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import py, os, sys
from .support import setup_make, soext
from pypy.module._cppyy import interp_cppyy, executor
currpath = py.path.local(__file__).dirpath()
test_dct = str(currpath.join("example01Dict"))+soext
def setup_module(mod):
setup_make("example01")
class AppTestPYTHONIFY:
spaceconfig = dict(usemodules=['_cppyy', '_rawffi', 'itertools'])
def setup_class(cls):
cls.w_test_dct = cls.space.newtext(test_dct)
cls.w_example01 = cls.space.appexec([], """():
import ctypes, _cppyy
_cppyy._post_import_startup()
return ctypes.CDLL(%r, ctypes.RTLD_GLOBAL)""" % (test_dct, ))
def test01_finding_classes(self):
"""Test the lookup of a class, and its caching."""
import _cppyy
example01_class = _cppyy.gbl.example01
cl2 = _cppyy.gbl.example01
assert example01_class is cl2
raises(AttributeError, '_cppyy.gbl.nonexistingclass')
def test02_calling_static_functions(self):
"""Test calling of static methods."""
import _cppyy, sys, math
example01_class = _cppyy.gbl.example01
res = example01_class.staticAddOneToInt(1)
assert res == 2
res = example01_class.staticAddOneToInt(1, 2)
assert res == 4
res = example01_class.staticAddOneToInt(-1)
assert res == 0
maxint32 = int(2 ** 31 - 1)
res = example01_class.staticAddOneToInt(maxint32-1)
assert res == maxint32
res = example01_class.staticAddOneToInt(maxint32)
assert res == -maxint32-1
raises(TypeError, 'example01_class.staticAddOneToInt(1, [])')
raises(TypeError, 'example01_class.staticAddOneToInt(1.)')
raises(TypeError, 'example01_class.staticAddOneToInt(maxint32+1)')
res = example01_class.staticAddToDouble(0.09)
assert res == 0.09 + 0.01
res = example01_class.staticAtoi("1")
assert res == 1
res = example01_class.staticStrcpy("aap") # TODO: this leaks
assert res == "aap"
res = example01_class.staticStrcpy(u"aap") # TODO: this leaks
assert res == "aap"
raises(TypeError, 'example01_class.staticStrcpy(1.)') # TODO: this leaks
def test03_constructing_and_calling(self):
"""Test object and method calls."""
import _cppyy
example01_class = _cppyy.gbl.example01
assert example01_class.getCount() == 0
instance = example01_class(7)
assert example01_class.getCount() == 1
res = instance.addDataToInt(4)
assert res == 11
res = instance.addDataToInt(-4)
assert res == 3
instance.__destruct__()
assert example01_class.getCount() == 0
raises(ReferenceError, 'instance.addDataToInt(4)')
instance = example01_class(7)
instance2 = example01_class(8)
assert example01_class.getCount() == 2
instance.__destruct__()
assert example01_class.getCount() == 1
instance2.__destruct__()
assert example01_class.getCount() == 0
instance = example01_class(13)
res = instance.addDataToDouble(16)
assert round(res-29, 8) == 0.
instance.__destruct__()
instance = example01_class(-13)
res = instance.addDataToDouble(16)
assert round(res-3, 8) == 0.
instance.__destruct__()
instance = example01_class(42)
assert example01_class.getCount() == 1
res = instance.addDataToAtoi("13")
assert res == 55
res = instance.addToStringValue("12") # TODO: this leaks
assert res == "54"
res = instance.addToStringValue("-12") # TODO: this leaks
assert res == "30"
res = instance.staticAddOneToInt(1)
assert res == 2
instance.__destruct__()
assert example01_class.getCount() == 0
def test04_passing_object_by_pointer(self):
import _cppyy
example01_class = _cppyy.gbl.example01
payload_class = _cppyy.gbl.payload
e = example01_class(14)
pl = payload_class(3.14)
assert round(pl.getData()-3.14, 8) == 0
example01_class.staticSetPayload(pl, 41.)
assert pl.getData() == 41.
example01_class.staticSetPayload(pl, 43.)
assert pl.getData() == 43.
e.staticSetPayload(pl, 45.)
