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#!/usr/bin/env python
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
'''Test case for inplicit converting C++ numeric types.'''
import os
import sys
import unittest
from pathlib import Path
sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
from shiboken_paths import init_paths
init_paths()
import sys
import sample
# 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
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 assertRaises(self, *args, **kwds):
if not hasattr(sys, "pypy_version_info"):
# PYSIDE-535: PyPy complains "Fatal RPython error: NotImplementedError"
return super().assertRaises(*args, **kwds)
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, int)
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, int)
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, int)
self.assertRaises(OverflowError, sample.acceptUInt, -3)
def testIntAsULong(self):
'''Int as unsigned Long'''
self.check_value(3, 3, sample.acceptULong, int)
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(24224, 24224, sample.acceptInt, int)
self.assertRaises(OverflowError, sample.acceptInt, cIntMax + 20)
def testLongAsLong(self):
'''Long as Long'''
self.check_value(2405, 2405, sample.acceptLong, int)
self.assertRaises(OverflowError, sample.acceptLong, cLongMax + 20)
def testLongAsUInt(self):
'''Long as unsigned Int'''
self.check_value(260, 260, sample.acceptUInt, int)
self.assertRaises(OverflowError, sample.acceptUInt, -42)
def testLongAsULong(self):
'''Long as unsigned Long'''
self.check_value(128, 128, sample.acceptULong, int)
self.assertRaises(OverflowError, sample.acceptULong, -334)
def testLongAsDouble(self):
'''Float as double'''
self.check_value(42, 42, sample.acceptDouble, float)
if __name__ == '__main__':
unittest.main()
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