Lib.test.test_builtin.py Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jython Show documentation
Show all versions of jython Show documentation
Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
# Python test set -- built-in functions
import test.test_support, unittest
from test.test_support import fcmp, have_unicode, TESTFN, unlink, \
run_unittest, is_jython
from operator import neg
import sys, warnings, cStringIO, random, UserDict
warnings.filterwarnings("ignore", "hex../oct.. of negative int",
FutureWarning, __name__)
warnings.filterwarnings("ignore", "integer argument expected",
DeprecationWarning, "unittest")
# count the number of test runs.
# used to skip running test_execfile() multiple times
numruns = 0
class Squares:
def __init__(self, max):
self.max = max
self.sofar = []
def __len__(self): return len(self.sofar)
def __getitem__(self, i):
if not 0 <= i < self.max: raise IndexError
n = len(self.sofar)
while n <= i:
self.sofar.append(n*n)
n += 1
return self.sofar[i]
class StrSquares:
def __init__(self, max):
self.max = max
self.sofar = []
def __len__(self):
return len(self.sofar)
def __getitem__(self, i):
if not 0 <= i < self.max:
raise IndexError
n = len(self.sofar)
while n <= i:
self.sofar.append(str(n*n))
n += 1
return self.sofar[i]
class BitBucket:
def write(self, line):
pass
L = [
('0', 0),
('1', 1),
('9', 9),
('10', 10),
('99', 99),
('100', 100),
('314', 314),
(' 314', 314),
('314 ', 314),
(' \t\t 314 \t\t ', 314),
(repr(sys.maxint), sys.maxint),
(' 1x', ValueError),
(' 1 ', 1),
(' 1\02 ', ValueError),
('', ValueError),
(' ', ValueError),
(' \t\t ', ValueError)
]
if have_unicode:
L += [
(unicode('0'), 0),
(unicode('1'), 1),
(unicode('9'), 9),
(unicode('10'), 10),
(unicode('99'), 99),
(unicode('100'), 100),
(unicode('314'), 314),
(unicode(' 314'), 314),
(unicode('\u0663\u0661\u0664 ','raw-unicode-escape'), 314),
(unicode(' \t\t 314 \t\t '), 314),
(unicode(' 1x'), ValueError),
(unicode(' 1 '), 1),
(unicode(' 1\02 '), ValueError),
(unicode(''), ValueError),
(unicode(' '), ValueError),
(unicode(' \t\t '), ValueError),
(unichr(0x200), ValueError),
]
class TestFailingBool:
def __nonzero__(self):
raise RuntimeError
class TestFailingIter:
def __iter__(self):
raise RuntimeError
class BuiltinTest(unittest.TestCase):
def test_import(self):
__import__('sys')
__import__('time')
__import__('string')
self.assertRaises(ImportError, __import__, 'spamspam')
self.assertRaises(TypeError, __import__, 1, 2, 3, 4)
self.assertRaises(ValueError, __import__, '')
def test_abs(self):
# int
self.assertEqual(abs(0), 0)
self.assertEqual(abs(1234), 1234)
self.assertEqual(abs(-1234), 1234)
# float
self.assertEqual(abs(0.0), 0.0)
self.assertEqual(abs(3.14), 3.14)
self.assertEqual(abs(-3.14), 3.14)
# long
self.assertEqual(abs(0L), 0L)
self.assertEqual(abs(1234L), 1234L)
self.assertEqual(abs(-1234L), 1234L)
# str
self.assertRaises(TypeError, abs, 'a')
def test_all(self):
self.assertEqual(all([2, 4, 6]), True)
self.assertEqual(all([2, None, 6]), False)
self.assertRaises(RuntimeError, all, [2, TestFailingBool(), 6])
self.assertRaises(RuntimeError, all, TestFailingIter())
self.assertRaises(TypeError, all, 10) # Non-iterable
self.assertRaises(TypeError, all) # No args
self.assertRaises(TypeError, all, [2, 4, 6], []) # Too many args
self.assertEqual(all([]), True) # Empty iterator
S = [50, 60]
self.assertEqual(all(x > 42 for x in S), True)
S = [50, 40, 60]
self.assertEqual(all(x > 42 for x in S), False)
def test_any(self):
self.assertEqual(any([None, None, None]), False)
self.assertEqual(any([None, 4, None]), True)
self.assertRaises(RuntimeError, any, [None, TestFailingBool(), 6])
self.assertRaises(RuntimeError, all, TestFailingIter())
self.assertRaises(TypeError, any, 10) # Non-iterable
self.assertRaises(TypeError, any) # No args
self.assertRaises(TypeError, any, [2, 4, 6], []) # Too many args
self.assertEqual(any([]), False) # Empty iterator
S = [40, 60, 30]
self.assertEqual(any(x > 42 for x in S), True)
S = [10, 20, 30]
self.assertEqual(any(x > 42 for x in S), False)
def test_apply(self):
def f0(*args):
self.assertEqual(args, ())
def f1(a1):
self.assertEqual(a1, 1)
def f2(a1, a2):
self.assertEqual(a1, 1)
self.assertEqual(a2, 2)
def f3(a1, a2, a3):
self.assertEqual(a1, 1)
self.assertEqual(a2, 2)
self.assertEqual(a3, 3)
apply(f0, ())
apply(f1, (1,))
apply(f2, (1, 2))
apply(f3, (1, 2, 3))
# A PyCFunction that takes only positional parameters should allow an
# empty keyword dictionary to pass without a complaint, but raise a
# TypeError if the dictionary is non-empty.
apply(id, (1,), {})
self.assertRaises(TypeError, apply, id, (1,), {"foo": 1})
self.assertRaises(TypeError, apply)
self.assertRaises(TypeError, apply, id, 42)
self.assertRaises(TypeError, apply, id, (42,), 42)
def test_callable(self):
self.assert_(callable(len))
def f(): pass
self.assert_(callable(f))
class C:
def meth(self): pass
self.assert_(callable(C))
x = C()
self.assert_(callable(x.meth))
self.assert_(not callable(x))
class D(C):
def __call__(self): pass
y = D()
self.assert_(callable(y))
y()
def test_chr(self):
self.assertEqual(chr(32), ' ')
self.assertEqual(chr(65), 'A')
self.assertEqual(chr(97), 'a')
self.assertEqual(chr(0xff), '\xff')
self.assertRaises(ValueError, chr, 256)
self.assertRaises(TypeError, chr)
def test_cmp(self):
self.assertEqual(cmp(-1, 1), -1)
self.assertEqual(cmp(1, -1), 1)
self.assertEqual(cmp(1, 1), 0)
# verify that circular objects are handled for Jython
a = []; a.append(a)
b = []; b.append(b)
from UserList import UserList
c = UserList(); c.append(c)
self.assertEqual(cmp(a, b), 0)
