 'Z'))
 | 
						|
      eq({ api.nvim_get_current_buf(), 3, 3, 0 }, fn.getpos("'Z"))
 | 
						|
    end)
 | 
						|
    it('fails when invalid marks names are used', function()
 | 
						|
      eq(false, pcall(api.nvim_buf_set_mark, 0, '!', 1, 0, {}))
 | 
						|
      eq(false, pcall(api.nvim_buf_set_mark, 0, 'fail', 1, 0, {}))
 | 
						|
    end)
 | 
						|
    it('fails when invalid buffer number is used', function()
 | 
						|
      eq(false, pcall(api.nvim_buf_set_mark, 99, 'a', 1, 1, {}))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_del_mark', function()
 | 
						|
    it('works with buffer local marks', function()
 | 
						|
      api.nvim_buf_set_lines(0, -1, -1, true, { 'a', 'bit of', 'text' })
 | 
						|
      api.nvim_buf_set_mark(0, 'z', 3, 1, {})
 | 
						|
      eq(true, api.nvim_buf_del_mark(0, 'z'))
 | 
						|
      eq({ 0, 0 }, api.nvim_buf_get_mark(0, 'z'))
 | 
						|
    end)
 | 
						|
    it('works with file/uppercase marks', function()
 | 
						|
      api.nvim_buf_set_lines(0, -1, -1, true, { 'a', 'bit of', 'text' })
 | 
						|
      api.nvim_buf_set_mark(0, 'Z', 3, 3, {})
 | 
						|
      eq(true, api.nvim_buf_del_mark(0, 'Z'))
 | 
						|
      eq({ 0, 0 }, api.nvim_buf_get_mark(0, 'Z'))
 | 
						|
    end)
 | 
						|
    it('returns false in marks not set in this buffer', function()
 | 
						|
      local abuf = api.nvim_create_buf(false, true)
 | 
						|
      api.nvim_buf_set_lines(abuf, -1, -1, true, { 'a', 'bit of', 'text' })
 | 
						|
      api.nvim_buf_set_mark(abuf, 'A', 2, 2, {})
 | 
						|
      eq(false, api.nvim_buf_del_mark(0, 'A'))
 | 
						|
      eq({ 2, 2 }, api.nvim_buf_get_mark(abuf, 'A'))
 | 
						|
    end)
 | 
						|
    it('returns false if mark was not deleted', function()
 | 
						|
      api.nvim_buf_set_lines(0, -1, -1, true, { 'a', 'bit of', 'text' })
 | 
						|
      api.nvim_buf_set_mark(0, 'z', 3, 1, {})
 | 
						|
      eq(true, api.nvim_buf_del_mark(0, 'z'))
 | 
						|
      eq(false, api.nvim_buf_del_mark(0, 'z')) -- Mark was already deleted
 | 
						|
    end)
 | 
						|
    it('fails when invalid marks names are used', function()
 | 
						|
      eq(false, pcall(api.nvim_buf_del_mark, 0, '!'))
 | 
						|
      eq(false, pcall(api.nvim_buf_del_mark, 0, 'fail'))
 | 
						|
    end)
 | 
						|
    it('fails when invalid buffer number is used', function()
 | 
						|
      eq(false, pcall(api.nvim_buf_del_mark, 99, 'a'))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
end)
 |