diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_grammar.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_grammar.py	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,954 @@
+# Python test set -- part 1, grammar.
+# This just tests whether the parser accepts them all.
+
+# NOTE: When you run this test as a script from the command line, you
+# get warnings about certain hex/oct constants.  Since those are
+# issued by the parser, you can't suppress them by adding a
+# filterwarnings() call to this module.  Therefore, to shut up the
+# regression test, the filterwarnings() call has been added to
+# regrtest.py.
+
+from test.test_support import run_unittest, check_syntax_error
+import unittest
+import sys
+# testing import *
+from sys import *
+
+class TokenTests(unittest.TestCase):
+
+    def testBackslash(self):
+        # Backslash means line continuation:
+        x = 1 \
+        + 1
+        self.assertEquals(x, 2, 'backslash for line continuation')
+
+        # Backslash does not means continuation in comments :\
+        x = 0
+        self.assertEquals(x, 0, 'backslash ending comment')
+
+    def testPlainIntegers(self):
+        self.assertEquals(0xff, 255)
+        self.assertEquals(0377, 255)
+        self.assertEquals(2147483647, 017777777777)
+        # "0x" is not a valid literal
+        self.assertRaises(SyntaxError, eval, "0x")
+        from sys import maxint
+        if maxint == 2147483647:
+            self.assertEquals(-2147483647-1, -020000000000)
+            # XXX -2147483648
+            self.assert_(037777777777 > 0)
+            self.assert_(0xffffffff > 0)
+            for s in '2147483648', '040000000000', '0x100000000':
+                try:
+                    x = eval(s)
+                except OverflowError:
+                    self.fail("OverflowError on huge integer literal %r" % s)
+        elif maxint == 9223372036854775807:
+            self.assertEquals(-9223372036854775807-1, -01000000000000000000000)
+            self.assert_(01777777777777777777777 > 0)
+            self.assert_(0xffffffffffffffff > 0)
+            for s in '9223372036854775808', '02000000000000000000000', \
+                     '0x10000000000000000':
+                try:
+                    x = eval(s)
+                except OverflowError:
+                    self.fail("OverflowError on huge integer literal %r" % s)
+        else:
+            self.fail('Weird maxint value %r' % maxint)
+
+    def testLongIntegers(self):
+        x = 0L
+        x = 0l
+        x = 0xffffffffffffffffL
+        x = 0xffffffffffffffffl
+        x = 077777777777777777L
+        x = 077777777777777777l
+        x = 123456789012345678901234567890L
+        x = 123456789012345678901234567890l
+
+    def testFloats(self):
+        x = 3.14
+        x = 314.
+        x = 0.314
+        # XXX x = 000.314
+        x = .314
+        x = 3e14
+        x = 3E14
+        x = 3e-14
+        x = 3e+14
+        x = 3.e14
+        x = .3e14
+        x = 3.1e4
+
+    def testStringLiterals(self):
+        x = ''; y = ""; self.assert_(len(x) == 0 and x == y)
+        x = '\''; y = "'"; self.assert_(len(x) == 1 and x == y and ord(x) == 39)
+        x = '"'; y = "\""; self.assert_(len(x) == 1 and x == y and ord(x) == 34)
+        x = "doesn't \"shrink\" does it"
+        y = 'doesn\'t "shrink" does it'
+        self.assert_(len(x) == 24 and x == y)
+        x = "does \"shrink\" doesn't it"
+        y = 'does "shrink" doesn\'t it'
+        self.assert_(len(x) == 24 and x == y)
+        x = """
+The "quick"
+brown fox
+jumps over
+the 'lazy' dog.
+"""
+        y = '\nThe "quick"\nbrown fox\njumps over\nthe \'lazy\' dog.\n'
+        self.assertEquals(x, y)
+        y = '''
+The "quick"
+brown fox
+jumps over
+the 'lazy' dog.
