Merge.

23 files changed, 1095 insertions, 135 deletions

diff --git a/Lib/test/test_future1.py b/Lib/test/future_test1.py
index 297c2e0..297c2e0 100644
--- a/Lib/test/test_future1.py
+++ b/Lib/test/future_test1.py
diff --git a/Lib/test/test_future2.py b/Lib/test/future_test2.py
index 3d7fc86..3d7fc86 100644
--- a/Lib/test/test_future2.py
+++ b/Lib/test/future_test2.py
diff --git a/Lib/test/regrtest.py b/Lib/test/regrtest.py
index 63268e5..f6cf0a7 100755
--- a/Lib/test/regrtest.py
+++ b/Lib/test/regrtest.py
@@ -42,6 +42,9 @@ Selecting tests
                 -- specify which special resource intensive tests to run
 -M/--memlimit LIMIT
                 -- run very large memory-consuming tests
+   --testdir DIR
+                -- execute test files in the specified directory (instead
+                   of the Python stdlib test suite)
 
 Special runs
 
@@ -265,7 +268,7 @@ def main(tests=None, testdir=None, verbose=0, quiet=False,
              'use=', 'threshold=', 'trace', 'coverdir=', 'nocoverdir',
              'runleaks', 'huntrleaks=', 'memlimit=', 'randseed=',
              'multiprocess=', 'coverage', 'slaveargs=', 'forever', 'debug',
-             'start=', 'nowindows', 'header'])
+             'start=', 'nowindows', 'header', 'testdir='])
     except getopt.error as msg:
         usage(msg)
 
@@ -315,7 +318,9 @@ def main(tests=None, testdir=None, verbose=0, quiet=False,
         elif o in ('-T', '--coverage'):
             trace = True
         elif o in ('-D', '--coverdir'):
-            coverdir = os.path.join(os.getcwd(), a)
+            # CWD is replaced with a temporary dir before calling main(), so we
+            # need  join it with the saved CWD so it goes where the user expects.
+            coverdir = os.path.join(support.SAVEDCWD, a)
         elif o in ('-N', '--nocoverdir'):
             coverdir = None
         elif o in ('-R', '--huntrleaks'):
@@ -393,6 +398,10 @@ def main(tests=None, testdir=None, verbose=0, quiet=False,
             print()   # Force a newline (just in case)
             print(json.dumps(result))
             sys.exit(0)
+        elif o == '--testdir':
+            # CWD is replaced with a temporary dir before calling main(), so we
+            # join it with the saved CWD so it ends up where the user expects.
+            testdir = os.path.join(support.SAVEDCWD, a)
         else:
             print(("No handler for option {}.  Please report this as a bug "
                    "at http://bugs.python.org.").format(o), file=sys.stderr)
@@ -467,7 +476,13 @@ def main(tests=None, testdir=None, verbose=0, quiet=False,
         print("==  ", os.getcwd())
         print("Testing with flags:", sys.flags)
 
-    alltests = findtests(testdir, stdtests, nottests)
+    # if testdir is set, then we are not running the python tests suite, so
+    # don't add default tests to be executed or skipped (pass empty values)
+    if testdir:
+        alltests = findtests(testdir, list(), set())
+    else:
+        alltests = findtests(testdir, stdtests, nottests)
+
     selected = tests or args or alltests
     if single:
         selected = selected[:1]
@@ -713,6 +728,8 @@ def main(tests=None, testdir=None, verbose=0, quiet=False,
     sys.exit(len(bad) > 0 or interrupted)
 
 
+# small set of tests to determine if we have a basically functioning interpreter
+# (i.e. if any of these fail, then anything else is likely to follow)
 STDTESTS = [
     'test_grammar',
     'test_opcodes',
@@ -725,10 +742,8 @@ STDTESTS = [
     'test_doctest2',
 ]
 
-NOTTESTS = {
-    'test_future1',
-    'test_future2',
-}
+# set of tests that we don't want to be executed when using regrtest
+NOTTESTS = set()
 
 def findtests(testdir=None, stdtests=STDTESTS, nottests=NOTTESTS):
     """Return a list of all applicable test modules."""
diff --git a/Lib/test/support.py b/Lib/test/support.py
index 52ec232..fbf6de4 100644
--- a/Lib/test/support.py
+++ b/Lib/test/support.py
@@ -1029,6 +1029,11 @@ def bigmemtest(minsize, memuse):
     return decorator
 
 def precisionbigmemtest(size, memuse):
+    """Decorator for bigmem tests that need exact sizes.
+
+    Like bigmemtest, but without the size scaling upward to fill available
+    memory.
+    """
     def decorator(f):
         def wrapper(self):
             size = wrapper.size
diff --git a/Lib/test/test_argparse.py b/Lib/test/test_argparse.py
index 8d80336..6ca1019 100644
--- a/Lib/test/test_argparse.py
+++ b/Lib/test/test_argparse.py
@@ -2837,16 +2837,22 @@ class TestHelpFormattingMetaclass(type):
                 parser = argparse.ArgumentParser(
                     *tester.parser_signature.args,
                     **tester.parser_signature.kwargs)
-                for argument_sig in tester.argument_signatures:
+                for argument_sig in getattr(tester, 'argument_signatures', []):
                     parser.add_argument(*argument_sig.args,
                                         **argument_sig.kwargs)
-                group_signatures = tester.argument_group_signatures
-                for group_sig, argument_sigs in group_signatures:
+                group_sigs = getattr(tester, 'argument_group_signatures', [])
+                for group_sig, argument_sigs in group_sigs:
                     group = parser.add_argument_group(*group_sig.args,
                                                       **group_sig.kwargs)
                     for argument_sig in argument_sigs:
                         group.add_argument(*argument_sig.args,
                                            **argument_sig.kwargs)
+                subparsers_sigs = getattr(tester, 'subparsers_signatures', [])
+                if subparsers_sigs:
+                    subparsers = parser.add_subparsers()
+                    for subparser_sig in subparsers_sigs:
+                        subparsers.add_parser(*subparser_sig.args,
+                                               **subparser_sig.kwargs)
                 return parser
 
             def _test(self, tester, parser_text):
@@ -3940,6 +3946,108 @@ class TestHelpVersionAction(HelpTestCase):
         '''
     version = ''
 
+class TestHelpSubparsersOrdering(HelpTestCase):
+    """Test ordering of subcommands in help matches the code"""
+    parser_signature = Sig(prog='PROG',
+                           description='display some subcommands',
+                           version='0.1')
+
+    subparsers_signatures = [Sig(name=name)
+                             for name in ('a', 'b', 'c', 'd', 'e')]
+
+    usage = '''\
+        usage: PROG [-h] [-v] {a,b,c,d,e} ...
+        '''
+
+    help = usage + '''\
+
+        display some subcommands
+
+        positional arguments:
+          {a,b,c,d,e}
+
+        optional arguments:
+          -h, --help     show this help message and exit
+          -v, --version  show program's version number and exit
+        '''
+
+    version = '''\
+        0.1
+        '''
+
+class TestHelpSubparsersWithHelpOrdering(HelpTestCase):
+    """Test ordering of subcommands in help matches the code"""
+    parser_signature = Sig(prog='PROG',
+                           description='display some subcommands',
+                           version='0.1')
+
+    subcommand_data = (('a', 'a subcommand help'),
+                       ('b', 'b subcommand help'),
+                       ('c', 'c subcommand help'),
+                       ('d', 'd subcommand help'),
+                       ('e', 'e subcommand help'),
+                       )
+
+    subparsers_signatures = [Sig(name=name, help=help)
+                             for name, help in subcommand_data]
+
+    usage = '''\
+        usage: PROG [-h] [-v] {a,b,c,d,e} ...
+        '''
+
+    help = usage + '''\
+
+        display some subcommands
+
+        positional arguments:
+          {a,b,c,d,e}
+            a            a subcommand help
+            b            b subcommand help
+            c            c subcommand help
+            d            d subcommand help
+            e            e subcommand help
+
+        optional arguments:
+          -h, --help     show this help message and exit
+          -v, --version  show program's version number and exit
+        '''
+
+    version = '''\
+        0.1
+        '''
+
+
+
+class TestHelpMetavarTypeFormatter(HelpTestCase):
+    """"""
+
+    def custom_type(string):
+        return string
+
+    parser_signature = Sig(prog='PROG', description='description',
+                           formatter_class=argparse.MetavarTypeHelpFormatter)
+    argument_signatures = [Sig('a', type=int),
+                           Sig('-b', type=custom_type),
+                           Sig('-c', type=float, metavar='SOME FLOAT')]
+    argument_group_signatures = []
+    usage = '''\
+        usage: PROG [-h] [-b custom_type] [-c SOME FLOAT] int
+        '''
+    help = usage + '''\
+
+        description
+
+        positional arguments:
+          int
+
+        optional arguments:
+          -h, --help      show this help message and exit
+          -b custom_type
+          -c SOME FLOAT
+        '''
+    version = ''
+
+
 # =====================================
 # Optional/Positional constructor tests
 # =====================================
@@ -4394,6 +4502,177 @@ class TestParseKnownArgs(TestCase):
         self.assertEqual(NS(v=3, spam=True, badger="B"), args)
         self.assertEqual(["C", "--foo", "4"], extras)
 
