Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_parser.py @ 45852:30c4e1ca8421

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Merged revisions 61431,61433-61436,61439,61444,61449-61450,61453,61458,61465,61468,61471-61474,61480,61483-61484,61488,61495-61496,61498,61503-61504,61507,61509-61510,61515-61518 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r61431 | vinay.sajip | 2008-03-16 22:35:58 +0100 (So, 16 Mär 2008) | 1 line Clarified documentation on use of shutdown(). ........ r61433 | mark.summerfield | 2008-03-17 09:28:15 +0100 (Mo, 17 Mär 2008) | 5 lines Added a footnote to each pointing out that for XML output if an encoding string is given it should conform to the appropriate XML standards---for example, "UTF-8" is okay, but "UTF8" is not. ........ r61434 | eric.smith | 2008-03-17 12:01:01 +0100 (Mo, 17 Mär 2008) | 7 lines Issue 2264: empty float presentation type needs to have at least one digit past the decimal point. Added "Z" format_char to PyOS_ascii_formatd to support empty float presentation type. Renamed buf_size in PyOS_ascii_formatd to more accurately reflect it's meaning. Modified format.__float__ to use the new "Z" format as the default. Added test cases. ........ r61435 | eric.smith | 2008-03-17 13:14:29 +0100 (Mo, 17 Mär 2008) | 2 lines Reformated lines > 79 chars. Deleted unused macro ISXDIGIT. ........ r61436 | jeffrey.yasskin | 2008-03-17 15:40:53 +0100 (Mo, 17 Mär 2008) | 13 lines Allow Gnu gcc's to build python on OSX by removing -Wno-long-double, -no-cpp-precomp, and -mno-fused-madd from configure. * r22183 added -no-cpp-precomp, which http://gcc.gnu.org/ml/gcc/2005-12/msg00368.html claims hasn't been needed since gcc-3.1. * r25607 added -Wno-long-double to avoid a warning in Include/objimpl.h (issue 525481). The long double is still there, but OSX 10.4's gcc no longer warns about it. * r33666 fixed issue 775892 on OSX 10.3 by adding -mno-fused-madd, which changed the sign of some float 0s. Tim Peters said it wasn't a real issue anyway, and it no longer causes test failures. Fixes issue #1779871. ........ r61439 | martin.v.loewis | 2008-03-17 17:31:57 +0100 (Mo, 17 Mär 2008) | 2 lines Add Trent Nelson. ........ r61444 | travis.oliphant | 2008-03-17 18:36:12 +0100 (Mo, 17 Mär 2008) | 1 line Add necessary headers to back-port new buffer protocol to Python 2.6 ........ r61449 | gregory.p.smith | 2008-03-17 19:48:05 +0100 (Mo, 17 Mär 2008) | 8 lines Force zlib.crc32 and zlib.adler32 to return a signed integer on all platforms regardless of the native sizeof(long) used in the integer object. This somewhat odd behavior of returning a signed is maintained in 2.x for compatibility reasons of always returning an integer rather than a long object. Fixes Issue1202 for Python 2.6 ........ r61450 | neal.norwitz | 2008-03-17 20:02:45 +0100 (Mo, 17 Mär 2008) | 3 lines Use a buffer large enough to ensure we don't overrun, even if the value is outside the range we expect. ........ r61453 | steven.bethard | 2008-03-17 20:33:11 +0100 (Mo, 17 Mär 2008) | 1 line Document unicode.isnumeric() and unicode.isdecimal() (issue2326) ........ r61458 | neal.norwitz | 2008-03-17 21:22:43 +0100 (Mo, 17 Mär 2008) | 5 lines Issue 2321: reduce memory usage (increase the memory that is returned to the system) by using pymalloc for the data of unicode objects. Will backport. ........ r61465 | martin.v.loewis | 2008-03-17 22:55:30 +0100 (Mo, 17 Mär 2008) | 2 lines Add David Wolever. ........ r61468 | gregory.p.smith | 2008-03-18 01:20:01 +0100 (Di, 18 Mär 2008) | 3 lines Fix the IOError message text when opening a file with an invalid filename. Error reported by Ilan Schnell. ........ r61471 | brett.cannon | 2008-03-18 02:00:07 +0100 (Di, 18 Mär 2008) | 2 lines Convert test_strftime, test_getargs, and test_pep247 to use unittest. ........ r61472 | jeffrey.yasskin | 2008-03-18 02:09:59 +0100 (Di, 18 Mär 2008) | 2 lines Fix build on platforms that don't have intptr_t. Patch by Joseph Armbruster. ........ r61473 | brett.cannon | 2008-03-18 02:50:25 +0100 (Di, 18 Mär 2008) | 2 lines Convert test_dummy_threading and test_dbm to unittest. ........ r61474 | brett.cannon | 2008-03-18 02:58:56 +0100 (Di, 18 Mär 2008) | 2 lines Move test_extcall to doctest. ........ r61480 | brett.cannon | 2008-03-18 04:46:22 +0100 (Di, 18 Mär 2008) | 2 lines test_errno was a no-op test; now it actually tests things and uses unittest. ........ r61483 | brett.cannon | 2008-03-18 05:09:00 +0100 (Di, 18 Mär 2008) | 3 lines Remove our implementation of memmove() and strerror(); both are in the C89 standard library. ........ r61484 | brett.cannon | 2008-03-18 05:16:06 +0100 (Di, 18 Mär 2008) | 2 lines The output directory for tests that compare against stdout is now gone! ........ r61488 | jeffrey.yasskin | 2008-03-18 05:29:35 +0100 (Di, 18 Mär 2008) | 2 lines Block the "socket.ssl() is deprecated" warning from test_socket_ssl. ........ r61495 | jeffrey.yasskin | 2008-03-18 05:56:06 +0100 (Di, 18 Mär 2008) | 4 lines Speed test_thread up from 51.328s to 0.081s by reducing its sleep times. We still sleep at all to make it likely that all threads are active at the same time. ........ r61496 | jeffrey.yasskin | 2008-03-18 06:12:41 +0100 (Di, 18 Mär 2008) | 4 lines Speed up test_dict by about 10x by only checking selected dict literal sizes, instead of every integer from 0 to 400. Exhaustive testing wastes time without providing enough more assurance that the code is correct. ........ r61498 | neal.norwitz | 2008-03-18 06:20:29 +0100 (Di, 18 Mär 2008) | 1 line Try increasing the timeout to reduce the flakiness of this test. ........ r61503 | brett.cannon | 2008-03-18 06:43:04 +0100 (Di, 18 Mär 2008) | 2 lines Improve the error message for a test that failed on the S-390 Debian buildbot. ........ r61504 | jeffrey.yasskin | 2008-03-18 06:45:40 +0100 (Di, 18 Mär 2008) | 3 lines Add a -S/--slow flag to regrtest to have it print the 10 slowest tests with their times. ........ r61507 | neal.norwitz | 2008-03-18 07:03:46 +0100 (Di, 18 Mär 2008) | 1 line Add some info to the failure messages ........ r61509 | trent.nelson | 2008-03-18 08:02:12 +0100 (Di, 18 Mär 2008) | 1 line Issue 2286: bump up the stack size of the 64-bit debug python_d.exe to 2100000. The default value of 200000 causes a stack overflow at 1965 iterations of r_object() in marshal.c, 35 iterations before the 2000 limit enforced by MAX_MARSHAL_STACK_DEPTH. ........ r61510 | trent.nelson | 2008-03-18 08:32:47 +0100 (Di, 18 Mär 2008) | 5 lines The behaviour of winsound.Beep() seems to differ between different versions of Windows when there's either: a) no sound card entirely b) legacy beep driver has been disabled c) the legacy beep driver has been uninstalled Sometimes RuntimeErrors are raised, sometimes they're not. If _have_soundcard() returns False, don't expect winsound.Beep() to raise a RuntimeError, as this clearly isn't the case, as demonstrated by the various Win32 XP buildbots. ........ r61515 | martin.v.loewis | 2008-03-18 13:20:15 +0100 (Di, 18 Mär 2008) | 2 lines norwitz-amd64 (gentoo) has EREMOTEIO. ........ r61516 | martin.v.loewis | 2008-03-18 13:45:37 +0100 (Di, 18 Mär 2008) | 2 lines Add more Linux error codes. ........ r61517 | martin.v.loewis | 2008-03-18 14:05:03 +0100 (Di, 18 Mär 2008) | 2 lines Add WSA errors. ........ r61518 | martin.v.loewis | 2008-03-18 14:16:05 +0100 (Di, 18 Mär 2008) | 2 lines Note that the stderr output of the test is intentional. ........
author Christian Heimes <christian@cheimes.de>
date Tue, 18 Mar 2008 15:15:01 +0000
parents 5e0772ed20d1
children 9c930a32cebb
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1 import parser
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2 import unittest
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3 import sys
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4 from test import test_support
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5
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6 #
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7 # First, we test that we can generate trees from valid source fragments,
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8 # and that these valid trees are indeed allowed by the tree-loading side
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9 # of the parser module.