+'''
+        self.assertEquals(x, y)
+        y = "\n\
+The \"quick\"\n\
+brown fox\n\
+jumps over\n\
+the 'lazy' dog.\n\
+"
+        self.assertEquals(x, y)
+        y = '\n\
+The \"quick\"\n\
+brown fox\n\
+jumps over\n\
+the \'lazy\' dog.\n\
+'
+        self.assertEquals(x, y)
+
+
+class GrammarTests(unittest.TestCase):
+
+    # single_input: NEWLINE | simple_stmt | compound_stmt NEWLINE
+    # XXX can't test in a script -- this rule is only used when interactive
+
+    # file_input: (NEWLINE | stmt)* ENDMARKER
+    # Being tested as this very moment this very module
+
+    # expr_input: testlist NEWLINE
+    # XXX Hard to test -- used only in calls to input()
+
+    def testEvalInput(self):
+        # testlist ENDMARKER
+        x = eval('1, 0 or 1')
+
+    def testFuncdef(self):
+        ### 'def' NAME parameters ':' suite
+        ### parameters: '(' [varargslist] ')'
+        ### varargslist: (fpdef ['=' test] ',')* ('*' NAME [',' ('**'|'*' '*') NAME]
+        ###            | ('**'|'*' '*') NAME)
+        ###            | fpdef ['=' test] (',' fpdef ['=' test])* [',']
+        ### fpdef: NAME | '(' fplist ')'
+        ### fplist: fpdef (',' fpdef)* [',']
+        ### arglist: (argument ',')* (argument | *' test [',' '**' test] | '**' test)
+        ### argument: [test '='] test   # Really [keyword '='] test
+        def f1(): pass
+        f1()
+        f1(*())
+        f1(*(), **{})
+        def f2(one_argument): pass
+        def f3(two, arguments): pass
+        def f4(two, (compound, (argument, list))): pass
+        def f5((compound, first), two): pass
+        self.assertEquals(f2.func_code.co_varnames, ('one_argument',))
+        self.assertEquals(f3.func_code.co_varnames, ('two', 'arguments'))
+        if sys.platform.startswith('java'):
+            self.assertEquals(f4.func_code.co_varnames,
+                   ('two', '(compound, (argument, list))', 'compound', 'argument',
+                                'list',))
+            self.assertEquals(f5.func_code.co_varnames,
+                   ('(compound, first)', 'two', 'compound', 'first'))
+        else:
+            self.assertEquals(f4.func_code.co_varnames,
+                  ('two', '.1', 'compound', 'argument',  'list'))
+            self.assertEquals(f5.func_code.co_varnames,
+                  ('.0', 'two', 'compound', 'first'))
+        def a1(one_arg,): pass
+        def a2(two, args,): pass
+        def v0(*rest): pass
+        def v1(a, *rest): pass
+        def v2(a, b, *rest): pass
+        def v3(a, (b, c), *rest): return a, b, c, rest
+
+        f1()
+        f2(1)
+        f2(1,)
+        f3(1, 2)
+        f3(1, 2,)
+        f4(1, (2, (3, 4)))
+        v0()
+        v0(1)
+        v0(1,)
+        v0(1,2)
+        v0(1,2,3,4,5,6,7,8,9,0)
+        v1(1)
+        v1(1,)
+        v1(1,2)
+        v1(1,2,3)
+        v1(1,2,3,4,5,6,7,8,9,0)
+        v2(1,2)
+        v2(1,2,3)
+        v2(1,2,3,4)
+        v2(1,2,3,4,5,6,7,8,9,0)
+        v3(1,(2,3))
+        v3(1,(2,3),4)
+        v3(1,(2,3),4,5,6,7,8,9,0)
+
+        # ceval unpacks the formal arguments into the first argcount names;
+        # thus, the names nested inside tuples must appear after these names.
