Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_opcodes.py @ 80661:94de77bd0b4b 2.7

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Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.
author Andrew Svetlov <andrew.svetlov@gmail.com>
date Thu, 29 Nov 2012 19:51:28 +0200
parents b36cb4602e21
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # Python test set -- part 2, opcodes
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2
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3 from test.test_support import run_unittest, check_py3k_warnings
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4 import unittest
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5
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6 class OpcodeTest(unittest.TestCase):
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7
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8 def test_try_inside_for_loop(self):
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9 n = 0
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10 for i in range(10):
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11 n = n+i
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12 try: 1 // 0
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13 except NameError: pass
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14 except ZeroDivisionError: pass
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15 except TypeError: pass
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16 try: pass
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17 except: pass
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18 try: pass
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19 finally: pass
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20 n = n+i
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21 if n != 90:
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22 self.fail('try inside for')
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23
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24 def test_raise_class_exceptions(self):
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25
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26 class AClass: pass
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27 class BClass(AClass): pass
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28 class CClass: pass
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29 class DClass(AClass):
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30 def __init__(self, ignore):
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31 pass
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32
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33 try: raise AClass()
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34 except: pass
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35
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36 try: raise AClass()
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37 except AClass: pass
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38
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39 try: raise BClass()
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40 except AClass: pass
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41
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42 try: raise BClass()
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43 except CClass: self.fail()
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44 except: pass
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45
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46 a = AClass()
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47 b = BClass()
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48
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49 try: raise AClass, b
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50 except BClass, v:
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51 self.assertEqual(v, b)
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52 else: self.fail("no exception")
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53
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54 try: raise b
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55 except AClass, v:
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56 self.assertEqual(v, b)
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57 else:
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58 self.fail("no exception")
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59
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60 # not enough arguments
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61 try: raise BClass, a
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62 except TypeError: pass
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63 else: self.fail("no exception")
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64
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65 try: raise DClass, a
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66 except DClass, v:
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67 self.assertIsInstance(v, DClass)
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68 else:
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69 self.fail("no exception")
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70
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71 def test_compare_function_objects(self):
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72
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73 f = eval('lambda: None')
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74 g = eval('lambda: None')
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75 self.assertNotEqual(f, g)
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76
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77 f = eval('lambda a: a')
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78 g = eval('lambda a: a')
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79 self.assertNotEqual(f, g)
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80
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81 f = eval('lambda a=1: a')
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82 g = eval('lambda a=1: a')
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83 self.assertNotEqual(f, g)
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84
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85 f = eval('lambda: 0')
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86 g = eval('lambda: 1')
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87 self.assertNotEqual(f, g)
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88
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89 f = eval('lambda: None')
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90 g = eval('lambda a: None')
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91 self.assertNotEqual(f, g)
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92
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93 f = eval('lambda a: None')
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94 g = eval('lambda b: None')
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95 self.assertNotEqual(f, g)
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96
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97 f = eval('lambda a: None')
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98 g = eval('lambda a=None: None')
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99 self.assertNotEqual(f, g)
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100
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101 f = eval('lambda a=0: None')
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102 g = eval('lambda a=1: None')
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103 self.assertNotEqual(f, g)
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104
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105 def test_modulo_of_string_subclasses(self):
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106 class MyString(str):
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107 def __mod__(self, value):
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108 return 42
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109 self.assertEqual(MyString() % 3, 42)
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110
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111
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112 def test_main():
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113 with check_py3k_warnings(("exceptions must derive from BaseException",
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114 DeprecationWarning),
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115 ("catching classes that don't inherit "
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116 "from BaseException is not allowed",
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117 DeprecationWarning)):
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118 run_unittest(OpcodeTest)
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119
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120 if __name__ == '__main__':
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121 test_main()