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10 #
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12 class RoundtripLegalSyntaxTestCase(unittest.TestCase):
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14 def roundtrip(self, f, s):
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15 st1 = f(s)
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16 t = st1.totuple()
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17 try:
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18 st2 = parser.sequence2st(t)
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19 except parser.ParserError as why:
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20 self.fail("could not roundtrip %r: %s" % (s, why))
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21
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22 self.assertEquals(t, st2.totuple(),
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23 "could not re-generate syntax tree")
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24
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25 def check_expr(self, s):
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26 self.roundtrip(parser.expr, s)
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28 def check_suite(self, s):
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29 self.roundtrip(parser.suite, s)
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31 def test_yield_statement(self):
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32 self.check_suite("def f(): yield 1")
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33 self.check_suite("def f(): yield")
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34 self.check_suite("def f(): x += yield")
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35 self.check_suite("def f(): x = yield 1")
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36 self.check_suite("def f(): x = y = yield 1")
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37 self.check_suite("def f(): x = yield")
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38 self.check_suite("def f(): x = y = yield")
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39 self.check_suite("def f(): 1 + (yield)*2")
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40 self.check_suite("def f(): (yield 1)*2")
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41 self.check_suite("def f(): return; yield 1")
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42 self.check_suite("def f(): yield 1; return")
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43 self.check_suite("def f():\n"
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44 " for x in range(30):\n"
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45 " yield x\n")
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47 " if (yield):\n"
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48 " yield x\n")
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49
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50 def test_expressions(self):
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51 self.check_expr("foo(1)")
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52 self.check_expr("[1, 2, 3]")
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53 self.check_expr("[x**3 for x in range(20)]")
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54 self.check_expr("[x**3 for x in range(20) if x % 3]")
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55 self.check_expr("[x**3 for x in range(20) if x % 2 if x % 3]")
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56 self.check_expr("list(x**3 for x in range(20))")
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57 self.check_expr("list(x**3 for x in range(20) if x % 3)")
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58 self.check_expr("list(x**3 for x in range(20) if x % 2 if x % 3)")
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59 self.check_expr("foo(*args)")
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60 self.check_expr("foo(*args, **kw)")
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61 self.check_expr("foo(**kw)")
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62 self.check_expr("foo(key=value)")
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63 self.check_expr("foo(key=value, *args)")
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64 self.check_expr("foo(key=value, *args, **kw)")
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65 self.check_expr("foo(key=value, **kw)")
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66 self.check_expr("foo(a, b, c, *args)")
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67 self.check_expr("foo(a, b, c, *args, **kw)")
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68 self.check_expr("foo(a, b, c, **kw)")
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69 self.check_expr("foo + bar")
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70 self.check_expr("foo - bar")
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71 self.check_expr("foo * bar")
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72 self.check_expr("foo / bar")
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73 self.check_expr("foo // bar")
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74 self.check_expr("lambda: 0")
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75 self.check_expr("lambda x: 0")
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76 self.check_expr("lambda *y: 0")
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77 self.check_expr("lambda *y, **z: 0")
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78 self.check_expr("lambda **z: 0")
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79 self.check_expr("lambda x, y: 0")
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80 self.check_expr("lambda foo=bar: 0")
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81 self.check_expr("lambda foo=bar, spaz=nifty+spit: 0")
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82 self.check_expr("lambda foo=bar, **z: 0")
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83 self.check_expr("lambda foo=bar, blaz=blat+2, **z: 0")
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84 self.check_expr("lambda foo=bar, blaz=blat+2, *y, **z: 0")
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85 self.check_expr("lambda x, *y, **z: 0")
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86 self.check_expr("(x for x in range(10))")
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87 self.check_expr("foo(x for x in range(10))")
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89 def test_simple_expression(self):
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90 # expr_stmt
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91 self.check_suite("a")
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92
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93 def test_simple_assignments(self):
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94 self.check_suite("a = b")
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95 self.check_suite("a = b = c = d = e")
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96
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97 def test_simple_augmented_assignments(self):
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98 self.check_suite("a += b")
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99 self.check_suite("a -= b")
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100 self.check_suite("a *= b")
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101 self.check_suite("a /= b")
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102 self.check_suite("a //= b")