+        if sys.platform.startswith('java'):
+            self.assertEquals(v3.func_code.co_varnames, ('a', '(b, c)', 'rest', 'b', 'c'))
+        else:
+            self.assertEquals(v3.func_code.co_varnames, ('a', '.1', 'rest', 'b', 'c'))
+        self.assertEquals(v3(1, (2, 3), 4), (1, 2, 3, (4,)))
+        def d01(a=1): pass
+        d01()
+        d01(1)
+        d01(*(1,))
+        d01(**{'a':2})
+        def d11(a, b=1): pass
+        d11(1)
+        d11(1, 2)
+        d11(1, **{'b':2})
+        def d21(a, b, c=1): pass
+        d21(1, 2)
+        d21(1, 2, 3)
+        d21(*(1, 2, 3))
+        d21(1, *(2, 3))
+        d21(1, 2, *(3,))
+        d21(1, 2, **{'c':3})
+        def d02(a=1, b=2): pass
+        d02()
+        d02(1)
+        d02(1, 2)
+        d02(*(1, 2))
+        d02(1, *(2,))
+        d02(1, **{'b':2})
+        d02(**{'a': 1, 'b': 2})
+        def d12(a, b=1, c=2): pass
+        d12(1)
+        d12(1, 2)
+        d12(1, 2, 3)
+        def d22(a, b, c=1, d=2): pass
+        d22(1, 2)
+        d22(1, 2, 3)
+        d22(1, 2, 3, 4)
+        def d01v(a=1, *rest): pass
+        d01v()
+        d01v(1)
+        d01v(1, 2)
+        d01v(*(1, 2, 3, 4))
+        d01v(*(1,))
+        d01v(**{'a':2})
+        def d11v(a, b=1, *rest): pass
+        d11v(1)
+        d11v(1, 2)
+        d11v(1, 2, 3)
+        def d21v(a, b, c=1, *rest): pass
+        d21v(1, 2)
+        d21v(1, 2, 3)
+        d21v(1, 2, 3, 4)
+        d21v(*(1, 2, 3, 4))
+        d21v(1, 2, **{'c': 3})
+        def d02v(a=1, b=2, *rest): pass
+        d02v()
+        d02v(1)
+        d02v(1, 2)
+        d02v(1, 2, 3)
+        d02v(1, *(2, 3, 4))
+        d02v(**{'a': 1, 'b': 2})
+        def d12v(a, b=1, c=2, *rest): pass
+        d12v(1)
+        d12v(1, 2)
+        d12v(1, 2, 3)
+        d12v(1, 2, 3, 4)
+        d12v(*(1, 2, 3, 4))
+        d12v(1, 2, *(3, 4, 5))
+        d12v(1, *(2,), **{'c': 3})
+        def d22v(a, b, c=1, d=2, *rest): pass
+        d22v(1, 2)
+        d22v(1, 2, 3)
+        d22v(1, 2, 3, 4)
+        d22v(1, 2, 3, 4, 5)
+        d22v(*(1, 2, 3, 4))
+        d22v(1, 2, *(3, 4, 5))
+        d22v(1, *(2, 3), **{'d': 4})
+        def d31v((x)): pass
+        d31v(1)
+        def d32v((x,)): pass
+        d32v((1,))
+
+        # keyword arguments after *arglist
+        def f(*args, **kwargs):
+            return args, kwargs
+        self.assertEquals(f(1, x=2, *[3, 4], y=5), ((1, 3, 4),
+                                                    {'x':2, 'y':5}))
+        self.assertRaises(SyntaxError, eval, "f(1, *(2,3), 4)")
+        self.assertRaises(SyntaxError, eval, "f(1, x=2, *(3,4), x=5)")
+
+        # Check ast errors in *args and *kwargs
+        check_syntax_error(self, "f(*g(1=2))")
+        check_syntax_error(self, "f(**g(1=2))")
+
+    def testLambdef(self):
+        ### lambdef: 'lambda' [varargslist] ':' test
+        l1 = lambda : 0
+        self.assertEquals(l1(), 0)
+        l2 = lambda : a[d] # XXX just testing the expression
+        l3 = lambda : [2 < x for x in [-1, 3, 0L]]
+        self.assertEquals(l3(), [0, 1, 0])
+        l4 = lambda x = lambda y = lambda z=1 : z : y() : x()
+        self.assertEquals(l4(), 1)
+        l5 = lambda x, y, z=2: x + y + z
+        self.assertEquals(l5(1, 2), 5)
+        self.assertEquals(l5(1, 2, 3), 6)
+        check_syntax_error(self, "lambda x: x = 2")
+        check_syntax_error(self, "lambda (None,): None")
+
+    ### stmt: simple_stmt | compound_stmt
+    # Tested below
+
+    def testSimpleStmt(self):
+        ### simple_stmt: small_stmt (';' small_stmt)* [';']
+        x = 1; pass; del x
+        def foo():
+            # verify statments that end with semi-colons
+            x = 1; pass; del x;
+        foo()
+
+    ### small_stmt: expr_stmt | print_stmt  | pass_stmt | del_stmt | flow_stmt | import_stmt | global_stmt | access_stmt | exec_stmt
+    # Tested below
+
+    def testExprStmt(self):
+        # (exprlist '=')* exprlist
+        1
+        1, 2, 3
+        x = 1
+        x = 1, 2, 3
+        x = y = z = 1, 2, 3
+        x, y, z = 1, 2, 3
+        abc = a, b, c = x, y, z = xyz = 1, 2, (3, 4)
+
+        check_syntax_error(self, "x + 1 = 1")
+        check_syntax_error(self, "a + 1 = b + 2")
+
+    def testPrintStmt(self):
+        # 'print' (test ',')* [test]
+        import StringIO
+
+        # Can't test printing to real stdout without comparing output
+        # which is not available in unittest.
