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diff --git a/lib/python2.7/test/test_builtin.py b/lib/python2.7/test/test_builtin.py
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-# Python test set -- built-in functions
-
-import platform
-import unittest
-from test.test_support import fcmp, have_unicode, TESTFN, unlink, \
- run_unittest, check_py3k_warnings
-import warnings
-from operator import neg
-
-import sys, cStringIO, random, UserDict
-
-# count the number of test runs.
-# used to skip running test_execfile() multiple times
-# and to create unique strings to intern in test_intern()
-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
-
-
-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')
- __import__(name='sys')
- __import__(name='time', level=0)
- self.assertRaises(ImportError, __import__, 'spamspam')
- self.assertRaises(TypeError, __import__, 1, 2, 3, 4)
- self.assertRaises(ValueError, __import__, '')
- self.assertRaises(TypeError, __import__, 'sys', name='sys')
-
- def test_abs(self):
- # int
- self.assertEqual(abs(0), 0)
- self.assertEqual(abs(1234), 1234)
- self.assertEqual(abs(-1234), 1234)
- self.assertTrue(abs(-sys.maxint-1) > 0)
- # 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')
- # bool
- self.assertEqual(abs(True), 1)
- self.assertEqual(abs(False), 0)
- # other
- self.assertRaises(TypeError, abs)
- self.assertRaises(TypeError, abs, None)
- class AbsClass(object):
- def __abs__(self):
- return -5
- self.assertEqual(abs(AbsClass()), -5)
-
- 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
- self.assertEqual(all([0, TestFailingBool()]), False)# Short-circuit
- 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, any, 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
- self.assertEqual(any([1, TestFailingBool()]), True) # Short-circuit
- 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_neg(self):
- x = -sys.maxint-1
- self.assertTrue(isinstance(x, int))
- self.assertEqual(-x, sys.maxint+1)
-
- 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.assertTrue(callable(len))
- self.assertFalse(callable("a"))
- self.assertTrue(callable(callable))
- self.assertTrue(callable(lambda x, y: x + y))
- self.assertFalse(callable(__builtins__))
- def f(): pass
- self.assertTrue(callable(f))
-
- class Classic:
- def meth(self): pass
- self.assertTrue(callable(Classic))
- c = Classic()
- self.assertTrue(callable(c.meth))
- self.assertFalse(callable(c))
-
- class NewStyle(object):
- def meth(self): pass
- self.assertTrue(callable(NewStyle))
- n = NewStyle()
- self.assertTrue(callable(n.meth))
- self.assertFalse(callable(n))
-
- # Classic and new-style classes evaluate __call__() differently
- c.__call__ = None
- self.assertTrue(callable(c))
- del c.__call__
- self.assertFalse(callable(c))
- n.__call__ = None
- self.assertFalse(callable(n))
- del n.__call__
- self.assertFalse(callable(n))
-
- class N2(object):
- def __call__(self): pass
- n2 = N2()
- self.assertTrue(callable(n2))
- class N3(N2): pass
- n3 = N3()
- self.assertTrue(callable(n3))
-
- 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 not handled
- a = []; a.append(a)
- b = []; b.append(b)
- from UserList import UserList
- c = UserList(); c.append(c)
- self.assertRaises(RuntimeError, cmp, a, b)
- self.assertRaises(RuntimeError, cmp, b, c)
- self.assertRaises(RuntimeError, cmp, c, a)
- self.assertRaises(RuntimeError, cmp, a, c)
- # okay, now break the cycles
- a.pop(); b.pop(); c.pop()
- self.assertRaises(TypeError, cmp)
-
- def test_coerce(self):
- self.assertTrue(not fcmp(coerce(1, 1.1), (1.0, 1.1)))
- self.assertEqual(coerce(1, 1L), (1L, 1L))
- self.assertTrue(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')
- compile(source='pass', filename='?', mode='exec')
- compile(dont_inherit=0, filename='tmp', source='0', mode='eval')
- compile('pass', '?', dont_inherit=1, mode='exec')
- self.assertRaises(TypeError, compile)
- self.assertRaises(ValueError, compile, 'print 42\n', '<string>', 'badmode')
- self.assertRaises(ValueError, compile, 'print 42\n', '<string>', 'single', 0xff)
- self.assertRaises(TypeError, compile, chr(0), 'f', 'exec')
- self.assertRaises(TypeError, compile, 'pass', '?', 'exec',
- mode='eval', source='0', filename='tmp')
- 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):
- # dir(wrong number of arguments)
- self.assertRaises(TypeError, dir, 42, 42)
-
- # dir() - local scope
- local_var = 1
- self.assertIn('local_var', dir())
-
- # dir(module)
- import sys
- self.assertIn('exit', dir(sys))
-
- # dir(module_with_invalid__dict__)
- import types
- class Foo(types.ModuleType):
- __dict__ = 8
- f = Foo("foo")
- self.assertRaises(TypeError, dir, f)
-
- # dir(type)
- self.assertIn("strip", dir(str))
- self.assertNotIn("__mro__", dir(str))
-
- # dir(obj)
- class Foo(object):
- def __init__(self):
- self.x = 7
- self.y = 8
- self.z = 9
- f = Foo()
- self.assertIn("y", dir(f))
-