self.assertEqual(cmp(b, c), 0)
self.assertEqual(cmp(c, a), 0)
self.assertEqual(cmp(a, c), 0)
# okay, now break the cycles
a.pop(); b.pop(); c.pop()
self.assertRaises(TypeError, cmp)
def test_coerce(self):
self.assert_(not fcmp(coerce(1, 1.1), (1.0, 1.1)))
self.assertEqual(coerce(1, 1L), (1L, 1L))
self.assert_(not fcmp(coerce(1L, 1.1), (1.0, 1.1)))
self.assertRaises(TypeError, coerce)
class BadNumber:
def __coerce__(self, other):
raise ValueError
self.assertRaises(ValueError, coerce, 42, BadNumber())
self.assertRaises(OverflowError, coerce, 0.5, int("12345" * 1000))
def test_compile(self):
compile('print 1\n', '', 'exec')
bom = '\xef\xbb\xbf'
compile(bom + 'print 1\n', '', 'exec')
self.assertRaises(TypeError, compile)
self.assertRaises(ValueError, compile, 'print 42\n', '', 'badmode')
self.assertRaises(ValueError, compile, 'print 42\n', '', 'single', 0xff)
self.assertRaises(TypeError, compile, chr(0), 'f', 'exec')
if have_unicode:
compile(unicode('print u"\xc3\xa5"\n', 'utf8'), '', 'exec')
self.assertRaises(TypeError, compile, unichr(0), 'f', 'exec')
self.assertRaises(ValueError, compile, unicode('a = 1'), 'f', 'bad')
def test_delattr(self):
import sys
sys.spam = 1
delattr(sys, 'spam')
self.assertRaises(TypeError, delattr)
def test_dir(self):
x = 1
self.assert_('x' in dir())
import sys
self.assert_('modules' in dir(sys))
self.assertRaises(TypeError, dir, 42, 42)
def test_divmod(self):
self.assertEqual(divmod(12, 7), (1, 5))
self.assertEqual(divmod(-12, 7), (-2, 2))
self.assertEqual(divmod(12, -7), (-2, -2))
self.assertEqual(divmod(-12, -7), (1, -5))
self.assertEqual(divmod(12L, 7L), (1L, 5L))
self.assertEqual(divmod(-12L, 7L), (-2L, 2L))
self.assertEqual(divmod(12L, -7L), (-2L, -2L))
self.assertEqual(divmod(-12L, -7L), (1L, -5L))
self.assertEqual(divmod(12, 7L), (1, 5L))
self.assertEqual(divmod(-12, 7L), (-2, 2L))
self.assertEqual(divmod(12L, -7), (-2L, -2))
self.assertEqual(divmod(-12L, -7), (1L, -5))
self.assertEqual(divmod(-sys.maxint-1, -1),
(sys.maxint+1, 0))
self.assert_(not fcmp(divmod(3.25, 1.0), (3.0, 0.25)))
self.assert_(not fcmp(divmod(-3.25, 1.0), (-4.0, 0.75)))
self.assert_(not fcmp(divmod(3.25, -1.0), (-4.0, -0.75)))
self.assert_(not fcmp(divmod(-3.25, -1.0), (3.0, -0.25)))
self.assertRaises(TypeError, divmod)
def test_eval(self):
self.assertEqual(eval('1+1'), 2)
self.assertEqual(eval(' 1+1\n'), 2)
globals = {'a': 1, 'b': 2}
locals = {'b': 200, 'c': 300}
self.assertEqual(eval('a', globals) , 1)
self.assertEqual(eval('a', globals, locals), 1)
self.assertEqual(eval('b', globals, locals), 200)
self.assertEqual(eval('c', globals, locals), 300)
if have_unicode:
self.assertEqual(eval(unicode('1+1')), 2)
self.assertEqual(eval(unicode(' 1+1\n')), 2)
globals = {'a': 1, 'b': 2}
locals = {'b': 200, 'c': 300}
if have_unicode:
self.assertEqual(eval(unicode('a'), globals), 1)
self.assertEqual(eval(unicode('a'), globals, locals), 1)
self.assertEqual(eval(unicode('b'), globals, locals), 200)
self.assertEqual(eval(unicode('c'), globals, locals), 300)
bom = '\xef\xbb\xbf'
self.assertEqual(eval(bom + 'a', globals, locals), 1)
self.assertEqual(eval(unicode('u"\xc3\xa5"', 'utf8'), globals),
unicode('\xc3\xa5', 'utf8'))
self.assertRaises(TypeError, eval)
self.assertRaises(TypeError, eval, ())
def test_general_eval(self):
# Tests that general mappings can be used for the locals argument
class M:
"Test mapping interface versus possible calls from eval()."
def __getitem__(self, key):
if key == 'a':
return 12
raise KeyError
def keys(self):
return list('xyz')
m = M()
g = globals()
self.assertEqual(eval('a', g, m), 12)
self.assertRaises(NameError, eval, 'b', g, m)
self.assertEqual(eval('dir()', g, m), list('xyz'))
self.assertEqual(eval('globals()', g, m), g)
self.assertEqual(eval('locals()', g, m), m)
# Jython allows arbitrary mappings for globals
self.assertEqual(eval('a', m), 12)
class A:
"Non-mapping"
pass
m = A()
self.assertRaises(TypeError, eval, 'a', g, m)
# Verify that dict subclasses work as well
class D(dict):
def __getitem__(self, key):
if key == 'a':
return 12
return dict.__getitem__(self, key)
def keys(self):
return list('xyz')
d = D()
self.assertEqual(eval('a', g, d), 12)
self.assertRaises(NameError, eval, 'b', g, d)
self.assertEqual(eval('dir()', g, d), list('xyz'))
self.assertEqual(eval('globals()', g, d), g)
self.assertEqual(eval('locals()', g, d), d)
# Verify locals stores (used by list comps)
eval('[locals() for i in (2,3)]', g, d)
eval('[locals() for i in (2,3)]', g, UserDict.UserDict())
class SpreadSheet:
"Sample application showing nested, calculated lookups."
_cells = {}
def __setitem__(self, key, formula):
self._cells[key] = formula
def __getitem__(self, key):
return eval(self._cells[key], globals(), self)
ss = SpreadSheet()
ss['a1'] = '5'
ss['a2'] = 'a1*6'
ss['a3'] = 'a2*7'
self.assertEqual(ss['a3'], 210)
# Verify that dir() catches a non-list returned by eval
# SF bug #1004669
class C:
def __getitem__(self, item):
raise KeyError(item)
def keys(self):
return 'a'
self.assertRaises(TypeError, eval, 'dir()', globals(), C())
# Done outside of the method test_z to get the correct scope
z = 0
f = open(TESTFN, 'w')
f.write('z = z+1\n')
f.write('z = z*2\n')
f.close()
execfile(TESTFN)
def test_execfile(self):
global numruns
if numruns:
return
numruns += 1
globals = {'a': 1, 'b': 2}
locals = {'b': 200, 'c': 300}
self.assertEqual(self.__class__.z, 2)
globals['z'] = 0
execfile(TESTFN, globals)
self.assertEqual(globals['z'], 2)
locals['z'] = 0
execfile(TESTFN, globals, locals)
self.assertEqual(locals['z'], 2)
class M:
"Test mapping interface versus possible calls from execfile()."
