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				synced 2025-11-04 01:34:25 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			2084 lines
		
	
	
		
			70 KiB
		
	
	
	
		
			Lua
		
	
	
	
	
	
			
		
		
	
	
			2084 lines
		
	
	
		
			70 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, nvim, buffer = helpers.clear, helpers.nvim, helpers.buffer
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local curbuf, curwin, eq = helpers.curbuf, helpers.curwin, helpers.eq
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local curbufmeths, ok = helpers.curbufmeths, helpers.ok
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local describe_lua_and_rpc = helpers.describe_lua_and_rpc(describe)
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local meths = helpers.meths
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local funcs = helpers.funcs
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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 = helpers.NIL
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local command = helpers.command
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local bufmeths = helpers.bufmeths
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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 = meths.create_buf(false, true)
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      meths.buf_set_option(buf, 'undolevels', -1)
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      meths.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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      request('nvim_buf_set_lines', 0, 0, -1, 1, {"line1", "line2", "line3", "line4"})
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      -- Set the current cursor to {3, 2}.
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      curwin('set_cursor', {3, 2})
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      -- add 2 lines and delete 1 line above the current cursor position.
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      request('nvim_buf_set_lines', 0, 1, 2, 1, {"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"}, buffer('get_lines', 0, 0, -1, 1))
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      -- cursor should be moved below by 1 line.
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      eq({4, 2}, curwin('get_cursor'))
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      -- add a line after the current cursor position.
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      request('nvim_buf_set_lines', 0, 5, 5, 1, {"line7"})
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      -- check the current set of lines in the buffer.
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      eq({"line1", "line5", "line6", "line3", "line4", "line7"}, buffer('get_lines', 0, 0, -1, 1))
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      -- cursor position is unchanged.
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      eq({4, 2}, curwin('get_cursor'))
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      -- overwrite current cursor line.
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      request('nvim_buf_set_lines', 0, 3, 5, 1, {"line8", "line9"})
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      -- check the current set of lines in the buffer.
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      eq({"line1", "line5", "line6", "line8",  "line9", "line7"}, buffer('get_lines', 0, 0, -1, 1))
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      -- cursor position is unchanged.
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      eq({4, 2}, curwin('get_cursor'))
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      -- delete current cursor line.
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      request('nvim_buf_set_lines', 0, 3, 5, 1, {})
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      -- check the current set of lines in the buffer.
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      eq({"line1", "line5", "line6", "line7"}, buffer('get_lines', 0, 0, -1, 1))
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      -- cursor position is unchanged.
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      eq({4, 2}, curwin('get_cursor'))
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    end)
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    it('cursor position is maintained in non-current window', function()
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      meths.buf_set_lines(0, 0, -1, 1, {"line1", "line2", "line3", "line4"})
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      meths.win_set_cursor(0, {3, 2})
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      local win = meths.get_current_win()
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      local buf = meths.get_current_buf()
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      command('new')
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      meths.buf_set_lines(buf, 1, 2, 1, {"line5", "line6"})
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      eq({"line1", "line5", "line6", "line3", "line4"}, meths.buf_get_lines(buf, 0, -1, true))
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      eq({4, 2}, meths.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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      meths.buf_set_lines(0, 0, -1, 1, {"line1", "line2", "line3", "line4"})
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      meths.win_set_cursor(0, {3, 2})
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      local win = meths.get_current_win()
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      local buf = meths.get_current_buf()
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      command('split')
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      meths.win_set_cursor(0, {4, 2})
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      local win2 = meths.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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      meths.buf_set_lines(buf, 1, 2, 1, {"line5", "line6"})
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      eq({"line1", "line5", "line6", "line3", "line4"}, meths.buf_get_lines(buf, 0, -1, true))
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      eq({4, 2}, meths.win_get_cursor(win))
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      eq({5, 2}, meths.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 = curbuf('get_number')
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      -- replace the buffer contents with these three lines
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      request('nvim_buf_set_lines', bufnr, 0, -1, 1, {"line1", "line2", "line3", "line4"})
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      -- check the line count is correct
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      eq(4, request('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, request('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 = curbuf('get_number')
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      -- replace the buffer contents with these three lines
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      buffer('set_lines', bufnr, 0, -1, 1, {"line1", "line2", "line3", "line4"})
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      -- confirm that getting lines works
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      eq({"line2", "line3"}, buffer('get_lines', bufnr, 1, 3, 1))
