old_contents: # This tests long ints for 32-bit machine
  
  a = 0x1ffffffff
  b = 0x100000000
  print(a)
  print(b)
  print(a + b)
  print(a - b)
  print(b - a)
  # overflows long long implementation
  #print(a * b)
  print(a // b)
  print(a % b)
  print(a & b)
  print(a | b)
  print(a ^ b)
  print(a << 3)
  print(a >> 1)
  
  a += b
  print(a)
  a -= 123456
  print(a)
  a *= 257
  print(a)
  a //= 257
  print(a)
  a %= b
  print(a)
  a ^= b
  print(a)
  a |= b
  print(a)
  a &= b
  print(a)
  a <<= 5
  print(a)
  a >>= 1
  print(a)
  
new_contents: # This tests long ints for 32-bit machine
  
  a = 0x1ffffffff
  b = 0x100000000
  print(a)
  print(b)
  print(a + b)
  print(a - b)
  print(b - a)
  # overflows long long implementation
  #print(a * b)
  print(a // b)
  print(a % b)
  print(a & b)
  print(a | b)
  print(a ^ b)
  print(a << 3)
  print(a >> 1)
  
  a += b
  print(a)
  a -= 123456
  print(a)
  a *= 257
  print(a)
  a //= 257
  print(a)
  a %= b
  print(a)
  a ^= b
  print(a)
  a |= b
  print(a)
  a &= b
  print(a)
  a <<= 5
  print(a)
  a >>= 1
  print(a)
  
  # Test referential integrity of long ints
  a = 0x1ffffffff
  b = a
  a += 1
  print(a)
  print(b)
  
subject: Add regression test for improper inplace op implementation.