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103 self.check_suite("a %= b")
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104 self.check_suite("a &= b")
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105 self.check_suite("a |= b")
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106 self.check_suite("a ^= b")
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107 self.check_suite("a <<= b")
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108 self.check_suite("a >>= b")
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109 self.check_suite("a **= b")
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110
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111 def test_function_defs(self):
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112 self.check_suite("def f(): pass")
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113 self.check_suite("def f(*args): pass")
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114 self.check_suite("def f(*args, **kw): pass")
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115 self.check_suite("def f(**kw): pass")
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116 self.check_suite("def f(foo=bar): pass")
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117 self.check_suite("def f(foo=bar, *args): pass")
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118 self.check_suite("def f(foo=bar, *args, **kw): pass")
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119 self.check_suite("def f(foo=bar, **kw): pass")
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120
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121 self.check_suite("def f(a, b): pass")
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122 self.check_suite("def f(a, b, *args): pass")
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123 self.check_suite("def f(a, b, *args, **kw): pass")
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124 self.check_suite("def f(a, b, **kw): pass")
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125 self.check_suite("def f(a, b, foo=bar): pass")
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126 self.check_suite("def f(a, b, foo=bar, *args): pass")
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127 self.check_suite("def f(a, b, foo=bar, *args, **kw): pass")
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128 self.check_suite("def f(a, b, foo=bar, **kw): pass")
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129
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130 self.check_suite("@staticmethod\n"
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131 "def f(): pass")
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132 self.check_suite("@staticmethod\n"
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133 "@funcattrs(x, y)\n"
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134 "def f(): pass")
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135 self.check_suite("@funcattrs()\n"
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136 "def f(): pass")
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137
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7c2780c9e51b Flush out support for ``class B(): pass`` syntax by adding support to the
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138 def test_class_defs(self):
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139 self.check_suite("class foo():pass")
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d4f9706cb46b Patch 1144 by David Binger, fix for parser module. With unittest.
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140 self.check_suite("class foo(object):pass")
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67a89b43dcc7 Whitespace normalization.
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141
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142 def test_import_from_statement(self):
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143 self.check_suite("from sys.path import *")
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144 self.check_suite("from sys.path import dirname")
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145 self.check_suite("from sys.path import (dirname)")
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146 self.check_suite("from sys.path import (dirname,)")
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147 self.check_suite("from sys.path import dirname as my_dirname")
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148 self.check_suite("from sys.path import (dirname as my_dirname)")
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149 self.check_suite("from sys.path import (dirname as my_dirname,)")
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150 self.check_suite("from sys.path import dirname, basename")
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151 self.check_suite("from sys.path import (dirname, basename)")
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152 self.check_suite("from sys.path import (dirname, basename,)")
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153 self.check_suite(
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154 "from sys.path import dirname as my_dirname, basename")
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155 self.check_suite(
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156 "from sys.path import (dirname as my_dirname, basename)")
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157 self.check_suite(
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158 "from sys.path import (dirname as my_dirname, basename,)")
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159 self.check_suite(
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160 "from sys.path import dirname, basename as my_basename")
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161 self.check_suite(
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162 "from sys.path import (dirname, basename as my_basename)")
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163 self.check_suite(
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164 "from sys.path import (dirname, basename as my_basename,)")
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165
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166 def test_basic_import_statement(self):
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167 self.check_suite("import sys")
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168 self.check_suite("import sys as system")
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169 self.check_suite("import sys, math")
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170 self.check_suite("import sys as system, math")
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171 self.check_suite("import sys, math as my_math")
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172
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173 def test_pep263(self):
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174 self.check_suite("# -*- coding: iso-8859-1 -*-\n"
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175 "pass\n")
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176
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177 def test_assert(self):
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178 self.check_suite("assert alo < ahi and blo < bhi\n")
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179
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180 def test_position(self):
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181 # An absolutely minimal test of position information. Better
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182 # tests would be a big project.
