end
function test_insert_newline()
  io.write('\ntest_insert_newline')
  -- display a few lines with cursor on bottom line
  App.screen.init{width=25+30, height=60}
  Lines = load_array{'abc', 'def', 'ghi', 'jkl'}
  Line_width = App.screen.width
  Cursor1 = {line=1, pos=2}
  Screen_top1 = {line=1, pos=1}
  Screen_bottom1 = {}
  Zoom = 1
  local screen_top_margin = 15  -- pixels
  local line_height = math.floor(15*Zoom)  -- pixels
  App.draw()
  local y = screen_top_margin
  App.screen.check(y, 'abc', 'F - test_insert_newline/baseline/screen:1')
  y = y + line_height
  App.screen.check(y, 'def', 'F - test_insert_newline/baseline/screen:2')
  y = y + line_height
  App.screen.check(y, 'ghi', 'F - test_insert_newline/baseline/screen:3')
  -- after hitting the enter key the screen scrolls down
  App.run_after_keychord('return')
  check_eq(Screen_top1.line, 1, 'F - test_insert_newline/screen_top')
  check_eq(Cursor1.line, 2, 'F - test_insert_newline/cursor:line')
  check_eq(Cursor1.pos, 1, 'F - test_insert_newline/cursor:pos')
  y = screen_top_margin
  App.screen.check(y, 'a', 'F - test_insert_newline/screen:1')
  y = y + line_height
  App.screen.check(y, 'bc', 'F - test_insert_newline/screen:2')
  y = y + line_height
  App.screen.check(y, 'def', 'F - test_insert_newline/screen:3')

function test_insert_from_clipboard()
  io.write('\ntest_insert_from_clipboard')
  -- display a few lines with cursor on bottom line
  App.screen.init{width=25+30, height=60}
  Lines = load_array{'abc', 'def', 'ghi', 'jkl'}
  Line_width = App.screen.width
  Cursor1 = {line=1, pos=2}
  Screen_top1 = {line=1, pos=1}
  Screen_bottom1 = {}
  Zoom = 1
  local screen_top_margin = 15  -- pixels
  local line_height = math.floor(15*Zoom)  -- pixels
  App.draw()
  local y = screen_top_margin
  App.screen.check(y, 'abc', 'F - test_insert_from_clipboard/baseline/screen:1')
  y = y + line_height
  App.screen.check(y, 'def', 'F - test_insert_from_clipboard/baseline/screen:2')
  y = y + line_height
  App.screen.check(y, 'ghi', 'F - test_insert_from_clipboard/baseline/screen:3')
  -- after hitting the enter key the screen scrolls down
  App.clipboard = 'xy\nz'
  App.run_after_keychord('M-v')
  check_eq(Screen_top1.line, 1, 'F - test_insert_from_clipboard/screen_top')
  check_eq(Cursor1.line, 2, 'F - test_insert_from_clipboard/cursor:line')
  check_eq(Cursor1.pos, 2, 'F - test_insert_from_clipboard/cursor:pos')
  y = screen_top_margin
  App.screen.check(y, 'axy', 'F - test_insert_from_clipboard/screen:1')
  y = y + line_height
  App.screen.check(y, 'zbc', 'F - test_insert_from_clipboard/screen:2')
  y = y + line_height
  App.screen.check(y, 'def', 'F - test_insert_from_clipboard/screen:3')
end

      love.system.setClipboardText(s)

      App.setClipboardText(s)

      love.system.setClipboardText(s)

      App.setClipboardText(s)

    local s = love.system.getClipboardText()

    local s = App.getClipboardText()

end
App.clipboard = ''
function App.getClipboardText()
  return App.clipboard

function App.setClipboardText(s)
  App.clipboard = s
end

  App.getClipboardText = love.system.getClipboardText
  App.setClipboardText = love.system.setClipboardText