+        save_stdout = sys.stdout
+        sys.stdout = StringIO.StringIO()
+
+        print 1, 2, 3
+        print 1, 2, 3,
+        print
+        print 0 or 1, 0 or 1,
+        print 0 or 1
+
+        # 'print' '>>' test ','
+        print >> sys.stdout, 1, 2, 3
+        print >> sys.stdout, 1, 2, 3,
+        print >> sys.stdout
+        print >> sys.stdout, 0 or 1, 0 or 1,
+        print >> sys.stdout, 0 or 1
+
+        # test printing to an instance
+        class Gulp:
+            def write(self, msg): pass
+
+        gulp = Gulp()
+        print >> gulp, 1, 2, 3
+        print >> gulp, 1, 2, 3,
+        print >> gulp
+        print >> gulp, 0 or 1, 0 or 1,
+        print >> gulp, 0 or 1
+
+        # test print >> None
+        def driver():
+            oldstdout = sys.stdout
+            sys.stdout = Gulp()
+            try:
+                tellme(Gulp())
+                tellme()
+            finally:
+                sys.stdout = oldstdout
+
+        # we should see this once
+        def tellme(file=sys.stdout):
+            print >> file, 'hello world'
+
+        driver()
+
+        # we should not see this at all
+        def tellme(file=None):
+            print >> file, 'goodbye universe'
+
+        driver()
+
+        self.assertEqual(sys.stdout.getvalue(), '''\
+1 2 3
+1 2 3
+1 1 1
+1 2 3
+1 2 3
+1 1 1
+hello world
+''')
+        sys.stdout = save_stdout
+
+        # syntax errors
+        check_syntax_error(self, 'print ,')
+        check_syntax_error(self, 'print >> x,')
+
+    def testDelStmt(self):
+        # 'del' exprlist
+        abc = [1,2,3]
+        x, y, z = abc
+        xyz = x, y, z
+
+        del abc
+        del x, y, (z, xyz)
+
+    def testPassStmt(self):
+        # 'pass'
+        pass
+
+    # flow_stmt: break_stmt | continue_stmt | return_stmt | raise_stmt
+    # Tested below
+
+    def testBreakStmt(self):
+        # 'break'
+        while 1: break
+
+    def testContinueStmt(self):
+        # 'continue'
+        i = 1
+        while i: i = 0; continue
+
+        msg = ""
+        while not msg:
+            msg = "ok"
+            try:
+                continue
+                msg = "continue failed to continue inside try"
+            except:
+                msg = "continue inside try called except block"
+        if msg != "ok":
+            self.fail(msg)
+
+        msg = ""
+        while not msg:
+            msg = "finally block not called"
+            try:
+                continue
+            finally:
+                msg = "ok"
+        if msg != "ok":
+            self.fail(msg)
+
+    def test_break_continue_loop(self):
+        # This test warrants an explanation. It is a test specifically for SF bugs
+        # #463359 and #462937. The bug is that a 'break' statement executed or
+        # exception raised inside a try/except inside a loop, *after* a continue
+        # statement has been executed in that loop, will cause the wrong number of
+        # arguments to be popped off the stack and the instruction pointer reset to
+        # a very small number (usually 0.) Because of this, the following test
+        # *must* written as a function, and the tracking vars *must* be function
+        # arguments with default values. Otherwise, the test will loop and loop.
+
+        def test_inner(extra_burning_oil = 1, count=0):
+            big_hippo = 2
+            while big_hippo:
+                count += 1
+                try:
+                    if extra_burning_oil and big_hippo == 1:
+                        extra_burning_oil -= 1
+                        break
+                    big_hippo -= 1
+                    continue
+                except:
+                    raise
+            if count > 2 or big_hippo <> 1:
+                self.fail("continue then break in try/except in loop broken!")