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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({}, buffer('get_lines', bufnr, 1, 3, 1))
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      -- it's impossible to get out-of-bounds errors for an unloaded buffer
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      eq({}, buffer('get_lines', bufnr, 8888, 9999, 1))
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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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        meths.buf_set_lines(0, 0, -1, 1, {"aaa", "bbb", "ccc", "ddd", "www", "xxx", "yyy", "zzz"})
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        meths.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 = meths.get_current_win()
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        local buf = meths.get_current_buf()
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        command('new | wincmd w')
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        meths.win_set_cursor(win, {8,0})
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        screen:expect{grid=[[
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                              |
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          {1:~                   }|
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          {1:~                   }|
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          {1:~                   }|
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          {1:~                   }|
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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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        meths.buf_set_lines(buf, 0, 2, true, {"aaabbb"})
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        screen:expect{grid=[[
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                              |
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          {1:~                   }|
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          {1:~                   }|
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          {1:~                   }|
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          {1:~                   }|
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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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        -- replacing topline keeps it the topline
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        meths.buf_set_lines(buf, 3, 4, true, {"wwweeee"})
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        screen:expect{grid=[[
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                              |
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          {1:~                   }|
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          {1:~                   }|
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          {1:~                   }|
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          {1:~                   }|
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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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        -- inserting just before topline does not scroll up if cursor would be moved
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        meths.buf_set_lines(buf, 3, 3, true, {"mmm"})
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        screen:expect{grid=[[
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                              |
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          {1:~                   }|
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          {1:~                   }|
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          {1:~                   }|
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          {1:~                   }|
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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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        ]], unchanged=true}
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        meths.win_set_cursor(0, {7, 0})
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        screen:expect{grid=[[
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                              |
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          {1:~                   }|
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          {1:~                   }|
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          {1:~                   }|
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          {1:~                   }|
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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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        meths.buf_set_lines(buf, 4, 4, true, {"mmmeeeee"})
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        screen:expect{grid=[[
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                              |
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          {1:~                   }|
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          {1:~                   }|
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          {1:~                   }|
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          {1:~                   }|
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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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      end)
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      it('of non-current window', function()
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        local win = meths.get_current_win()
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        local buf = meths.get_current_buf()
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        command('new')
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        meths.win_set_cursor(win, {8,0})
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        screen:expect{grid=[[
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          ^                    |
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						|
          {1:~                   }|
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						|
          {1:~                   }|
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						|
          {1:~                   }|
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          {1:~                   }|
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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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        meths.buf_set_lines(buf, 0, 2, true, {"aaabbb"})
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        screen:expect{grid=[[
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          ^                    |
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          {1:~                   }|
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						|
          {1:~                   }|
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						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {2:[No Name]           }|
 | 
						|
          www                 |
 | 
						|
          xxx                 |