assert pl.getData() == 45.
e.setPayload(pl)
assert round(pl.getData()-14., 8) == 0
pl.__destruct__()
e.__destruct__()
assert example01_class.getCount() == 0
def test05_returning_object_by_pointer(self):
import _cppyy
example01_class = _cppyy.gbl.example01
payload_class = _cppyy.gbl.payload
pl = payload_class(3.14)
assert round(pl.getData()-3.14, 8) == 0
pl2 = example01_class.staticCyclePayload(pl, 38.)
assert pl2.getData() == 38.
e = example01_class(14)
pl2 = e.cyclePayload(pl)
assert round(pl2.getData()-14., 8) == 0
pl.__destruct__()
e.__destruct__()
assert example01_class.getCount() == 0
def test06_returning_object_by_value(self):
import _cppyy
example01_class = _cppyy.gbl.example01
payload_class = _cppyy.gbl.payload
pl = payload_class(3.14)
assert round(pl.getData()-3.14, 8) == 0
pl2 = example01_class.staticCopyCyclePayload(pl, 38.)
assert pl2.getData() == 38.
pl2.__destruct__()
e = example01_class(14)
pl2 = e.copyCyclePayload(pl)
assert round(pl2.getData()-14., 8) == 0
pl2.__destruct__()
pl.__destruct__()
e.__destruct__()
assert example01_class.getCount() == 0
def test07_global_functions(self):
import _cppyy
assert _cppyy.gbl.globalAddOneToInt(3) == 4 # creation lookup
assert _cppyy.gbl.globalAddOneToInt(3) == 4 # cached lookup
assert _cppyy.gbl.ns_example01.globalAddOneToInt(4) == 5
assert _cppyy.gbl.ns_example01.globalAddOneToInt(4) == 5
def test08_memory(self):
"""Test proper C++ destruction by the garbage collector"""
import _cppyy, gc
example01_class = _cppyy.gbl.example01
payload_class = _cppyy.gbl.payload
pl = payload_class(3.14)
assert payload_class.count == 1
assert round(pl.getData()-3.14, 8) == 0
pl2 = example01_class.staticCopyCyclePayload(pl, 38.)
assert payload_class.count == 2
assert pl2.getData() == 38.
pl2 = None
gc.collect()
assert payload_class.count == 1
e = example01_class(14)
pl2 = e.copyCyclePayload(pl)
assert payload_class.count == 2
assert round(pl2.getData()-14., 8) == 0
pl2 = None
gc.collect()
assert payload_class.count == 1
pl = None
e = None
gc.collect()
assert payload_class.count == 0
assert example01_class.getCount() == 0
pl = payload_class(3.14)
pl_a = example01_class.staticCyclePayload(pl, 66.)
pl_a.getData() == 66.
assert payload_class.count == 1
pl_a = None
pl = None
gc.collect()
assert payload_class.count == 0
# TODO: need ReferenceError on touching pl_a
def test09_default_arguments(self):
"""Test propagation of default function arguments"""
import _cppyy
a = _cppyy.gbl.ArgPasser()
# NOTE: when called through the stub, default args are fine
f = a.stringRef
s = _cppyy.gbl.std.string
assert f(s("aap"), 0, s("noot")) == "aap"
assert f(s("noot"), 1) == "default"
assert f(s("mies")) == "mies"
for itype in ['short', 'ushort', 'int', 'uint', 'long', 'ulong']:
g = getattr(a, '%sValue' % itype)
raises(TypeError, 'g(1, 2, 3, 4, 6)')
assert g(11, 0, 12, 13) == 11
assert g(11, 1, 12, 13) == 12
assert g(11, 1, 12) == 12
assert g(11, 2, 12) == 2
assert g(11, 1) == 1
assert g(11, 2) == 2
assert g(11) == 11
for ftype in ['float', 'double']:
g = getattr(a, '%sValue' % ftype)
raises(TypeError, 'g(1., 2, 3., 4., 6.)')
assert g(11., 0, 12., 13.) == 11.
assert g(11., 1, 12., 13.) == 12.
assert g(11., 1, 12.) == 12.