+        test_inner()
+
+    def testReturn(self):
+        # 'return' [testlist]
+        def g1(): return
+        def g2(): return 1
+        g1()
+        x = g2()
+        check_syntax_error(self, "class foo:return 1")
+
+    def testYield(self):
+        check_syntax_error(self, "class foo:yield 1")
+
+    def testRaise(self):
+        # 'raise' test [',' test]
+        try: raise RuntimeError, 'just testing'
+        except RuntimeError: pass
+        try: raise KeyboardInterrupt
+        except KeyboardInterrupt: pass
+
+    def testImport(self):
+        # 'import' dotted_as_names
+        import sys
+        import time, sys
+        # 'from' dotted_name 'import' ('*' | '(' import_as_names ')' | import_as_names)
+        from time import time
+        from time import (time)
+        # not testable inside a function, but already done at top of the module
+        # from sys import *
+        from sys import path, argv
+        from sys import (path, argv)
+        from sys import (path, argv,)
+
+    def testGlobal(self):
+        # 'global' NAME (',' NAME)*
+        global a
+        global a, b
+        global one, two, three, four, five, six, seven, eight, nine, ten
+
+    def testExec(self):
+        # 'exec' expr ['in' expr [',' expr]]
+        z = None
+        del z
+        exec 'z=1+1\n'
+        if z != 2: self.fail('exec \'z=1+1\'\\n')
+        del z
+        exec 'z=1+1'
+        if z != 2: self.fail('exec \'z=1+1\'')
+        z = None
+        del z
+        import types
+        if hasattr(types, "UnicodeType"):
+            exec r"""if 1:
+            exec u'z=1+1\n'
+            if z != 2: self.fail('exec u\'z=1+1\'\\n')
+            del z
+            exec u'z=1+1'
+            if z != 2: self.fail('exec u\'z=1+1\'')"""
+        g = {}
+        exec 'z = 1' in g
+        if g.has_key('__builtins__'): del g['__builtins__']
+        if g != {'z': 1}: self.fail('exec \'z = 1\' in g')
+        g = {}
+        l = {}
+
+        import warnings
+        warnings.filterwarnings("ignore", "global statement", module="<string>")
+        exec 'global a; a = 1; b = 2' in g, l
+        if g.has_key('__builtins__'): del g['__builtins__']
+        if l.has_key('__builtins__'): del l['__builtins__']
+        if (g, l) != ({'a':1}, {'b':2}):
+            self.fail('exec ... in g (%s), l (%s)' %(g,l))
+
+    def testAssert(self):
+        # assert_stmt: 'assert' test [',' test]
+        assert 1
+        assert 1, 1
+        assert lambda x:x
+        assert 1, lambda x:x+1
+        try:
+            assert 0, "msg"
+        except AssertionError, e:
+            self.assertEquals(e.args[0], "msg")
+        else:
+            if __debug__:
+                self.fail("AssertionError not raised by assert 0")
+
+    ### compound_stmt: if_stmt | while_stmt | for_stmt | try_stmt | funcdef | classdef
+    # Tested below
+
+    def testIf(self):
+        # 'if' test ':' suite ('elif' test ':' suite)* ['else' ':' suite]
+        if 1: pass
+        if 1: pass
+        else: pass
+        if 0: pass
+        elif 0: pass
+        if 0: pass
+        elif 0: pass
+        elif 0: pass
+        elif 0: pass
+        else: pass
+
+    def testWhile(self):
+        # 'while' test ':' suite ['else' ':' suite]
+        while 0: pass
+        while 0: pass
+        else: pass
+
+        # Issue1920: "while 0" is optimized away,
+        # ensure that the "else" clause is still present.
+        x = 0
+        while 0:
+            x = 1
+        else:
+            x = 2
+        self.assertEquals(x, 2)
+
+    def testFor(self):
+        # 'for' exprlist 'in' exprlist ':' suite ['else' ':' suite]
+        for i in 1, 2, 3: pass
+        for i, j, k in (): pass
+        else: pass
+        class Squares:
+            def __init__(self, max):