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          yyy                 |
 | 
						|
          zzz                 |
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						|
          {3:[No Name] [+]       }|
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						|
                              |
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        ]]}
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        -- replacing topline keeps it the topline
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        meths.buf_set_lines(buf, 3, 4, true, {"wwweeee"})
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        screen:expect{grid=[[
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          ^                    |
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						|
          {1:~                   }|
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						|
          {1:~                   }|
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						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {2:[No Name]           }|
 | 
						|
          wwweeee             |
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						|
          xxx                 |
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          yyy                 |
 | 
						|
          zzz                 |
 | 
						|
          {3:[No Name] [+]       }|
 | 
						|
                              |
 | 
						|
        ]]}
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        -- inserting just before topline scrolls up
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        meths.buf_set_lines(buf, 3, 3, true, {"mmm"})
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        screen:expect{grid=[[
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						|
          ^                    |
 | 
						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {2:[No Name]           }|
 | 
						|
          mmm                 |
 | 
						|
          wwweeee             |
 | 
						|
          xxx                 |
 | 
						|
          yyy                 |
 | 
						|
          {3:[No Name] [+]       }|
 | 
						|
                              |
 | 
						|
        ]]}
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						|
      end)
 | 
						|
 | 
						|
      it('of split windows with same buffer', function()
 | 
						|
        local win = meths.get_current_win()
 | 
						|
        local buf = meths.get_current_buf()
 | 
						|
 | 
						|
        command('split')
 | 
						|
        meths.win_set_cursor(win, {8,0})
 | 
						|
        meths.win_set_cursor(0, {1,0})
 | 
						|
 | 
						|
        screen:expect{grid=[[
 | 
						|
          ^aaa                 |
 | 
						|
          bbb                 |
 | 
						|
          ccc                 |
 | 
						|
          ddd                 |
 | 
						|
          www                 |
 | 
						|
          {2:[No Name]           }|
 | 
						|
          www                 |
 | 
						|
          xxx                 |
 | 
						|
          yyy                 |
 | 
						|
          zzz                 |
 | 
						|
          {3:[No Name]           }|
 | 
						|
                              |
 | 
						|
        ]]}
 | 
						|
        meths.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
 | 
						|
        meths.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
 | 
						|
        meths.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 = meths.get_current_buf()
 | 
						|
        meths.buf_set_lines(buf, 0, -1, true, {"aaa", "bbb", "ccc"})
 | 
						|
        command("new")
 | 
						|
 | 
						|
        meths.buf_set_lines(0, 0, -1, true, {"xxx", "yyy", "zzz"})
 | 
						|
 | 
						|
        meths.buf_set_lines(buf, 0, -1, true, {})
 | 
						|
        eq({"xxx", "yyy", "zzz"}, meths.buf_get_lines(0, 0, -1, true))
 | 
						|
        eq({''}, meths.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(api)
 | 
						|
    local get_lines = api.curbufmeths.get_lines
 | 
						|
    local set_lines = api.curbufmeths.set_lines
 | 
						|
    local line_count = api.curbufmeths.line_count
 | 
						|
 | 
						|
    it('fails correctly when input is not valid', function()
 | 
						|
      eq(1, api.curbufmeths.get_number())
 | 
						|
      eq([['replacement string' item contains newlines]],
 | 
						|
        pcall_err(bufmeths.set_lines, 1, 1, 2, false, {'b\na'}))
 | 
						|
    end)
 | 
						|
 | 
						|
    it("fails if 'nomodifiable'", function()
 | 
						|
      command('set nomodifiable')
 | 
						|
      eq([[Buffer is not 'modifiable']],
 | 
						|
        pcall_err(api.bufmeths.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 = api.meths.create_buf(false,true)
 | 
						|
      screen:expect([[
 | 
						|
        Who would win?      |
 | 
						|
        A real window       |
 | 
						|
        with proper tex^t    |
 | 
						|
        {1:~                   }|
 | 
						|
                            |
 | 
						|
      ]])
 | 
						|
 | 
						|
      api.meths.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 = api.meths.create_buf(false,true)
 | 
						|
      command('vsplit')
 | 
						|
      command('vsplit')
 | 
						|
      feed('<c-w>l<c-w>l<c-w>l')
 | 
						|
      eq(3, funcs.winnr())
 | 
						|
      feed('<c-w>h')
 | 
						|
      eq(2, funcs.winnr())
 | 
						|
      api.meths.buf_set_lines(hiddenbuf, 0, -1, true,
 | 
						|
                              {'hidden buffer line 1', 'line 2'})
 | 
						|
      feed('<c-w>p')
 | 
						|
      eq(3, funcs.winnr())
 | 
						|
    end)
 | 
						|
 | 
						|
    it('set_lines on unloaded buffer #8659 #22670', function()
 | 
						|
      local bufnr = curbuf('get_number')
 | 
						|
      meths.buf_set_lines(bufnr, 0, -1, false, {'a', 'b', 'c'})
 | 
						|
      meths.buf_set_name(bufnr, 'set_lines')
 | 
						|
      finally(function()
 | 
						|
        os.remove('set_lines')
 | 
						|
      end)
 | 
						|
      command('write!')
 | 
						|
      command('new')
 | 
						|
      command('bunload! '..bufnr)
 | 
						|
      local new_bufnr = funcs.bufnr('set_lines', true)
 | 
						|
      meths.buf_set_lines(new_bufnr, 0, -1, false, {})
 | 
						|
      eq({''}, meths.buf_get_lines(new_bufnr, 0, -1, false))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_set_text', function()
 | 
						|
    local get_lines, set_text = curbufmeths.get_lines, curbufmeths.set_text
 | 
						|
 | 
						|
    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 `!`
 | 
						|
      curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('updates the cursor position in non-current window', function()
 | 
						|
      insert([[
 | 
						|
      hello world!]])
 | 
						|
 | 
						|
      -- position the cursor on `!`
 | 
						|
      meths.win_set_cursor(0, {1, 11})
 | 
						|
 | 
						|
      local win = meths.get_current_win()
 | 
						|
      local buf = meths.get_current_buf()
 | 
						|
 | 
						|
      command("new")
 | 
						|
 | 
						|
      -- replace 'world' with 'foo'
 | 
						|
      meths.buf_set_text(buf, 0, 6, 0, 11, {'foo'})
 | 
						|
      eq({'hello foo!'}, meths.buf_get_lines(buf, 0, -1, true))
 | 
						|
      -- cursor should be moved left by two columns (replacement is shorter by 2 chars)
 | 
						|
      eq({1, 9}, meths.win_get_cursor(win))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('updates the cursor position in TWO non-current windows', function()
 | 
						|
      insert([[
 | 
						|
      hello world!]])