assert g(11., 2, 12.) == 2.
assert g(11., 1) == 1.
assert g(11., 2) == 2.
assert g(11.) == 11.
def test10_overload_on_arguments(self):
"""Test functions overloaded on arguments"""
import _cppyy
e = _cppyy.gbl.example01(1)
assert e.addDataToInt(2) == 3
assert e.overloadedAddDataToInt(3) == 4
assert e.overloadedAddDataToInt(4, 5) == 10
assert e.overloadedAddDataToInt(6, 7, 8) == 22
def test11_typedefs(self):
"""Test access and use of typedefs"""
import _cppyy
assert _cppyy.gbl.example01 == _cppyy.gbl.example01_t
def test12_underscore_in_class_name(self):
"""Test recognition of '_' as part of a valid class name"""
import _cppyy
assert _cppyy.gbl.z_ == _cppyy.gbl.z_
z = _cppyy.gbl.z_()
assert hasattr(z, 'myint')
assert z.gime_z_(z)
def test13_bound_unbound_calls(self):
"""Test (un)bound method calls"""
import _cppyy
raises(TypeError, _cppyy.gbl.example01.addDataToInt, 1)
meth = _cppyy.gbl.example01.addDataToInt
raises(TypeError, meth)
raises(TypeError, meth, 1)
e = _cppyy.gbl.example01(2)
assert 5 == meth(e, 3)
def test14_installable_function(self):
"""Test installing and calling global C++ function as python method"""
import _cppyy
_cppyy.gbl.example01.fresh = _cppyy.gbl.installableAddOneToInt
e = _cppyy.gbl.example01(0)
assert 2 == e.fresh(1)
assert 3 == e.fresh(2)
def test15_subclassing(self):
"""A sub-class on the python side should have that class as type"""
import _cppyy, gc
gc.collect()
example01 = _cppyy.gbl.example01
assert example01.getCount() == 0
o = example01()
assert type(o) == example01
assert example01.getCount() == 1
o.__destruct__()
assert example01.getCount() == 0
class MyClass1(example01):
def myfunc(self):
return 1
o = MyClass1()
assert type(o) == MyClass1
assert isinstance(o, example01)
assert example01.getCount() == 1
assert o.myfunc() == 1
o.__destruct__()
assert example01.getCount() == 0
class MyClass2(example01):
def __init__(self, what):
example01.__init__(self)
self.what = what
o = MyClass2('hi')
assert type(o) == MyClass2
assert example01.getCount() == 1
assert o.what == 'hi'
o.__destruct__()
assert example01.getCount() == 0
class AppTestPYTHONIFY_UI:
spaceconfig = dict(usemodules=['_cppyy', '_rawffi', 'itertools'])
def setup_class(cls):
cls.w_test_dct = cls.space.newtext(test_dct)
cls.w_example01 = cls.space.appexec([], """():
import ctypes
return ctypes.CDLL(%r, ctypes.RTLD_GLOBAL)""" % (test_dct, ))
def test01_pythonizations(self):
"""Test addition of user-defined pythonizations"""
import _cppyy
def example01a_pythonize(pyclass, name):
if name == 'example01a':
def getitem(self, idx):
return self.addDataToInt(idx)
pyclass.__getitem__ = getitem
_cppyy.add_pythonization(example01a_pythonize)
e = _cppyy.gbl.example01a(1)
assert e[0] == 1
assert e[1] == 2
assert e[5] == 6
def test02_fragile_pythonizations(self):
"""Test pythonizations error reporting"""
import _cppyy
example01_pythonize = 1
raises(TypeError, _cppyy.add_pythonization, 'example01', example01_pythonize)
def test03_write_access_to_globals(self):
"""Test overwritability of globals"""
import _cppyy
oldval = _cppyy.gbl.ns_example01.gMyGlobalInt
assert oldval == 99
proxy = _cppyy.gbl.ns_example01.__class__.__dict__['gMyGlobalInt']
_cppyy.gbl.ns_example01.gMyGlobalInt = 3
assert proxy.__get__(proxy, None) == 3
_cppyy.gbl.ns_example01.gMyGlobalInt = oldval
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