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import unittest
import random
import threading
import time
from test import test_support
if test_support.is_jython:
from java.util import ArrayList
from java.lang import String
class ListTestCase(unittest.TestCase):
def test_recursive_list_slices(self):
x = [1,2,3,4,5]
x[1:] = x
self.assertEquals(x, [1, 1, 2, 3, 4, 5],
"Recursive assignment to list slices failed")
def test_subclass_richcmp(self):
# http://bugs.jython.org/issue1115
class Foo(list):
def __init__(self, dotstring):
list.__init__(self, map(int, dotstring.split(".")))
bar1 = Foo('1.2.3')
bar2 = Foo('1.2.4')
self.assert_(bar1 < bar2)
self.assert_(bar1 <= bar2)
self.assert_(bar2 > bar1)
self.assert_(bar2 >= bar1)
def test_setget_override(self):
if not test_support.is_jython:
return
# http://bugs.jython.org/issue600790
class GoofyListMapThing(ArrayList):
def __init__(self):
self.silly = "Nothing"
def __setitem__(self, key, element):
self.silly = "spam"
def __getitem__(self, key):
self.silly = "eggs"
glmt = GoofyListMapThing()
glmt['my-key'] = String('el1')
self.assertEquals(glmt.silly, "spam")
glmt['my-key']
self.assertEquals(glmt.silly, "eggs")
def test_tuple_equality(self):
self.assertEqual([(1,), [1]].count([1]), 1) # http://bugs.jython.org/issue1317
class ThreadSafetyTestCase(unittest.TestCase):
def run_threads(self, f, num=10):
threads = []
for i in xrange(num):
t = threading.Thread(target=f)
t.start()
threads.append(t)
timeout = 10. # be especially generous
for t in threads:
t.join(timeout)
timeout = 0.
for t in threads:
self.assertFalse(t.isAlive())
def test_append_remove(self):
# derived from Itamar Shtull-Trauring's test for issue 521701
lst = []
def tester():
ct = threading.currentThread()
for i in range(1000):
lst.append(ct)
time.sleep(0.0001)
lst.remove(ct)
self.run_threads(tester)
self.assertEqual(lst, [])
def test_sort(self):
lst = []
def tester():
ct = threading.currentThread()
for i in range(1000):
lst.append(ct)
lst.sort()
lst.remove(ct)
time.sleep(0.0001)
self.run_threads(tester)
self.assertEqual(lst, [])
def test_count_reverse(self):
lst = [0,1,2,3,4,5,6,7,8,9,10,0]
def tester():
ct = threading.currentThread()
for i in range(1000):
self.assertEqual(lst[0], 0)
if random.random() > 0.5:
time.sleep(0.0001)
lst.reverse()
self.assertEqual(lst.count(0), 2)
self.assert_(lst[1] in (1,10))
self.run_threads(tester)
class ExtendedSliceTestCase(unittest.TestCase):
'''Really thrash extended slice operations on list.'''
type2test = list
def test_extended_slice_delete(self):
# Based on list_tests.CommonTest.test_extendedslicing .
# In the cited test case, the stop value is nearly always the default
# (None), meaning the end of the list, and often the start value is too.
# This contributed to the release of http://bugs.jython.org/issue1873 .
# This is a supplementary test focused on correct stopping.
initial = [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13]
expected1 = self.type2test([ 0, 1, 2, 3, 4, 5, 10,11,12,13])
expected2 = self.type2test([ 0, 1, 2, 4, 6, 8, 10, 12,13])
expected4 = self.type2test([ 0, 1, 3, 4, 5, 7, 8, 9, 11,12,13])
# Positive step
a = self.type2test(initial)
del a[6:10:1]
self.assertEqual(a, expected1)
a = self.type2test(initial)
del a[3:13:2]
self.assertEqual(a, expected2)
a = self.type2test(initial)
del a[3:12:2]
self.assertEqual(a, expected2)
a = self.type2test(initial)
del a[2:11:4]
self.assertEqual(a, expected4)
a = self.type2test(initial)
del a[2::4]
self.assertEqual(a, expected4)
# Negative step (same results)
a = self.type2test(initial)
del a[9:5:-1]
self.assertEqual(a, expected1)
a = self.type2test(initial)
del a[11:1:-2]
self.assertEqual(a, expected2)
a = self.type2test(initial)
del a[11:2:-2]
self.assertEqual(a, expected2)
a = self.type2test(initial)
del a[10:1:-4]
self.assertEqual(a, expected4)
a = self.type2test(initial)
del a[10::-4]
self.assertEqual(a, expected4)
def test_extended_slice_assign(self):
# Based on list_tests.CommonTest.test_extendedslicing .
# In the cited test case, the stop value is nearly always the default.
# This is a supplementary test focused on correct stopping.
aa, bb, cc = 91, 92, 93
src = self.type2test([aa,bb,cc])
initial = [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13]
expected1 = self.type2test([ 0, 1, 2, 3, 4, 5,aa,bb,cc, 9,10,11,12,13])
expected2 = self.type2test([ 0, 1, 2,aa, 4,bb, 6,cc, 8, 9,10,11,12,13])
expected4 = self.type2test([ 0, 1,aa, 3, 4, 5,bb, 7, 8, 9,cc,11,12,13])
# Positive step
a = self.type2test(initial)
a[6:9:1] = src
self.assertEqual(a, expected1)
a = self.type2test(initial)
a[3:9:2] = src
self.assertEqual(a, expected2)
a = self.type2test(initial)
a[3:8:2] = src
self.assertEqual(a, expected2)
a = self.type2test(initial)
a[2:11:4] = src
self.assertEqual(a, expected4)
a = self.type2test(initial)
a[2::4] = src
self.assertEqual(a, expected4)
# Negative step (same results, as src is reversed)
src.reverse()
a = self.type2test(initial)
a[8:5:-1] = src
self.assertEqual(a, expected1)
a = self.type2test(initial)
a[7:2:-2] = src
self.assertEqual(a, expected2)
a = self.type2test(initial)
a[7:1:-2] = src
self.assertEqual(a, expected2)
a = self.type2test(initial)
a[10:1:-4] = src
self.assertEqual(a, expected4)
a = self.type2test(initial)
a[10::-4] = src
self.assertEqual(a, expected4)
def test_main():
test_support.run_unittest(ListTestCase,
ThreadSafetyTestCase,
ExtendedSliceTestCase)
if __name__ == "__main__":
test_main()
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