+                self.max = max
+                self.sofar = []
+            def __len__(self): return len(self.sofar)
+            def __getitem__(self, i):
+                if not 0 <= i < self.max: raise IndexError
+                n = len(self.sofar)
+                while n <= i:
+                    self.sofar.append(n*n)
+                    n = n+1
+                return self.sofar[i]
+        n = 0
+        for x in Squares(10): n = n+x
+        if n != 285:
+            self.fail('for over growing sequence')
+
+        result = []
+        for x, in [(1,), (2,), (3,)]:
+            result.append(x)
+        self.assertEqual(result, [1, 2, 3])
+
+    def testTry(self):
+        ### try_stmt: 'try' ':' suite (except_clause ':' suite)+ ['else' ':' suite]
+        ###         | 'try' ':' suite 'finally' ':' suite
+        ### except_clause: 'except' [expr [('as' | ',') expr]]
+        try:
+            1/0
+        except ZeroDivisionError:
+            pass
+        else:
+            pass
+        try: 1/0
+        except EOFError: pass
+        except TypeError as msg: pass
+        except RuntimeError, msg: pass
+        except: pass
+        else: pass
+        try: 1/0
+        except (EOFError, TypeError, ZeroDivisionError): pass
+        try: 1/0
+        except (EOFError, TypeError, ZeroDivisionError), msg: pass
+        try: pass
+        finally: pass
+
+    def testSuite(self):
+        # simple_stmt | NEWLINE INDENT NEWLINE* (stmt NEWLINE*)+ DEDENT
+        if 1: pass
+        if 1:
+            pass
+        if 1:
+            #
+            #
+            #
+            pass
+            pass
+            #
+            pass
+            #
+
+    def testTest(self):
+        ### and_test ('or' and_test)*
+        ### and_test: not_test ('and' not_test)*
+        ### not_test: 'not' not_test | comparison
+        if not 1: pass
+        if 1 and 1: pass
+        if 1 or 1: pass
+        if not not not 1: pass
+        if not 1 and 1 and 1: pass
+        if 1 and 1 or 1 and 1 and 1 or not 1 and 1: pass
+
+    def testComparison(self):
+        ### comparison: expr (comp_op expr)*
+        ### comp_op: '<'|'>'|'=='|'>='|'<='|'<>'|'!='|'in'|'not' 'in'|'is'|'is' 'not'
+        if 1: pass
+        x = (1 == 1)
+        if 1 == 1: pass
+        if 1 != 1: pass
+        if 1 <> 1: pass
+        if 1 < 1: pass
+        if 1 > 1: pass
+        if 1 <= 1: pass
+        if 1 >= 1: pass
+        if 1 is 1: pass
+        if 1 is not 1: pass
+        if 1 in (): pass
+        if 1 not in (): pass
+        if 1 < 1 > 1 == 1 >= 1 <= 1 <> 1 != 1 in 1 not in 1 is 1 is not 1: pass
+
+    def testBinaryMaskOps(self):
+        x = 1 & 1
+        x = 1 ^ 1
+        x = 1 | 1
+
+    def testShiftOps(self):
+        x = 1 << 1
+        x = 1 >> 1
+        x = 1 << 1 >> 1
+
+    def testAdditiveOps(self):
+        x = 1
+        x = 1 + 1
+        x = 1 - 1 - 1
+        x = 1 - 1 + 1 - 1 + 1
+
+    def testMultiplicativeOps(self):
+        x = 1 * 1
+        x = 1 / 1
+        x = 1 % 1
+        x = 1 / 1 * 1 % 1
+
+    def testUnaryOps(self):
+        x = +1
+        x = -1
+        x = ~1
+        x = ~1 ^ 1 & 1 | 1 & 1 ^ -1
+        x = -1*1/1 + 1*1 - ---1*1
+
+    def testSelectors(self):
+        ### trailer: '(' [testlist] ')' | '[' subscript ']' | '.' NAME
+        ### subscript: expr | [expr] ':' [expr]
+
+        import sys, time
+        c = sys.path[0]
+        x = time.time()
+        x = sys.modules['time'].time()
+        a = '01234'
+        c = a[0]
+        c = a[-1]
+        s = a[0:5]
+        s = a[:5]
+        s = a[0:]
+        s = a[:]
+        s = a[-5:]
+        s = a[:-1]
+        s = a[-4:-3]
+        # A rough test of SF bug 1333982.  http://python.org/sf/1333982
+        # The testing here is fairly incomplete.