def __init__(self):
self.z = 10
def __getitem__(self, key):
if key == 'z':
return self.z
raise KeyError
def __setitem__(self, key, value):
if key == 'z':
self.z = value
return
raise KeyError
locals = M()
locals['z'] = 0
execfile(TESTFN, globals, locals)
self.assertEqual(locals['z'], 2)
unlink(TESTFN)
self.assertRaises(TypeError, execfile)
self.assertRaises(TypeError, execfile, TESTFN, {}, ())
import os
self.assertRaises(IOError, execfile, os.curdir)
self.assertRaises(IOError, execfile, "I_dont_exist")
def test_filter(self):
self.assertEqual(filter(lambda c: 'a' <= c <= 'z', 'Hello World'), 'elloorld')
self.assertEqual(filter(None, [1, 'hello', [], [3], '', None, 9, 0]), [1, 'hello', [3], 9])
self.assertEqual(filter(lambda x: x > 0, [1, -3, 9, 0, 2]), [1, 9, 2])
self.assertEqual(filter(None, Squares(10)), [1, 4, 9, 16, 25, 36, 49, 64, 81])
self.assertEqual(filter(lambda x: x%2, Squares(10)), [1, 9, 25, 49, 81])
def identity(item):
return 1
filter(identity, Squares(5))
self.assertRaises(TypeError, filter)
class BadSeq(object):
def __getitem__(self, index):
if index<4:
return 42
raise ValueError
self.assertRaises(ValueError, filter, lambda x: x, BadSeq())
def badfunc():
pass
self.assertRaises(TypeError, filter, badfunc, range(5))
# test bltinmodule.c::filtertuple()
self.assertEqual(filter(None, (1, 2)), (1, 2))
self.assertEqual(filter(lambda x: x>=3, (1, 2, 3, 4)), (3, 4))
self.assertRaises(TypeError, filter, 42, (1, 2))
# test bltinmodule.c::filterstring()
self.assertEqual(filter(None, "12"), "12")
self.assertEqual(filter(lambda x: x>="3", "1234"), "34")
self.assertRaises(TypeError, filter, 42, "12")
class badstr(str):
def __getitem__(self, index):
raise ValueError
self.assertRaises(ValueError, filter, lambda x: x >="3", badstr("1234"))
class badstr2(str):
def __getitem__(self, index):
return 42
self.assertRaises(TypeError, filter, lambda x: x >=42, badstr2("1234"))
class weirdstr(str):
def __getitem__(self, index):
return weirdstr(2*str.__getitem__(self, index))
self.assertEqual(filter(lambda x: x>="33", weirdstr("1234")), "3344")
class shiftstr(str):
def __getitem__(self, index):
return chr(ord(str.__getitem__(self, index))+1)
self.assertEqual(filter(lambda x: x>="3", shiftstr("1234")), "345")
if have_unicode:
# test bltinmodule.c::filterunicode()
self.assertEqual(filter(None, unicode("12")), unicode("12"))
self.assertEqual(filter(lambda x: x>="3", unicode("1234")), unicode("34"))
self.assertRaises(TypeError, filter, 42, unicode("12"))
self.assertRaises(ValueError, filter, lambda x: x >="3", badstr(unicode("1234")))
class badunicode(unicode):
def __getitem__(self, index):
return 42
self.assertRaises(TypeError, filter, lambda x: x >=42, badunicode("1234"))
class weirdunicode(unicode):
def __getitem__(self, index):
return weirdunicode(2*unicode.__getitem__(self, index))
self.assertEqual(
filter(lambda x: x>=unicode("33"), weirdunicode("1234")), unicode("3344"))
class shiftunicode(unicode):
def __getitem__(self, index):
return unichr(ord(unicode.__getitem__(self, index))+1)
self.assertEqual(
filter(lambda x: x>=unicode("3"), shiftunicode("1234")),
unicode("345")
)
def test_filter_subclasses(self):
# test that filter() never returns tuple, str or unicode subclasses
# and that the result always goes through __getitem__
funcs = (None, bool, lambda x: True)
class tuple2(tuple):
def __getitem__(self, index):
return 2*tuple.__getitem__(self, index)
class str2(str):
def __getitem__(self, index):
return 2*str.__getitem__(self, index)
inputs = {
tuple2: {(): (), (1, 2, 3): (2, 4, 6)},
str2: {"": "", "123": "112233"}
}
if have_unicode:
class unicode2(unicode):
def __getitem__(self, index):
return 2*unicode.__getitem__(self, index)
inputs[unicode2] = {
unicode(): unicode(),
unicode("123"): unicode("112233")
}
for (cls, inps) in inputs.iteritems():
for (inp, exp) in inps.iteritems():
# make sure the output goes through __getitem__
# even if func is None
self.assertEqual(
filter(funcs[0], cls(inp)),
filter(funcs[1], cls(inp))
)
for func in funcs:
outp = filter(func, cls(inp))
self.assertEqual(outp, exp)
self.assert_(not isinstance(outp, cls))
def test_float(self):
self.assertEqual(float(3.14), 3.14)
self.assertEqual(float(314), 314.0)
self.assertEqual(float(314L), 314.0)
self.assertEqual(float(" 3.14 "), 3.14)
self.assertRaises(ValueError, float, " 0x3.1 ")
#XXX: Java can handle conversions of BinaryExponentIndicator (the p
# below) as well as floating hex. Thanks to Tobias Ivarsson for
# noticing this in the Java Language Spec. For us this is
# cross-platform - and the comments for this checkin by Neal
# Norwitz say this check is part of making things more platform
# neutral. I'm leaving this test out until we find out whether or
# not this is an implementation detail of CPython
if not is_jython:
self.assertRaises(ValueError, float, " -0x3.p-1 ")
if have_unicode:
self.assertEqual(float(unicode(" 3.14 ")), 3.14)
self.assertEqual(float(unicode(" \u0663.\u0661\u0664 ",'raw-unicode-escape')), 3.14)
# Implementation limitation in PyFloat_FromString()
# XXX: but not in Jython.
if is_jython:
self.assertEquals(float(unicode("1"*10000)), float(unicode("1"*10000)))
else:
self.assertRaises(ValueError, float, unicode("1"*10000))
# @run_with_locale('LC_NUMERIC', 'fr_FR', 'de_DE')
# def test_float_with_comma(self):
# # set locale to something that doesn't use '.' for the decimal point
# # float must not accept the locale specific decimal point but
# # it still has to accept the normal python syntac
# import locale
# if not locale.localeconv()['decimal_point'] == ',':
# return
# self.assertEqual(float(" 3.14 "), 3.14)
# self.assertEqual(float("+3.14 "), 3.14)
# self.assertEqual(float("-3.14 "), -3.14)
# self.assertEqual(float(".14 "), .14)
# self.assertEqual(float("3. "), 3.0)
# self.assertEqual(float("3.e3 "), 3000.0)
# self.assertEqual(float("3.2e3 "), 3200.0)
# self.assertEqual(float("2.5e-1 "), 0.25)
# self.assertEqual(float("5e-1"), 0.5)
# self.assertRaises(ValueError, float, " 3,14 ")
# self.assertRaises(ValueError, float, " +3,14 ")
# self.assertRaises(ValueError, float, " -3,14 ")
# self.assertRaises(ValueError, float, " 0x3.1 ")
# self.assertRaises(ValueError, float, " -0x3.p-1 ")
# self.assertEqual(float(" 25.e-1 "), 2.5)
# self.assertEqual(fcmp(float(" .25e-1 "), .025), 0)
def test_floatconversion(self):
# Make sure that calls to __float__() work properly
class Foo0:
def __float__(self):
return 42.
class Foo1(object):
def __float__(self):
return 42.
class Foo2(float):
def __float__(self):
return 42.
class Foo3(float):
def __new__(cls, value=0.):
return float.__new__(cls, 2*value)
def __float__(self):
return self
class Foo4(float):
def __float__(self):
return 42
self.assertAlmostEqual(float(Foo0()), 42.)
self.assertAlmostEqual(float(Foo1()), 42.)
self.assertAlmostEqual(float(Foo2()), 42.)
self.assertAlmostEqual(float(Foo3(21)), 42.)
self.assertRaises(TypeError, float, Foo4(42))
def test_getattr(self):
import sys
self.assert_(getattr(sys, 'stdout') is sys.stdout)
self.assertRaises(TypeError, getattr, sys, 1)
self.assertRaises(TypeError, getattr, sys, 1, "foo")
self.assertRaises(TypeError, getattr)
if have_unicode:
self.assertRaises(UnicodeError, getattr, sys, unichr(sys.maxunicode))
def test_hasattr(self):
import sys
self.assert_(hasattr(sys, 'stdout'))
self.assertRaises(TypeError, hasattr, sys, 1)
self.assertRaises(TypeError, hasattr)
if have_unicode:
self.assertRaises(UnicodeError, hasattr, sys, unichr(sys.maxunicode))
def test_hash(self):
hash(None)
self.assertEqual(hash(1), hash(1L))
self.assertEqual(hash(1), hash(1.0))
hash('spam')
if have_unicode:
self.assertEqual(hash('spam'), hash(unicode('spam')))
hash((0,1,2,3))
def f(): pass
self.assertRaises(TypeError, hash, [])
self.assertRaises(TypeError, hash, {})
# Bug 1536021: Allow hash to return long objects
class X:
def __hash__(self):
return 2**100
self.assertEquals(type(hash(X())), int)
class Y(object):
def __hash__(self):
return 2**100
self.assertEquals(type(hash(Y())), int)
class Z(long):
def __hash__(self):
return self
self.assertEquals(hash(Z(42)), hash(42L))
def test_hex(self):
self.assertEqual(hex(16), '0x10')
self.assertEqual(hex(16L), '0x10L')
self.assertEqual(hex(-16), '-0x10')
self.assertEqual(hex(-16L), '-0x10L')
self.assertRaises(TypeError, hex, {})
def test_id(self):
id(None)
id(1)
id(1L)
id(1.0)
id('spam')
id((0,1,2,3))
id([0,1,2,3])
id({'spam': 1, 'eggs': 2, 'ham': 3})
# Test input() later, together with raw_input
def test_int(self):
self.assertEqual(int(314), 314)
self.assertEqual(int(3.14), 3)
self.assertEqual(int(314L), 314)
# Check that conversion from float truncates towards zero
self.assertEqual(int(-3.14), -3)
self.assertEqual(int(3.9), 3)
self.assertEqual(int(-3.9), -3)
self.assertEqual(int(3.5), 3)
self.assertEqual(int(-3.5), -3)
# Different base:
self.assertEqual(int("10",16), 16L)
if have_unicode:
self.assertEqual(int(unicode("10"),16), 16L)
# Test conversion from strings and various anomalies
for s, v in L:
for sign in "", "+", "-":
for prefix in "", " ", "\t", " \t\t ":
ss = prefix + sign + s
vv = v
if sign == "-" and v is not ValueError:
vv = -v
try:
self.assertEqual(int(ss), vv)
except v:
pass
s = repr(-1-sys.maxint)
self.assertEqual(int(s)+1, -sys.maxint)
# should return long
int(s[1:])
# should return long
x = int(1e100)
self.assert_(isinstance(x, long))
x = int(-1e100)
self.assert_(isinstance(x, long))
