cpython/Lib/test/test_opcodes.py

113 lines
2.6 KiB
Python

# Python test set -- part 2, opcodes
from test.support import run_unittest
import unittest
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_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.assertTrue(isinstance(v, DClass))
else:
self.fail("no exception")
def test_compare_function_objects(self):
f = eval('lambda: None')
g = eval('lambda: None')
self.assertNotEquals(f, g)
f = eval('lambda a: a')
g = eval('lambda a: a')
self.assertNotEquals(f, g)
f = eval('lambda a=1: a')
g = eval('lambda a=1: a')
self.assertNotEquals(f, g)
f = eval('lambda: 0')
g = eval('lambda: 1')
self.assertNotEquals(f, g)
f = eval('lambda: None')
g = eval('lambda a: None')
self.assertNotEquals(f, g)
f = eval('lambda a: None')
g = eval('lambda b: None')
self.assertNotEquals(f, g)
f = eval('lambda a: None')
g = eval('lambda a=None: None')
self.assertNotEquals(f, g)
f = eval('lambda a=0: None')
g = eval('lambda a=1: None')
self.assertNotEquals(f, g)
def test_modulo_of_string_subclasses(self):
class MyString(str):
def __mod__(self, value):
return 42
self.assertEqual(MyString() % 3, 42)
def test_main():
run_unittest(OpcodeTest)
if __name__ == '__main__':
test_main()