71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2014-2015 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
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#
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# This file is part of qutebrowser.
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#
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# qutebrowser is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# qutebrowser is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with qutebrowser. If not, see <http://www.gnu.org/licenses/>.
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"""
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Provides test data for overflow checking.
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Module attributes:
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INT32_MIN: Minimum valid value for a signed int32.
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INT32_MAX: Maximum valid value for a signed int32.
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INT64_MIN: Minimum valid value for a signed int64.
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INT64_MAX: Maximum valid value for a signed int64.
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GOOD_VALUES: A dict of types mapped to a list of good values.
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BAD_VALUES: A dict of types mapped to a list of bad values.
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"""
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INT32_MIN = -(2 ** 31)
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INT32_MAX = 2 ** 31 - 1
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INT64_MIN = -(2 ** 63)
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INT64_MAX = 2 ** 63 - 1
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GOOD_VALUES = {
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'int': [-1, 0, 1, 23.42, INT32_MIN, INT32_MAX],
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'int64': [-1, 0, 1, 23.42, INT64_MIN, INT64_MAX],
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}
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BAD_VALUES = {
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'int': [(INT32_MIN - 1, INT32_MIN),
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(INT32_MAX + 1, INT32_MAX),
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(float(INT32_MAX + 1), INT32_MAX)],
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'int64': [(INT64_MIN - 1, INT64_MIN),
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(INT64_MAX + 1, INT64_MAX),
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(float(INT64_MAX + 1), INT64_MAX)],
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}
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def iter_good_values():
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"""
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Yields pairs of (c data type, value) which should pass overflow
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checking.
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"""
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for ctype, values in GOOD_VALUES.items():
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for value in values:
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yield ctype, value
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def iter_bad_values():
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"""
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Yields pairs of (c type, value, repl) for values which don't pass
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overflow checking, and a value they should be replaced with if overflow
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checking should not be fatal.
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"""
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for ctype, values in BAD_VALUES.items():
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for value, repl in values:
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yield ctype, value, repl
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