1  """Test module for the custom examples
       2  
       3  Custom 1:
       4  
       5  >>> import custom
       6  >>> c1 = custom.Custom()
       7  >>> c2 = custom.Custom()
       8  >>> del c1
       9  >>> del c2
      10  
      11  
      12  Custom 2
      13  
      14  >>> import custom2
      15  >>> c1 = custom2.Custom('jim', 'fulton', 42)
      16  >>> c1.first
      17  'jim'
      18  >>> c1.last
      19  'fulton'
      20  >>> c1.number
      21  42
      22  >>> c1.name()
      23  'jim fulton'
      24  >>> c1.first = 'will'
      25  >>> c1.name()
      26  'will fulton'
      27  >>> c1.last = 'tell'
      28  >>> c1.name()
      29  'will tell'
      30  >>> del c1.first
      31  >>> c1.name()
      32  Traceback (most recent call last):
      33  ...
      34  AttributeError: first
      35  >>> c1.first
      36  Traceback (most recent call last):
      37  ...
      38  AttributeError: first
      39  >>> c1.first = 'drew'
      40  >>> c1.first
      41  'drew'
      42  >>> del c1.number
      43  Traceback (most recent call last):
      44  ...
      45  TypeError: can't delete numeric/char attribute
      46  >>> c1.number=2
      47  >>> c1.number
      48  2
      49  >>> c1.first = 42
      50  >>> c1.name()
      51  '42 tell'
      52  >>> c2 = custom2.Custom()
      53  >>> c2.name()
      54  ' '
      55  >>> c2.first
      56  ''
      57  >>> c2.last
      58  ''
      59  >>> del c2.first
      60  >>> c2.first
      61  Traceback (most recent call last):
      62  ...
      63  AttributeError: first
      64  >>> c2.first
      65  Traceback (most recent call last):
      66  ...
      67  AttributeError: first
      68  >>> c2.name()
      69  Traceback (most recent call last):
      70    File "<stdin>", line 1, in ?
      71  AttributeError: first
      72  >>> c2.number
      73  0
      74  >>> n3 = custom2.Custom('jim', 'fulton', 'waaa')
      75  Traceback (most recent call last):
      76    File "<stdin>", line 1, in ?
      77  TypeError: an integer is required (got type str)
      78  >>> del c1
      79  >>> del c2
      80  
      81  
      82  Custom 3
      83  
      84  >>> import custom3
      85  >>> c1 = custom3.Custom('jim', 'fulton', 42)
      86  >>> c1 = custom3.Custom('jim', 'fulton', 42)
      87  >>> c1.name()
      88  'jim fulton'
      89  >>> del c1.first
      90  Traceback (most recent call last):
      91    File "<stdin>", line 1, in ?
      92  TypeError: Cannot delete the first attribute
      93  >>> c1.first = 42
      94  Traceback (most recent call last):
      95    File "<stdin>", line 1, in ?
      96  TypeError: The first attribute value must be a string
      97  >>> c1.first = 'will'
      98  >>> c1.name()
      99  'will fulton'
     100  >>> c2 = custom3.Custom()
     101  >>> c2 = custom3.Custom()
     102  >>> c2 = custom3.Custom()
     103  >>> n3 = custom3.Custom('jim', 'fulton', 'waaa')
     104  Traceback (most recent call last):
     105    File "<stdin>", line 1, in ?
     106  TypeError: an integer is required (got type str)
     107  >>> del c1
     108  >>> del c2
     109  
     110  Custom 4
     111  
     112  >>> import custom4
     113  >>> c1 = custom4.Custom('jim', 'fulton', 42)
     114  >>> c1.first
     115  'jim'
     116  >>> c1.last
     117  'fulton'
     118  >>> c1.number
     119  42
     120  >>> c1.name()
     121  'jim fulton'
     122  >>> c1.first = 'will'
     123  >>> c1.name()
     124  'will fulton'
     125  >>> c1.last = 'tell'
     126  >>> c1.name()
     127  'will tell'
     128  >>> del c1.first
     129  Traceback (most recent call last):
     130  ...
     131  TypeError: Cannot delete the first attribute
     132  >>> c1.name()
     133  'will tell'
     134  >>> c1.first = 'drew'
     135  >>> c1.first
     136  'drew'
     137  >>> del c1.number
     138  Traceback (most recent call last):
     139  ...
     140  TypeError: can't delete numeric/char attribute
     141  >>> c1.number=2
     142  >>> c1.number
     143  2
     144  >>> c1.first = 42
     145  Traceback (most recent call last):
     146  ...
     147  TypeError: The first attribute value must be a string
     148  >>> c1.name()
     149  'drew tell'
     150  >>> c2 = custom4.Custom()
     151  >>> c2 = custom4.Custom()
     152  >>> c2 = custom4.Custom()
     153  >>> c2 = custom4.Custom()
     154  >>> c2.name()
     155  ' '
     156  >>> c2.first
     157  ''
     158  >>> c2.last
     159  ''
     160  >>> c2.number
     161  0
     162  >>> n3 = custom4.Custom('jim', 'fulton', 'waaa')
     163  Traceback (most recent call last):
     164  ...
     165  TypeError: an integer is required (got type str)
     166  
     167  
     168  Test cyclic gc(?)
     169  
     170  >>> import gc
     171  >>> gc.disable()
     172  
     173  >>> class Subclass(custom4.Custom): pass
     174  ...
     175  >>> s = Subclass()
     176  >>> s.cycle = [s]
     177  >>> s.cycle.append(s.cycle)
     178  >>> x = object()
     179  >>> s.x = x
     180  >>> del s
     181  >>> sys.getrefcount(x)
     182  3
     183  >>> ignore = gc.collect()
     184  >>> sys.getrefcount(x)
     185  2
     186  
     187  >>> gc.enable()
     188  """
     189  
     190  import os
     191  import sys
     192  from distutils.util import get_platform
     193  PLAT_SPEC = "%s-%d.%d" % (get_platform(), *sys.version_info[:2])
     194  src = os.path.join("build", "lib.%s" % PLAT_SPEC)
     195  sys.path.append(src)
     196  
     197  if __name__ == "__main__":
     198      import doctest, __main__
     199      doctest.testmod(__main__)