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Diffstat (limited to 'sources/shiboken2/tests/samplebinding/implicitconv_numerical_test.py')
-rw-r--r-- | sources/shiboken2/tests/samplebinding/implicitconv_numerical_test.py | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/sources/shiboken2/tests/samplebinding/implicitconv_numerical_test.py b/sources/shiboken2/tests/samplebinding/implicitconv_numerical_test.py new file mode 100644 index 000000000..3fe66e30c --- /dev/null +++ b/sources/shiboken2/tests/samplebinding/implicitconv_numerical_test.py @@ -0,0 +1,151 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- +# +############################################################################# +## +## Copyright (C) 2016 The Qt Company Ltd. +## Contact: https://www.qt.io/licensing/ +## +## This file is part of the test suite of PySide2. +## +## $QT_BEGIN_LICENSE:GPL-EXCEPT$ +## Commercial License Usage +## Licensees holding valid commercial Qt licenses may use this file in +## accordance with the commercial license agreement provided with the +## Software or, alternatively, in accordance with the terms contained in +## a written agreement between you and The Qt Company. For licensing terms +## and conditions see https://www.qt.io/terms-conditions. For further +## information use the contact form at https://www.qt.io/contact-us. +## +## GNU General Public License Usage +## Alternatively, this file may be used under the terms of the GNU +## General Public License version 3 as published by the Free Software +## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +## included in the packaging of this file. Please review the following +## information to ensure the GNU General Public License requirements will +## be met: https://www.gnu.org/licenses/gpl-3.0.html. +## +## $QT_END_LICENSE$ +## +############################################################################# + +'''Test case for inplicit converting C++ numeric types.''' + +import unittest +import sys +import sample +from py3kcompat import IS_PY3K, l, long + +# Hardcode the limits of the underlying C-types depending on architecture and memory +# model (taking MSVC using LLP64 into account). +cIntMin = -2147483648 +cIntMax = 2147483647 +cLongMin = cIntMin +cLongMax = cIntMax +maxRepresentableInt = sys.maxsize if IS_PY3K else sys.maxint +is64bitArchitecture = maxRepresentableInt > 2**32 +if is64bitArchitecture and sys.platform != 'win32': + cLongMin = -9223372036854775808 + cLongMax = 9223372036854775807 + +class NumericTester(unittest.TestCase): + '''Helper class for numeric comparison testing''' + + def check_value(self, source, expected, callback, desired_type=None): + result = callback(source) + self.assertEqual(result, expected) + + if desired_type: + self.assertEqual(type(result), desired_type) + + +class FloatImplicitConvert(NumericTester): + '''Test case for implicit converting C++ numeric types.''' + + def testFloatAsInt(self): + '''Float as Int''' + self.check_value(3.14, 3, sample.acceptInt, int) + self.assertRaises(OverflowError, sample.acceptInt, cIntMax + 400) + + def testFloatAsLong(self): + '''Float as Long''' + #C++ longs are python ints for us + self.check_value(3.14, 3, sample.acceptLong, int) + self.assertRaises(OverflowError, sample.acceptLong, cLongMax + 400) + + def testFloatAsUInt(self): + '''Float as unsigned Int''' + self.check_value(3.14, 3, sample.acceptUInt, long) + self.assertRaises(OverflowError, sample.acceptUInt, -3.14) + + def testFloatAsULong(self): + '''Float as unsigned Long''' + #FIXME Breaking with SystemError "bad argument to internal function" + self.check_value(3.14, 3, sample.acceptULong, long) + self.assertRaises(OverflowError, sample.acceptULong, -3.14) + + def testFloatAsDouble(self): + '''Float as double''' + self.check_value(3.14, 3.14, sample.acceptDouble, float) + + +class IntImplicitConvert(NumericTester): + '''Test case for implicit converting C++ numeric types.''' + + def testIntAsInt(self): + '''Int as Int''' + self.check_value(3, 3, sample.acceptInt, int) + + def testIntAsLong(self): + '''Int as Long''' + self.check_value(3, 3, sample.acceptLong, int) + + # cLongMax goes here as CPython implements int as a C long + self.check_value(cLongMax, cLongMax, sample.acceptLong, int) + self.check_value(cLongMin, cLongMin, sample.acceptLong, int) + + def testIntAsUInt(self): + '''Int as unsigned Int''' + self.check_value(3, 3, sample.acceptUInt, long) + self.assertRaises(OverflowError, sample.acceptUInt, -3) + + def testIntAsULong(self): + '''Int as unsigned Long''' + self.check_value(3, 3, sample.acceptULong, long) + self.assertRaises(OverflowError, sample.acceptULong, -3) + + def testFloatAsDouble(self): + '''Float as double''' + self.check_value(3.14, 3.14, sample.acceptDouble, float) + + +class LongImplicitConvert(NumericTester): + '''Test case for implicit converting C++ numeric types.''' + + def testLongAsInt(self): + '''Long as Int''' + self.check_value(l(24224), 24224, sample.acceptInt, int) + self.assertRaises(OverflowError, sample.acceptInt, cIntMax + 20) + + def testLongAsLong(self): + '''Long as Long''' + self.check_value(l(2405), 2405, sample.acceptLong, int) + self.assertRaises(OverflowError, sample.acceptLong, cLongMax + 20) + + def testLongAsUInt(self): + '''Long as unsigned Int''' + self.check_value(l(260), 260, sample.acceptUInt, long) + self.assertRaises(OverflowError, sample.acceptUInt, -42) + + def testLongAsULong(self): + '''Long as unsigned Long''' + self.check_value(l(128), 128, sample.acceptULong, long) + self.assertRaises(OverflowError, sample.acceptULong, l(-334)) + + def testLongAsDouble(self): + '''Float as double''' + self.check_value(l(42), 42, sample.acceptDouble, float) + + +if __name__ == '__main__': + unittest.main() |