def test_fromkeys(self):
x = ordereddict.fromkeys([1,2,3,4,5,6])
assert len(x) == 6
assert x[6] is None
x = ordereddict.fromkeys((1,2,3,4,5), 'abc')
assert len(x) == 5
assert x[5] == 'abc'
assert x.keys() == [1,2,3,4,5]
def test_fromkeys(self):
x = ordereddict.fromkeys([1, 2, 3, 4, 5, 6])
assert len(x) == 6
assert x[6] is None
x = ordereddict.fromkeys((1, 2, 3, 4, 5), 'abc')
assert len(x) == 5
assert x[5] == 'abc'
assert x.keys() == [1, 2, 3, 4, 5]
def test_fromkeys(self):
od1 = ordereddict([
('a', None),
('b', None),
('c', None),
])
self.assertEqual(ordereddict.fromkeys('abc'), od1)
d = ordereddict()
self.assert_(not (d.fromkeys('abc') is d))
self.assertEqual(d.fromkeys('abc'), od1)
self.assertEqual(d.fromkeys((4, 5), 0), ordereddict(((4, 0), (5, 0))))
self.assertEqual(d.fromkeys([]), {})
def g():
yield 1
self.assertEqual(d.fromkeys(g()), ordereddict(((1, None), )))
self.assertRaises(TypeError, {}.fromkeys, 3)
class dictlike(ordereddict):
pass
self.assertEqual(dictlike.fromkeys('a'), {'a': None})
self.assertEqual(dictlike().fromkeys('a'), {'a': None})
self.assert_(type(dictlike.fromkeys('a')) is dictlike)
self.assert_(type(dictlike().fromkeys('a')) is dictlike)
class mydict(ordereddict):
def __new__(cls):
return UserDict.UserDict()
ud = mydict.fromkeys('ab')
self.assertEqual(ud, {'a': None, 'b': None})
self.assert_(isinstance(ud, UserDict.UserDict))
self.assertRaises(TypeError, dict.fromkeys)
class Exc(Exception):
pass
class baddict1(dict):
def __init__(self):
raise Exc()
self.assertRaises(Exc, baddict1.fromkeys, [1])
class BadSeq(object):
def __iter__(self):
return self
def next(self):
raise Exc()
self.assertRaises(Exc, ordereddict.fromkeys, BadSeq())
class baddict2(ordereddict):
def __setitem__(self, key, value):
raise Exc()
self.assertRaises(Exc, baddict2.fromkeys, [1])
def test_fromkeys(self):
od1 = ordereddict([('a', None),('b', None),('c', None),])
self.assertEqual(ordereddict.fromkeys('abc'), od1)
d = ordereddict()
self.assert_(not(d.fromkeys('abc') is d))
self.assertEqual(d.fromkeys('abc'), od1)
self.assertEqual(d.fromkeys((4,5),0), ordereddict(((4,0), (5,0))))
self.assertEqual(d.fromkeys([]), {})
def g():
yield 1
self.assertEqual(d.fromkeys(g()), ordereddict(((1,None),)))
self.assertRaises(TypeError, {}.fromkeys, 3)
class dictlike(ordereddict): pass
self.assertEqual(dictlike.fromkeys('a'), {'a':None})
self.assertEqual(dictlike().fromkeys('a'), {'a':None})
self.assert_(type(dictlike.fromkeys('a')) is dictlike)
self.assert_(type(dictlike().fromkeys('a')) is dictlike)
class mydict(ordereddict):
def __new__(cls):
return UserDict.UserDict()
ud = mydict.fromkeys('ab')
self.assertEqual(ud, {'a':None, 'b':None})
self.assert_(isinstance(ud, UserDict.UserDict))
self.assertRaises(TypeError, dict.fromkeys)
class Exc(Exception): pass
class baddict1(dict):
def __init__(self):
raise Exc()
self.assertRaises(Exc, baddict1.fromkeys, [1])
class BadSeq(object):
def __iter__(self):
return self
def next(self):
raise Exc()
self.assertRaises(Exc, ordereddict.fromkeys, BadSeq())
class baddict2(ordereddict):
def __setitem__(self, key, value):
raise Exc()
self.assertRaises(Exc, baddict2.fromkeys, [1])