import numpy as np from numpy.testing import * class TestView(TestCase): def test_type(self): x = np.array([1,2,3]) assert(isinstance(x.view(np.matrix),np.matrix)) def test_keywords(self): x = np.array([(1,2)],dtype=[('a',np.int8),('b',np.int8)]) # We must be specific about the endianness here: y = x.view(dtype='