+# ==========================
+# add_argument metavar tests
+# ==========================
+
+class TestAddArgumentMetavar(TestCase):
+
+    EXPECTED_MESSAGE = "length of metavar tuple does not match nargs"
+
+    def do_test_no_exception(self, nargs, metavar):
+        parser = argparse.ArgumentParser()
+        parser.add_argument("--foo", nargs=nargs, metavar=metavar)
+
+    def do_test_exception(self, nargs, metavar):
+        parser = argparse.ArgumentParser()
+        with self.assertRaises(ValueError) as cm:
+            parser.add_argument("--foo", nargs=nargs, metavar=metavar)
+        self.assertEqual(cm.exception.args[0], self.EXPECTED_MESSAGE)
+
+    # Unit tests for different values of metavar when nargs=None
+
+    def test_nargs_None_metavar_string(self):
+        self.do_test_no_exception(nargs=None, metavar="1")
+
+    def test_nargs_None_metavar_length0(self):
+        self.do_test_exception(nargs=None, metavar=tuple())
+
+    def test_nargs_None_metavar_length1(self):
+        self.do_test_no_exception(nargs=None, metavar=("1"))
+
+    def test_nargs_None_metavar_length2(self):
+        self.do_test_exception(nargs=None, metavar=("1", "2"))
+
+    def test_nargs_None_metavar_length3(self):
+        self.do_test_exception(nargs=None, metavar=("1", "2", "3"))
+
+    # Unit tests for different values of metavar when nargs=?
+
+    def test_nargs_optional_metavar_string(self):
+        self.do_test_no_exception(nargs="?", metavar="1")
+
+    def test_nargs_optional_metavar_length0(self):
+        self.do_test_exception(nargs="?", metavar=tuple())
+
+    def test_nargs_optional_metavar_length1(self):
+        self.do_test_no_exception(nargs="?", metavar=("1"))
+
+    def test_nargs_optional_metavar_length2(self):
+        self.do_test_exception(nargs="?", metavar=("1", "2"))
+
+    def test_nargs_optional_metavar_length3(self):
+        self.do_test_exception(nargs="?", metavar=("1", "2", "3"))
+
+    # Unit tests for different values of metavar when nargs=*
+
+    def test_nargs_zeroormore_metavar_string(self):
+        self.do_test_no_exception(nargs="*", metavar="1")
+
+    def test_nargs_zeroormore_metavar_length0(self):
+        self.do_test_exception(nargs="*", metavar=tuple())
+
+    def test_nargs_zeroormore_metavar_length1(self):
+        self.do_test_no_exception(nargs="*", metavar=("1"))
+
+    def test_nargs_zeroormore_metavar_length2(self):
+        self.do_test_no_exception(nargs="*", metavar=("1", "2"))
+
+    def test_nargs_zeroormore_metavar_length3(self):
+        self.do_test_exception(nargs="*", metavar=("1", "2", "3"))
+
+    # Unit tests for different values of metavar when nargs=+
+
+    def test_nargs_oneormore_metavar_string(self):
+        self.do_test_no_exception(nargs="+", metavar="1")
+
+    def test_nargs_oneormore_metavar_length0(self):
+        self.do_test_exception(nargs="+", metavar=tuple())
+
+    def test_nargs_oneormore_metavar_length1(self):
+        self.do_test_no_exception(nargs="+", metavar=("1"))
+
+    def test_nargs_oneormore_metavar_length2(self):
+        self.do_test_no_exception(nargs="+", metavar=("1", "2"))
+
+    def test_nargs_oneormore_metavar_length3(self):
+        self.do_test_exception(nargs="+", metavar=("1", "2", "3"))
+
+    # Unit tests for different values of metavar when nargs=...
+
+    def test_nargs_remainder_metavar_string(self):
+        self.do_test_no_exception(nargs="...", metavar="1")
+
+    def test_nargs_remainder_metavar_length0(self):
+        self.do_test_no_exception(nargs="...", metavar=tuple())
+
+    def test_nargs_remainder_metavar_length1(self):
+        self.do_test_no_exception(nargs="...", metavar=("1"))
+
+    def test_nargs_remainder_metavar_length2(self):
+        self.do_test_no_exception(nargs="...", metavar=("1", "2"))
+
+    def test_nargs_remainder_metavar_length3(self):
+        self.do_test_no_exception(nargs="...", metavar=("1", "2", "3"))
+
+    # Unit tests for different values of metavar when nargs=A...
+
+    def test_nargs_parser_metavar_string(self):
+        self.do_test_no_exception(nargs="A...", metavar="1")
+
+    def test_nargs_parser_metavar_length0(self):
+        self.do_test_exception(nargs="A...", metavar=tuple())
+
+    def test_nargs_parser_metavar_length1(self):
+        self.do_test_no_exception(nargs="A...", metavar=("1"))
+
+    def test_nargs_parser_metavar_length2(self):
+        self.do_test_exception(nargs="A...", metavar=("1", "2"))
+
+    def test_nargs_parser_metavar_length3(self):
+        self.do_test_exception(nargs="A...", metavar=("1", "2", "3"))
+
+    # Unit tests for different values of metavar when nargs=1
+
+    def test_nargs_1_metavar_string(self):
+        self.do_test_no_exception(nargs=1, metavar="1")
+
+    def test_nargs_1_metavar_length0(self):
+        self.do_test_exception(nargs=1, metavar=tuple())
+
+    def test_nargs_1_metavar_length1(self):
+        self.do_test_no_exception(nargs=1, metavar=("1"))
+
+    def test_nargs_1_metavar_length2(self):
+        self.do_test_exception(nargs=1, metavar=("1", "2"))
+
+    def test_nargs_1_metavar_length3(self):
+        self.do_test_exception(nargs=1, metavar=("1", "2", "3"))
+
+    # Unit tests for different values of metavar when nargs=2
+
+    def test_nargs_2_metavar_string(self):
+        self.do_test_no_exception(nargs=2, metavar="1")
+
+    def test_nargs_2_metavar_length0(self):
+        self.do_test_exception(nargs=2, metavar=tuple())
+
+    def test_nargs_2_metavar_length1(self):
+        self.do_test_no_exception(nargs=2, metavar=("1"))
+
+    def test_nargs_2_metavar_length2(self):
+        self.do_test_no_exception(nargs=2, metavar=("1", "2"))
+
+    def test_nargs_2_metavar_length3(self):
+        self.do_test_exception(nargs=2, metavar=("1", "2", "3"))
+
+    # Unit tests for different values of metavar when nargs=3
+
+    def test_nargs_3_metavar_string(self):
+        self.do_test_no_exception(nargs=3, metavar="1")
+
+    def test_nargs_3_metavar_length0(self):
+        self.do_test_exception(nargs=3, metavar=tuple())
+
+    def test_nargs_3_metavar_length1(self):
+        self.do_test_no_exception(nargs=3, metavar=("1"))
+
+    def test_nargs_3_metavar_length2(self):
+        self.do_test_exception(nargs=3, metavar=("1", "2"))
+
+    def test_nargs_3_metavar_length3(self):
+        self.do_test_no_exception(nargs=3, metavar=("1", "2", "3"))
+
 # ============================
 # from argparse import * tests
 # ============================
diff --git a/Lib/test/test_bigmem.py b/Lib/test/test_bigmem.py
index f9a0a3d..91c62af 100644
--- a/Lib/test/test_bigmem.py
+++ b/Lib/test/test_bigmem.py
@@ -1,3 +1,13 @@
+"""Bigmem tests - tests for the 32-bit boundary in containers.
+
+These tests try to exercise the 32-bit boundary that is sometimes, if
+rarely, exceeded in practice, but almost never tested.  They are really only
+meaningful on 64-bit builds on machines with a *lot* of memory, but the
+tests are always run, usually with very low memory limits to make sure the
+tests themselves don't suffer from bitrot.  To run them for real, pass a
+high memory limit to regrtest, with the -M option.
+"""
+
 from test import support
 from test.support import bigmemtest, _1G, _2G, _4G, precisionbigmemtest
 
