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Code Issues Projects Releases Packages Wiki Activity Actions 9

* balance the left/right search for getitem.

Browse source 
* use assertions instead of tests after internal calls that can't fail.
* expand test coverage
This commit is contained in:
Raymond Hettinger 2004-07-09 04:10:20 +00:00
parent 2b2795ac6d
commit a435c53e13
2 changed files with 44 additions and 19 deletions
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35
Lib/test/test_deque.py
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@ -6,9 +6,14 @@ import copy
import cPickle as pickle
from cStringIO import StringIO
import random
import os
BIG = 100000
def fail():
raise SyntaxError
yield 1
class TestBasic(unittest.TestCase):
def test_basics(self):
@ -58,6 +63,10 @@ class TestBasic(unittest.TestCase):
self.assertRaises(TypeError, d.extendleft, 1)
d.extendleft('bcd')
self.assertEqual(list(d), list(reversed('abcd')))
d = deque()
d.extendleft(range(1000))
self.assertEqual(list(d), list(reversed(range(1000))))
self.assertRaises(SyntaxError, d.extendleft, fail())
def test_getitem(self):
n = 200
@ -151,6 +160,13 @@ class TestBasic(unittest.TestCase):
dr()
self.assertEqual(tuple(d), tuple(e))
self.assertRaises(TypeError, d.rotate, 'x') # Wrong arg type
self.assertRaises(TypeError, d.rotate, 1, 10) # Too many args
d = deque()
d.rotate() # rotate an empty deque
self.assertEqual(d, deque())
def test_len(self):
d = deque('ab')
self.assertEqual(len(d), 2)
@ -178,6 +194,8 @@ class TestBasic(unittest.TestCase):
d.clear()
self.assertEqual(len(d), 0)
self.assertEqual(list(d), [])
d.clear() # clear an emtpy deque
self.assertEqual(list(d), [])
def test_repr(self):
d = deque(xrange(200))
@ -189,10 +207,19 @@ class TestBasic(unittest.TestCase):
def test_print(self):
d = deque(xrange(200))
d.append(d)
f = StringIO()
print >> f, d,
self.assertEqual(f.getvalue(), repr(d))
f.close()
try:
fo = open(test_support.TESTFN, "wb")
print >> fo, d,
fo.close()
fo = open(test_support.TESTFN, "rb")
self.assertEqual(fo.read(), repr(d))
finally:
fo.close()
os.remove(test_support.TESTFN)
def test_init(self):
self.assertRaises(TypeError, deque, 'abc', 2);
self.assertRaises(TypeError, deque, 1);
def test_hash(self):
self.assertRaises(TypeError, hash, deque('abc'))