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# of this software and associated documentation files (the "Software"), to deal
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# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# @license: http://www.opensource.org/licenses/mit-license.php
# @author: see AUTHORS file

"""Make sure we're using the fastest backend available"""

try:
    from lxml.etree import Element as lElement
    LXML = True
except ImportError:
    LXML = False

try:
    from xml.etree.cElementTree import Element as cElement
    C = True
except ImportError:
    C = False

from xml.etree.ElementTree import Element as pyElement

def test_backend():
    from openpyxl.shared.xmltools import Element
    if LXML is True:
        assert Element == lElement
    elif C is True:
        assert Element == cElement
    else:
        assert Element == pyElement
