old_contents: import numpy as N
  from numpy.testing.utils import *
  
  class TestEqual:
      def _test_equal(self, a, b):
          assert_array_equal(a, b)
  
      def _test_not_equal(self, a, b):
          passed = False
          try:
              assert_array_equal(a, b)
              passed = True
          except AssertionError:
              pass
  
          if passed:
              raise AssertionError("a and b are found equal but are not")
  
      def test_array_rank1_eq(self):
          """Test two equal array of rank 1 are found equal."""
          a = N.array([1, 2])
          b = N.array([1, 2])
  
          self._test_equal(a, b)
  
      def test_array_rank1_noteq(self):
          """Test two different array of rank 1 are found not equal."""
          a = N.array([1, 2])
          b = N.array([2, 2])
  
          self._test_not_equal(a, b)
  
      def test_array_rank2_eq(self):
          """Test two equal array of rank 2 are found equal."""
          a = N.array([[1, 2], [3, 4]])
          b = N.array([[1, 2], [3, 4]])
  
          self._test_equal(a, b)
  
      def test_array_diffshape(self):
          """Test two arrays with different shapes are found not equal."""
          a = N.array([1, 2])
          b = N.array([[1, 2], [1, 2]])
  
          self._test_not_equal(a, b)
  
      def test_string_arrays(self):
          """Test two arrays with different shapes are found not equal."""
          a = N.array(['floupi', 'floupa'])
          b = N.array(['floupi', 'floupa'])
  
          self._test_equal(a, b)
  
          c = N.array(['floupipi', 'floupa'])
  
          self._test_not_equal(c, b)
  
  
new_contents: import numpy as N
  from numpy.testing.utils import *
  
  class TestEqual:
      def _test_equal(self, a, b):
          assert_array_equal(a, b)
  
      def _test_not_equal(self, a, b):
          passed = False
          try:
              assert_array_equal(a, b)
              passed = True
          except AssertionError:
              pass
  
          if passed:
              raise AssertionError("a and b are found equal but are not")
  
      def test_array_rank1_eq(self):
          """Test two equal array of rank 1 are found equal."""
          a = N.array([1, 2])
          b = N.array([1, 2])
  
          self._test_equal(a, b)
  
      def test_array_rank1_noteq(self):
          """Test two different array of rank 1 are found not equal."""
          a = N.array([1, 2])
          b = N.array([2, 2])
  
          self._test_not_equal(a, b)
  
      def test_array_rank2_eq(self):
          """Test two equal array of rank 2 are found equal."""
          a = N.array([[1, 2], [3, 4]])
          b = N.array([[1, 2], [3, 4]])
  
          self._test_equal(a, b)
  
      def test_array_diffshape(self):
          """Test two arrays with different shapes are found not equal."""
          a = N.array([1, 2])
          b = N.array([[1, 2], [1, 2]])
  
          self._test_not_equal(a, b)
  
      def test_nan_array(self):
          """Test two arrays with different shapes are found not equal."""
          a = N.array([1, 2])
          b = N.array([[1, 2], [1, 2]])
  
          self._test_not_equal(a, b)
  
      def test_string_arrays(self):
          """Test two arrays with different shapes are found not equal."""
          a = N.array(['floupi', 'floupa'])
          b = N.array(['floupi', 'floupa'])
  
          self._test_equal(a, b)
  
          c = N.array(['floupipi', 'floupa'])
  
          self._test_not_equal(c, b)
  
      def test_recarrays(self):
          """Test record arrays."""
          a = N.empty(2, [('floupi', N.float), ('floupa', N.float)])
          a['floupi'] = [1, 2]
          a['floupa'] = [1, 2]
          b = a.copy()
  
          self._test_equal(a, b)
  
          c = N.empty(2, [('floupipi', N.float), ('floupa', N.float)])
          c['floupipi'] = a['floupi'].copy()
          c['floupa'] = a['floupa'].copy()
  
          self._test_not_equal(c, b)
  
  
subject: Test assert* funcs for arrays with Nan and rec arrays.