28 lines
651 B
Python
28 lines
651 B
Python
# -*- coding: utf-8 -*-
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"""Test objects from constants.
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This file is part of PyVISA.
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:copyright: 2019-2022 by PyVISA Authors, see AUTHORS for more details.
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:license: MIT, see LICENSE for more details.
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"""
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import pytest
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from pyvisa.constants import DataWidth
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from . import BaseTestCase
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class TestDataWidth(BaseTestCase):
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def test_conversion_from_literal(self):
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for v, e in zip(
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(8, 16, 32, 64),
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(DataWidth.bit_8, DataWidth.bit_16, DataWidth.bit_32, DataWidth.bit_64),
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):
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assert DataWidth.from_literal(v) == e
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with pytest.raises(ValueError):
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DataWidth.from_literal(0)
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