57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
# Copyright (c) 2013 Nicolas Dandrimont <nicolas.dandrimont@crans.org>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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# DEALINGS IN THE SOFTWARE.
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from hy.models.cons import HyCons
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def test_cons_slicing():
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"""Check that cons slicing works as expected"""
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cons = HyCons("car", "cdr")
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assert cons[0] == "car"
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assert cons[1:] == "cdr"
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try:
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cons[:]
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assert True is False
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except IndexError:
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pass
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try:
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cons[1]
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assert True is False
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except IndexError:
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pass
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def test_cons_replacing():
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"""Check that assigning to a cons works as expected"""
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cons = HyCons("foo", "bar")
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cons[0] = "car"
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assert cons == HyCons("car", "bar")
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cons[1:] = "cdr"
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assert cons == HyCons("car", "cdr")
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try:
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cons[:] = "foo"
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assert True is False
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except IndexError:
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pass
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