def test07CopyContructor(self):
"""Test copy constructor"""
t1 = TLorentzVector(1., 2., 3., -4.)
t2 = TLorentzVector(0., 0., 0., 0.)
t3 = TLorentzVector(t1)
self.assertEqual(t1, t3)
self.assertNotEqual(t1, t2)
for i in range(4):
self.assertEqual(t1[i], t3[i])
if self.exp_pyroot:
# Test copy constructor with null pointer
t4 = MakeNullPointer(TLorentzVector)
t4.__init__(TLorentzVector(0, 1, 2, 3))
t5 = MakeNullPointer(TLorentzVector)
TLorentzVector.__init__(t5, TLorentzVector(0, 1, 2, 3))
# Test __assign__ if the object already exists
t6 = TLorentzVector(0, 0, 0, 0)
t6.__assign__(TLorentzVector(0, 1, 2, 3))
t7 = TLorentzVector(0, 0, 0, 0)
TLorentzVector.__assign__(t7, TLorentzVector(0, 1, 2, 3))
for i in range(4):
self.assertEqual(t4[i], t5[i])
self.assertEqual(t6[i], t7[i])
else:
t4 = TLorentzVector(0, 0, 0, 0)
t4.__init__(TLorentzVector(0, 1, 2, 3))
# the following should work exactly as above, but no longer does on some version of ROOT 6
t5 = TLorentzVector(0, 0, 0, 0)
TLorentzVector.__init__(t5, TLorentzVector(0, 1, 2, 3))
for i in range(4):
self.assertEqual(t4[i], t5[i])