 | 
						|
 | 
						|
      -- position the cursor on `!`
 | 
						|
      meths.win_set_cursor(0, {1, 11})
 | 
						|
      local win = meths.get_current_win()
 | 
						|
      local buf = meths.get_current_buf()
 | 
						|
 | 
						|
      command("split")
 | 
						|
      local win2 = meths.get_current_win()
 | 
						|
      -- position the cursor on `w`
 | 
						|
      meths.win_set_cursor(0, {1, 6})
 | 
						|
 | 
						|
      command("new")
 | 
						|
 | 
						|
      -- replace 'hello' with 'foo'
 | 
						|
      meths.buf_set_text(buf, 0, 0, 0, 5, {'foo'})
 | 
						|
      eq({'foo world!'}, meths.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}, meths.win_get_cursor(win))
 | 
						|
      eq({1, 4}, meths.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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
      end)
 | 
						|
 | 
						|
      it('updates the cursor position only in non-current window when in INSERT mode', function()
 | 
						|
        insert([[
 | 
						|
        abcd]])
 | 
						|
 | 
						|
        -- position the cursor on 'c'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
        -- quit INSERT mode
 | 
						|
        feed('<esc>')
 | 
						|
        -- close current window
 | 
						|
        feed('<c-w>c')
 | 
						|
        -- in another window cursor should be on 'c'
 | 
						|
        eq({1, 5}, curwin('get_cursor'))
 | 
						|
      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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
      end)
 | 
						|
 | 
						|
      it('leaves cursor at the same position in INSERT mode in current and non-current window', function()
 | 
						|
        insert([[
 | 
						|
        abcd]])
 | 
						|
 | 
						|
        -- position the cursor on 'b'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
        -- quit INSERT mode
 | 
						|
        feed('<esc>')
 | 
						|
        -- close current window
 | 
						|
        feed('<c-w>c')
 | 
						|
        -- cursor in non-current window should stay on 'c'
 | 
						|
        eq({1, 1}, curwin('get_cursor'))
 | 
						|
      end)
 | 
						|
    end)
 | 
						|
 | 
						|
    describe('when cursor is inside replaced row range', function()
 | 
						|
      it('keeps cursor at the same position if cursor is 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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
      end)
 | 
						|
 | 
						|
      it('keeps cursor at the same position if cursor is 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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
      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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
        -- 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 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 't' in 'first'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
        -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
        eq({1, 19}, cursor)
 | 
						|
      end)
 | 
						|
 | 
						|
      it('adjusts cursor column to keep it valid in a 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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
        -- immediate call to nvim_win_get_cursor should have returned the same position
 | 
						|
        eq({2, 5}, cursor)
 | 
						|
      end)
 | 
						|
 | 
						|
      it('adjusts cursor column to keep it valid in a 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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
        -- 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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
        -- 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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
        -- 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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
        -- 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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
      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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
      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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
      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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
        -- 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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
        -- 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 and column to keep it inside replacement range if cursor is 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'
 | 
						|
          curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
          -- 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 is after 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'
 | 
						|
          curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
          -- 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'
 | 
						|
          curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
          -- 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'
 | 
						|
          curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
          -- 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'
 | 
						|
          curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
          -- 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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
 | 
						|
        -- 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}, curwin('get_cursor'))
 | 
						|
      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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
        -- 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}, curwin('get_cursor'))
 | 
						|
      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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
 | 
						|
        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}, curwin('get_cursor'))
 | 
						|
      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
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
        -- 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'
 | 
						|
