test_mrecords.py 文件源码

def test_hardmask(self):
        # Test hardmask
        base = self.base.copy()
        mbase = base.view(mrecarray)
        mbase.harden_mask()
        self.assertTrue(mbase._hardmask)
        mbase.mask = nomask
        assert_equal_records(mbase._mask, base._mask)
        mbase.soften_mask()
        self.assertTrue(not mbase._hardmask)
        mbase.mask = nomask
        # So, the mask of a field is no longer set to nomask...
        assert_equal_records(mbase._mask,
                             ma.make_mask_none(base.shape, base.dtype))
        self.assertTrue(ma.make_mask(mbase['b']._mask) is nomask)
        assert_equal(mbase['a']._mask, mbase['b']._mask)