# SF bug 434186: 0x80000000/2 != 0x80000000>>1.
# Worked by accident in Windows release build, but failed in debug build.
# Failed in all Linux builds.
x = -1-sys.maxint
self.assertEqual(x >> 1, x//2)
self.assertRaises(ValueError, int, '123\0')
self.assertRaises(ValueError, int, '53', 40)
x = int('1' * 600)
self.assert_(isinstance(x, long))
if have_unicode:
x = int(unichr(0x661) * 600)
self.assert_(isinstance(x, long))
self.assertRaises(TypeError, int, 1, 12)
self.assertEqual(int('0123', 0), 83)
self.assertEqual(int('0x123', 16), 291)
# SF bug 1334662: int(string, base) wrong answers
# Various representations of 2**32 evaluated to 0
# rather than 2**32 in previous versions
self.assertEqual(int('100000000000000000000000000000000', 2), 4294967296L)
self.assertEqual(int('102002022201221111211', 3), 4294967296L)
self.assertEqual(int('10000000000000000', 4), 4294967296L)
self.assertEqual(int('32244002423141', 5), 4294967296L)
self.assertEqual(int('1550104015504', 6), 4294967296L)
self.assertEqual(int('211301422354', 7), 4294967296L)
self.assertEqual(int('40000000000', 8), 4294967296L)
self.assertEqual(int('12068657454', 9), 4294967296L)
self.assertEqual(int('4294967296', 10), 4294967296L)
self.assertEqual(int('1904440554', 11), 4294967296L)
self.assertEqual(int('9ba461594', 12), 4294967296L)
self.assertEqual(int('535a79889', 13), 4294967296L)
self.assertEqual(int('2ca5b7464', 14), 4294967296L)
self.assertEqual(int('1a20dcd81', 15), 4294967296L)
self.assertEqual(int('100000000', 16), 4294967296L)
self.assertEqual(int('a7ffda91', 17), 4294967296L)
self.assertEqual(int('704he7g4', 18), 4294967296L)
self.assertEqual(int('4f5aff66', 19), 4294967296L)
self.assertEqual(int('3723ai4g', 20), 4294967296L)
self.assertEqual(int('281d55i4', 21), 4294967296L)
self.assertEqual(int('1fj8b184', 22), 4294967296L)
self.assertEqual(int('1606k7ic', 23), 4294967296L)
self.assertEqual(int('mb994ag', 24), 4294967296L)
self.assertEqual(int('hek2mgl', 25), 4294967296L)
self.assertEqual(int('dnchbnm', 26), 4294967296L)
self.assertEqual(int('b28jpdm', 27), 4294967296L)
self.assertEqual(int('8pfgih4', 28), 4294967296L)
self.assertEqual(int('76beigg', 29), 4294967296L)
self.assertEqual(int('5qmcpqg', 30), 4294967296L)
self.assertEqual(int('4q0jto4', 31), 4294967296L)
self.assertEqual(int('4000000', 32), 4294967296L)
self.assertEqual(int('3aokq94', 33), 4294967296L)
self.assertEqual(int('2qhxjli', 34), 4294967296L)
self.assertEqual(int('2br45qb', 35), 4294967296L)
self.assertEqual(int('1z141z4', 36), 4294967296L)
# SF bug 1334662: int(string, base) wrong answers
# Checks for proper evaluation of 2**32 + 1
self.assertEqual(int('100000000000000000000000000000001', 2), 4294967297L)
self.assertEqual(int('102002022201221111212', 3), 4294967297L)
self.assertEqual(int('10000000000000001', 4), 4294967297L)
self.assertEqual(int('32244002423142', 5), 4294967297L)
self.assertEqual(int('1550104015505', 6), 4294967297L)
self.assertEqual(int('211301422355', 7), 4294967297L)
self.assertEqual(int('40000000001', 8), 4294967297L)
self.assertEqual(int('12068657455', 9), 4294967297L)
self.assertEqual(int('4294967297', 10), 4294967297L)
self.assertEqual(int('1904440555', 11), 4294967297L)
self.assertEqual(int('9ba461595', 12), 4294967297L)
self.assertEqual(int('535a7988a', 13), 4294967297L)
self.assertEqual(int('2ca5b7465', 14), 4294967297L)
self.assertEqual(int('1a20dcd82', 15), 4294967297L)
self.assertEqual(int('100000001', 16), 4294967297L)
self.assertEqual(int('a7ffda92', 17), 4294967297L)
self.assertEqual(int('704he7g5', 18), 4294967297L)
self.assertEqual(int('4f5aff67', 19), 4294967297L)
self.assertEqual(int('3723ai4h', 20), 4294967297L)
self.assertEqual(int('281d55i5', 21), 4294967297L)
self.assertEqual(int('1fj8b185', 22), 4294967297L)
self.assertEqual(int('1606k7id', 23), 4294967297L)
self.assertEqual(int('mb994ah', 24), 4294967297L)
self.assertEqual(int('hek2mgm', 25), 4294967297L)
self.assertEqual(int('dnchbnn', 26), 4294967297L)
self.assertEqual(int('b28jpdn', 27), 4294967297L)
self.assertEqual(int('8pfgih5', 28), 4294967297L)
self.assertEqual(int('76beigh', 29), 4294967297L)
self.assertEqual(int('5qmcpqh', 30), 4294967297L)
self.assertEqual(int('4q0jto5', 31), 4294967297L)
self.assertEqual(int('4000001', 32), 4294967297L)
self.assertEqual(int('3aokq95', 33), 4294967297L)
self.assertEqual(int('2qhxjlj', 34), 4294967297L)
self.assertEqual(int('2br45qc', 35), 4294967297L)
self.assertEqual(int('1z141z5', 36), 4294967297L)
def test_intconversion(self):
# Test __int__()
class Foo0:
def __int__(self):
return 42
class Foo1(object):
def __int__(self):
return 42
class Foo2(int):
def __int__(self):
return 42
class Foo3(int):
def __int__(self):
return self
class Foo4(int):
def __int__(self):
return 42L
class Foo5(int):
def __int__(self):
return 42.
self.assertEqual(int(Foo0()), 42)
self.assertEqual(int(Foo1()), 42)
self.assertEqual(int(Foo2()), 42)
self.assertEqual(int(Foo3()), 0)
self.assertEqual(int(Foo4()), 42L)
self.assertRaises(TypeError, int, Foo5())
def test_intern(self):
self.assertRaises(TypeError, intern)
s = "never interned before"
self.assert_(intern(s) is s)
s2 = s.swapcase().swapcase()
self.assert_(intern(s2) is s)