@@ -6,30 +16,45 @@ import operator
 import sys
 import functools
 
+# These tests all use one of the bigmemtest decorators to indicate how much
+# memory they use and how much memory they need to be even meaningful.  The
+# decorators take two arguments: a 'memuse' indicator declaring
+# (approximate) bytes per size-unit the test will use (at peak usage), and a
+# 'minsize' indicator declaring a minimum *useful* size.  A test that
+# allocates a bytestring to test various operations near the end will have a
+# minsize of at least 2Gb (or it wouldn't reach the 32-bit limit, so the
+# test wouldn't be very useful) and a memuse of 1 (one byte per size-unit,
+# if it allocates only one big string at a time.)
+#
+# When run with a memory limit set, both decorators skip tests that need
+# more memory than available to be meaningful.  The precisionbigmemtest will
+# always pass minsize as size, even if there is much more memory available.
+# The bigmemtest decorator will scale size upward to fill available memory.
+#
 # Bigmem testing houserules:
 #
 #  - Try not to allocate too many large objects. It's okay to rely on
-#    refcounting semantics, but don't forget that 's = create_largestring()'
+#    refcounting semantics, and don't forget that 's = create_largestring()'
 #    doesn't release the old 's' (if it exists) until well after its new
 #    value has been created. Use 'del s' before the create_largestring call.
 #
-#  - Do *not* compare large objects using assertEqual or similar. It's a
-#    lengthy operation and the errormessage will be utterly useless due to
-#    its size. To make sure whether a result has the right contents, better
-#    to use the strip or count methods, or compare meaningful slices.
+#  - Do *not* compare large objects using assertEqual, assertIn or similar.
+#    It's a lengthy operation and the errormessage will be utterly useless
+#    due to its size.  To make sure whether a result has the right contents,
+#    better to use the strip or count methods, or compare meaningful slices.
 #
 #  - Don't forget to test for large indices, offsets and results and such,
-#    in addition to large sizes.
+#    in addition to large sizes. Anything that probes the 32-bit boundary.
 #
 #  - When repeating an object (say, a substring, or a small list) to create
 #    a large object, make the subobject of a length that is not a power of
 #    2. That way, int-wrapping problems are more easily detected.
 #
-#  - While the bigmemtest decorator speaks of 'minsize', all tests will
-#    actually be called with a much smaller number too, in the normal
-#    test run (5Kb currently.) This is so the tests themselves get frequent
-#    testing. Consequently, always make all large allocations based on the
-#    passed-in 'size', and don't rely on the size being very large. Also,
+#  - While the bigmem decorators speak of 'minsize', all tests will actually
+#    be called with a much smaller number too, in the normal test run (5Kb
+#    currently.) This is so the tests themselves get frequent testing.
+#    Consequently, always make all large allocations based on the passed-in
+#    'size', and don't rely on the size being very large. Also,
 #    memuse-per-size should remain sane (less than a few thousand); if your
 #    test uses more, adjust 'size' upward, instead.
 
@@ -92,7 +117,7 @@ class BaseStrTest:
         _ = self.from_latin1
         s = _('-') * size
         tabsize = 8
-        self.assertEqual(s.expandtabs(), s)
+        self.assertTrue(s.expandtabs() == s)
         del s
         slen, remainder = divmod(size, tabsize)
         s = _('       \t') * slen
@@ -519,19 +544,19 @@ class BaseStrTest:
         edge = _('-') * (size // 2)
         s = _('').join([edge, SUBSTR, edge])
         del edge
-        self.assertIn(SUBSTR, s)
-        self.assertNotIn(SUBSTR * 2, s)
-        self.assertIn(_('-'), s)
-        self.assertNotIn(_('a'), s)
+        self.assertTrue(SUBSTR in s)
+        self.assertFalse(SUBSTR * 2 in s)
+        self.assertTrue(_('-') in s)
+        self.assertFalse(_('a') in s)
         s += _('a')
-        self.assertIn(_('a'), s)
+        self.assertTrue(_('a') in s)
 
     @bigmemtest(minsize=_2G + 10, memuse=2)
     def test_compare(self, size):
         _ = self.from_latin1
         s1 = _('-') * size
         s2 = _('-') * size
-        self.assertEqual(s1, s2)
+        self.assertTrue(s1 == s2)
         del s2
         s2 = s1 + _('a')
         self.assertFalse(s1 == s2)
@@ -552,7 +577,7 @@ class BaseStrTest:
         h1 = hash(s)
         del s
         s = _('\x00') * (size + 1)
-        self.assertFalse(h1 == hash(s))
+        self.assertNotEqual(h1, hash(s))
 
 
 class StrTest(unittest.TestCase, BaseStrTest):
@@ -633,7 +658,7 @@ class StrTest(unittest.TestCase, BaseStrTest):
     def test_format(self, size):
         s = '-' * size
         sf = '%s' % (s,)
-        self.assertEqual(s, sf)
+        self.assertTrue(s == sf)
         del sf
         sf = '..%s..' % (s,)
         self.assertEqual(len(sf), len(s) + 4)
@@ -743,7 +768,7 @@ class TupleTest(unittest.TestCase):
     def test_compare(self, size):
         t1 = ('',) * size
         t2 = ('',) * size
-        self.assertEqual(t1, t2)
+        self.assertTrue(t1 == t2)
         del t2
         t2 = ('',) * (size + 1)
         self.assertFalse(t1 == t2)
@@ -774,9 +799,9 @@ class TupleTest(unittest.TestCase):
     def test_contains(self, size):
         t = (1, 2, 3, 4, 5) * size
         self.assertEqual(len(t), size * 5)
-        self.assertIn(5, t)
-        self.assertNotIn((1, 2, 3, 4, 5), t)
-        self.assertNotIn(0, t)
+        self.assertTrue(5 in t)
+        self.assertFalse((1, 2, 3, 4, 5) in t)
+        self.assertFalse(0 in t)
 
     @bigmemtest(minsize=_2G + 10, memuse=8)
     def test_hash(self, size):
@@ -879,7 +904,7 @@ class ListTest(unittest.TestCase):
     def test_compare(self, size):
         l1 = [''] * size
         l2 = [''] * size
-        self.assertEqual(l1, l2)
+        self.assertTrue(l1 == l2)
         del l2
         l2 = [''] * (size + 1)
         self.assertFalse(l1 == l2)
@@ -925,9 +950,9 @@ class ListTest(unittest.TestCase):
     def test_contains(self, size):
         l = [1, 2, 3, 4, 5] * size
         self.assertEqual(len(l), size * 5)
-        self.assertIn(5, l)
-        self.assertNotIn([1, 2, 3, 4, 5], l)
-        self.assertNotIn(0, l)
+        self.assertTrue(5 in l)
+        self.assertFalse([1, 2, 3, 4, 5] in l)
+        self.assertFalse(0 in l)
 
     @bigmemtest(minsize=_2G + 10, memuse=8)
     def test_hash(self, size):
diff --git a/Lib/test/test_cmd_line.py b/Lib/test/test_cmd_line.py
index a0a85ae..57508c7 100644
--- a/Lib/test/test_cmd_line.py
+++ b/Lib/test/test_cmd_line.py
@@ -31,12 +31,6 @@ class CmdLineTest(unittest.TestCase):
         self.verify_valid_flag('-O')
         self.verify_valid_flag('-OO')
 
-    def test_q(self):
-        self.verify_valid_flag('-Qold')
-        self.verify_valid_flag('-Qnew')
-        self.verify_valid_flag('-Qwarn')
-        self.verify_valid_flag('-Qwarnall')
-
     def test_site_flag(self):
         self.verify_valid_flag('-S')
 
diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py
index 020f4e2..d4cc4a8 100644
--- a/Lib/test/test_collections.py
+++ b/Lib/test/test_collections.py
@@ -332,37 +332,12 @@ class TestNamedTuple(unittest.TestCase):
         # verify that _source can be run through exec()
         tmp = namedtuple('NTColor', 'red green blue')
         globals().pop('NTColor', None)          # remove artifacts from other tests
-        self.assertNotIn('NTColor', globals())
         exec(tmp._source, globals())
         self.assertIn('NTColor', globals())
         c = NTColor(10, 20, 30)
         self.assertEqual((c.red, c.green, c.blue), (10, 20, 30))
         self.assertEqual(NTColor._fields, ('red', 'green', 'blue'))
         globals().pop('NTColor', None)          # clean-up after this test
-        self.assertNotIn('NTColor', globals())
-
-    def test_source_importable(self):
-        tmp = namedtuple('Color', 'hue sat val')
-
-        compiled = None
-        source = TESTFN + '.py'
-        with open(source, 'w') as f:
-            print(tmp._source, file=f)
-
-        if TESTFN in sys.modules:
-            del sys.modules[TESTFN]
-        try:
-            mod = __import__(TESTFN)
-            compiled = mod.__file__
-            Color = mod.Color
-            c = Color(10, 20, 30)
-            self.assertEqual((c.hue, c.sat, c.val), (10, 20, 30))
-            self.assertEqual(Color._fields, ('hue', 'sat', 'val'))
-        finally:
-            forget(TESTFN)
-            if compiled:
-                unlink(compiled)
-            unlink(source)
 
