# Copyright 2008-2018 pydicom authors. See LICENSE file for details.
"""Tests for errors.py"""

import pytest

from pydicom.errors import InvalidDicomError


def test_message():
    """Test InvalidDicomError with a message"""

    def _test():
        raise InvalidDicomError("test msg")

    with pytest.raises(InvalidDicomError, match="test msg"):
        _test()


def test_no_message():
    """Test InvalidDicomError with no message"""

    def _test():
        raise InvalidDicomError

    with pytest.raises(
        InvalidDicomError, match="The specified file is not a valid DICOM file."
    ):
        _test()