# Subclasses of string can't be interned, because they
# provide too much opportunity for insane things to happen.
# We don't want them in the interned dict and if they aren't
# actually interned, we don't want to create the appearance
# that they are by allowing intern() to succeeed.
class S(str):
def __hash__(self):
return 123
self.assertRaises(TypeError, intern, S("abc"))
# It's still safe to pass these strings to routines that
# call intern internally, e.g. PyObject_SetAttr().
s = S("abc")
setattr(s, s, s)
self.assertEqual(getattr(s, s), s)
def test_iter(self):
self.assertRaises(TypeError, iter)
self.assertRaises(TypeError, iter, 42, 42)
lists = [("1", "2"), ["1", "2"], "12"]
if have_unicode:
lists.append(unicode("12"))
for l in lists:
i = iter(l)
self.assertEqual(i.next(), '1')
self.assertEqual(i.next(), '2')
self.assertRaises(StopIteration, i.next)
def test_isinstance(self):
class C:
pass
class D(C):
pass
class E:
pass
c = C()
d = D()
e = E()
self.assert_(isinstance(c, C))
self.assert_(isinstance(d, C))
self.assert_(not isinstance(e, C))
self.assert_(not isinstance(c, D))
self.assert_(not isinstance('foo', E))
self.assertRaises(TypeError, isinstance, E, 'foo')
self.assertRaises(TypeError, isinstance)
def test_issubclass(self):
class C:
pass
class D(C):
pass
class E:
pass
c = C()
d = D()
e = E()
self.assert_(issubclass(D, C))
self.assert_(issubclass(C, C))
self.assert_(not issubclass(C, D))
self.assertRaises(TypeError, issubclass, 'foo', E)
self.assertRaises(TypeError, issubclass, E, 'foo')
self.assertRaises(TypeError, issubclass)
def test_len(self):
self.assertEqual(len('123'), 3)
self.assertEqual(len(()), 0)
self.assertEqual(len((1, 2, 3, 4)), 4)
self.assertEqual(len([1, 2, 3, 4]), 4)
self.assertEqual(len({}), 0)
self.assertEqual(len({'a':1, 'b': 2}), 2)
class BadSeq:
def __len__(self):
raise ValueError
self.assertRaises(ValueError, len, BadSeq())
def test_list(self):
self.assertEqual(list([]), [])
l0_3 = [0, 1, 2, 3]
l0_3_bis = list(l0_3)
self.assertEqual(l0_3, l0_3_bis)
self.assert_(l0_3 is not l0_3_bis)
self.assertEqual(list(()), [])
self.assertEqual(list((0, 1, 2, 3)), [0, 1, 2, 3])
self.assertEqual(list(''), [])
self.assertEqual(list('spam'), ['s', 'p', 'a', 'm'])
if sys.maxint == 0x7fffffff and not test.test_support.is_jython:
# This test can currently only work on 32-bit machines.
# XXX If/when PySequence_Length() returns a ssize_t, it should be
# XXX re-enabled.
# Verify clearing of bug #556025.
# This assumes that the max data size (sys.maxint) == max
# address size this also assumes that the address size is at
# least 4 bytes with 8 byte addresses, the bug is not well
# tested
#
# Note: This test is expected to SEGV under Cygwin 1.3.12 or
# earlier due to a newlib bug. See the following mailing list
# thread for the details:
# http://sources.redhat.com/ml/newlib/2002/msg00369.html
self.assertRaises(MemoryError, list, xrange(sys.maxint // 2))
# This code used to segfault in Py2.4a3
x = []
x.extend(-y for y in x)
self.assertEqual(x, [])
def test_long(self):
self.assertEqual(long(314), 314L)
self.assertEqual(long(3.14), 3L)
self.assertEqual(long(314L), 314L)
# Check that conversion from float truncates towards zero
self.assertEqual(long(-3.14), -3L)
self.assertEqual(long(3.9), 3L)
self.assertEqual(long(-3.9), -3L)
self.assertEqual(long(3.5), 3L)
self.assertEqual(long(-3.5), -3L)
self.assertEqual(long("-3"), -3L)
if have_unicode:
self.assertEqual(long(unicode("-3")), -3L)
# Different base:
self.assertEqual(long("10",16), 16L)
if have_unicode:
self.assertEqual(long(unicode("10"),16), 16L)
# Check conversions from string (same test set as for int(), and then some)
LL = [
('1' + '0'*20, 10L**20),
('1' + '0'*100, 10L**100)
]
L2 = L[:]
if have_unicode:
L2 += [
(unicode('1') + unicode('0')*20, 10L**20),
(unicode('1') + unicode('0')*100, 10L**100),
]
for s, v in L2 + LL:
for sign in "", "+", "-":
for prefix in "", " ", "\t", " \t\t ":
ss = prefix + sign + s
vv = v
if sign == "-" and v is not ValueError:
vv = -v
try:
self.assertEqual(long(ss), long(vv))
except v:
pass
self.assertRaises(ValueError, long, '123\0')
self.assertRaises(ValueError, long, '53', 40)
self.assertRaises(TypeError, long, 1, 12)
self.assertEqual(long('100000000000000000000000000000000', 2),
4294967296)
self.assertEqual(long('102002022201221111211', 3), 4294967296)
self.assertEqual(long('10000000000000000', 4), 4294967296)
self.assertEqual(long('32244002423141', 5), 4294967296)
self.assertEqual(long('1550104015504', 6), 4294967296)
self.assertEqual(long('211301422354', 7), 4294967296)
self.assertEqual(long('40000000000', 8), 4294967296)
self.assertEqual(long('12068657454', 9), 4294967296)
self.assertEqual(long('4294967296', 10), 4294967296)
self.assertEqual(long('1904440554', 11), 4294967296)
self.assertEqual(long('9ba461594', 12), 4294967296)
self.assertEqual(long('535a79889', 13), 4294967296)
self.assertEqual(long('2ca5b7464', 14), 4294967296)
self.assertEqual(long('1a20dcd81', 15), 4294967296)
self.assertEqual(long('100000000', 16), 4294967296)
self.assertEqual(long('a7ffda91', 17), 4294967296)
self.assertEqual(long('704he7g4', 18), 4294967296)
self.assertEqual(long('4f5aff66', 19), 4294967296)
self.assertEqual(long('3723ai4g', 20), 4294967296)
self.assertEqual(long('281d55i4', 21), 4294967296)
self.assertEqual(long('1fj8b184', 22), 4294967296)
self.assertEqual(long('1606k7ic', 23), 4294967296)
self.assertEqual(long('mb994ag', 24), 4294967296)
self.assertEqual(long('hek2mgl', 25), 4294967296)
self.assertEqual(long('dnchbnm', 26), 4294967296)
self.assertEqual(long('b28jpdm', 27), 4294967296)
self.assertEqual(long('8pfgih4', 28), 4294967296)
self.assertEqual(long('76beigg', 29), 4294967296)
self.assertEqual(long('5qmcpqg', 30), 4294967296)
self.assertEqual(long('4q0jto4', 31), 4294967296)
self.assertEqual(long('4000000', 32), 4294967296)
self.assertEqual(long('3aokq94', 33), 4294967296)
self.assertEqual(long('2qhxjli', 34), 4294967296)
self.assertEqual(long('2br45qb', 35), 4294967296)
self.assertEqual(long('1z141z4', 36), 4294967296)
self.assertEqual(long('100000000000000000000000000000001', 2),
4294967297)
self.assertEqual(long('102002022201221111212', 3), 4294967297)
self.assertEqual(long('10000000000000001', 4), 4294967297)
self.assertEqual(long('32244002423142', 5), 4294967297)
self.assertEqual(long('1550104015505', 6), 4294967297)
self.assertEqual(long('211301422355', 7), 4294967297)
self.assertEqual(long('40000000001', 8), 4294967297)
self.assertEqual(long('12068657455', 9), 4294967297)
self.assertEqual(long('4294967297', 10), 4294967297)
self.assertEqual(long('1904440555', 11), 4294967297)
self.assertEqual(long('9ba461595', 12), 4294967297)
self.assertEqual(long('535a7988a', 13), 4294967297)
self.assertEqual(long('2ca5b7465', 14), 4294967297)
self.assertEqual(long('1a20dcd82', 15), 4294967297)
self.assertEqual(long('100000001', 16), 4294967297)
self.assertEqual(long('a7ffda92', 17), 4294967297)
self.assertEqual(long('704he7g5', 18), 4294967297)
self.assertEqual(long('4f5aff67', 19), 4294967297)
self.assertEqual(long('3723ai4h', 20), 4294967297)
self.assertEqual(long('281d55i5', 21), 4294967297)
self.assertEqual(long('1fj8b185', 22), 4294967297)
self.assertEqual(long('1606k7id', 23), 4294967297)
self.assertEqual(long('mb994ah', 24), 4294967297)
self.assertEqual(long('hek2mgm', 25), 4294967297)
self.assertEqual(long('dnchbnn', 26), 4294967297)
self.assertEqual(long('b28jpdn', 27), 4294967297)
self.assertEqual(long('8pfgih5', 28), 4294967297)
self.assertEqual(long('76beigh', 29), 4294967297)
self.assertEqual(long('5qmcpqh', 30), 4294967297)
self.assertEqual(long('4q0jto5', 31), 4294967297)
self.assertEqual(long('4000001', 32), 4294967297)
self.assertEqual(long('3aokq95', 33), 4294967297)
self.assertEqual(long('2qhxjlj', 34), 4294967297)
self.assertEqual(long('2br45qc', 35), 4294967297)
self.assertEqual(long('1z141z5', 36), 4294967297)
def test_longconversion(self):
# Test __long__()
class Foo0:
def __long__(self):
return 42L
class Foo1(object):
def __long__(self):
return 42L
class Foo2(long):
def __long__(self):
return 42L
class Foo3(long):
def __long__(self):
return self
class Foo4(long):
def __long__(self):
return 42
class Foo5(long):
def __long__(self):
return 42.