 
 ################################################################################
diff --git a/Lib/test/test_email/__main__.py b/Lib/test/test_email/__main__.py
new file mode 100644
index 0000000..98af9ec
--- /dev/null
+++ b/Lib/test/test_email/__main__.py
@@ -0,0 +1,3 @@
+from test.test_email import test_main
+
+test_main()
diff --git a/Lib/test/test_email/test_email.py b/Lib/test/test_email/test_email.py
index ec9421d..6cefa38 100644
--- a/Lib/test/test_email/test_email.py
+++ b/Lib/test/test_email/test_email.py
@@ -3925,6 +3925,20 @@ A very long line that must get split to something other than at the
         h.append(x, errors='replace')
         eq(str(h), e)
 
+    def test_escaped_8bit_header(self):
+        x = b'Ynwp4dUEbay Auction Semiar- No Charge \x96 Earn Big'
+        x = x.decode('ascii', 'surrogateescape')
+        h = Header(x, charset=email.charset.UNKNOWN8BIT)
+        self.assertEqual(str(h),
+                        'Ynwp4dUEbay Auction Semiar- No Charge \uFFFD Earn Big')
+        self.assertEqual(email.header.decode_header(h), [(x, 'unknown-8bit')])
+
+    def test_modify_returned_list_does_not_change_header(self):
+        h = Header('test')
+        chunks = email.header.decode_header(h)
+        chunks.append(('ascii', 'test2'))
+        self.assertEqual(str(h), 'test')
+
     def test_encoded_adjacent_nonencoded(self):
         eq = self.assertEqual
         h = Header()
diff --git a/Lib/test/test_future.py b/Lib/test/test_future.py
index c6689a1..3a25eb1 100644
--- a/Lib/test/test_future.py
+++ b/Lib/test/test_future.py
@@ -13,14 +13,14 @@ def get_error_location(msg):
 class FutureTest(unittest.TestCase):
 
     def test_future1(self):
-        support.unload('test_future1')
-        from test import test_future1
-        self.assertEqual(test_future1.result, 6)
+        support.unload('future_test1')
+        from test import future_test1
+        self.assertEqual(future_test1.result, 6)
 
     def test_future2(self):
-        support.unload('test_future2')
-        from test import test_future2
-        self.assertEqual(test_future2.result, 6)
+        support.unload('future_test2')
+        from test import future_test2
+        self.assertEqual(future_test2.result, 6)
 
     def test_future3(self):
         support.unload('test_future3')
diff --git a/Lib/test/test_inspect.py b/Lib/test/test_inspect.py
index 331d247..7d7e16e 100644
--- a/Lib/test/test_inspect.py
+++ b/Lib/test/test_inspect.py
@@ -632,6 +632,16 @@ class TestGetcallargsFunctions(unittest.TestCase):
         self.assertEqualCallArgs(f, '2, c=4, **collections.UserDict(b=3)')
         self.assertEqualCallArgs(f, 'b=2, **collections.UserDict(a=3, c=4)')
 
+    def test_varkw_only(self):
+        # issue11256:
+        f = self.makeCallable('**c')
+        self.assertEqualCallArgs(f, '')
+        self.assertEqualCallArgs(f, 'a=1')
+        self.assertEqualCallArgs(f, 'a=1, b=2')
+        self.assertEqualCallArgs(f, 'c=3, **{"a": 1, "b": 2}')
+        self.assertEqualCallArgs(f, '**collections.UserDict(a=1, b=2)')
+        self.assertEqualCallArgs(f, 'c=3, **collections.UserDict(a=1, b=2)')
+
     def test_keyword_only(self):
         f = self.makeCallable('a=3, *, c, d=2')
         self.assertEqualCallArgs(f, 'c=3')
@@ -643,6 +653,11 @@ class TestGetcallargsFunctions(unittest.TestCase):
         self.assertEqualException(f, 'a=3')
         self.assertEqualException(f, 'd=4')
 
+        f = self.makeCallable('*, c, d=2')
+        self.assertEqualCallArgs(f, 'c=3')
+        self.assertEqualCallArgs(f, 'c=3, d=4')
+        self.assertEqualCallArgs(f, 'd=4, c=3')
+
     def test_multiple_features(self):
         f = self.makeCallable('a, b=2, *f, **g')
         self.assertEqualCallArgs(f, '2, 3, 7')
@@ -656,6 +671,17 @@ class TestGetcallargsFunctions(unittest.TestCase):
                                  '(4,[5,6])]), **collections.UserDict('
                                  'y=9, z=10)')
 
+        f = self.makeCallable('a, b=2, *f, x, y=99, **g')
+        self.assertEqualCallArgs(f, '2, 3, x=8')
+        self.assertEqualCallArgs(f, '2, 3, x=8, *[(4,[5,6]), 7]')
+        self.assertEqualCallArgs(f, '2, x=8, *[3, (4,[5,6]), 7], y=9, z=10')
+        self.assertEqualCallArgs(f, 'x=8, *[2, 3, (4,[5,6])], y=9, z=10')
+        self.assertEqualCallArgs(f, 'x=8, *collections.UserList('
+                                 '[2, 3, (4,[5,6])]), q=0, **{"y":9, "z":10}')
+        self.assertEqualCallArgs(f, '2, x=8, *collections.UserList([3, '
+                                 '(4,[5,6])]), q=0, **collections.UserDict('
+                                 'y=9, z=10)')
+
     def test_errors(self):
         f0 = self.makeCallable('')
         f1 = self.makeCallable('a, b')
@@ -692,6 +718,13 @@ class TestGetcallargsFunctions(unittest.TestCase):
             # - for functions and bound methods: unexpected keyword 'c'
             # - for unbound methods: multiple values for keyword 'a'
             #self.assertEqualException(f, '1, c=3, a=2')
+        # issue11256:
+        f3 = self.makeCallable('**c')
+        self.assertEqualException(f3, '1, 2')
+        self.assertEqualException(f3, '1, 2, a=1, b=2')
+        f4 = self.makeCallable('*, a, b=0')
+        self.assertEqualException(f3, '1, 2')
+        self.assertEqualException(f3, '1, 2, a=1, b=2')
 
 class TestGetcallargsMethods(TestGetcallargsFunctions):
 
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py
index 5e4bf1b..acbb00a 100644
--- a/Lib/test/test_itertools.py
+++ b/Lib/test/test_itertools.py
@@ -69,11 +69,21 @@ class TestBasicOps(unittest.TestCase):
         self.assertEqual(list(accumulate('abc')), ['a', 'ab', 'abc'])   # works with non-numeric
         self.assertEqual(list(accumulate([])), [])                  # empty iterable
         self.assertEqual(list(accumulate([7])), [7])                # iterable of length one
-        self.assertRaises(TypeError, accumulate, range(10), 5)      # too many args
+        self.assertRaises(TypeError, accumulate, range(10), 5, 6)   # too many args
         self.assertRaises(TypeError, accumulate)                    # too few args
         self.assertRaises(TypeError, accumulate, x=range(10))       # unexpected kwd arg
         self.assertRaises(TypeError, list, accumulate([1, []]))     # args that don't add
 
