old_contents: from sympy.core.compatibility import default_sort_key, as_int, ordered
  from sympy.core.singleton import S
  from sympy.utilities.pytest import raises
  
  from sympy.abc import x
  
  
  def test_default_sort_key():
      func = lambda x: x
      assert sorted([func, x, func], key=default_sort_key) == [func, func, x]
  
  
  def test_as_int():
      raises(ValueError, lambda : as_int(1.1))
      raises(ValueError, lambda : as_int([]))
  
  
  def test_ordered():
      # Issue 7210 - this had been failing with python2/3 problems
      assert (list(ordered([{1:3, 2:4, 9:10}, {1:3}])) == \
                 [{1: 3}, {1: 3, 2: 4, 9: 10}])
      # warnings should not be raised for identical items
      l = [1, 1]
      assert list(ordered(l, warn=True)) == l
      l = [[1], [2], [1]]
      assert list(ordered(l, warn=True)) == [[1], [1], [2]]
      raises(ValueError, lambda: list(ordered(['a', 'ab'], keys=[lambda x: x[0]],
          default=False, warn=True)))
  
new_contents: from sympy.core.compatibility import default_sort_key, as_int, ordered, iterable
  from sympy.core.singleton import S
  from sympy.utilities.pytest import raises
  
  from sympy.abc import x
  
  
  def test_default_sort_key():
      func = lambda x: x
      assert sorted([func, x, func], key=default_sort_key) == [func, func, x]
  
  
  def test_as_int():
      raises(ValueError, lambda : as_int(1.1))
      raises(ValueError, lambda : as_int([]))
  
  
  def test_iterable():
      assert iterable(0) == False
      assert iterable(1) == False
      assert iterable(None) == False
  
  
  def test_ordered():
      # Issue 7210 - this had been failing with python2/3 problems
      assert (list(ordered([{1:3, 2:4, 9:10}, {1:3}])) == \
                 [{1: 3}, {1: 3, 2: 4, 9: 10}])
      # warnings should not be raised for identical items
      l = [1, 1]
      assert list(ordered(l, warn=True)) == l
      l = [[1], [2], [1]]
      assert list(ordered(l, warn=True)) == [[1], [1], [2]]
      raises(ValueError, lambda: list(ordered(['a', 'ab'], keys=[lambda x: x[0]],
          default=False, warn=True)))
  
subject: Test some basic properties of iterable()