test_multiarray.py 文件源码

def test_roundtrip_single_types(self):
        for typ in np.typeDict.values():
            dtype = np.dtype(typ)

            if dtype.char in 'Mm':
                # datetimes cannot be used in buffers
                continue
            if dtype.char == 'V':
                # skip void
                continue

            x = np.zeros(4, dtype=dtype)
            self._check_roundtrip(x)

            if dtype.char not in 'qQgG':
                dt = dtype.newbyteorder('<')
                x = np.zeros(4, dtype=dt)
                self._check_roundtrip(x)

                dt = dtype.newbyteorder('>')
                x = np.zeros(4, dtype=dt)
                self._check_roundtrip(x)