+        s = [2, 8, 9, 5, 7, 0, 3, 4, 1, 6]
+        self.assertEqual(list(accumulate(s, min)),
+                         [2, 2, 2, 2, 2, 0, 0, 0, 0, 0])
+        self.assertEqual(list(accumulate(s, max)),
+                         [2, 8, 9, 9, 9, 9, 9, 9, 9, 9])
+        self.assertEqual(list(accumulate(s, operator.mul)),
+                         [2, 16, 144, 720, 5040, 0, 0, 0, 0, 0])
+        with self.assertRaises(TypeError):
+            list(accumulate(s, chr))                                # unary-operation
+
     def test_chain(self):
 
         def chain2(*iterables):
diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index b62545c..bfb2404 100644
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -40,7 +40,7 @@ from socketserver import ThreadingTCPServer, StreamRequestHandler
 import struct
 import sys
 import tempfile
-from test.support import captured_stdout, run_with_locale, run_unittest
+from test.support import captured_stdout, run_with_locale, run_unittest, patch
 import textwrap
 import unittest
 import warnings
@@ -1082,28 +1082,39 @@ class WarningsTest(BaseTest):
     def test_warnings(self):
         with warnings.catch_warnings():
             logging.captureWarnings(True)
-            try:
-                warnings.filterwarnings("always", category=UserWarning)
-                file = io.StringIO()
-                h = logging.StreamHandler(file)
-                logger = logging.getLogger("py.warnings")
-                logger.addHandler(h)
-                warnings.warn("I'm warning you...")
-                logger.removeHandler(h)
-                s = file.getvalue()
-                h.close()
-                self.assertTrue(s.find("UserWarning: I'm warning you...\n") > 0)
-
-                #See if an explicit file uses the original implementation
-                file = io.StringIO()
-                warnings.showwarning("Explicit", UserWarning, "dummy.py", 42,
-                                        file, "Dummy line")
-                s = file.getvalue()
-                file.close()
-                self.assertEqual(s,
-                        "dummy.py:42: UserWarning: Explicit\n  Dummy line\n")
-            finally:
-                logging.captureWarnings(False)
+            self.addCleanup(lambda: logging.captureWarnings(False))
+            warnings.filterwarnings("always", category=UserWarning)
+            stream = io.StringIO()
+            h = logging.StreamHandler(stream)
+            logger = logging.getLogger("py.warnings")
+            logger.addHandler(h)
+            warnings.warn("I'm warning you...")
+            logger.removeHandler(h)
+            s = stream.getvalue()
+            h.close()
+            self.assertTrue(s.find("UserWarning: I'm warning you...\n") > 0)
+
+            #See if an explicit file uses the original implementation
+            a_file = io.StringIO()
+            warnings.showwarning("Explicit", UserWarning, "dummy.py", 42,
+                                 a_file, "Dummy line")
+            s = a_file.getvalue()
+            a_file.close()
+            self.assertEqual(s,
+                "dummy.py:42: UserWarning: Explicit\n  Dummy line\n")
+
+    def test_warnings_no_handlers(self):
+        with warnings.catch_warnings():
+            logging.captureWarnings(True)
+            self.addCleanup(lambda: logging.captureWarnings(False))
+
+            # confirm our assumption: no loggers are set
+            logger = logging.getLogger("py.warnings")
+            assert logger.handlers == []
+
+            warnings.showwarning("Explicit", UserWarning, "dummy.py", 42)
+            self.assertTrue(len(logger.handlers) == 1)
+            self.assertIsInstance(logger.handlers[0], logging.NullHandler)
 
 
 def formatFunc(format, datefmt=None):
@@ -2007,6 +2018,11 @@ class ManagerTest(BaseTest):
 
         self.assertEqual(logged, ['should appear in logged'])
 
+    def test_set_log_record_factory(self):
+        man = logging.Manager(None)
+        expected = object()
+        man.setLogRecordFactory(expected)
+        self.assertEqual(man.logRecordFactory, expected)
 
 class ChildLoggerTest(BaseTest):
     def test_child_loggers(self):
@@ -2198,6 +2214,479 @@ class LastResortTest(BaseTest):
             logging.raiseExceptions = old_raise_exceptions
 
