end
function test_click_past_end_of_word_wrapping_line()
  io.write('\ntest_click_past_end_of_word_wrapping_line')
  -- display a long line wrapping at a word boundary on a screen of more realistic length
  App.screen.init{width=200, height=80}
                   -- 0        1         2
                   -- 123456789012345678901
  Lines = load_array{'the quick brown fox jumped over the lazy dog'}
  Line_width = 160
  Cursor1 = {line=1, pos=1}
  Screen_top1 = {line=1, pos=1}
  Screen_bottom1 = {}
  App.draw()
  local y = Margin_top
  App.screen.check(y, 'the quick brown fox ', 'F - test_click_past_end_of_word_wrapping_line/baseline/screen:1')
  y = y + Line_height
  -- click past the end of the screen line but within Line_width
  App.draw()
  App.run_after_mouse_click(Line_width-2,y-2, 1)
  -- cursor moves to end of screen line
  check_eq(Cursor1.pos, 20, 'F - test_click_past_end_of_word_wrapping_line/cursor')

      if screen_line_index < #line.screen_line_starting_pos and mx > Line_width then

      if screen_line_index < #line.screen_line_starting_pos and mx > Text.screen_line_width(line, screen_line_index) then

function Text.screen_line_width(line, i)
  local start_pos = line.screen_line_starting_pos[i]
  local start_offset = Text.offset(line.data, start_pos)
  local screen_line
  if i < #line.screen_line_starting_pos then
    local past_end_pos = line.screen_line_starting_pos[i+1]
    local past_end_offset = Text.offset(line.data, past_end_pos)
    screen_line = string.sub(line.data, start_offset, past_end_offset-1)
  else
    screen_line = string.sub(line.data, start_pos)
  end
  local screen_line_text = App.newText(love.graphics.getFont(), screen_line)
  return App.width(screen_line_text)
end