new_contents: import numpy.polynomial as poly
  from numpy.testing import TestCase, run_module_suite, assert_
  
  class test_str(TestCase):
      def test_polynomial_str(self):
          res = str(poly.Polynomial([0,1]))
          tgt = 'poly([0., 1.])'
          assert_(res, tgt)
  
  
      def test_chebyshev_str(self):
          res = str(poly.Chebyshev([0,1]))
          tgt = 'leg([0., 1.])'
          assert_(res, tgt)
  
  
      def test_legendre_str(self):
          res = str(poly.Legendre([0,1]))
          tgt = 'leg([0., 1.])'
          assert_(res, tgt)
  
  
      def test_hermite_str(self):
          res = str(poly.Hermite([0,1]))
          tgt = 'herm([0., 1.])'
          assert_(res, tgt)
  
  
      def test_hermiteE_str(self):
          res = str(poly.HermiteE([0,1]))
          tgt = 'herme([0., 1.])'
          assert_(res, tgt)
  
  
      def test_laguerre_str(self):
          res = str(poly.Laguerre([0,1]))
          tgt = 'lag([0., 1.])'
          assert_(res, tgt)
  
  
  class test_repr(TestCase):
      def test_polynomial_str(self):
          res = repr(poly.Polynomial([0,1]))
          tgt = 'Polynomial([0., 1.])'
          assert_(res, tgt)
  
  
      def test_chebyshev_str(self):
          res = repr(poly.Chebyshev([0,1]))
          tgt = 'Chebyshev([0., 1.], [-1., 1.], [-1., 1.])'
          assert_(res, tgt)
  
  
      def test_legendre_repr(self):
          res = repr(poly.Legendre([0,1]))
          tgt = 'Legendre([0., 1.], [-1., 1.], [-1., 1.])'
          assert_(res, tgt)
  
  
      def test_hermite_repr(self):
          res = repr(poly.Hermite([0,1]))
          tgt = 'Hermite([0., 1.], [-1., 1.], [-1., 1.])'
          assert_(res, tgt)
  
  
      def test_hermiteE_repr(self):
          res = repr(poly.HermiteE([0,1]))
          tgt = 'HermiteE([0., 1.], [-1., 1.], [-1., 1.])'
          assert_(res, tgt)
  
  
      def test_laguerre_repr(self):
          res = repr(poly.Laguerre([0,1]))
          tgt = 'Laguerre([0., 1.], [0., 1.], [0., 1.])'
          assert_(res, tgt)
  
  
  #
  
  if __name__ == "__main__":
      run_module_suite()
  
subject: Add some tests for polynomial printing.