 
+class FakeHandler:
+
+    def __init__(self, identifier, called):
+        for method in ('acquire', 'flush', 'close', 'release'):
+            setattr(self, method, self.record_call(identifier, method, called))
+
+    def record_call(self, identifier, method_name, called):
+        def inner():
+            called.append('{} - {}'.format(identifier, method_name))
+        return inner
+
+
+class RecordingHandler(logging.NullHandler):
+
+    def __init__(self, *args, **kwargs):
+        super(RecordingHandler, self).__init__(*args, **kwargs)
+        self.records = []
+
+    def handle(self, record):
+        """Keep track of all the emitted records."""
+        self.records.append(record)
+
+
+class ShutdownTest(BaseTest):
+
+    """Tets suite for the shutdown method."""
+
+    def setUp(self):
+        super(ShutdownTest, self).setUp()
+        self.called = []
+
+        raise_exceptions = logging.raiseExceptions
+        self.addCleanup(lambda: setattr(logging, 'raiseExceptions', raise_exceptions))
+
+    def raise_error(self, error):
+        def inner():
+            raise error()
+        return inner
+
+    def test_no_failure(self):
+        # create some fake handlers
+        handler0 = FakeHandler(0, self.called)
+        handler1 = FakeHandler(1, self.called)
+        handler2 = FakeHandler(2, self.called)
+
+        # create live weakref to those handlers
+        handlers = map(logging.weakref.ref, [handler0, handler1, handler2])
+
+        logging.shutdown(handlerList=list(handlers))
+
+        expected = ['2 - acquire', '2 - flush', '2 - close', '2 - release',
+                    '1 - acquire', '1 - flush', '1 - close', '1 - release',
+                    '0 - acquire', '0 - flush', '0 - close', '0 - release']
+        self.assertEqual(expected, self.called)
+
+    def _test_with_failure_in_method(self, method, error):
+        handler = FakeHandler(0, self.called)
+        setattr(handler, method, self.raise_error(error))
+        handlers = [logging.weakref.ref(handler)]
+
+        logging.shutdown(handlerList=list(handlers))
+
+        self.assertEqual('0 - release', self.called[-1])
+
+    def test_with_ioerror_in_acquire(self):
+        self._test_with_failure_in_method('acquire', IOError)
+
+    def test_with_ioerror_in_flush(self):
+        self._test_with_failure_in_method('flush', IOError)
+
+    def test_with_ioerror_in_close(self):
+        self._test_with_failure_in_method('close', IOError)
+
+    def test_with_valueerror_in_acquire(self):
+        self._test_with_failure_in_method('acquire', ValueError)
+
+    def test_with_valueerror_in_flush(self):
+        self._test_with_failure_in_method('flush', ValueError)
+
+    def test_with_valueerror_in_close(self):
+        self._test_with_failure_in_method('close', ValueError)
+
+    def test_with_other_error_in_acquire_without_raise(self):
+        logging.raiseExceptions = False
+        self._test_with_failure_in_method('acquire', IndexError)
+
+    def test_with_other_error_in_flush_without_raise(self):
+        logging.raiseExceptions = False
+        self._test_with_failure_in_method('flush', IndexError)
+
+    def test_with_other_error_in_close_without_raise(self):
+        logging.raiseExceptions = False
+        self._test_with_failure_in_method('close', IndexError)
+
+    def test_with_other_error_in_acquire_with_raise(self):
+        logging.raiseExceptions = True
+        self.assertRaises(IndexError, self._test_with_failure_in_method,
+                          'acquire', IndexError)
+
+    def test_with_other_error_in_flush_with_raise(self):
+        logging.raiseExceptions = True
+        self.assertRaises(IndexError, self._test_with_failure_in_method,
+                          'flush', IndexError)
+
+    def test_with_other_error_in_close_with_raise(self):
+        logging.raiseExceptions = True
+        self.assertRaises(IndexError, self._test_with_failure_in_method,
+                          'close', IndexError)
+
+
+class ModuleLevelMiscTest(BaseTest):
+
+    """Tets suite for some module level methods."""
+
+    def test_disable(self):
+        old_disable = logging.root.manager.disable
+        # confirm our assumptions are correct
+        assert old_disable == 0
+        self.addCleanup(lambda: logging.disable(old_disable))
+
+        logging.disable(83)
+        self.assertEqual(logging.root.manager.disable, 83)
+
+    def _test_log(self, method, level=None):
+        called = []
+        patch(self, logging, 'basicConfig',
+              lambda *a, **kw: called.append(a, kw))
+
+        recording = RecordingHandler()
+        logging.root.addHandler(recording)
+
+        log_method = getattr(logging, method)
+        if level is not None:
+            log_method(level, "test me: %r", recording)
+        else:
+            log_method("test me: %r", recording)
+
+        self.assertEqual(len(recording.records), 1)
+        record = recording.records[0]
+        self.assertEqual(record.getMessage(), "test me: %r" % recording)
+
+        expected_level = level if level is not None else getattr(logging, method.upper())
+        self.assertEqual(record.levelno, expected_level)
+
+        # basicConfig was not called!
+        self.assertEqual(called, [])
+
+    def test_log(self):
+        self._test_log('log', logging.ERROR)
+
+    def test_debug(self):
+        self._test_log('debug')
+
+    def test_info(self):
+        self._test_log('info')
+
+    def test_warning(self):
+        self._test_log('warning')
+
+    def test_error(self):
+        self._test_log('error')
+
+    def test_critical(self):
+        self._test_log('critical')
+
+    def test_set_logger_class(self):
+        self.assertRaises(TypeError, logging.setLoggerClass, object)
+
+        class MyLogger(logging.Logger):
+            pass
+
+        logging.setLoggerClass(MyLogger)
+        self.assertEqual(logging.getLoggerClass(), MyLogger)
+
+        logging.setLoggerClass(logging.Logger)
+        self.assertEqual(logging.getLoggerClass(), logging.Logger)
+
+
+class BasicConfigTest(unittest.TestCase):
+
+    """Tets suite for logging.basicConfig."""
+
+    def setUp(self):
+        super(BasicConfigTest, self).setUp()
+        handlers = logging.root.handlers
+        self.addCleanup(lambda: setattr(logging.root, 'handlers', handlers))
+        logging.root.handlers = []
+
+    def tearDown(self):
+        logging.shutdown()
+        super(BasicConfigTest, self).tearDown()
+
+    def test_no_kwargs(self):
+        logging.basicConfig()
+
+        # handler defaults to a StreamHandler to sys.stderr
+        self.assertEqual(len(logging.root.handlers), 1)
+        handler = logging.root.handlers[0]
+        self.assertIsInstance(handler, logging.StreamHandler)
+        self.assertEqual(handler.stream, sys.stderr)
+
+        formatter = handler.formatter
+        # format defaults to logging.BASIC_FORMAT
+        self.assertEqual(formatter._style._fmt, logging.BASIC_FORMAT)
+        # datefmt defaults to None
+        self.assertIsNone(formatter.datefmt)
+        # style defaults to %
+        self.assertIsInstance(formatter._style, logging.PercentStyle)
+
+        # level is not explicitely set
+        self.assertEqual(logging.root.level, logging.WARNING)
+
+    def test_filename(self):
+        logging.basicConfig(filename='test.log')
+
+        self.assertEqual(len(logging.root.handlers), 1)
+        handler = logging.root.handlers[0]
+        self.assertIsInstance(handler, logging.FileHandler)
+
+        expected = logging.FileHandler('test.log', 'a')
+        self.addCleanup(expected.close)
+        self.assertEqual(handler.stream.mode, expected.stream.mode)
+        self.assertEqual(handler.stream.name, expected.stream.name)
+
+    def test_filemode(self):
+        logging.basicConfig(filename='test.log', filemode='wb')
+
+        handler = logging.root.handlers[0]
+        expected = logging.FileHandler('test.log', 'wb')
+        self.addCleanup(expected.close)
+        self.assertEqual(handler.stream.mode, expected.stream.mode)
+
+    def test_stream(self):
+        stream = io.StringIO()
+        self.addCleanup(stream.close)
+        logging.basicConfig(stream=stream)
+
+        self.assertEqual(len(logging.root.handlers), 1)
+        handler = logging.root.handlers[0]
+        self.assertIsInstance(handler, logging.StreamHandler)
+        self.assertEqual(handler.stream, stream)
+
+    def test_format(self):
+        logging.basicConfig(format='foo')
+
+        formatter = logging.root.handlers[0].formatter
+        self.assertEqual(formatter._style._fmt, 'foo')
+
+    def test_datefmt(self):
+        logging.basicConfig(datefmt='bar')
+
+        formatter = logging.root.handlers[0].formatter
+        self.assertEqual(formatter.datefmt, 'bar')
+
+    def test_style(self):
+        logging.basicConfig(style='$')
+
+        formatter = logging.root.handlers[0].formatter
+        self.assertIsInstance(formatter._style, logging.StringTemplateStyle)
+
+    def test_level(self):
+        old_level = logging.root.level
+        self.addCleanup(lambda: logging.root.setLevel(old_level))
+
+        logging.basicConfig(level=57)
+        self.assertEqual(logging.root.level, 57)
+
+    def _test_log(self, method, level=None):
+        # logging.root has no handlers so basicConfig should be called
+        called = []
+
+        old_basic_config = logging.basicConfig
+        def my_basic_config(*a, **kw):
+            old_basic_config()
+            old_level = logging.root.level
+            logging.root.setLevel(100)  # avoid having messages in stderr
+            self.addCleanup(lambda: logging.root.setLevel(old_level))
+            called.append((a, kw))
+
+        patch(self, logging, 'basicConfig', my_basic_config)
+
+        log_method = getattr(logging, method)
+        if level is not None:
+            log_method(level, "test me")
+        else:
+            log_method("test me")
+
+        # basicConfig was called with no arguments
+        self.assertEqual(called, [((), {})])
+
+    def test_log(self):
+        self._test_log('log', logging.WARNING)
+
+    def test_debug(self):
+        self._test_log('debug')
+
+    def test_info(self):
+        self._test_log('info')
+
+    def test_warning(self):
+        self._test_log('warning')
+
+    def test_error(self):
+        self._test_log('error')
+
+    def test_critical(self):
+        self._test_log('critical')
+
+
+class LoggerAdapterTest(unittest.TestCase):
+
+    def setUp(self):
+        super(LoggerAdapterTest, self).setUp()
+        old_handler_list = logging._handlerList[:]
+
+        self.recording = RecordingHandler()
+        self.logger = logging.root
+        self.logger.addHandler(self.recording)
+        self.addCleanup(lambda: self.logger.removeHandler(self.recording))
+        self.addCleanup(self.recording.close)
+
+        def cleanup():
+            logging._handlerList[:] = old_handler_list
+
+        self.addCleanup(cleanup)
+        self.addCleanup(logging.shutdown)
+        self.adapter = logging.LoggerAdapter(logger=self.logger, extra=None)
+
+    def test_exception(self):
+        msg = 'testing exception: %r'
+        exc = None
+        try:
+            assert False
+        except AssertionError as e:
+            exc = e
+            self.adapter.exception(msg, self.recording)
+
+        self.assertEqual(len(self.recording.records), 1)
+        record = self.recording.records[0]
+        self.assertEqual(record.levelno, logging.ERROR)
+        self.assertEqual(record.msg, msg)
+        self.assertEqual(record.args, (self.recording,))
+        self.assertEqual(record.exc_info,
+                         (exc.__class__, exc, exc.__traceback__))
+
+    def test_critical(self):
+        msg = 'critical test! %r'
+        self.adapter.critical(msg, self.recording)
+
+        self.assertEqual(len(self.recording.records), 1)
+        record = self.recording.records[0]
+        self.assertEqual(record.levelno, logging.CRITICAL)
+        self.assertEqual(record.msg, msg)
+        self.assertEqual(record.args, (self.recording,))
+
+    def test_is_enabled_for(self):
+        old_disable = self.adapter.logger.manager.disable
+        self.adapter.logger.manager.disable = 33
+        self.addCleanup(lambda: setattr(self.adapter.logger.manager,
+                                        'disable', old_disable))
+        self.assertFalse(self.adapter.isEnabledFor(32))
+
+    def test_has_handlers(self):
+        self.assertTrue(self.adapter.hasHandlers())
+
+        for handler in self.logger.handlers:
+            self.logger.removeHandler(handler)
+        assert not self.logger.hasHandlers()
+
+        self.assertFalse(self.adapter.hasHandlers())
+
+
+class LoggerTest(BaseTest):
+
+    def setUp(self):
+        super(LoggerTest, self).setUp()
+        self.recording = RecordingHandler()
+        self.logger = logging.Logger(name='blah')
+        self.logger.addHandler(self.recording)
+        self.addCleanup(lambda: self.logger.removeHandler(self.recording))
+        self.addCleanup(self.recording.close)
+        self.addCleanup(logging.shutdown)
+
+    def test_set_invalid_level(self):
+        self.assertRaises(TypeError, self.logger.setLevel, object())
+
+    def test_exception(self):
+        msg = 'testing exception: %r'
+        exc = None
+        try:
+            assert False
+        except AssertionError as e:
+            exc = e
+            self.logger.exception(msg, self.recording)
+
+        self.assertEqual(len(self.recording.records), 1)
+        record = self.recording.records[0]
+        self.assertEqual(record.levelno, logging.ERROR)
+        self.assertEqual(record.msg, msg)
+        self.assertEqual(record.args, (self.recording,))
+        self.assertEqual(record.exc_info,
+                         (exc.__class__, exc, exc.__traceback__))
+
+    def test_log_invalid_level_with_raise(self):
+        old_raise = logging.raiseExceptions
+        self.addCleanup(lambda: setattr(logging, 'raiseExecptions', old_raise))
+
+        logging.raiseExceptions = True
+        self.assertRaises(TypeError, self.logger.log, '10', 'test message')
+
+    def test_log_invalid_level_no_raise(self):
+        old_raise = logging.raiseExceptions
+        self.addCleanup(lambda: setattr(logging, 'raiseExecptions', old_raise))
+
+        logging.raiseExceptions = False
+        self.logger.log('10', 'test message')  # no exception happens
+
+    def test_find_caller_with_stack_info(self):
+        called = []
+        patch(self, logging.traceback, 'print_stack',
+              lambda f, file: called.append(file.getvalue()))
+
+        self.logger.findCaller(stack_info=True)
+
+        self.assertEqual(len(called), 1)
+        self.assertEqual('Stack (most recent call last):\n', called[0])
+
+    def test_make_record_with_extra_overwrite(self):
+        name = 'my record'
+        level = 13
+        fn = lno = msg = args = exc_info = func = sinfo = None
+        rv = logging._logRecordFactory(name, level, fn, lno, msg, args,
+                                       exc_info, func, sinfo)
+
+        for key in ('message', 'asctime') + tuple(rv.__dict__.keys()):
+            extra = {key: 'some value'}
+            self.assertRaises(KeyError, self.logger.makeRecord, name, level,
+                              fn, lno, msg, args, exc_info,
+                              extra=extra, sinfo=sinfo)
+
+    def test_make_record_with_extra_no_overwrite(self):
+        name = 'my record'
+        level = 13
+        fn = lno = msg = args = exc_info = func = sinfo = None
+        extra = {'valid_key': 'some value'}
+        result = self.logger.makeRecord(name, level, fn, lno, msg, args,
+                                        exc_info, extra=extra, sinfo=sinfo)
+        self.assertIn('valid_key', result.__dict__)
+
+    def test_has_handlers(self):
+        self.assertTrue(self.logger.hasHandlers())
+
+        for handler in self.logger.handlers:
+            self.logger.removeHandler(handler)
+        assert not self.logger.hasHandlers()
+
+        self.assertFalse(self.logger.hasHandlers())
+
+    def test_has_handlers_no_propagate(self):
+        child_logger = logging.getLogger('blah.child')
+        child_logger.propagate = False
+        assert child_logger.handlers == []
+
+        self.assertFalse(child_logger.hasHandlers())
+
+    def test_is_enabled_for(self):
+        old_disable = self.logger.manager.disable
+        self.logger.manager.disable = 23
+        self.addCleanup(lambda: setattr(self.logger.manager,
+                                        'disable', old_disable))
+        self.assertFalse(self.logger.isEnabledFor(22))
+
+
 class BaseFileTest(BaseTest):
     "Base class for handler tests that write log files"
 
