Method test_empty_array

numpy/core/tests/test_memmap.py:207–215

(self)

        assert_equal(mm.shape, (2,))

    def test_empty_array(self):
        # gh-12653
        with pytest.raises(ValueError, match='empty file'):
            memmap(self.tmpfp, shape=(0,4), mode='w+')

        self.tmpfp.write(b'\0')

        # ok now the file is not empty
        memmap(self.tmpfp, shape=(0,4), mode='w+')