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183 code = "def f(x):\n return x + 1\n"
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184 st1 = parser.suite(code)
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185 st2 = st1.totuple(line_info=1, col_info=1)
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186
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187 def walk(tree):
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188 node_type = tree[0]
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189 next = tree[1]
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190 if isinstance(next, tuple):
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191 for elt in tree[1:]:
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192 for x in walk(elt):
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193 yield x
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194 else:
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195 yield tree
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196
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197 terminals = list(walk(st2))
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198 self.assertEqual([
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199 (1, 'def', 1, 0),
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200 (1, 'f', 1, 4),
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201 (7, '(', 1, 5),
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202 (1, 'x', 1, 6),
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203 (8, ')', 1, 7),
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204 (11, ':', 1, 8),
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205 (4, '', 1, 9),
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206 (5, '', 2, -1),
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207 (1, 'return', 2, 4),
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208 (1, 'x', 2, 11),
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209 (14, '+', 2, 13),
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210 (2, '1', 2, 15),
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211 (4, '', 2, 16),
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212 (6, '', 2, -1),
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213 (4, '', 2, -1),
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214 (0, '', 2, -1)],
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215 terminals)
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216
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217
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218 #
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219 # Second, we take *invalid* trees and make sure we get ParserError
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220 # rejections for them.
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221 #
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222
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223 class IllegalSyntaxTestCase(unittest.TestCase):
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224
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225 def check_bad_tree(self, tree, label):
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226 try:
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227 parser.sequence2st(tree)
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228 except parser.ParserError:
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229 pass
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parents: 15966
diff changeset
230 else:
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
231 self.fail("did not detect invalid tree for %r" % label)
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
232
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
233 def test_junk(self):
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
234 # not even remotely valid:
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
235 self.check_bad_tree((1, 2, 3), "<junk>")
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
236
18647
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
237 def test_illegal_yield_1(self):
24957
dc66eb4cd17a Standardize behavior: no docstrings in test functions.
Guido van Rossum <guido@python.org>
parents: 24364
diff changeset
238 # Illegal yield statement: def f(): return 1; yield 1
18647
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
239 tree = \
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
240 (257,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
241 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
242 (285,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
243 (259,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
244 (1, 'def'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
245 (1, 'f'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
246 (260, (7, '('), (8, ')')),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
247 (11, ':'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
248 (291,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
249 (4, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
250 (5, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
251 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
252 (265,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
253 (266,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
254 (272,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
255 (275,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
256 (1, 'return'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
257 (313,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
258 (292,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
259 (293,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
260 (294,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
261 (295,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
262 (297,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
263 (298,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
264 (299,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
265 (300,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
266 (301,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
267 (302, (303, (304, (305, (2, '1')))))))))))))))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
268 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
269 (265,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
270 (266,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
271 (272,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
272 (276,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
273 (1, 'yield'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
274 (313,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
275 (292,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
276 (293,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
277 (294,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
278 (295,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
279 (297,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
280 (298,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
281 (299,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
282 (300,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
283 (301,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
284 (302,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
285 (303, (304, (305, (2, '1')))))))))))))))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
286 (4, ''))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
287 (6, ''))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
288 (4, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
289 (0, ''))))
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
290 self.check_bad_tree(tree, "def f():\n return 1\n yield 1")
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
291
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
292 def test_illegal_yield_2(self):
24957
dc66eb4cd17a Standardize behavior: no docstrings in test functions.
Guido van Rossum <guido@python.org>
parents: 24364
diff changeset
293 # Illegal return in generator: def f(): return 1; yield 1
18647
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
294 tree = \
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
295 (257,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
296 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
297 (265,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
298 (266,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
299 (278,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
300 (1, 'from'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
301 (281, (1, '__future__')),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
302 (1, 'import'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
303 (279, (1, 'generators')))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
304 (4, ''))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
305 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
306 (285,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
307 (259,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
308 (1, 'def'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
309 (1, 'f'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
310 (260, (7, '('), (8, ')')),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
311 (11, ':'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
312 (291,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
313 (4, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
314 (5, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
315 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
316 (265,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
317 (266,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
318 (272,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
319 (275,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
320 (1, 'return'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
321 (313,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
322 (292,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
323 (293,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
324 (294,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
325 (295,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
326 (297,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
327 (298,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
328 (299,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
329 (300,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
330 (301,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
331 (302, (303, (304, (305, (2, '1')))))))))))))))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
332 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
333 (265,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
334 (266,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
335 (272,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
336 (276,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
337 (1, 'yield'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
338 (313,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
339 (292,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
340 (293,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
341 (294,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
342 (295,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
343 (297,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
344 (298,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
345 (299,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
346 (300,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
347 (301,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
348 (302,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
349 (303, (304, (305, (2, '1')))))))))))))))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
350 (4, ''))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
351 (6, ''))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
352 (4, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
353 (0, ''))))
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
354 self.check_bad_tree(tree, "def f():\n return 1\n yield 1")
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
355
18027
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
356 def test_a_comma_comma_c(self):
24957
dc66eb4cd17a Standardize behavior: no docstrings in test functions.