        curwin('set_cursor', {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}, curwin('get_cursor'))
 | 
						|
        -- 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 = request('nvim_create_namespace', "my-fancy-plugin")
 | 
						|
      insert([[
 | 
						|
      foo bar
 | 
						|
      baz
 | 
						|
      ]])
 | 
						|
      local id1 = curbufmeths.set_extmark(ns, 0, 1, {})
 | 
						|
      local id2 = curbufmeths.set_extmark(ns, 0, 7, {})
 | 
						|
      local id3 = curbufmeths.set_extmark(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}, curbufmeths.get_extmark_by_id(ns, id1, {}))
 | 
						|
      -- mark gets shifted back because the replacement was shorter
 | 
						|
      eq({0, 5}, curbufmeths.get_extmark_by_id(ns, id2, {}))
 | 
						|
      -- mark on the next line is unaffected
 | 
						|
      eq({1, 1}, curbufmeths.get_extmark_by_id(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}, curbufmeths.get_extmark_by_id(ns, id3, {}))
 | 
						|
      -- but mark before replacement point is still unaffected
 | 
						|
      eq({0, 1}, curbufmeths.get_extmark_by_id(ns, id1, {}))
 | 
						|
      -- and the mark in the middle was shifted to the end of the insertion
 | 
						|
      eq({0, 6}, curbufmeths.get_extmark_by_id(ns, id2, {}))
 | 
						|
 | 
						|
      -- marks should be put back into the same place after undoing
 | 
						|
      set_text(0, 0, 0, 2, {''})
 | 
						|
      feed('u')
 | 
						|
      eq({0, 1}, curbufmeths.get_extmark_by_id(ns, id1, {}))
 | 
						|
      eq({0, 6}, curbufmeths.get_extmark_by_id(ns, id2, {}))
 | 
						|
      eq({0, 6}, curbufmeths.get_extmark_by_id(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}, curbufmeths.get_extmark_by_id(ns, id1, {}))
 | 
						|
      eq({0, 8}, curbufmeths.get_extmark_by_id(ns, id2, {}))
 | 
						|
      eq({0, 8}, curbufmeths.get_extmark_by_id(ns, id3, {}))
 | 
						|
    end)
 | 
						|
 | 
						|
    it("correctly marks changed region for redraw #13890", function()
 | 
						|
      local screen = Screen.new(20, 5)
 | 
						|
      screen:attach()
 | 
						|
 | 
						|
      insert([[
 | 
						|
      AAA
 | 
						|
      BBB
 | 
						|
      ]])
 | 
						|
 | 
						|
      curbufmeths.set_text(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))
 | 
						|
      meths.win_set_cursor(0, {1, 0})
 | 
						|
      exec_lua([[
 | 
						|
        vim.api.nvim_buf_set_text(0, 0, 3, 1, 0, {''})
 | 
						|
        vim.api.nvim_buf_set_text(0, 0, 3, 1, 0, {''})
 | 
						|
      ]])
 | 
						|
      eq({'one', 'two'}, get_lines(0, 2, true))
 | 
						|
    end)
 | 
						|
 | 
						|
    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()
 | 
						|
        meths.buf_set_lines(0, 0, -1, 1, {"aaa", "bbb", "ccc", "ddd", "www", "xxx", "yyy", "zzz"})
 | 
						|
        meths.set_option_value('modified', false, {})
 | 
						|
      end)
 | 
						|
 | 
						|
      it('of current window', function()
 | 
						|
        local win = meths.get_current_win()
 | 
						|
        local buf = meths.get_current_buf()
 | 
						|
 | 
						|
        command('new | wincmd w')
 | 
						|
        meths.win_set_cursor(win, {8,0})
 | 
						|
 | 
						|
        screen:expect{grid=[[
 | 
						|
                              |
 | 
						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {3:[No Name]           }|
 | 
						|
          www                 |
 | 
						|
          xxx                 |
 | 
						|
          yyy                 |
 | 
						|
          ^zzz                 |
 | 
						|
          {2:[No Name]           }|
 | 
						|
                              |
 | 
						|
        ]]}
 | 
						|
        meths.buf_set_text(buf, 0,3, 1,0, {"X"})
 | 
						|
 | 
						|
        screen:expect{grid=[[
 | 
						|
                              |
 | 
						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {3:[No Name]           }|
 | 
						|
          www                 |
 | 
						|
          xxx                 |
 | 
						|
          yyy                 |
 | 
						|
          ^zzz                 |
 | 
						|
          {2:[No Name] [+]       }|
 | 
						|
                              |
 | 
						|
        ]]}
 | 
						|
      end)
 | 
						|
 | 
						|
      it('of non-current window', function()
 | 
						|
        local win = meths.get_current_win()
 | 
						|
        local buf = meths.get_current_buf()
 | 
						|
 | 
						|
        command('new')
 | 
						|
        meths.win_set_cursor(win, {8,0})
 | 
						|
 | 
						|
        screen:expect{grid=[[
 | 
						|
          ^                    |
 | 
						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {2:[No Name]           }|
 | 
						|
          www                 |
 | 
						|
          xxx                 |
 | 
						|
          yyy                 |
 | 
						|
          zzz                 |
 | 
						|
          {3:[No Name]           }|
 | 
						|
                              |
 | 
						|
        ]]}
 | 
						|
 | 
						|
        meths.buf_set_text(buf, 0,3, 1,0, {"X"})
 | 
						|
        screen:expect{grid=[[
 | 
						|
          ^                    |
 | 
						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {1:~                   }|
 | 
						|
          {2:[No Name]           }|
 | 
						|
          www                 |
 | 
						|
          xxx                 |
 | 
						|
          yyy                 |
 | 
						|
          zzz                 |
 | 
						|
          {3:[No Name] [+]       }|
 | 
						|
                              |
 | 
						|
        ]]}
 | 
						|
      end)
 | 
						|
 | 
						|
      it('of split windows with same buffer', function()
 | 
						|
        local win = meths.get_current_win()
 | 
						|
        local buf = meths.get_current_buf()
 | 
						|
 | 
						|
        command('split')
 | 
						|
        meths.win_set_cursor(win, {8,0})
 | 
						|
        meths.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]           }|
 | 
						|
                              |
 | 
						|
        ]]}
 | 
						|
        meths.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(api)
 | 
						|
    local get_text = api.curbufmeths.get_text
 | 
						|
    before_each(function()
 | 
						|
      insert([[
 | 
						|
      hello foo!
