test_multiarray.py 文件源码

def test_setfield_object(self):
        # make sure object field assignment with ndarray value
        # on void scalar mimics setitem behavior
        b = np.zeros(1, dtype=[('x', 'O')])
        # next line should work identically to b['x'][0] = np.arange(3)
        b[0]['x'] = np.arange(3)
        assert_equal(b[0]['x'], np.arange(3))

        # check that broadcasting check still works
        c = np.zeros(1, dtype=[('x', 'O', 5)])

        def testassign():
            c[0]['x'] = np.arange(3)

        assert_raises(ValueError, testassign)