| 4710c53d |
1 | # Python test set -- part 2, opcodes\r |
| 2 | \r |
| 3 | from test.test_support import run_unittest, check_py3k_warnings\r |
| 4 | import unittest\r |
| 5 | \r |
| 6 | class OpcodeTest(unittest.TestCase):\r |
| 7 | \r |
| 8 | def test_try_inside_for_loop(self):\r |
| 9 | n = 0\r |
| 10 | for i in range(10):\r |
| 11 | n = n+i\r |
| 12 | try: 1 // 0\r |
| 13 | except NameError: pass\r |
| 14 | except ZeroDivisionError: pass\r |
| 15 | except TypeError: pass\r |
| 16 | try: pass\r |
| 17 | except: pass\r |
| 18 | try: pass\r |
| 19 | finally: pass\r |
| 20 | n = n+i\r |
| 21 | if n != 90:\r |
| 22 | self.fail('try inside for')\r |
| 23 | \r |
| 24 | def test_raise_class_exceptions(self):\r |
| 25 | \r |
| 26 | class AClass: pass\r |
| 27 | class BClass(AClass): pass\r |
| 28 | class CClass: pass\r |
| 29 | class DClass(AClass):\r |
| 30 | def __init__(self, ignore):\r |
| 31 | pass\r |
| 32 | \r |
| 33 | try: raise AClass()\r |
| 34 | except: pass\r |
| 35 | \r |
| 36 | try: raise AClass()\r |
| 37 | except AClass: pass\r |
| 38 | \r |
| 39 | try: raise BClass()\r |
| 40 | except AClass: pass\r |
| 41 | \r |
| 42 | try: raise BClass()\r |
| 43 | except CClass: self.fail()\r |
| 44 | except: pass\r |
| 45 | \r |
| 46 | a = AClass()\r |
| 47 | b = BClass()\r |
| 48 | \r |
| 49 | try: raise AClass, b\r |
| 50 | except BClass, v:\r |
| 51 | self.assertEqual(v, b)\r |
| 52 | else: self.fail("no exception")\r |
| 53 | \r |
| 54 | try: raise b\r |
| 55 | except AClass, v:\r |
| 56 | self.assertEqual(v, b)\r |
| 57 | else:\r |
| 58 | self.fail("no exception")\r |
| 59 | \r |
| 60 | # not enough arguments\r |
| 61 | try: raise BClass, a\r |
| 62 | except TypeError: pass\r |
| 63 | else: self.fail("no exception")\r |
| 64 | \r |
| 65 | try: raise DClass, a\r |
| 66 | except DClass, v:\r |
| 67 | self.assertIsInstance(v, DClass)\r |
| 68 | else:\r |
| 69 | self.fail("no exception")\r |
| 70 | \r |
| 71 | def test_compare_function_objects(self):\r |
| 72 | \r |
| 73 | f = eval('lambda: None')\r |
| 74 | g = eval('lambda: None')\r |
| 75 | self.assertNotEqual(f, g)\r |
| 76 | \r |
| 77 | f = eval('lambda a: a')\r |
| 78 | g = eval('lambda a: a')\r |
| 79 | self.assertNotEqual(f, g)\r |
| 80 | \r |
| 81 | f = eval('lambda a=1: a')\r |
| 82 | g = eval('lambda a=1: a')\r |
| 83 | self.assertNotEqual(f, g)\r |
| 84 | \r |
| 85 | f = eval('lambda: 0')\r |
| 86 | g = eval('lambda: 1')\r |
| 87 | self.assertNotEqual(f, g)\r |
| 88 | \r |
| 89 | f = eval('lambda: None')\r |
| 90 | g = eval('lambda a: None')\r |
| 91 | self.assertNotEqual(f, g)\r |
| 92 | \r |
| 93 | f = eval('lambda a: None')\r |
| 94 | g = eval('lambda b: None')\r |
| 95 | self.assertNotEqual(f, g)\r |
| 96 | \r |
| 97 | f = eval('lambda a: None')\r |
| 98 | g = eval('lambda a=None: None')\r |
| 99 | self.assertNotEqual(f, g)\r |
| 100 | \r |
| 101 | f = eval('lambda a=0: None')\r |
| 102 | g = eval('lambda a=1: None')\r |
| 103 | self.assertNotEqual(f, g)\r |
| 104 | \r |
| 105 | def test_modulo_of_string_subclasses(self):\r |
| 106 | class MyString(str):\r |
| 107 | def __mod__(self, value):\r |
| 108 | return 42\r |
| 109 | self.assertEqual(MyString() % 3, 42)\r |
| 110 | \r |
| 111 | \r |
| 112 | def test_main():\r |
| 113 | with check_py3k_warnings(("exceptions must derive from BaseException",\r |
| 114 | DeprecationWarning),\r |
| 115 | ("catching classes that don't inherit "\r |
| 116 | "from BaseException is not allowed",\r |
| 117 | DeprecationWarning)):\r |
| 118 | run_unittest(OpcodeTest)\r |
| 119 | \r |
| 120 | if __name__ == '__main__':\r |
| 121 | test_main()\r |
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