 | 
						|
      text
 | 
						|
      more]])
 | 
						|
    end)
 | 
						|
 | 
						|
    it('works', function()
 | 
						|
      eq({'hello'}, get_text(0, 0, 0, 5, {}))
 | 
						|
      eq({'hello foo!'}, get_text(0, 0, 0, 42, {}))
 | 
						|
      eq({'foo!'}, get_text(0, 6, 0, 10, {}))
 | 
						|
      eq({'foo!', 'tex'}, get_text(0, 6, 1, 3, {}))
 | 
						|
      eq({'foo!', 'tex'}, get_text(-3, 6, -2, 3, {}))
 | 
						|
      eq({''}, get_text(0, 18, 0, 20, {}))
 | 
						|
      eq({'ext'}, get_text(-2, 1, -2, 4, {}))
 | 
						|
      eq({'hello foo!', 'text', 'm'}, get_text(0, 0, 2, 1, {}))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('errors on out-of-range', function()
 | 
						|
      eq('Index out of bounds', pcall_err(get_text, 2, 0, 4, 0, {}))
 | 
						|
      eq('Index out of bounds', pcall_err(get_text, -4, 0, 0, 0, {}))
 | 
						|
      eq('Index out of bounds', pcall_err(get_text, 0, 0, 3, 0, {}))
 | 
						|
      eq('Index out of bounds', pcall_err(get_text, 0, 0, -4, 0, {}))
 | 
						|
      -- no ml_get errors should happen #19017
 | 
						|
      eq('', meths.get_vvar('errmsg'))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('errors when start is greater than end', function()
 | 
						|
      eq("'start' is higher than 'end'", pcall_err(get_text, 1, 0, 0, 0, {}))
 | 
						|
      eq('start_col must be less than end_col', pcall_err(get_text, 0, 1, 0, 0, {}))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_get_offset', function()
 | 
						|
    local get_offset = curbufmeths.get_offset
 | 
						|
    it('works', function()
 | 
						|
      curbufmeths.set_lines(0,-1,true,{'Some\r','exa\000mple', '', 'buf\rfer', 'text'})
 | 
						|
      eq(5, curbufmeths.line_count())
 | 
						|
      eq(0, get_offset(0))
 | 
						|
      eq(6, get_offset(1))
 | 
						|
      eq(15, get_offset(2))
 | 
						|
      eq(16, get_offset(3))
 | 
						|
      eq(24, get_offset(4))
 | 
						|
      eq(29, get_offset(5))
 | 
						|
      eq('Index out of bounds', pcall_err(get_offset, 6))
 | 
						|
      eq('Index out of bounds', pcall_err(get_offset, -1))
 | 
						|
 | 
						|
      meths.set_option_value('eol', false, {})
 | 
						|
      meths.set_option_value('fixeol', false, {})
 | 
						|
      eq(28, get_offset(5))
 | 
						|
 | 
						|
      -- fileformat is ignored
 | 
						|
      meths.set_option_value('fileformat', 'dos', {})
 | 
						|
      eq(0, get_offset(0))
 | 
						|
      eq(6, get_offset(1))
 | 
						|
      eq(15, get_offset(2))
 | 
						|
      eq(16, get_offset(3))
 | 
						|
      eq(24, get_offset(4))
 | 
						|
      eq(28, get_offset(5))
 | 
						|
      meths.set_option_value('eol', true, {})
 | 
						|
      eq(29, get_offset(5))
 | 
						|
 | 
						|
      command("set hidden")
 | 
						|
      command("enew")
 | 
						|
      eq(6, bufmeths.get_offset(1,1))
 | 
						|
      command("bunload! 1")
 | 
						|
      eq(-1, bufmeths.get_offset(1,1))
 | 
						|
      eq(-1, bufmeths.get_offset(1,0))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('works in empty buffer', function()
 | 
						|
      eq(0, get_offset(0))
 | 
						|
      eq(1, get_offset(1))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('works in buffer with one line inserted', function()
 | 
						|
      feed('itext')
 | 
						|
      eq(0, get_offset(0))
 | 
						|