+        # Test cases should include: commas with 1 and 2 colons
+        d = {}
+        d[1] = 1
+        d[1,] = 2
+        d[1,2] = 3
+        d[1,2,3] = 4
+        L = list(d)
+        L.sort()
+        self.assertEquals(str(L), '[1, (1,), (1, 2), (1, 2, 3)]')
+
+    def testAtoms(self):
+        ### atom: '(' [testlist] ')' | '[' [testlist] ']' | '{' [dictmaker] '}' | '`' testlist '`' | NAME | NUMBER | STRING
+        ### dictmaker: test ':' test (',' test ':' test)* [',']
+
+        x = (1)
+        x = (1 or 2 or 3)
+        x = (1 or 2 or 3, 2, 3)
+
+        x = []
+        x = [1]
+        x = [1 or 2 or 3]
+        x = [1 or 2 or 3, 2, 3]
+        x = []
+
+        x = {}
+        x = {'one': 1}
+        x = {'one': 1,}
+        x = {'one' or 'two': 1 or 2}
+        x = {'one': 1, 'two': 2}
+        x = {'one': 1, 'two': 2,}
+        x = {'one': 1, 'two': 2, 'three': 3, 'four': 4, 'five': 5, 'six': 6}
+
+        x = `x`
+        x = `1 or 2 or 3`
+        self.assertEqual(`1,2`, '(1, 2)')
+
+        x = x
+        x = 'x'
+        x = 123
+
+    ### exprlist: expr (',' expr)* [',']
+    ### testlist: test (',' test)* [',']
+    # These have been exercised enough above
+
+    def testClassdef(self):
+        # 'class' NAME ['(' [testlist] ')'] ':' suite
+        class B: pass
+        class B2(): pass
+        class C1(B): pass
+        class C2(B): pass
+        class D(C1, C2, B): pass
+        class C:
+            def meth1(self): pass
+            def meth2(self, arg): pass
+            def meth3(self, a1, a2): pass
+        # decorator: '@' dotted_name [ '(' [arglist] ')' ] NEWLINE
+        # decorators: decorator+
+        # decorated: decorators (classdef | funcdef)
+        def class_decorator(x):
+            x.decorated = True
+            return x
+        @class_decorator
+        class G:
+            pass
+        self.assertEqual(G.decorated, True)
+
+    def testListcomps(self):
+        # list comprehension tests
+        nums = [1, 2, 3, 4, 5]
+        strs = ["Apple", "Banana", "Coconut"]
+        spcs = ["  Apple", " Banana ", "Coco  nut  "]
+
+        self.assertEqual([s.strip() for s in spcs], ['Apple', 'Banana', 'Coco  nut'])
+        self.assertEqual([3 * x for x in nums], [3, 6, 9, 12, 15])
+        self.assertEqual([x for x in nums if x > 2], [3, 4, 5])
+        self.assertEqual([(i, s) for i in nums for s in strs],
+                         [(1, 'Apple'), (1, 'Banana'), (1, 'Coconut'),
+                          (2, 'Apple'), (2, 'Banana'), (2, 'Coconut'),
+                          (3, 'Apple'), (3, 'Banana'), (3, 'Coconut'),
+                          (4, 'Apple'), (4, 'Banana'), (4, 'Coconut'),
+                          (5, 'Apple'), (5, 'Banana'), (5, 'Coconut')])
+        self.assertEqual([(i, s) for i in nums for s in [f for f in strs if "n" in f]],
+                         [(1, 'Banana'), (1, 'Coconut'), (2, 'Banana'), (2, 'Coconut'),
+                          (3, 'Banana'), (3, 'Coconut'), (4, 'Banana'), (4, 'Coconut'),
+                          (5, 'Banana'), (5, 'Coconut')])
+        self.assertEqual([(lambda a:[a**i for i in range(a+1)])(j) for j in range(5)],
+                         [[1], [1, 1], [1, 2, 4], [1, 3, 9, 27], [1, 4, 16, 64, 256]])
+
+        def test_in_func(l):
+            return [None < x < 3 for x in l if x > 2]
+
+        self.assertEqual(test_in_func(nums), [False, False, False])
+
+        def test_nested_front():
+            self.assertEqual([[y for y in [x, x + 1]] for x in [1,3,5]],
+                             [[1, 2], [3, 4], [5, 6]])
+
+        test_nested_front()
+
+        check_syntax_error(self, "[i, s for i in nums for s in strs]")
+        check_syntax_error(self, "[x if y]")
+
+        suppliers = [
+          (1, "Boeing"),
+          (2, "Ford"),
+          (3, "Macdonalds")
+        ]
+
+        parts = [
+          (10, "Airliner"),
+          (20, "Engine"),
+          (30, "Cheeseburger")
+        ]
+
+        suppart = [
+          (1, 10), (1, 20), (2, 20), (3, 30)
+        ]
+
+        x = [
+          (sname, pname)
+            for (sno, sname) in suppliers
+              for (pno, pname) in parts
+                for (sp_sno, sp_pno) in suppart
+                  if sno == sp_sno and pno == sp_pno
+        ]
+
+        self.assertEqual(x, [('Boeing', 'Airliner'), ('Boeing', 'Engine'), ('Ford', 'Engine'),