self.assertEqual(long(Foo0()), 42L)
self.assertEqual(long(Foo1()), 42L)
self.assertEqual(long(Foo2()), 42L)
self.assertEqual(long(Foo3()), 0)
self.assertEqual(long(Foo4()), 42)
self.assertRaises(TypeError, long, Foo5())
def test_map(self):
self.assertEqual(
map(None, 'hello world'),
['h','e','l','l','o',' ','w','o','r','l','d']
)
self.assertEqual(
map(None, 'abcd', 'efg'),
[('a', 'e'), ('b', 'f'), ('c', 'g'), ('d', None)]
)
self.assertEqual(
map(None, range(10)),
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
)
self.assertEqual(
map(lambda x: x*x, range(1,4)),
[1, 4, 9]
)
try:
from math import sqrt
except ImportError:
def sqrt(x):
return pow(x, 0.5)
self.assertEqual(
map(lambda x: map(sqrt,x), [[16, 4], [81, 9]]),
[[4.0, 2.0], [9.0, 3.0]]
)
self.assertEqual(
map(lambda x, y: x+y, [1,3,2], [9,1,4]),
[10, 4, 6]
)
def plus(*v):
accu = 0
for i in v: accu = accu + i
return accu
self.assertEqual(
map(plus, [1, 3, 7]),
[1, 3, 7]
)
self.assertEqual(
map(plus, [1, 3, 7], [4, 9, 2]),
[1+4, 3+9, 7+2]
)
self.assertEqual(
map(plus, [1, 3, 7], [4, 9, 2], [1, 1, 0]),
[1+4+1, 3+9+1, 7+2+0]
)
self.assertEqual(
map(None, Squares(10)),
[0, 1, 4, 9, 16, 25, 36, 49, 64, 81]
)
self.assertEqual(
map(int, Squares(10)),
[0, 1, 4, 9, 16, 25, 36, 49, 64, 81]
)
self.assertEqual(
map(None, Squares(3), Squares(2)),
[(0,0), (1,1), (4,None)]
)
self.assertEqual(
map(max, Squares(3), Squares(2)),
[0, 1, 4]
)
self.assertRaises(TypeError, map)
self.assertRaises(TypeError, map, lambda x: x, 42)
self.assertEqual(map(None, [42]), [42])
class BadSeq:
def __getitem__(self, index):
raise ValueError
self.assertRaises(ValueError, map, lambda x: x, BadSeq())
def badfunc(x):
raise RuntimeError
self.assertRaises(RuntimeError, map, badfunc, range(5))
def test_max(self):
self.assertEqual(max('123123'), '3')
self.assertEqual(max(1, 2, 3), 3)
self.assertEqual(max((1, 2, 3, 1, 2, 3)), 3)
self.assertEqual(max([1, 2, 3, 1, 2, 3]), 3)
self.assertEqual(max(1, 2L, 3.0), 3.0)
self.assertEqual(max(1L, 2.0, 3), 3)
self.assertEqual(max(1.0, 2, 3L), 3L)
for stmt in (
"max(key=int)", # no args
"max(1, key=int)", # single arg not iterable
"max(1, 2, keystone=int)", # wrong keyword
"max(1, 2, key=int, abc=int)", # two many keywords
"max(1, 2, key=1)", # keyfunc is not callable
):
try:
exec(stmt) in globals()
except TypeError:
pass
else:
self.fail(stmt)
self.assertEqual(max((1,), key=neg), 1) # one elem iterable
self.assertEqual(max((1,2), key=neg), 1) # two elem iterable
self.assertEqual(max(1, 2, key=neg), 1) # two elems
data = [random.randrange(200) for i in range(100)]
keys = dict((elem, random.randrange(50)) for elem in data)
f = keys.__getitem__
self.assertEqual(max(data, key=f),
sorted(reversed(data), key=f)[-1])
def test_min(self):
self.assertEqual(min('123123'), '1')
self.assertEqual(min(1, 2, 3), 1)
self.assertEqual(min((1, 2, 3, 1, 2, 3)), 1)
self.assertEqual(min([1, 2, 3, 1, 2, 3]), 1)
self.assertEqual(min(1, 2L, 3.0), 1)
self.assertEqual(min(1L, 2.0, 3), 1L)
self.assertEqual(min(1.0, 2, 3L), 1.0)
self.assertRaises(TypeError, min)
self.assertRaises(TypeError, min, 42)
self.assertRaises(ValueError, min, ())
class BadSeq:
def __getitem__(self, index):
raise ValueError
self.assertRaises(ValueError, min, BadSeq())
class BadNumber:
def __cmp__(self, other):
raise ValueError
self.assertRaises(ValueError, min, (42, BadNumber()))
for stmt in (
"min(key=int)", # no args
"min(1, key=int)", # single arg not iterable
"min(1, 2, keystone=int)", # wrong keyword
"min(1, 2, key=int, abc=int)", # two many keywords
"min(1, 2, key=1)", # keyfunc is not callable
):
try:
exec(stmt) in globals()
except TypeError:
pass
else:
self.fail(stmt)
self.assertEqual(min((1,), key=neg), 1) # one elem iterable
self.assertEqual(min((1,2), key=neg), 2) # two elem iterable
self.assertEqual(min(1, 2, key=neg), 2) # two elems
data = [random.randrange(200) for i in range(100)]
keys = dict((elem, random.randrange(50)) for elem in data)
f = keys.__getitem__
self.assertEqual(min(data, key=f),
sorted(data, key=f)[0])
def test_oct(self):
self.assertEqual(oct(100), '0144')
self.assertEqual(oct(100L), '0144L')
self.assertEqual(oct(-100), '-0144')
self.assertEqual(oct(-100L), '-0144L')
self.assertRaises(TypeError, oct, ())
def write_testfile(self):
# NB the first 4 lines are also used to test input and raw_input, below
fp = open(TESTFN, 'w')
try:
fp.write('1+1\n')
fp.write('1+1\n')
fp.write('The quick brown fox jumps over the lazy dog')
fp.write('.\n')
fp.write('Dear John\n')
fp.write('XXX'*100)
fp.write('YYY'*100)
finally:
fp.close()
def test_open(self):
self.write_testfile()
fp = open(TESTFN, 'r')
try:
self.assertEqual(fp.readline(4), '1+1\n')
self.assertEqual(fp.readline(4), '1+1\n')
self.assertEqual(fp.readline(), 'The quick brown fox jumps over the lazy dog.\n')
self.assertEqual(fp.readline(4), 'Dear')
self.assertEqual(fp.readline(100), ' John\n')
self.assertEqual(fp.read(300), 'XXX'*100)
self.assertEqual(fp.read(1000), 'YYY'*100)
finally:
fp.close()
unlink(TESTFN)
def test_ord(self):
self.assertEqual(ord(' '), 32)
self.assertEqual(ord('A'), 65)
self.assertEqual(ord('a'), 97)
if have_unicode:
self.assertEqual(ord(unichr(sys.maxunicode)), sys.maxunicode)
self.assertRaises(TypeError, ord, 42)
if have_unicode:
self.assertRaises(TypeError, ord, unicode("12"))
def test_pow(self):
self.assertEqual(pow(0,0), 1)
self.assertEqual(pow(0,1), 0)
self.assertEqual(pow(1,0), 1)
self.assertEqual(pow(1,1), 1)
self.assertEqual(pow(2,0), 1)
self.assertEqual(pow(2,10), 1024)
self.assertEqual(pow(2,20), 1024*1024)
self.assertEqual(pow(2,30), 1024*1024*1024)
self.assertEqual(pow(-2,0), 1)
self.assertEqual(pow(-2,1), -2)
self.assertEqual(pow(-2,2), 4)
self.assertEqual(pow(-2,3), -8)
self.assertEqual(pow(0L,0), 1)
self.assertEqual(pow(0L,1), 0)
self.assertEqual(pow(1L,0), 1)
self.assertEqual(pow(1L,1), 1)
self.assertEqual(pow(2L,0), 1)
self.assertEqual(pow(2L,10), 1024)
self.assertEqual(pow(2L,20), 1024*1024)
self.assertEqual(pow(2L,30), 1024*1024*1024)
self.assertEqual(pow(-2L,0), 1)
self.assertEqual(pow(-2L,1), -2)
self.assertEqual(pow(-2L,2), 4)
self.assertEqual(pow(-2L,3), -8)
self.assertAlmostEqual(pow(0.,0), 1.)