@@ -2319,6 +2808,8 @@ def test_main():
                  EncodingTest, WarningsTest, ConfigDictTest, ManagerTest,
                  FormatterTest,
                  LogRecordFactoryTest, ChildLoggerTest, QueueHandlerTest,
+                 ShutdownTest, ModuleLevelMiscTest, BasicConfigTest,
+                 LoggerAdapterTest, LoggerTest,
                  RotatingFileHandlerTest,
                  LastResortTest,
                  TimedRotatingFileHandlerTest
diff --git a/Lib/test/test_mailbox.py b/Lib/test/test_mailbox.py
index 03f814a..9b4613e 100644
--- a/Lib/test/test_mailbox.py
+++ b/Lib/test/test_mailbox.py
@@ -869,8 +869,6 @@ class TestMaildir(TestMailbox):
         self.assertFalse((perms & 0o111)) # Execute bits should all be off.
 
     def test_reread(self):
-        # Wait for 2 seconds
-        time.sleep(2)
 
         # Initially, the mailbox has not been read and the time is null.
         assert getattr(self._box, '_last_read', None) is None
@@ -879,15 +877,21 @@ class TestMaildir(TestMailbox):
         self._box._refresh()
         assert getattr(self._box, '_last_read', None) is not None
 
-        # Try calling _refresh() again; the modification times shouldn't have
-        # changed, so the mailbox should not be re-reading.  Re-reading causes
-        # the ._toc attribute to be assigned a new dictionary object, so
-        # we'll check that the ._toc attribute isn't a different object.
+        # Put the last modified times more than one second into the past
+        # (because mtime has a one second granularity, a refresh is done
+        # unconditionally if called for within the same second, just in case
+        # the mbox has changed).
+        for subdir in ('cur', 'new'):
+            os.utime(os.path.join(self._box._path, subdir),
+                     (time.time()-5,)*2)
+
+        # Re-reading causes the ._toc attribute to be assigned a new dictionary
+        # object, so we'll check that the ._toc attribute isn't a different
+        # object.
         orig_toc = self._box._toc
         def refreshed():
             return self._box._toc is not orig_toc
 
-        time.sleep(1)         # Wait 1sec to ensure time.time()'s value changes
         self._box._refresh()
         assert not refreshed()
 
diff --git a/Lib/test/test_msilib.py b/Lib/test/test_msilib.py
new file mode 100644
index 0000000..ccdaec7
--- /dev/null
+++ b/Lib/test/test_msilib.py
@@ -0,0 +1,46 @@
+""" Test suite for the code in msilib """
+import unittest
+import os
+from test.support import run_unittest, import_module
+msilib = import_module('msilib')
+
+class Test_make_id(unittest.TestCase):
+    #http://msdn.microsoft.com/en-us/library/aa369212(v=vs.85).aspx
+    """The Identifier data type is a text string. Identifiers may contain the
+    ASCII characters A-Z (a-z), digits, underscores (_), or periods (.).
+    However, every identifier must begin with either a letter or an
+    underscore.
+    """
+
+    def test_is_no_change_required(self):
+        self.assertEqual(
+            msilib.make_id("short"), "short")
+        self.assertEqual(
+            msilib.make_id("nochangerequired"), "nochangerequired")
+        self.assertEqual(
+            msilib.make_id("one.dot"), "one.dot")
+        self.assertEqual(
+            msilib.make_id("_"), "_")
+        self.assertEqual(
+            msilib.make_id("a"), "a")
+        #self.assertEqual(
+        #    msilib.make_id(""), "")
+
+    def test_invalid_first_char(self):
+        self.assertEqual(
+            msilib.make_id("9.short"), "_9.short")
+        self.assertEqual(
+            msilib.make_id(".short"), "_.short")
+
+    def test_invalid_any_char(self):
+        self.assertEqual(
+            msilib.make_id(".s\x82ort"), "_.s_ort")
+        self.assertEqual    (
+            msilib.make_id(".s\x82o?*+rt"), "_.s_o___rt")
+
+
+def test_main():
+    run_unittest(__name__)
+
+if __name__ == '__main__':
+    test_main()
diff --git a/Lib/test/test_multiprocessing.py b/Lib/test/test_multiprocessing.py
index 06449d2..0ddc71c 100644
--- a/Lib/test/test_multiprocessing.py
+++ b/Lib/test/test_multiprocessing.py
@@ -929,6 +929,21 @@ class _TestArray(BaseTestCase):
         self.assertEqual(list(arr[:]), seq)
 
     @unittest.skipIf(c_int is None, "requires _ctypes")
+    def test_array_from_size(self):
+        size = 10
+        # Test for zeroing (see issue #11675).
+        # The repetition below strengthens the test by increasing the chances
+        # of previously allocated non-zero memory being used for the new array
+        # on the 2nd and 3rd loops.
+        for _ in range(3):
+            arr = self.Array('i', size)
+            self.assertEqual(len(arr), size)
+            self.assertEqual(list(arr), [0] * size)
+            arr[:] = range(10)
+            self.assertEqual(list(arr), list(range(10)))
+            del arr
+
+    @unittest.skipIf(c_int is None, "requires _ctypes")
     def test_rawarray(self):
         self.test_array(raw=True)
 
diff --git a/Lib/test/test_pydoc.py b/Lib/test/test_pydoc.py
index 0ecf6a5..4a83dff 100644
--- a/Lib/test/test_pydoc.py
+++ b/Lib/test/test_pydoc.py
@@ -12,9 +12,10 @@ import unittest
 import xml.etree
 import textwrap
 from io import StringIO
+from collections import namedtuple
 from contextlib import contextmanager
 from test.support import TESTFN, forget, rmtree, EnvironmentVarGuard, \
-     reap_children, captured_output
+     reap_children, captured_output, captured_stdout
 
 from test import pydoc_mod
 
@@ -379,6 +380,15 @@ class PydocDocTest(unittest.TestCase):
         finally:
             pydoc.getpager = getpager_old
 