+                             ('Macdonalds', 'Cheeseburger')])
+
+    def testGenexps(self):
+        # generator expression tests
+        g = ([x for x in range(10)] for x in range(1))
+        self.assertEqual(g.next(), [x for x in range(10)])
+        try:
+            g.next()
+            self.fail('should produce StopIteration exception')
+        except StopIteration:
+            pass
+
+        a = 1
+        try:
+            g = (a for d in a)
+            g.next()
+            self.fail('should produce TypeError')
+        except TypeError:
+            pass
+
+        self.assertEqual(list((x, y) for x in 'abcd' for y in 'abcd'), [(x, y) for x in 'abcd' for y in 'abcd'])
+        self.assertEqual(list((x, y) for x in 'ab' for y in 'xy'), [(x, y) for x in 'ab' for y in 'xy'])
+
+        a = [x for x in range(10)]
+        b = (x for x in (y for y in a))
+        self.assertEqual(sum(b), sum([x for x in range(10)]))
+
+        self.assertEqual(sum(x**2 for x in range(10)), sum([x**2 for x in range(10)]))
+        self.assertEqual(sum(x*x for x in range(10) if x%2), sum([x*x for x in range(10) if x%2]))
+        self.assertEqual(sum(x for x in (y for y in range(10))), sum([x for x in range(10)]))
+        self.assertEqual(sum(x for x in (y for y in (z for z in range(10)))), sum([x for x in range(10)]))
+        self.assertEqual(sum(x for x in [y for y in (z for z in range(10))]), sum([x for x in range(10)]))
+        self.assertEqual(sum(x for x in (y for y in (z for z in range(10) if True)) if True), sum([x for x in range(10)]))
+        self.assertEqual(sum(x for x in (y for y in (z for z in range(10) if True) if False) if True), 0)
+        check_syntax_error(self, "foo(x for x in range(10), 100)")
+        check_syntax_error(self, "foo(100, x for x in range(10))")
+
+    def testComprehensionSpecials(self):
+        # test for outmost iterable precomputation
+        x = 10; g = (i for i in range(x)); x = 5
+        self.assertEqual(len(list(g)), 10)
+
+        # This should hold, since we're only precomputing outmost iterable.
+        x = 10; t = False; g = ((i,j) for i in range(x) if t for j in range(x))
+        x = 5; t = True;
+        self.assertEqual([(i,j) for i in range(10) for j in range(5)], list(g))
+
+        # Grammar allows multiple adjacent 'if's in listcomps and genexps,
+        # even though it's silly. Make sure it works (ifelse broke this.)
+        self.assertEqual([ x for x in range(10) if x % 2 if x % 3 ], [1, 5, 7])
+        self.assertEqual(list(x for x in range(10) if x % 2 if x % 3), [1, 5, 7])
+
+        # verify unpacking single element tuples in listcomp/genexp.
+        self.assertEqual([x for x, in [(4,), (5,), (6,)]], [4, 5, 6])
+        self.assertEqual(list(x for x, in [(7,), (8,), (9,)]), [7, 8, 9])
+
+    def testIfElseExpr(self):
+        # Test ifelse expressions in various cases
+        def _checkeval(msg, ret):
+            "helper to check that evaluation of expressions is done correctly"
+            print x
+            return ret
+
+        self.assertEqual([ x() for x in lambda: True, lambda: False if x() ], [True])
+        self.assertEqual([ x() for x in (lambda: True, lambda: False) if x() ], [True])
+        self.assertEqual([ x(False) for x in (lambda x: False if x else True, lambda x: True if x else False) if x(False) ], [True])
+        self.assertEqual((5 if 1 else _checkeval("check 1", 0)), 5)
+        self.assertEqual((_checkeval("check 2", 0) if 0 else 5), 5)
+        self.assertEqual((5 and 6 if 0 else 1), 1)
+        self.assertEqual(((5 and 6) if 0 else 1), 1)
+        self.assertEqual((5 and (6 if 1 else 1)), 6)
+        self.assertEqual((0 or _checkeval("check 3", 2) if 0 else 3), 3)
+        self.assertEqual((1 or _checkeval("check 4", 2) if 1 else _checkeval("check 5", 3)), 1)
+        self.assertEqual((0 or 5 if 1 else _checkeval("check 6", 3)), 5)
+        self.assertEqual((not 5 if 1 else 1), False)
+        self.assertEqual((not 5 if 0 else 1), 1)
+        self.assertEqual((6 + 1 if 1 else 2), 7)
+        self.assertEqual((6 - 1 if 1 else 2), 5)
+        self.assertEqual((6 * 2 if 1 else 4), 12)
+        self.assertEqual((6 / 2 if 1 else 3), 3)
+        self.assertEqual((6 < 4 if 0 else 2), 2)
+
+
+def test_main():
+    run_unittest(TokenTests, GrammarTests)
+
+if __name__ == '__main__':
+    test_main()