mirror of
https://github.com/python/cpython.git
synced 2024-12-24 01:05:10 +08:00
127 lines
3.9 KiB
Python
127 lines
3.9 KiB
Python
import os
|
|
import time
|
|
import unittest
|
|
|
|
|
|
class StructSeqTest(unittest.TestCase):
|
|
|
|
def test_tuple(self):
|
|
t = time.gmtime()
|
|
self.assertIsInstance(t, tuple)
|
|
astuple = tuple(t)
|
|
self.assertEqual(len(t), len(astuple))
|
|
self.assertEqual(t, astuple)
|
|
|
|
# Check that slicing works the same way; at one point, slicing t[i:j] with
|
|
# 0 < i < j could produce NULLs in the result.
|
|
for i in range(-len(t), len(t)):
|
|
self.assertEqual(t[i:], astuple[i:])
|
|
for j in range(-len(t), len(t)):
|
|
self.assertEqual(t[i:j], astuple[i:j])
|
|
|
|
for j in range(-len(t), len(t)):
|
|
self.assertEqual(t[:j], astuple[:j])
|
|
|
|
self.assertRaises(IndexError, t.__getitem__, -len(t)-1)
|
|
self.assertRaises(IndexError, t.__getitem__, len(t))
|
|
for i in range(-len(t), len(t)-1):
|
|
self.assertEqual(t[i], astuple[i])
|
|
|
|
def test_repr(self):
|
|
t = time.gmtime()
|
|
self.assertTrue(repr(t))
|
|
t = time.gmtime(0)
|
|
self.assertEqual(repr(t),
|
|
"time.struct_time(tm_year=1970, tm_mon=1, tm_mday=1, tm_hour=0, "
|
|
"tm_min=0, tm_sec=0, tm_wday=3, tm_yday=1, tm_isdst=0)")
|
|
# os.stat() gives a complicated struct sequence.
|
|
st = os.stat(__file__)
|
|
rep = repr(st)
|
|
self.assertTrue(rep.startswith("os.stat_result"))
|
|
self.assertIn("st_mode=", rep)
|
|
self.assertIn("st_ino=", rep)
|
|
self.assertIn("st_dev=", rep)
|
|
|
|
def test_concat(self):
|
|
t1 = time.gmtime()
|
|
t2 = t1 + tuple(t1)
|
|
for i in range(len(t1)):
|
|
self.assertEqual(t2[i], t2[i+len(t1)])
|
|
|
|
def test_repeat(self):
|
|
t1 = time.gmtime()
|
|
t2 = 3 * t1
|
|
for i in range(len(t1)):
|
|
self.assertEqual(t2[i], t2[i+len(t1)])
|
|
self.assertEqual(t2[i], t2[i+2*len(t1)])
|
|
|
|
def test_contains(self):
|
|
t1 = time.gmtime()
|
|
for item in t1:
|
|
self.assertIn(item, t1)
|
|
self.assertNotIn(-42, t1)
|
|
|
|
def test_hash(self):
|
|
t1 = time.gmtime()
|
|
self.assertEqual(hash(t1), hash(tuple(t1)))
|
|
|
|
def test_cmp(self):
|
|
t1 = time.gmtime()
|
|
t2 = type(t1)(t1)
|
|
self.assertEqual(t1, t2)
|
|
self.assertTrue(not (t1 < t2))
|
|
self.assertTrue(t1 <= t2)
|
|
self.assertTrue(not (t1 > t2))
|
|
self.assertTrue(t1 >= t2)
|
|
self.assertTrue(not (t1 != t2))
|
|
|
|
def test_fields(self):
|
|
t = time.gmtime()
|
|
self.assertEqual(len(t), t.n_sequence_fields)
|
|
self.assertEqual(t.n_unnamed_fields, 0)
|
|
self.assertEqual(t.n_fields, time._STRUCT_TM_ITEMS)
|
|
|
|
def test_constructor(self):
|
|
t = time.struct_time
|
|
|
|
self.assertRaises(TypeError, t)
|
|
self.assertRaises(TypeError, t, None)
|
|
self.assertRaises(TypeError, t, "123")
|
|
self.assertRaises(TypeError, t, "123", dict={})
|
|
self.assertRaises(TypeError, t, "123456789", dict=None)
|
|
|
|
s = "123456789"
|
|
self.assertEqual("".join(t(s)), s)
|
|
|
|
def test_eviltuple(self):
|
|
class Exc(Exception):
|
|
pass
|
|
|
|
# Devious code could crash structseqs' constructors
|
|
class C:
|
|
def __getitem__(self, i):
|
|
raise Exc
|
|
def __len__(self):
|
|
return 9
|
|
|
|
self.assertRaises(Exc, time.struct_time, C())
|
|
|
|
def test_reduce(self):
|
|
t = time.gmtime()
|
|
x = t.__reduce__()
|
|
|
|
def test_extended_getslice(self):
|
|
# Test extended slicing by comparing with list slicing.
|
|
t = time.gmtime()
|
|
L = list(t)
|
|
indices = (0, None, 1, 3, 19, 300, -1, -2, -31, -300)
|
|
for start in indices:
|
|
for stop in indices:
|
|
# Skip step 0 (invalid)
|
|
for step in indices[1:]:
|
|
self.assertEqual(list(t[start:stop:step]),
|
|
L[start:stop:step])
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|