+    def test_namedtuple_public_underscore(self):
+        NT = namedtuple('NT', ['abc', 'def'], rename=True)
+        with captured_stdout() as help_io:
+            help(NT)
+        helptext = help_io.getvalue()
+        self.assertIn('_1', helptext)
+        self.assertIn('_replace', helptext)
+        self.assertIn('_asdict', helptext)
+
 
 class TestDescriptions(unittest.TestCase):
 
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
index e4b33c9..fe8bc34 100644
--- a/Lib/test/test_re.py
+++ b/Lib/test/test_re.py
@@ -1,7 +1,9 @@
 from test.support import verbose, run_unittest
 import re
 from re import Scanner
-import sys, traceback
+import sys
+import string
+import traceback
 from weakref import proxy
 
 # Misc tests from Tim Peters' re.doc
@@ -411,31 +413,62 @@ class ReTests(unittest.TestCase):
         self.assertEqual(re.search("\s(b)", " b").group(1), "b")
         self.assertEqual(re.search("a\s", "a ").group(0), "a ")
 
+    def assertMatch(self, pattern, text, match=None, span=None,
+                    matcher=re.match):
+        if match is None and span is None:
+            # the pattern matches the whole text
+            match = text
+            span = (0, len(text))
+        elif match is None or span is None:
+            raise ValueError('If match is not None, span should be specified '
+                             '(and vice versa).')
+        m = matcher(pattern, text)
+        self.assertTrue(m)
+        self.assertEqual(m.group(), match)
+        self.assertEqual(m.span(), span)
+
     def test_re_escape(self):
-        p=""
-        self.assertEqual(re.escape(p), p)
-        for i in range(0, 256):
-            p = p + chr(i)
-            self.assertEqual(re.match(re.escape(chr(i)), chr(i)) is not None,
-                             True)
-            self.assertEqual(re.match(re.escape(chr(i)), chr(i)).span(), (0,1))
-
-        pat=re.compile(re.escape(p))
-        self.assertEqual(pat.match(p) is not None, True)
-        self.assertEqual(pat.match(p).span(), (0,256))
+        alnum_chars = string.ascii_letters + string.digits
+        p = ''.join(chr(i) for i in range(256))
+        for c in p:
+            if c in alnum_chars:
+                self.assertEqual(re.escape(c), c)
+            elif c == '\x00':
+                self.assertEqual(re.escape(c), '\\000')
+            else:
+                self.assertEqual(re.escape(c), '\\' + c)
+            self.assertMatch(re.escape(c), c)
+        self.assertMatch(re.escape(p), p)
 
     def test_re_escape_byte(self):
-        p=b""
-        self.assertEqual(re.escape(p), p)
-        for i in range(0, 256):
+        alnum_chars = (string.ascii_letters + string.digits).encode('ascii')
+        p = bytes(range(256))
+        for i in p:
             b = bytes([i])
-            p += b
-            self.assertEqual(re.match(re.escape(b), b) is not None, True)
-            self.assertEqual(re.match(re.escape(b), b).span(), (0,1))
-
-        pat=re.compile(re.escape(p))
-        self.assertEqual(pat.match(p) is not None, True)
-        self.assertEqual(pat.match(p).span(), (0,256))
+            if b in alnum_chars:
+                self.assertEqual(re.escape(b), b)
+            elif i == 0:
+                self.assertEqual(re.escape(b), b'\\000')
+            else:
+                self.assertEqual(re.escape(b), b'\\' + b)
+            self.assertMatch(re.escape(b), b)
+        self.assertMatch(re.escape(p), p)
+
+    def test_re_escape_non_ascii(self):
+        s = 'xxx\u2620\u2620\u2620xxx'
+        s_escaped = re.escape(s)
+        self.assertEqual(s_escaped, 'xxx\\\u2620\\\u2620\\\u2620xxx')
+        self.assertMatch(s_escaped, s)
+        self.assertMatch('.%s+.' % re.escape('\u2620'), s,
+                         'x\u2620\u2620\u2620x', (2, 7), re.search)
+
+    def test_re_escape_non_ascii_bytes(self):
+        b = 'y\u2620y\u2620y'.encode('utf-8')
+        b_escaped = re.escape(b)
+        self.assertEqual(b_escaped, b'y\\\xe2\\\x98\\\xa0y\\\xe2\\\x98\\\xa0y')
+        self.assertMatch(b_escaped, b)
+        res = re.findall(re.escape('\u2620'.encode('utf-8')), b)
+        self.assertEqual(len(res), 2)
 
     def pickle_test(self, pickle):
         oldpat = re.compile('a(?:b|(c|e){1,2}?|d)+?(.)')
diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
index 6523c8a..9729c9a 100644
--- a/Lib/test/test_subprocess.py
+++ b/Lib/test/test_subprocess.py
@@ -1325,6 +1325,7 @@ class POSIXProcessTestCase(BaseTestCase):
                              stdout=subprocess.PIPE,
                              bufsize=0)
         f = p.stdout
+        self.addCleanup(f.close)
         try:
             self.assertEqual(f.read(4), b"appl")
             self.assertIn(f, select.select([f], [], [], 0.0)[0])
diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index d412e67..e18019c 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -501,7 +501,7 @@ class SysModuleTest(unittest.TestCase):
 
     def test_sys_flags(self):
         self.assertTrue(sys.flags)
-        attrs = ("debug", "division_warning",
+        attrs = ("debug",
                  "inspect", "interactive", "optimize", "dont_write_bytecode",
                  "no_user_site", "no_site", "ignore_environment", "verbose",
                  "bytes_warning", "quiet")
diff --git a/Lib/test/test_urllibnet.py b/Lib/test/test_urllibnet.py
index c885103..32efb2b 100644
--- a/Lib/test/test_urllibnet.py
+++ b/Lib/test/test_urllibnet.py
@@ -12,6 +12,7 @@ import time
 
 
 class URLTimeoutTest(unittest.TestCase):
+    # XXX this test doesn't seem to test anything useful.
 
     TIMEOUT = 30.0
 
@@ -24,7 +25,7 @@ class URLTimeoutTest(unittest.TestCase):
     def testURLread(self):
         with support.transient_internet("www.python.org"):
             f = urllib.request.urlopen("http://www.python.org/")
-        x = f.read()
+            x = f.read()
 
 class urlopenNetworkTests(unittest.TestCase):
     """Tests urllib.reqest.urlopen using the network.
@@ -43,8 +44,10 @@ class urlopenNetworkTests(unittest.TestCase):
 
     def urlopen(self, *args, **kwargs):
         resource = args[0]
-        with support.transient_internet(resource):
-            return urllib.request.urlopen(*args, **kwargs)
+        cm = support.transient_internet(resource)
+        cm.__enter__()
+        self.addCleanup(cm.__exit__, None, None, None)
+        return urllib.request.urlopen(*args, **kwargs)
 
     def test_basic(self):
         # Simple test expected to pass.
@@ -135,8 +138,10 @@ class urlretrieveNetworkTests(unittest.TestCase):
 
     def urlretrieve(self, *args):
         resource = args[0]
-        with support.transient_internet(resource):
-            return urllib.request.urlretrieve(*args)
+        cm = support.transient_internet(resource)
+        cm.__enter__()
+        self.addCleanup(cm.__exit__, None, None, None)
+        return urllib.request.urlretrieve(*args)
 
     def test_basic(self):
         # Test basic functionality.
diff --git a/Lib/test/test_xdrlib.py b/Lib/test/test_xdrlib.py
index 073448c..6004c9f 100644
--- a/Lib/test/test_xdrlib.py
+++ b/Lib/test/test_xdrlib.py
@@ -12,6 +12,7 @@ class XDRTest(unittest.TestCase):
         a = [b'what', b'is', b'hapnin', b'doctor']
 
         p.pack_int(42)
+        p.pack_int(-17)
         p.pack_uint(9)
         p.pack_bool(True)
         p.pack_bool(False)
@@ -29,6 +30,7 @@ class XDRTest(unittest.TestCase):
         self.assertEqual(up.get_position(), 0)
 
         self.assertEqual(up.unpack_int(), 42)
+        self.assertEqual(up.unpack_int(), -17)
         self.assertEqual(up.unpack_uint(), 9)
         self.assertTrue(up.unpack_bool() is True)