      eq(5, get_offset(1))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_get_var, nvim_buf_set_var, nvim_buf_del_var', function()
 | 
						|
    it('works', function()
 | 
						|
      curbuf('set_var', 'lua', {1, 2, {['3'] = 1}})
 | 
						|
      eq({1, 2, {['3'] = 1}}, curbuf('get_var', 'lua'))
 | 
						|
      eq({1, 2, {['3'] = 1}}, nvim('eval', 'b:lua'))
 | 
						|
      eq(1, funcs.exists('b:lua'))
 | 
						|
      curbufmeths.del_var('lua')
 | 
						|
      eq(0, funcs.exists('b:lua'))
 | 
						|
      eq( 'Key not found: lua', pcall_err(curbufmeths.del_var, 'lua'))
 | 
						|
      curbufmeths.set_var('lua', 1)
 | 
						|
      command('lockvar b:lua')
 | 
						|
      eq('Key is locked: lua', pcall_err(curbufmeths.del_var, 'lua'))
 | 
						|
      eq('Key is locked: lua', pcall_err(curbufmeths.set_var, 'lua', 1))
 | 
						|
      eq('Key is read-only: changedtick',
 | 
						|
         pcall_err(curbufmeths.del_var, 'changedtick'))
 | 
						|
      eq('Key is read-only: changedtick',
 | 
						|
         pcall_err(curbufmeths.set_var, 'changedtick', 1))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_get_changedtick', function()
 | 
						|
    it('works', function()
 | 
						|
      eq(2, curbufmeths.get_changedtick())
 | 
						|
      curbufmeths.set_lines(0, 1, false, {'abc\0', '\0def', 'ghi'})
 | 
						|
      eq(3, curbufmeths.get_changedtick())
 | 
						|
      eq(3, curbufmeths.get_var('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, nvim('get_option_value', 'shiftwidth', {}))
 | 
						|
      nvim('set_option_value', 'shiftwidth', 4, {})
 | 
						|
      eq(4, nvim('get_option_value', 'shiftwidth', {}))
 | 
						|
      -- global-local option
 | 
						|
      nvim('set_option_value', 'define', 'test', {buf = 0})
 | 
						|
      eq('test', nvim('get_option_value', 'define', {buf = 0}))
 | 
						|
      -- Doesn't change the global value
 | 
						|
      eq("", 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, nvim('get_option_value', 'undolevels', {buf=0}))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_get_name, nvim_buf_set_name', function()
 | 
						|
    it('works', function()
 | 
						|
      nvim('command', 'new')
 | 
						|
      eq('', curbuf('get_name'))
 | 
						|
      local new_name = nvim('eval', 'resolve(tempname())')
 | 
						|
      curbuf('set_name', new_name)
 | 
						|
      eq(new_name, curbuf('get_name'))
 | 
						|
      nvim('command', 'w!')
 | 
						|
      eq(1, funcs.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 = curbuf('get_number')
 | 
						|
      -- api should report that the buffer is loaded
 | 
						|
      ok(buffer('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
 | 
						|
      buffer('set_lines', bufnr, 0, -1, 1, {'line1'})
 | 
						|
      command('hide enew')
 | 
						|
      -- confirm the buffer is hidden, but still loaded
 | 
						|
      local infolist = 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 = nvim('eval', 'getbufinfo('..bufnr..')')
 | 
						|
      eq(0, infolist[1].loaded)
 | 
						|
      -- nvim_buf_is_loaded() should also report the buffer as unloaded
 | 
						|
      eq(false, buffer('is_loaded', bufnr))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_is_valid', function()
 | 
						|
    it('works', function()
 | 
						|
      nvim('command', 'new')
 | 
						|
      local b = nvim('get_current_buf')
 | 
						|
      ok(buffer('is_valid', b))
 | 
						|
      nvim('command', 'bw!')
