This patch adds testing to my ConfigParser-bool patch like 
GvR requested. See http://sourceforge.net/tracker/?func=detail&atid=305470&aid=467580&group_id=5470 
for further enlightenment.
  --drt@un.bewaff.net - http://c0re.jp/
Index: Lib/test/test_cfgparser.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/test/test_cfgparser.py,v
retrieving revision 1.8
diff -c -r1.8 test_cfgparser.py
*** Lib/test/test_cfgparser.py	2001/07/06 17:22:48	1.8
--- Lib/test/test_cfgparser.py	2001/10/05 23:00:49
***************
*** 78,89 ****
      verify(cf.get("MySection", "Option") == "first line\nsecond line")
  
  
  def interpolation(src):
      print "Testing value interpolation..."
      cf = ConfigParser.ConfigParser({"getname": "%(__name__)s"})
      sio = StringIO.StringIO(src)
      cf.readfp(sio)
!     verify(cf.get("Foo", "getname") == "Foo")
      verify(cf.get("Foo", "bar") == "something with interpolation (1 step)")
      verify(cf.get("Foo", "bar9")
             == "something with lots of interpolation (9 steps)")
--- 78,108 ----
      verify(cf.get("MySection", "Option") == "first line\nsecond line")
  
  
+ def boolean(src):
+     print "Testing interpretation of boolean Values..."
+     cf = ConfigParser.ConfigParser()
+     sio = StringIO.StringIO(src)
+     cf.readfp(sio)
+     for x in range(1, 5):
+         verify(cf.getboolean('BOOLTEST', 't%d' % (x)) == 1)
+     for x in range(1, 5):
+         verify(cf.getboolean('BOOLTEST', 'f%d' % (x)) == 0)
+     for x in range(1, 5):
+         try:
+             cf.getboolean('BOOLTEST', 'e%d' % (x))
+         except ValueError:
+             pass
+         else:
+             raise TestFailed(
+                 "getboolean() failed to report a non boolean value")
+ 
+ 
  def interpolation(src):
      print "Testing value interpolation..."
      cf = ConfigParser.ConfigParser({"getname": "%(__name__)s"})
      sio = StringIO.StringIO(src)
      cf.readfp(sio)
!     verify(cf.get("Foo", "getname") == "Foo")
      verify(cf.get("Foo", "bar") == "something with interpolation (1 step)")
      verify(cf.get("Foo", "bar9")
             == "something with lots of interpolation (9 steps)")
***************
*** 180,185 ****
--- 199,222 ----
  foo[de]=Deutsch
  """)
  case_sensitivity()
+ boolean(r"""
+ [BOOLTEST]
+ T1=1
+ T2=TRUE
+ T3=True
+ T4=oN
+ T5=yes
+ F1=0
+ F2=FALSE
+ F3=False
+ F4=oFF
+ F5=nO
+ E1=2
+ E2=foo
+ E3=-1
+ E4=0.1
+ E5=FALSE AND MORE
+ """)
  interpolation(r"""
  [Foo]
  bar=something %(with1)s interpolation (1 step)
Index: Lib/test/output/test_cfgparser
===================================================================
RCS file: /cvsroot/python/python/dist/src/Lib/test/output/test_cfgparser,v
retrieving revision 1.4
diff -c -r1.4 test_cfgparser
*** Lib/test/output/test_cfgparser	2001/02/26 21:55:34	1.4
--- Lib/test/output/test_cfgparser	2001/10/05 23:00:54
***************
*** 1,6 ****
--- 1,7 ----
  test_cfgparser
  Testing basic accessors...
  Testing case sensitivity...
+ Testing interpretation of boolean Values...
  Testing value interpolation...
  Testing parse errors...
  Testing query interface...