self.assertAlmostEqual(pow(0.,1), 0.)
self.assertAlmostEqual(pow(1.,0), 1.)
self.assertAlmostEqual(pow(1.,1), 1.)
self.assertAlmostEqual(pow(2.,0), 1.)
self.assertAlmostEqual(pow(2.,10), 1024.)
self.assertAlmostEqual(pow(2.,20), 1024.*1024.)
self.assertAlmostEqual(pow(2.,30), 1024.*1024.*1024.)
self.assertAlmostEqual(pow(-2.,0), 1.)
self.assertAlmostEqual(pow(-2.,1), -2.)
self.assertAlmostEqual(pow(-2.,2), 4.)
self.assertAlmostEqual(pow(-2.,3), -8.)
for x in 2, 2L, 2.0:
for y in 10, 10L, 10.0:
for z in 1000, 1000L, 1000.0:
if isinstance(x, float) or \
isinstance(y, float) or \
isinstance(z, float):
self.assertRaises(TypeError, pow, x, y, z)
else:
self.assertAlmostEqual(pow(x, y, z), 24.0)
self.assertRaises(TypeError, pow, -1, -2, 3)
self.assertRaises(ValueError, pow, 1, 2, 0)
self.assertRaises(TypeError, pow, -1L, -2L, 3L)
self.assertRaises(ValueError, pow, 1L, 2L, 0L)
self.assertRaises(ValueError, pow, -342.43, 0.234)
self.assertRaises(TypeError, pow)
def test_range(self):
self.assertEqual(range(3), [0, 1, 2])
self.assertEqual(range(1, 5), [1, 2, 3, 4])
self.assertEqual(range(0), [])
self.assertEqual(range(-3), [])
self.assertEqual(range(1, 10, 3), [1, 4, 7])
self.assertEqual(range(5, -5, -3), [5, 2, -1, -4])
# Now test range() with longs
self.assertEqual(range(-2**100), [])
self.assertEqual(range(0, -2**100), [])
self.assertEqual(range(0, 2**100, -1), [])
self.assertEqual(range(0, 2**100, -1), [])
a = long(10 * sys.maxint)
b = long(100 * sys.maxint)
c = long(50 * sys.maxint)
self.assertEqual(range(a, a+2), [a, a+1])
self.assertEqual(range(a+2, a, -1L), [a+2, a+1])
self.assertEqual(range(a+4, a, -2), [a+4, a+2])
seq = range(a, b, c)
self.assert_(a in seq)
self.assert_(b not in seq)
self.assertEqual(len(seq), 2)
seq = range(b, a, -c)
self.assert_(b in seq)
self.assert_(a not in seq)
self.assertEqual(len(seq), 2)
seq = range(-a, -b, -c)
self.assert_(-a in seq)
self.assert_(-b not in seq)
self.assertEqual(len(seq), 2)
self.assertRaises(TypeError, range)
self.assertRaises(TypeError, range, 1, 2, 3, 4)
self.assertRaises(ValueError, range, 1, 2, 0)
self.assertRaises(ValueError, range, a, a + 1, long(0))
class badzero(int):
def __cmp__(self, other):
raise RuntimeError
self.assertRaises(RuntimeError, range, a, a + 1, badzero(1))
# Reject floats when it would require PyLongs to represent.
# (smaller floats still accepted, but deprecated)
self.assertRaises(TypeError, range, 1e100, 1e101, 1e101)
self.assertRaises(TypeError, range, 0, "spam")
self.assertRaises(TypeError, range, 0, 42, "spam")
self.assertRaises(OverflowError, range, -sys.maxint, sys.maxint)
self.assertRaises(OverflowError, range, 0, 2*sys.maxint)
def test_input_and_raw_input(self):
self.write_testfile()
fp = open(TESTFN, 'r')
savestdin = sys.stdin
savestdout = sys.stdout # Eats the echo
try:
sys.stdin = fp
sys.stdout = BitBucket()
self.assertEqual(input(), 2)
self.assertEqual(input('testing\n'), 2)
self.assertEqual(raw_input(), 'The quick brown fox jumps over the lazy dog.')
self.assertEqual(raw_input('testing\n'), 'Dear John')
# SF 1535165: don't segfault on closed stdin
# sys.stdout must be a regular file for triggering
sys.stdout = savestdout
sys.stdin.close()
self.assertRaises(ValueError, input)
sys.stdout = BitBucket()
sys.stdin = cStringIO.StringIO("NULL\0")
self.assertRaises(TypeError, input, 42, 42)
sys.stdin = cStringIO.StringIO(" 'whitespace'")
self.assertEqual(input(), 'whitespace')
sys.stdin = cStringIO.StringIO()
self.assertRaises(EOFError, input)
# SF 876178: make sure input() respect future options.
sys.stdin = cStringIO.StringIO('1/2')
sys.stdout = cStringIO.StringIO()
exec compile('print input()', 'test_builtin_tmp', 'exec')
sys.stdin.seek(0, 0)
exec compile('from __future__ import division;print input()',
'test_builtin_tmp', 'exec')
sys.stdin.seek(0, 0)
exec compile('print input()', 'test_builtin_tmp', 'exec')
# The result we expect depends on whether new division semantics
# are already in effect.
if 1/2 == 0:
# This test was compiled with old semantics.
expected = ['0', '0.5', '0']
else:
# This test was compiled with new semantics (e.g., -Qnew
# was given on the command line.
expected = ['0.5', '0.5', '0.5']
self.assertEqual(sys.stdout.getvalue().splitlines(), expected)
del sys.stdout
self.assertRaises(RuntimeError, input, 'prompt')
del sys.stdin
self.assertRaises(RuntimeError, input, 'prompt')
finally:
sys.stdin = savestdin
sys.stdout = savestdout
fp.close()
unlink(TESTFN)
def test_reduce(self):
self.assertEqual(reduce(lambda x, y: x+y, ['a', 'b', 'c'], ''), 'abc')
self.assertEqual(
reduce(lambda x, y: x+y, [['a', 'c'], [], ['d', 'w']], []),
['a','c','d','w']
)
self.assertEqual(reduce(lambda x, y: x*y, range(2,8), 1), 5040)
self.assertEqual(
reduce(lambda x, y: x*y, range(2,21), 1L),
2432902008176640000L
)
self.assertEqual(reduce(lambda x, y: x+y, Squares(10)), 285)
self.assertEqual(reduce(lambda x, y: x+y, Squares(10), 0), 285)
self.assertEqual(reduce(lambda x, y: x+y, Squares(0), 0), 0)
self.assertRaises(TypeError, reduce)
self.assertRaises(TypeError, reduce, 42, 42)
self.assertRaises(TypeError, reduce, 42, 42, 42)
self.assertEqual(reduce(42, "1"), "1") # func is never called with one item
self.assertEqual(reduce(42, "", "1"), "1") # func is never called with one item
self.assertRaises(TypeError, reduce, 42, (42, 42))
class BadSeq:
def __getitem__(self, index):
raise ValueError
self.assertRaises(ValueError, reduce, 42, BadSeq())
def test_reload(self):
import marshal
reload(marshal)
import string
reload(string)
## import sys
## self.assertRaises(ImportError, reload, sys)
def test_repr(self):
self.assertEqual(repr(''), '\'\'')
self.assertEqual(repr(0), '0')
self.assertEqual(repr(0L), '0L')
self.assertEqual(repr(()), '()')
self.assertEqual(repr([]), '[]')
self.assertEqual(repr({}), '{}')
a = []
a.append(a)
self.assertEqual(repr(a), '[[...]]')