 | 
						|
      ok(not buffer('is_valid', b))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_delete', function()
 | 
						|
    it('allows for just deleting', function()
 | 
						|
      nvim('command', 'new')
 | 
						|
      local b = nvim('get_current_buf')
 | 
						|
      ok(buffer('is_valid', b))
 | 
						|
      nvim('buf_delete', b, {})
 | 
						|
      ok(not buffer('is_loaded', b))
 | 
						|
      ok(not buffer('is_valid', b))
 | 
						|
    end)
 | 
						|
 | 
						|
    it('allows for just unloading', function()
 | 
						|
      nvim('command', 'new')
 | 
						|
      local b = nvim('get_current_buf')
 | 
						|
      ok(buffer('is_valid', b))
 | 
						|
      nvim('buf_delete', b, { unload = true })
 | 
						|
      ok(not buffer('is_loaded', b))
 | 
						|
      ok(buffer('is_valid', b))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_get_mark', function()
 | 
						|
    it('works', function()
 | 
						|
      curbuf('set_lines', -1, -1, true, {'a', 'bit of', 'text'})
 | 
						|
      curwin('set_cursor', {3, 4})
 | 
						|
      nvim('command', 'mark v')
 | 
						|
      eq({3, 0}, curbuf('get_mark', 'v'))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_set_mark', function()
 | 
						|
    it('works with buffer local marks', function()
 | 
						|
      curbufmeths.set_lines(-1, -1, true, {'a', 'bit of', 'text'})
 | 
						|
      eq(true, curbufmeths.set_mark('z', 1, 1, {}))
 | 
						|
      eq({1, 1}, curbufmeths.get_mark('z'))
 | 
						|
    end)
 | 
						|
    it('works with file/uppercase marks', function()
 | 
						|
      curbufmeths.set_lines(-1, -1, true, {'a', 'bit of', 'text'})
 | 
						|
      eq(true, curbufmeths.set_mark('Z', 3, 1, {}))
 | 
						|
      eq({3, 1}, curbufmeths.get_mark('Z'))
 | 
						|
    end)
 | 
						|
    it('fails when invalid marks names are used', function()
 | 
						|
      eq(false, pcall(curbufmeths.set_mark, '!', 1, 0, {}))
 | 
						|
      eq(false, pcall(curbufmeths.set_mark, 'fail', 1, 0, {}))
 | 
						|
    end)
 | 
						|
    it('fails when invalid buffer number is used', function()
 | 
						|
      eq(false, pcall(meths.buf_set_mark, 99, 'a', 1, 1, {}))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
 | 
						|
  describe('nvim_buf_del_mark', function()
 | 
						|
    it('works with buffer local marks', function()
 | 
						|
      curbufmeths.set_lines(-1, -1, true, {'a', 'bit of', 'text'})
 | 
						|
      curbufmeths.set_mark('z', 3, 1, {})
 | 
						|
      eq(true, curbufmeths.del_mark('z'))
 | 
						|
      eq({0, 0}, curbufmeths.get_mark('z'))
 | 
						|
    end)
 | 
						|
    it('works with file/uppercase marks', function()
 | 
						|
      curbufmeths.set_lines(-1, -1, true, {'a', 'bit of', 'text'})
 | 
						|
      curbufmeths.set_mark('Z', 3, 3, {})
 | 
						|
      eq(true, curbufmeths.del_mark('Z'))
 | 
						|
      eq({0, 0}, curbufmeths.get_mark('Z'))
 | 
						|
    end)
 | 
						|
    it('returns false in marks not set in this buffer', function()
 | 
						|
      local abuf = meths.create_buf(false,true)
 | 
						|
      bufmeths.set_lines(abuf, -1, -1, true, {'a', 'bit of', 'text'})
 | 
						|
      bufmeths.set_mark(abuf, 'A', 2, 2, {})
 | 
						|
      eq(false, curbufmeths.del_mark('A'))
 | 
						|
      eq({2, 2}, bufmeths.get_mark(abuf, 'A'))
 | 
						|
    end)
 | 
						|
    it('returns false if mark was not deleted', function()
 | 
						|
      curbufmeths.set_lines(-1, -1, true, {'a', 'bit of', 'text'})
 | 
						|
      curbufmeths.set_mark('z', 3, 1, {})
 | 
						|
      eq(true, curbufmeths.del_mark('z'))
 | 
						|
      eq(false, curbufmeths.del_mark('z'))  -- Mark was already deleted
 | 
						|
    end)
 | 
						|
    it('fails when invalid marks names are used', function()
 | 
						|
      eq(false, pcall(curbufmeths.del_mark, '!'))
 | 
						|
      eq(false, pcall(curbufmeths.del_mark, 'fail'))
 | 
						|
    end)
 | 
						|
    it('fails when invalid buffer number is used', function()
 | 
						|
      eq(false, pcall(meths.buf_del_mark, 99, 'a'))
 | 
						|
    end)
 | 
						|
  end)
 | 
						|
end)
 |