162 lines
2.9 KiB
Python
162 lines
2.9 KiB
Python
# Python test set -- part 5, built-in exceptions
|
|
|
|
from test_support import *
|
|
from types import ClassType
|
|
|
|
print '5. Built-in exceptions'
|
|
# XXX This is not really enough, each *operation* should be tested!
|
|
|
|
# Reloading the built-in exceptions module failed prior to Py2.2, while it
|
|
# should act the same as reloading built-in sys.
|
|
try:
|
|
import exceptions
|
|
reload(exceptions)
|
|
except ImportError, e:
|
|
raise TestFailed, e
|
|
|
|
def test_raise_catch(exc):
|
|
try:
|
|
raise exc, "spam"
|
|
except exc, err:
|
|
buf = str(err)
|
|
try:
|
|
raise exc("spam")
|
|
except exc, err:
|
|
buf = str(err)
|
|
print buf
|
|
|
|
def r(thing):
|
|
test_raise_catch(thing)
|
|
if isinstance(thing, ClassType):
|
|
print thing.__name__
|
|
else:
|
|
print thing
|
|
|
|
r(AttributeError)
|
|
import sys
|
|
try: x = sys.undefined_attribute
|
|
except AttributeError: pass
|
|
|
|
r(EOFError)
|
|
import sys
|
|
fp = open(TESTFN, 'w')
|
|
fp.close()
|
|
fp = open(TESTFN, 'r')
|
|
savestdin = sys.stdin
|
|
try:
|
|
try:
|
|
sys.stdin = fp
|
|
x = raw_input()
|
|
except EOFError:
|
|
pass
|
|
finally:
|
|
sys.stdin = savestdin
|
|
fp.close()
|
|
|
|
r(IOError)
|
|
try: open('this file does not exist', 'r')
|
|
except IOError: pass
|
|
|
|
r(ImportError)
|
|
try: import undefined_module
|
|
except ImportError: pass
|
|
|
|
r(IndexError)
|
|
x = []
|
|
try: a = x[10]
|
|
except IndexError: pass
|
|
|
|
r(KeyError)
|
|
x = {}
|
|
try: a = x['key']
|
|
except KeyError: pass
|
|
|
|
r(KeyboardInterrupt)
|
|
print '(not testable in a script)'
|
|
|
|
r(MemoryError)
|
|
print '(not safe to test)'
|
|
|
|
r(NameError)
|
|
try: x = undefined_variable
|
|
except NameError: pass
|
|
|
|
r(OverflowError)
|
|
x = 1
|
|
try:
|
|
while 1: x = x+x
|
|
except OverflowError: pass
|
|
|
|
r(RuntimeError)
|
|
print '(not used any more?)'
|
|
|
|
r(SyntaxError)
|
|
try: exec '/\n'
|
|
except SyntaxError: pass
|
|
|
|
# make sure the right exception message is raised for each of these
|
|
# code fragments:
|
|
|
|
def ckmsg(src, msg):
|
|
try:
|
|
compile(src, '<fragment>', 'exec')
|
|
except SyntaxError, e:
|
|
print e.msg
|
|
if e.msg == msg:
|
|
print "ok"
|
|
else:
|
|
print "expected:", msg
|
|
else:
|
|
print "failed to get expected SyntaxError"
|
|
|
|
s = '''\
|
|
while 1:
|
|
try:
|
|
pass
|
|
finally:
|
|
continue
|
|
'''
|
|
ckmsg(s, "'continue' not supported inside 'finally' clause")
|
|
s = '''\
|
|
try:
|
|
continue
|
|
except:
|
|
pass
|
|
'''
|
|
ckmsg(s, "'continue' not properly in loop")
|
|
ckmsg("continue\n", "'continue' not properly in loop")
|
|
|
|
r(IndentationError)
|
|
|
|
r(TabError)
|
|
# can only be tested under -tt, and is the only test for -tt
|
|
#try: compile("try:\n\t1/0\n \t1/0\nfinally:\n pass\n", '<string>', 'exec')
|
|
#except TabError: pass
|
|
#else: raise TestFailed
|
|
|
|
r(SystemError)
|
|
print '(hard to reproduce)'
|
|
|
|
r(SystemExit)
|
|
import sys
|
|
try: sys.exit(0)
|
|
except SystemExit: pass
|
|
|
|
r(TypeError)
|
|
try: [] + ()
|
|
except TypeError: pass
|
|
|
|
r(ValueError)
|
|
try: x = chr(10000)
|
|
except ValueError: pass
|
|
|
|
r(ZeroDivisionError)
|
|
try: x = 1/0
|
|
except ZeroDivisionError: pass
|
|
|
|
r(Exception)
|
|
try: x = 1/0
|
|
except Exception, e: pass
|
|
|
|
unlink(TESTFN)
|