function test_click_with_mouse()
  io.write('\ntest_click')
  -- display two lines with cursor on one of them
  App.screen.init{width=50, height=80}
  Lines = load_array{'abc', 'def'}
  Line_width = App.screen.width
  Cursor1 = {line=2, pos=1}
  Screen_top1 = {line=1, pos=1}
  Screen_bottom1 = {}
  -- click on the other line
  local screen_left_margin = 25  -- pixels
  App.draw()
  App.run_after_mouse_click(screen_left_margin+8,Margin_top+5, '1')
  -- cursor moves
  check_eq(Cursor1.line, 1, 'F - test_click/cursor')
end

function App.run_after_mouse_click(x,y, button)
  App.fake_mouse_press(x,y, button)
  App.mousepressed(x,y, button)
  App.fake_mouse_release(x,y, button)
  App.mousereleased(x,y, button)
  App.screen.contents = {}
  App.draw()
end