Guido van Rossum <guido@python.org>
parents: 24364
diff changeset
357 # Illegal input: a,,c
18027
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
358 tree = \
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
359 (258,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
360 (311,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
361 (290,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
362 (291,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
363 (292,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
364 (293,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
365 (295,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
366 (296,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
367 (297,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
368 (298, (299, (300, (301, (302, (303, (1, 'a')))))))))))))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
369 (12, ','),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
370 (12, ','),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
371 (290,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
372 (291,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
373 (292,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
374 (293,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
375 (295,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
376 (296,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
377 (297,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
378 (298, (299, (300, (301, (302, (303, (1, 'c'))))))))))))))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
379 (4, ''),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
380 (0, ''))
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
381 self.check_bad_tree(tree, "a,,c")
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
382
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
383 def test_illegal_operator(self):
24957
dc66eb4cd17a Standardize behavior: no docstrings in test functions.
Guido van Rossum <guido@python.org>
parents: 24364
diff changeset
384 # Illegal input: a $= b
18027
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
385 tree = \
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
386 (257,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
387 (264,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
388 (265,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
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400 (300, (301, (302, (303, (304, (1, 'a'))))))))))))))),
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411 (300, (301, (302, (303, (304, (1, 'b'))))))))))))))))),
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412 (4, ''))),
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413 (0, ''))
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414 self.check_bad_tree(tree, "a $= b")
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415
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416 def test_malformed_global(self):
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417 #doesn't have global keyword in ast
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418 tree = (257,
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419 (264,
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422 (282, (1, 'foo'))), (4, ''))),
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423 (4, ''),
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Tim Peters <tim.peters@gmail.com>
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424 (0, ''))
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425 self.check_bad_tree(tree, "malformed global ast")
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426
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427
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428 class CompileTestCase(unittest.TestCase):
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429
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430 # These tests are very minimal. :-(
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431
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432 def test_compile_expr(self):
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433 st = parser.expr('2 + 3')
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434 code = parser.compilest(st)
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435 self.assertEquals(eval(code), 5)
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436
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437 def test_compile_suite(self):
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438 st = parser.suite('x = 2; y = x + 3')
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439 code = parser.compilest(st)
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440 globs = {}
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441 exec(code, globs)
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442 self.assertEquals(globs['y'], 5)
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443
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444 def test_compile_error(self):
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445 st = parser.suite('1 = 3 + 4')
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446 self.assertRaises(SyntaxError, parser.compilest, st)
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447
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448 def test_compile_badunicode(self):
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449 st = parser.suite('a = "\\U12345678"')
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450 self.assertRaises(SyntaxError, parser.compilest, st)
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451 st = parser.suite('a = "\\u1"')
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452 self.assertRaises(SyntaxError, parser.compilest, st)
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453
45446
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454 class ParserStackLimitTestCase(unittest.TestCase):
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parents: 43862
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455 """try to push the parser to/over it's limits.
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parents: 43862
diff changeset
456 see http://bugs.python.org/issue1881 for a discussion
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Christian Heimes <christian@cheimes.de>
parents: 43862
diff changeset
457 """
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diff changeset
458 def _nested_expression(self, level):
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Christian Heimes <christian@cheimes.de>
parents: 43862
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459 return "["*level+"]"*level
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460
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461 def test_deeply_nested_list(self):
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462 # XXX used to be 99 levels in 2.x
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Christian Heimes <christian@cheimes.de>
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diff changeset
463 e = self._nested_expression(93)
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Christian Heimes <christian@cheimes.de>
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464 st = parser.expr(e)
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465 st.compile()
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466
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parents: 43862
diff changeset
467 def test_trigger_memory_error(self):
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468 e = self._nested_expression(100)
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469 print("Expecting 's_push: parser stack overflow' in next line",
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470 file=sys.stderr)
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471 self.assertRaises(MemoryError, parser.expr, e)
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472
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473 def test_main():
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474 test_support.run_unittest(
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475 RoundtripLegalSyntaxTestCase,
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476 IllegalSyntaxTestCase,
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477 CompileTestCase,
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478 ParserStackLimitTestCase,
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479 )
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480
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481
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482 if __name__ == "__main__":
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483 test_main()