a = {}
a[0] = a
self.assertEqual(repr(a), '{0: {...}}')
def test_round(self):
self.assertEqual(round(0.0), 0.0)
self.assertEqual(round(1.0), 1.0)
self.assertEqual(round(10.0), 10.0)
self.assertEqual(round(1000000000.0), 1000000000.0)
self.assertEqual(round(1e20), 1e20)
self.assertEqual(round(-1.0), -1.0)
self.assertEqual(round(-10.0), -10.0)
self.assertEqual(round(-1000000000.0), -1000000000.0)
self.assertEqual(round(-1e20), -1e20)
self.assertEqual(round(0.1), 0.0)
self.assertEqual(round(1.1), 1.0)
self.assertEqual(round(10.1), 10.0)
self.assertEqual(round(1000000000.1), 1000000000.0)
self.assertEqual(round(-1.1), -1.0)
self.assertEqual(round(-10.1), -10.0)
self.assertEqual(round(-1000000000.1), -1000000000.0)
self.assertEqual(round(0.9), 1.0)
self.assertEqual(round(9.9), 10.0)
self.assertEqual(round(999999999.9), 1000000000.0)
self.assertEqual(round(-0.9), -1.0)
self.assertEqual(round(-9.9), -10.0)
self.assertEqual(round(-999999999.9), -1000000000.0)
self.assertEqual(round(-8.0, -1), -10.0)
# test new kwargs
self.assertEqual(round(number=-8.0, ndigits=-1), -10.0)
self.assertRaises(TypeError, round)
def test_setattr(self):
setattr(sys, 'spam', 1)
self.assertEqual(sys.spam, 1)
self.assertRaises(TypeError, setattr, sys, 1, 'spam')
self.assertRaises(TypeError, setattr)
def test_str(self):
self.assertEqual(str(''), '')
self.assertEqual(str(0), '0')
self.assertEqual(str(0L), '0')
self.assertEqual(str(()), '()')
self.assertEqual(str([]), '[]')
self.assertEqual(str({}), '{}')
a = []
a.append(a)
self.assertEqual(str(a), '[[...]]')
a = {}
a[0] = a
self.assertEqual(str(a), '{0: {...}}')
def test_sum(self):
self.assertEqual(sum([]), 0)
self.assertEqual(sum(range(2,8)), 27)
self.assertEqual(sum(iter(range(2,8))), 27)
self.assertEqual(sum(Squares(10)), 285)
self.assertEqual(sum(iter(Squares(10))), 285)
self.assertEqual(sum([[1], [2], [3]], []), [1, 2, 3])
self.assertRaises(TypeError, sum)
self.assertRaises(TypeError, sum, 42)
self.assertRaises(TypeError, sum, ['a', 'b', 'c'])
self.assertRaises(TypeError, sum, ['a', 'b', 'c'], '')
self.assertRaises(TypeError, sum, [[1], [2], [3]])
self.assertRaises(TypeError, sum, [{2:3}])
self.assertRaises(TypeError, sum, [{2:3}]*2, {2:3})
class BadSeq:
def __getitem__(self, index):
raise ValueError
self.assertRaises(ValueError, sum, BadSeq())
def test_tuple(self):
self.assertEqual(tuple(()), ())
t0_3 = (0, 1, 2, 3)
t0_3_bis = tuple(t0_3)
self.assert_(t0_3 is t0_3_bis)
self.assertEqual(tuple([]), ())
self.assertEqual(tuple([0, 1, 2, 3]), (0, 1, 2, 3))
self.assertEqual(tuple(''), ())
self.assertEqual(tuple('spam'), ('s', 'p', 'a', 'm'))
def test_type(self):
self.assertEqual(type(''), type('123'))
self.assertNotEqual(type(''), type(()))
def test_unichr(self):
if have_unicode:
self.assertEqual(unichr(32), unicode(' '))
self.assertEqual(unichr(65), unicode('A'))
self.assertEqual(unichr(97), unicode('a'))
self.assertEqual(
unichr(sys.maxunicode),
unicode('\\U%08x' % (sys.maxunicode), 'unicode-escape')
)
self.assertRaises(ValueError, unichr, sys.maxunicode+1)
self.assertRaises(TypeError, unichr)
# We don't want self in vars(), so these are static methods
@staticmethod
def get_vars_f0():
return vars()
@staticmethod
def get_vars_f2():
BuiltinTest.get_vars_f0()
a = 1
b = 2
return vars()
def test_vars(self):
self.assertEqual(set(vars()), set(dir()))
import sys
self.assertEqual(set(vars(sys)), set(dir(sys)))
self.assertEqual(self.get_vars_f0(), {})
self.assertEqual(self.get_vars_f2(), {'a': 1, 'b': 2})
self.assertRaises(TypeError, vars, 42, 42)
self.assertRaises(TypeError, vars, 42)
def test_zip(self):
a = (1, 2, 3)
b = (4, 5, 6)
t = [(1, 4), (2, 5), (3, 6)]
self.assertEqual(zip(a, b), t)
b = [4, 5, 6]
self.assertEqual(zip(a, b), t)
b = (4, 5, 6, 7)
self.assertEqual(zip(a, b), t)
class I:
def __getitem__(self, i):
if i < 0 or i > 2: raise IndexError
return i + 4
self.assertEqual(zip(a, I()), t)
self.assertEqual(zip(), [])
self.assertEqual(zip(*[]), [])
self.assertRaises(TypeError, zip, None)
class G:
pass
self.assertRaises(TypeError, zip, a, G())
# Make sure zip doesn't try to allocate a billion elements for the
# result list when one of its arguments doesn't say how long it is.
# A MemoryError is the most likely failure mode.
class SequenceWithoutALength:
def __getitem__(self, i):
if i == 5:
raise IndexError
else:
return i
self.assertEqual(
zip(SequenceWithoutALength(), xrange(2**30)),
list(enumerate(range(5)))
)
class BadSeq:
def __getitem__(self, i):
if i == 5:
raise ValueError
else:
return i
self.assertRaises(ValueError, zip, BadSeq(), BadSeq())
class TestSorted(unittest.TestCase):
def test_basic(self):
data = range(100)
copy = data[:]
random.shuffle(copy)
self.assertEqual(data, sorted(copy))
self.assertNotEqual(data, copy)
data.reverse()
random.shuffle(copy)
self.assertEqual(data, sorted(copy, cmp=lambda x, y: cmp(y,x)))
self.assertNotEqual(data, copy)
random.shuffle(copy)
self.assertEqual(data, sorted(copy, key=lambda x: -x))
self.assertNotEqual(data, copy)
random.shuffle(copy)
self.assertEqual(data, sorted(copy, reverse=1))
self.assertNotEqual(data, copy)
def test_inputtypes(self):
s = 'abracadabra'
types = [list, tuple]
if have_unicode:
types.insert(0, unicode)
for T in types:
self.assertEqual(sorted(s), sorted(T(s)))
s = ''.join(dict.fromkeys(s).keys()) # unique letters only
types = [set, frozenset, list, tuple, dict.fromkeys]
if have_unicode:
types.insert(0, unicode)
for T in types:
self.assertEqual(sorted(s), sorted(T(s)))
def test_baddecorator(self):
data = 'The quick Brown fox Jumped over The lazy Dog'.split()
self.assertRaises(TypeError, sorted, data, None, lambda x,y: 0)
def test_main(verbose=None):
test_classes = (BuiltinTest, TestSorted)
run_unittest(*test_classes)
# verify reference counting
if verbose and hasattr(sys, "gettotalrefcount"):
import gc
counts = [None] * 5
for i in xrange(len(counts)):
run_unittest(*test_classes)
gc.collect()
counts[i] = sys.gettotalrefcount()
print counts
if __name__ == "__main__":
test_main(verbose=True)