76 lines
2.4 KiB
Python
76 lines
2.4 KiB
Python
# Python test set -- built-in functions
|
|
|
|
import test.test_support, unittest
|
|
import sys
|
|
import pickle
|
|
|
|
import warnings
|
|
warnings.filterwarnings("ignore", "integer argument expected",
|
|
DeprecationWarning, "unittest")
|
|
|
|
class XrangeTest(unittest.TestCase):
|
|
def test_xrange(self):
|
|
self.assertEqual(list(xrange(3)), [0, 1, 2])
|
|
self.assertEqual(list(xrange(1, 5)), [1, 2, 3, 4])
|
|
self.assertEqual(list(xrange(0)), [])
|
|
self.assertEqual(list(xrange(-3)), [])
|
|
self.assertEqual(list(xrange(1, 10, 3)), [1, 4, 7])
|
|
self.assertEqual(list(xrange(5, -5, -3)), [5, 2, -1, -4])
|
|
|
|
a = 10
|
|
b = 100
|
|
c = 50
|
|
|
|
self.assertEqual(list(xrange(a, a+2)), [a, a+1])
|
|
self.assertEqual(list(xrange(a+2, a, -1L)), [a+2, a+1])
|
|
self.assertEqual(list(xrange(a+4, a, -2)), [a+4, a+2])
|
|
|
|
seq = list(xrange(a, b, c))
|
|
self.assert_(a in seq)
|
|
self.assert_(b not in seq)
|
|
self.assertEqual(len(seq), 2)
|
|
|
|
seq = list(xrange(b, a, -c))
|
|
self.assert_(b in seq)
|
|
self.assert_(a not in seq)
|
|
self.assertEqual(len(seq), 2)
|
|
|
|
seq = list(xrange(-a, -b, -c))
|
|
self.assert_(-a in seq)
|
|
self.assert_(-b not in seq)
|
|
self.assertEqual(len(seq), 2)
|
|
|
|
self.assertRaises(TypeError, xrange)
|
|
self.assertRaises(TypeError, xrange, 1, 2, 3, 4)
|
|
self.assertRaises(ValueError, xrange, 1, 2, 0)
|
|
|
|
self.assertRaises(OverflowError, xrange, 1e100, 1e101, 1e101)
|
|
|
|
self.assertRaises(TypeError, xrange, 0, "spam")
|
|
self.assertRaises(TypeError, xrange, 0, 42, "spam")
|
|
|
|
self.assertEqual(len(xrange(0, sys.maxint, sys.maxint-1)), 2)
|
|
|
|
self.assertRaises(OverflowError, xrange, -sys.maxint, sys.maxint)
|
|
self.assertRaises(OverflowError, xrange, 0, 2*sys.maxint)
|
|
|
|
r = xrange(-sys.maxint, sys.maxint, 2)
|
|
self.assertEqual(len(r), sys.maxint)
|
|
self.assertRaises(OverflowError, xrange, -sys.maxint-1, sys.maxint, 2)
|
|
|
|
def test_pickling(self):
|
|
testcases = [(13,), (0, 11), (-22, 10), (20, 3, -1),
|
|
(13, 21, 3), (-2, 2, 2)]
|
|
for proto in range(pickle.HIGHEST_PROTOCOL):
|
|
for t in testcases:
|
|
r = xrange(*t)
|
|
self.assertEquals(list(pickle.loads(pickle.dumps(r, proto))),
|
|
list(r))
|
|
|
|
|
|
def test_main():
|
|
test.test_support.run_unittest(XrangeTest)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|