diff -r 000000000000 -r ae805ac0140d python-2.5.2/win32/Lib/test/test_contains.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/python-2.5.2/win32/Lib/test/test_contains.py	Fri Apr 03 17:19:34 2009 +0100
@@ -0,0 +1,133 @@
+from test.test_support import TestFailed, have_unicode
+
+class base_set:
+
+    def __init__(self, el):
+        self.el = el
+
+class set(base_set):
+
+    def __contains__(self, el):
+        return self.el == el
+
+class seq(base_set):
+
+    def __getitem__(self, n):
+        return [self.el][n]
+
+def check(ok, *args):
+    if not ok:
+        raise TestFailed, " ".join(map(str, args))
+
+a = base_set(1)
+b = set(1)
+c = seq(1)
+
+check(1 in b, "1 not in set(1)")
+check(0 not in b, "0 in set(1)")
+check(1 in c, "1 not in seq(1)")
+check(0 not in c, "0 in seq(1)")
+
+try:
+    1 in a
+    check(0, "in base_set did not raise error")
+except TypeError:
+    pass
+
+try:
+    1 not in a
+    check(0, "not in base_set did not raise error")
+except TypeError:
+    pass
+
+# Test char in string
+
+check('c' in 'abc', "'c' not in 'abc'")
+check('d' not in 'abc', "'d' in 'abc'")
+
+check('' in '', "'' not in ''")
+check('' in 'abc', "'' not in 'abc'")
+
+try:
+    None in 'abc'
+    check(0, "None in 'abc' did not raise error")
+except TypeError:
+    pass
+
+
+if have_unicode:
+
+    # Test char in Unicode
+
+    check('c' in unicode('abc'), "'c' not in u'abc'")
+    check('d' not in unicode('abc'), "'d' in u'abc'")
+
+    check('' in unicode(''), "'' not in u''")
+    check(unicode('') in '', "u'' not in ''")
+    check(unicode('') in unicode(''), "u'' not in u''")
+    check('' in unicode('abc'), "'' not in u'abc'")
+    check(unicode('') in 'abc', "u'' not in 'abc'")
+    check(unicode('') in unicode('abc'), "u'' not in u'abc'")
+
+    try:
+        None in unicode('abc')
+        check(0, "None in u'abc' did not raise error")
+    except TypeError:
+        pass
+
+    # Test Unicode char in Unicode
+
+    check(unicode('c') in unicode('abc'), "u'c' not in u'abc'")
+    check(unicode('d') not in unicode('abc'), "u'd' in u'abc'")
+
+    # Test Unicode char in string
+
+    check(unicode('c') in 'abc', "u'c' not in 'abc'")
+    check(unicode('d') not in 'abc', "u'd' in 'abc'")
+
+# A collection of tests on builtin sequence types
+a = range(10)
+for i in a:
+    check(i in a, "%r not in %r" % (i, a))
+check(16 not in a, "16 not in %r" % (a,))
+check(a not in a, "%s not in %r" % (a, a))
+
+a = tuple(a)
+for i in a:
+    check(i in a, "%r not in %r" % (i, a))
+check(16 not in a, "16 not in %r" % (a,))
+check(a not in a, "%r not in %r" % (a, a))
+
+class Deviant1:
+    """Behaves strangely when compared
+
+    This class is designed to make sure that the contains code
+    works when the list is modified during the check.
+    """
+
+    aList = range(15)
+
+    def __cmp__(self, other):
+        if other == 12:
+            self.aList.remove(12)
+            self.aList.remove(13)
+            self.aList.remove(14)
+        return 1
+
+check(Deviant1() not in Deviant1.aList, "Deviant1 failed")
+
+class Deviant2:
+    """Behaves strangely when compared
+
+    This class raises an exception during comparison.  That in
+    turn causes the comparison to fail with a TypeError.
+    """
+
+    def __cmp__(self, other):
+        if other == 4:
+            raise RuntimeError, "gotcha"
+
+try:
+    check(Deviant2() not in a, "oops")
+except TypeError:
+    pass