old_contents: import pytest
  
  from rich.padding import Padding
  
  
  def test_repr():
      padding = Padding("foo", (1, 2))
      assert isinstance(repr(padding), str)
  
  
  def test_unpack():
      assert Padding.unpack(3) == (3, 3, 3, 3)
      assert Padding.unpack((3,)) == (3, 3, 3, 3)
      assert Padding.unpack((3, 4)) == (3, 4, 3, 4)
      assert Padding.unpack((3, 4, 5, 6)) == (3, 4, 5, 6)
      with pytest.raises(ValueError):
          Padding.unpack((1, 2, 3))
  
new_contents: import pytest
  
  from rich.padding import Padding
  
  
  def test_repr():
      padding = Padding("foo", (1, 2))
      assert isinstance(repr(padding), str)
  
  
  def test_indent():
      assert Padding.indent("test", 4).left == 4
  
  
  def test_unpack():
      assert Padding.unpack(3) == (3, 3, 3, 3)
      assert Padding.unpack((3,)) == (3, 3, 3, 3)
      assert Padding.unpack((3, 4)) == (3, 4, 3, 4)
      assert Padding.unpack((3, 4, 5, 6)) == (3, 4, 5, 6)
      with pytest.raises(ValueError):
          Padding.unpack((1, 2, 3))
  
subject: Add `test_indent()`