Guido van Rossum | 3bead09 | 1992-01-27 17:00:37 +0000 | [diff] [blame] | 1 | # Python test set -- part 2, opcodes |
| 2 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 3 | import unittest |
Yury Selivanov | f8cb8a1 | 2016-09-08 20:50:03 -0700 | [diff] [blame] | 4 | from test import ann_module |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 5 | |
| 6 | class OpcodeTest(unittest.TestCase): |
| 7 | |
| 8 | def test_try_inside_for_loop(self): |
| 9 | n = 0 |
| 10 | for i in range(10): |
| 11 | n = n+i |
| 12 | try: 1/0 |
| 13 | except NameError: pass |
| 14 | except ZeroDivisionError: pass |
| 15 | except TypeError: pass |
| 16 | try: pass |
| 17 | except: pass |
| 18 | try: pass |
| 19 | finally: pass |
| 20 | n = n+i |
| 21 | if n != 90: |
| 22 | self.fail('try inside for') |
| 23 | |
Yury Selivanov | f8cb8a1 | 2016-09-08 20:50:03 -0700 | [diff] [blame] | 24 | def test_setup_annotations_line(self): |
| 25 | # check that SETUP_ANNOTATIONS does not create spurious line numbers |
| 26 | try: |
| 27 | with open(ann_module.__file__) as f: |
| 28 | txt = f.read() |
| 29 | co = compile(txt, ann_module.__file__, 'exec') |
| 30 | self.assertEqual(co.co_firstlineno, 6) |
| 31 | except OSError: |
| 32 | pass |
| 33 | |
| 34 | def test_no_annotations_if_not_needed(self): |
| 35 | class C: pass |
| 36 | with self.assertRaises(AttributeError): |
| 37 | C.__annotations__ |
| 38 | |
| 39 | def test_use_existing_annotations(self): |
| 40 | ns = {'__annotations__': {1: 2}} |
| 41 | exec('x: int', ns) |
| 42 | self.assertEqual(ns['__annotations__'], {'x': int, 1: 2}) |
| 43 | |
| 44 | def test_do_not_recreate_annotations(self): |
| 45 | class C: |
| 46 | del __annotations__ |
| 47 | with self.assertRaises(NameError): |
| 48 | x: int |
| 49 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 50 | def test_raise_class_exceptions(self): |
| 51 | |
| 52 | class AClass(Exception): pass |
| 53 | class BClass(AClass): pass |
| 54 | class CClass(Exception): pass |
| 55 | class DClass(AClass): |
| 56 | def __init__(self, ignore): |
| 57 | pass |
| 58 | |
| 59 | try: raise AClass() |
| 60 | except: pass |
| 61 | |
| 62 | try: raise AClass() |
| 63 | except AClass: pass |
| 64 | |
| 65 | try: raise BClass() |
| 66 | except AClass: pass |
| 67 | |
| 68 | try: raise BClass() |
| 69 | except CClass: self.fail() |
| 70 | except: pass |
| 71 | |
| 72 | a = AClass() |
| 73 | b = BClass() |
| 74 | |
Collin Winter | 828f04a | 2007-08-31 00:04:24 +0000 | [diff] [blame] | 75 | try: |
| 76 | raise b |
Guido van Rossum | b940e11 | 2007-01-10 16:19:56 +0000 | [diff] [blame] | 77 | except AClass as v: |
Collin Winter | 828f04a | 2007-08-31 00:04:24 +0000 | [diff] [blame] | 78 | self.assertEqual(v, b) |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 79 | else: |
| 80 | self.fail("no exception") |
| 81 | |
| 82 | # not enough arguments |
| 83 | ##try: raise BClass, a |
| 84 | ##except TypeError: pass |
| 85 | ##else: self.fail("no exception") |
| 86 | |
Collin Winter | 828f04a | 2007-08-31 00:04:24 +0000 | [diff] [blame] | 87 | try: raise DClass(a) |
Guido van Rossum | b940e11 | 2007-01-10 16:19:56 +0000 | [diff] [blame] | 88 | except DClass as v: |
Ezio Melotti | e961593 | 2010-01-24 19:26:24 +0000 | [diff] [blame] | 89 | self.assertIsInstance(v, DClass) |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 90 | else: |
| 91 | self.fail("no exception") |
| 92 | |
| 93 | def test_compare_function_objects(self): |
| 94 | |
| 95 | f = eval('lambda: None') |
| 96 | g = eval('lambda: None') |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 97 | self.assertNotEqual(f, g) |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 98 | |
| 99 | f = eval('lambda a: a') |
| 100 | g = eval('lambda a: a') |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 101 | self.assertNotEqual(f, g) |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 102 | |
| 103 | f = eval('lambda a=1: a') |
| 104 | g = eval('lambda a=1: a') |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 105 | self.assertNotEqual(f, g) |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 106 | |
| 107 | f = eval('lambda: 0') |
| 108 | g = eval('lambda: 1') |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 109 | self.assertNotEqual(f, g) |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 110 | |
| 111 | f = eval('lambda: None') |
| 112 | g = eval('lambda a: None') |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 113 | self.assertNotEqual(f, g) |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 114 | |
| 115 | f = eval('lambda a: None') |
| 116 | g = eval('lambda b: None') |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 117 | self.assertNotEqual(f, g) |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 118 | |
| 119 | f = eval('lambda a: None') |
| 120 | g = eval('lambda a=None: None') |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 121 | self.assertNotEqual(f, g) |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 122 | |
| 123 | f = eval('lambda a=0: None') |
| 124 | g = eval('lambda a=1: None') |
Ezio Melotti | b3aedd4 | 2010-11-20 19:04:17 +0000 | [diff] [blame] | 125 | self.assertNotEqual(f, g) |
Guido van Rossum | 3bead09 | 1992-01-27 17:00:37 +0000 | [diff] [blame] | 126 | |
Benjamin Peterson | efb06b0 | 2009-02-26 18:55:48 +0000 | [diff] [blame] | 127 | def test_modulo_of_string_subclasses(self): |
| 128 | class MyString(str): |
| 129 | def __mod__(self, value): |
| 130 | return 42 |
| 131 | self.assertEqual(MyString() % 3, 42) |
| 132 | |
Guido van Rossum | 3bead09 | 1992-01-27 17:00:37 +0000 | [diff] [blame] | 133 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 134 | if __name__ == '__main__': |
Zachary Ware | 38c707e | 2015-04-13 15:00:43 -0500 | [diff] [blame] | 135 | unittest.main() |