code: def test_cell_len_long_string():
      # Long strings don't use cached cell length implementation
      assert cells.cell_len("abc" * 200) == 3 * 200
      # Boundary case
      assert cells.cell_len("a" * 512) == 512
  
file_path: rich/tests/test_cells.py
imports: from rich import cells
  from rich.cells import chop_cells
label_desc: Use image node_id 1 for calling a global function with example usage: test_cell_len_long_string() without return types