139 lines
3.6 KiB
Python
139 lines
3.6 KiB
Python
|
# Python test set -- part 2, opcodes
|
||
|
|
|
||
|
|
import unittest
|
||
|
|
from test import ann_module, support
|
||
|
|
|
||
|
|
class OpcodeTest(unittest.TestCase):
|
||
|
|
|
||
|
|
def test_try_inside_for_loop(self):
|
||
|
|
n = 0
|
||
|
|
for i in range(10):
|
||
|
|
n = n+i
|
||
|
|
try: 1/0
|
||
|
|
except NameError: pass
|
||
|
|
except ZeroDivisionError: pass
|
||
|
|
except TypeError: pass
|
||
|
|
try: pass
|
||
|
|
except: pass
|
||
|
|
try: pass
|
||
|
|
finally: pass
|
||
|
|
n = n+i
|
||
|
|
if n != 90:
|
||
|
|
self.fail('try inside for')
|
||
|
|
|
||
|
|
def test_setup_annotations_line(self):
|
||
|
|
# check that SETUP_ANNOTATIONS does not create spurious line numbers
|
||
|
|
try:
|
||
|
|
with open(ann_module.__file__) as f:
|
||
|
|
txt = f.read()
|
||
|
|
co = compile(txt, ann_module.__file__, 'exec')
|
||
|
|
self.assertEqual(co.co_firstlineno, 3)
|
||
|
|
except OSError:
|
||
|
|
pass
|
||
|
|
|
||
|
|
def test_no_annotations_if_not_needed(self):
|
||
|
|
class C: pass
|
||
|
|
with self.assertRaises(AttributeError):
|
||
|
|
C.__annotations__
|
||
|
|
|
||
|
|
def test_use_existing_annotations(self):
|
||
|
|
ns = {'__annotations__': {1: 2}}
|
||
|
|
exec('x: int', ns)
|
||
|
|
self.assertEqual(ns['__annotations__'], {'x': int, 1: 2})
|
||
|
|
|
||
|
|
def test_do_not_recreate_annotations(self):
|
||
|
|
# Don't rely on the existence of the '__annotations__' global.
|
||
|
|
with support.swap_item(globals(), '__annotations__', {}):
|
||
|
|
del globals()['__annotations__']
|
||
|
|
class C:
|
||
|
|
del __annotations__
|
||
|
|
with self.assertRaises(NameError):
|
||
|
|
x: int
|
||
|
|
|
||
|
|
def test_raise_class_exceptions(self):
|
||
|
|
|
||
|
|
class AClass(Exception): pass
|
||
|
|
class BClass(AClass): pass
|
||
|
|
class CClass(Exception): pass
|
||
|
|
class DClass(AClass):
|
||
|
|
def __init__(self, ignore):
|
||
|
|
pass
|
||
|
|
|
||
|
|
try: raise AClass()
|
||
|
|
except: pass
|
||
|
|
|
||
|
|
try: raise AClass()
|
||
|
|
except AClass: pass
|
||
|
|
|
||
|
|
try: raise BClass()
|
||
|
|
except AClass: pass
|
||
|
|
|
||
|
|
try: raise BClass()
|
||
|
|
except CClass: self.fail()
|
||
|
|
except: pass
|
||
|
|
|
||
|
|
a = AClass()
|
||
|
|
b = BClass()
|
||
|
|
|
||
|
|
try:
|
||
|
|
raise b
|
||
|
|
except AClass as v:
|
||
|
|
self.assertEqual(v, b)
|
||
|
|
else:
|
||
|
|
self.fail("no exception")
|
||
|
|
|
||
|
|
# not enough arguments
|
||
|
|
##try: raise BClass, a
|
||
|
|
##except TypeError: pass
|
||
|
|
##else: self.fail("no exception")
|
||
|
|
|
||
|
|
try: raise DClass(a)
|
||
|
|
except DClass as v:
|
||
|
|
self.assertIsInstance(v, DClass)
|
||
|
|
else:
|
||
|
|
self.fail("no exception")
|
||
|
|
|
||
|
|
def test_compare_function_objects(self):
|
||
|
|
|
||
|
|
f = eval('lambda: None')
|
||
|
|
g = eval('lambda: None')
|
||
|
|
self.assertNotEqual(f, g)
|
||
|
|
|
||
|
|
f = eval('lambda a: a')
|
||
|
|
g = eval('lambda a: a')
|
||
|
|
self.assertNotEqual(f, g)
|
||
|
|
|
||
|
|
f = eval('lambda a=1: a')
|
||
|
|
g = eval('lambda a=1: a')
|
||
|
|
self.assertNotEqual(f, g)
|
||
|
|
|
||
|
|
f = eval('lambda: 0')
|
||
|
|
g = eval('lambda: 1')
|
||
|
|
self.assertNotEqual(f, g)
|
||
|
|
|
||
|
|
f = eval('lambda: None')
|
||
|
|
g = eval('lambda a: None')
|
||
|
|
self.assertNotEqual(f, g)
|
||
|
|
|
||
|
|
f = eval('lambda a: None')
|
||
|
|
g = eval('lambda b: None')
|
||
|
|
self.assertNotEqual(f, g)
|
||
|
|
|
||
|
|
f = eval('lambda a: None')
|
||
|
|
g = eval('lambda a=None: None')
|
||
|
|
self.assertNotEqual(f, g)
|
||
|
|
|
||
|
|
f = eval('lambda a=0: None')
|
||
|
|
g = eval('lambda a=1: None')
|
||
|
|
self.assertNotEqual(f, g)
|
||
|
|
|
||
|
|
def test_modulo_of_string_subclasses(self):
|
||
|
|
class MyString(str):
|
||
|
|
def __mod__(self, value):
|
||
|
|
return 42
|
||
|
|
self.assertEqual(MyString() % 3, 42)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
unittest.main()
|