mirror of https://github.com/python/cpython
144 lines
5.2 KiB
Python
144 lines
5.2 KiB
Python
import unittest
|
|
import warnings
|
|
import sys
|
|
from test import test_support
|
|
|
|
class TestSpecifics(unittest.TestCase):
|
|
|
|
def test_debug_assignment(self):
|
|
# catch assignments to __debug__
|
|
self.assertRaises(SyntaxError, compile, '__debug__ = 1', '?', 'single')
|
|
import __builtin__
|
|
prev = __builtin__.__debug__
|
|
setattr(__builtin__, '__debug__', 'sure')
|
|
setattr(__builtin__, '__debug__', prev)
|
|
|
|
def test_argument_handling(self):
|
|
# detect duplicate positional and keyword arguments
|
|
self.assertRaises(SyntaxError, eval, 'lambda a,a:0')
|
|
self.assertRaises(SyntaxError, eval, 'lambda a,a=1:0')
|
|
self.assertRaises(SyntaxError, eval, 'lambda a=1,a=1:0')
|
|
try:
|
|
exec 'def f(a, a): pass'
|
|
self.fail("duplicate arguments")
|
|
except SyntaxError:
|
|
pass
|
|
try:
|
|
exec 'def f(a = 0, a = 1): pass'
|
|
self.fail("duplicate keyword arguments")
|
|
except SyntaxError:
|
|
pass
|
|
try:
|
|
exec 'def f(a): global a; a = 1'
|
|
self.fail("variable is global and local")
|
|
except SyntaxError:
|
|
pass
|
|
|
|
def test_syntax_error(self):
|
|
self.assertRaises(SyntaxError, compile, "1+*3", "filename", "exec")
|
|
|
|
def test_duplicate_global_local(self):
|
|
try:
|
|
exec 'def f(a): global a; a = 1'
|
|
self.fail("variable is global and local")
|
|
except SyntaxError:
|
|
pass
|
|
|
|
def test_complex_args(self):
|
|
|
|
def comp_args((a, b)):
|
|
return a,b
|
|
self.assertEqual(comp_args((1, 2)), (1, 2))
|
|
|
|
def comp_args((a, b)=(3, 4)):
|
|
return a, b
|
|
self.assertEqual(comp_args((1, 2)), (1, 2))
|
|
self.assertEqual(comp_args(), (3, 4))
|
|
|
|
def comp_args(a, (b, c)):
|
|
return a, b, c
|
|
self.assertEqual(comp_args(1, (2, 3)), (1, 2, 3))
|
|
|
|
def comp_args(a=2, (b, c)=(3, 4)):
|
|
return a, b, c
|
|
self.assertEqual(comp_args(1, (2, 3)), (1, 2, 3))
|
|
self.assertEqual(comp_args(), (2, 3, 4))
|
|
|
|
def test_argument_order(self):
|
|
try:
|
|
exec 'def f(a=1, (b, c)): pass'
|
|
self.fail("non-default args after default")
|
|
except SyntaxError:
|
|
pass
|
|
|
|
def test_float_literals(self):
|
|
# testing bad float literals
|
|
self.assertRaises(SyntaxError, eval, "2e")
|
|
self.assertRaises(SyntaxError, eval, "2.0e+")
|
|
self.assertRaises(SyntaxError, eval, "1e-")
|
|
self.assertRaises(SyntaxError, eval, "3-4e/21")
|
|
|
|
def test_indentation(self):
|
|
# testing compile() of indented block w/o trailing newline"
|
|
s = """
|
|
if 1:
|
|
if 2:
|
|
pass"""
|
|
compile(s, "<string>", "exec")
|
|
|
|
def test_literals_with_leading_zeroes(self):
|
|
for arg in ["077787", "0xj", "0x.", "0e", "090000000000000",
|
|
"080000000000000", "000000000000009", "000000000000008"]:
|
|
self.assertRaises(SyntaxError, eval, arg)
|
|
|
|
self.assertEqual(eval("0777"), 511)
|
|
self.assertEqual(eval("0777L"), 511)
|
|
self.assertEqual(eval("000777"), 511)
|
|
self.assertEqual(eval("0xff"), 255)
|
|
self.assertEqual(eval("0xffL"), 255)
|
|
self.assertEqual(eval("0XfF"), 255)
|
|
self.assertEqual(eval("0777."), 777)
|
|
self.assertEqual(eval("0777.0"), 777)
|
|
self.assertEqual(eval("000000000000000000000000000000000000000000000000000777e0"), 777)
|
|
self.assertEqual(eval("0777e1"), 7770)
|
|
self.assertEqual(eval("0e0"), 0)
|
|
self.assertEqual(eval("0000E-012"), 0)
|
|
self.assertEqual(eval("09.5"), 9.5)
|
|
self.assertEqual(eval("0777j"), 777j)
|
|
self.assertEqual(eval("00j"), 0j)
|
|
self.assertEqual(eval("00.0"), 0)
|
|
self.assertEqual(eval("0e3"), 0)
|
|
self.assertEqual(eval("090000000000000."), 90000000000000.)
|
|
self.assertEqual(eval("090000000000000.0000000000000000000000"), 90000000000000.)
|
|
self.assertEqual(eval("090000000000000e0"), 90000000000000.)
|
|
self.assertEqual(eval("090000000000000e-0"), 90000000000000.)
|
|
self.assertEqual(eval("090000000000000j"), 90000000000000j)
|
|
self.assertEqual(eval("000000000000007"), 7)
|
|
self.assertEqual(eval("000000000000008."), 8.)
|
|
self.assertEqual(eval("000000000000009."), 9.)
|
|
|
|
def test_unary_minus(self):
|
|
# Verify treatment of unary minus on negative numbers SF bug #660455
|
|
warnings.filterwarnings("ignore", "hex/oct constants", FutureWarning)
|
|
warnings.filterwarnings("ignore", "hex.* of negative int", FutureWarning)
|
|
# XXX Of course the following test will have to be changed in Python 2.4
|
|
# This test is in a <string> so the filterwarnings() can affect it
|
|
all_one_bits = '0xffffffff'
|
|
if sys.maxint != 2147483647:
|
|
all_one_bits = '0xffffffffffffffff'
|
|
self.assertEqual(eval(all_one_bits), -1)
|
|
self.assertEqual(eval("-" + all_one_bits), 1)
|
|
|
|
def test_sequence_unpacking_error(self):
|
|
# Verify sequence packing/unpacking with "or". SF bug #757818
|
|
i,j = (1, -1) or (-1, 1)
|
|
self.assertEqual(i, 1)
|
|
self.assertEqual(j, -1)
|
|
|
|
|
|
def test_main():
|
|
test_support.run_unittest(TestSpecifics)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|