def test08VoidPointerPassing(self):
"""Test passing of variants of void pointer arguments"""
gROOT.LoadMacro("PointerPassing.C+")
AddressOf = ROOT.AddressOf
MakeNullPointer = ROOT.MakeNullPointer
Z = ROOT.Z
o = TObject()
self.assertEqual(AddressOf(o)[0], Z.GimeAddressPtr(o))
self.assertEqual(AddressOf(o)[0], Z.GimeAddressPtrRef(o))
pZ = Z.getZ(0)
self.assertEqual(Z.checkAddressOfZ(pZ), True)
self.assertEqual(pZ, Z.getZ(1))
import array
if hasattr(array.array, 'buffer_info'): # not supported in p2.2
addressofo = array.array(
'l', [o.IsA()._TClass__DynamicCast(o.IsA(), o)[0]])
self.assertEqual(addressofo.buffer_info()[0],
Z.GimeAddressPtrPtr(addressofo))
self.assertEqual(0, Z.GimeAddressPtr(0))
self.assertEqual(0, Z.GimeAddressPtr(None))
self.assertEqual(0, Z.GimeAddressObject(0))
self.assertEqual(0, Z.GimeAddressObject(None))
ptr = MakeNullPointer(TObject)
self.assertRaises(ValueError, AddressOf, ptr)
Z.SetAddressPtrRef(ptr)
self.assertEqual(AddressOf(ptr)[0], 0x1234)
Z.SetAddressPtrPtr(ptr)
self.assertEqual(AddressOf(ptr)[0], 0x4321)
def test11VoidPointerPassing(self):
"""Test passing of variants of void pointer arguments"""
gROOT.LoadMacro("PointerPassing.C+")
AddressOf = self.AddressOf
MakeNullPointer = self.MakeNullPointer
Z = ROOT.Z
o = TObject()
if self.exp_pyroot:
# In new Cppyy, addressof returns an integer/long
oaddr = AddressOf(o)
else:
oaddr = AddressOf(o)[0]
self.assertEqual(oaddr, Z.GimeAddressPtr(o))
self.assertEqual(oaddr, Z.GimeAddressPtrRef(o))
pZ = Z.getZ(0)
self.assertEqual(Z.checkAddressOfZ(pZ), True)
self.assertEqual(pZ, Z.getZ(1))
import array
if hasattr(array.array, 'buffer_info'): # not supported in p2.2
addressofo = array.array(
'l', [o.IsA()._TClass__DynamicCast(o.IsA(), o)[0]])
self.assertEqual(addressofo.buffer_info()[0],
Z.GimeAddressPtrPtr(addressofo))
self.assertEqual(0, Z.GimeAddressPtr(0))
self.assertEqual(0, Z.GimeAddressObject(0))
if not self.exp_pyroot:
# The conversion None -> ptr is not supported in new Cppyy
self.assertEqual(0, Z.GimeAddressPtr(None))
self.assertEqual(0, Z.GimeAddressObject(None))
ptr = MakeNullPointer(TObject)
if self.exp_pyroot:
# New Cppyy does not raise ValueError,
# it just returns zero
self.assertEqual(AddressOf(ptr), 0)
else:
self.assertRaises(ValueError, AddressOf, ptr)
Z.SetAddressPtrRef(ptr)
if self.exp_pyroot:
# In new Cppyy, addressof returns an integer/long
self.assertEqual(AddressOf(ptr), 0x1234)
Z.SetAddressPtrPtr(ptr)
self.assertEqual(AddressOf(ptr), 0x4321)
else:
self.assertEqual(AddressOf(ptr)[0], 0x1234)
Z.SetAddressPtrPtr(ptr)
self.assertEqual(AddressOf(ptr)[0], 0x4321)
def test12VoidPointerPassing(self):
"""Test passing of variants of void pointer arguments"""
gROOT.LoadMacro("PointerPassing.C+")
Z = ROOT.Z
o = TObject()
oaddr = addressof(o)
self.assertEqual(oaddr, Z.GimeAddressPtr(o))
self.assertEqual(oaddr, Z.GimeAddressPtrRef(o))
pZ = Z.getZ(0)
self.assertEqual(Z.checkAddressOfZ(pZ), True)
self.assertEqual(pZ, Z.getZ(1))
import array
# Not supported in p2.2
# and no 8-byte integer type array on Windows 64b
if hasattr(array.array, 'buffer_info') and IS_WINDOWS != 64:
if not self.legacy_pyroot:
# New cppyy uses unsigned long to represent void* returns, as in DynamicCast.
# To prevent an overflow error when converting the Python integer returned by
# DynamicCast into a 4-byte signed long in 32 bits, we use unsigned long ('L')
# as type of the array.array.
array_t = 'L'
else:
# Old PyROOT returns Long_t buffers for void*
array_t = 'l'
addressofo = array.array(
array_t, [o.IsA()._TClass__DynamicCast(o.IsA(), o)[0]])
self.assertEqual(addressofo.buffer_info()[0],
Z.GimeAddressPtrPtr(addressofo))
self.assertEqual(0, Z.GimeAddressPtr(0))
self.assertEqual(0, Z.GimeAddressObject(0))
if self.legacy_pyroot:
# The conversion None -> ptr is not supported in new Cppyy
self.assertEqual(0, Z.GimeAddressPtr(None))
self.assertEqual(0, Z.GimeAddressObject(None))
ptr = MakeNullPointer(TObject)
if not self.legacy_pyroot:
# New Cppyy does not raise ValueError,
# it just returns zero
self.assertEqual(addressof(ptr), 0)
else:
self.assertRaises(ValueError, AddressOf, ptr)
Z.SetAddressPtrRef(ptr)
self.assertEqual(addressof(ptr), 0x1234)
Z.SetAddressPtrPtr(ptr)
self.assertEqual(addressof(ptr), 0x4321)