- # dir(obj_no__dict__)
- class Foo(object):
- __slots__ = []
- f = Foo()
- self.assertIn("__repr__", dir(f))
-
- # dir(obj_no__class__with__dict__)
- # (an ugly trick to cause getattr(f, "__class__") to fail)
- class Foo(object):
- __slots__ = ["__class__", "__dict__"]
- def __init__(self):
- self.bar = "wow"
- f = Foo()
- self.assertNotIn("__repr__", dir(f))
- self.assertIn("bar", dir(f))
-
- # dir(obj_using __dir__)
- class Foo(object):
- def __dir__(self):
- return ["kan", "ga", "roo"]
- f = Foo()
- self.assertTrue(dir(f) == ["ga", "kan", "roo"])
-
- # dir(obj__dir__not_list)
- class Foo(object):
- def __dir__(self):
- return 7
- f = Foo()
- self.assertRaises(TypeError, dir, f)
-
- 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.assertTrue(not fcmp(divmod(3.25, 1.0), (3.0, 0.25)))
- self.assertTrue(not fcmp(divmod(-3.25, 1.0), (-4.0, 0.75)))
- self.assertTrue(not fcmp(divmod(3.25, -1.0), (-4.0, -0.75)))
- self.assertTrue(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)
- self.assertRaises(TypeError, eval, 'a', m)
- 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()
- with check_py3k_warnings(("execfile.. not supported in 3.x",
- DeprecationWarning)):
- 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.assertTrue(not isinstance(outp, cls))
-
- def test_getattr(self):
- import sys
- self.assertTrue(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.assertTrue(hasattr(sys, 'stdout'))
- self.assertRaises(TypeError, hasattr, sys, 1)
- self.assertRaises(TypeError, hasattr)
- if have_unicode:
- self.assertRaises(UnicodeError, hasattr, sys, unichr(sys.maxunicode))
-
- # Check that hasattr allows SystemExit and KeyboardInterrupts by
- class A:
- def __getattr__(self, what):
- raise KeyboardInterrupt
- self.assertRaises(KeyboardInterrupt, hasattr, A(), "b")
- class B:
- def __getattr__(self, what):
- raise SystemExit
- self.assertRaises(SystemExit, hasattr, B(), "b")
-
- 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.assertEqual(type(hash(X())), int)
- class Y(object):
- def __hash__(self):
- return 2**100
- self.assertEqual(type(hash(Y())), int)
- class Z(long):
- def __hash__(self):
- return self
- self.assertEqual(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
-
- # test_int(): see test_int.py for int() tests.
-
- def test_intern(self):
- self.assertRaises(TypeError, intern)
- # This fails if the test is run twice with a constant string,
- # therefore append the run counter
- s = "never interned before " + str(numruns)
- self.assertTrue(intern(s) is s)
- s2 = s.swapcase().swapcase()
- self.assertTrue(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 succeed.
- 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.assertTrue(isinstance(c, C))
- self.assertTrue(isinstance(d, C))
- self.assertTrue(not isinstance(e, C))
- self.assertTrue(not isinstance(c, D))
- self.assertTrue(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.assertTrue(issubclass(D, C))
- self.assertTrue(issubclass(C, C))
- self.assertTrue(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())
- self.assertRaises(TypeError, len, 2)
- class ClassicStyle: pass
- class NewStyle(object): pass
- self.assertRaises(AttributeError, len, ClassicStyle())
- self.assertRaises(TypeError, len, NewStyle())
-
- 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_next(self):
- it = iter(range(2))
- self.assertEqual(next(it), 0)
- self.assertEqual(next(it), 1)
- self.assertRaises(StopIteration, next, it)
- self.assertRaises(StopIteration, next, it)
- self.assertEqual(next(it, 42), 42)
-
- class Iter(object):
- def __iter__(self):
- return self
- def next(self):
- raise StopIteration
-
- it = iter(Iter())
- self.assertEqual(next(it, 42), 42)
- self.assertRaises(StopIteration, next, it)
-
- def gen():
- yield 1
- return
-
- it = gen()
- self.assertEqual(next(it), 1)
- self.assertRaises(StopIteration, next, it)
- self.assertEqual(next(it, 42), 42)
-
- 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)
- # Will return complex in 3.0:
- 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.assertIn(a, seq)
- self.assertNotIn(b, seq)
- self.assertEqual(len(seq), 2)
-
- seq = range(b, a, -c)
- self.assertIn(b, seq)
- self.assertNotIn(a, seq)
- self.assertEqual(len(seq), 2)
-
- seq = range(-a, -b, -c)
- self.assertIn(-a, seq)
- self.assertNotIn(-b, 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
- __hash__ = None # Invalid cmp makes this unhashable
- self.assertRaises(RuntimeError, range, a, a + 1, badzero(1))
-
- # Reject floats.
- self.assertRaises(TypeError, range, 1., 1., 1.)
- 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)
-
- bignum = 2*sys.maxint
- smallnum = 42
- # Old-style user-defined class with __int__ method
- class I0:
- def __init__(self, n):
- self.n = int(n)
- def __int__(self):
- return self.n
- self.assertEqual(range(I0(bignum), I0(bignum + 1)), [bignum])
- self.assertEqual(range(I0(smallnum), I0(smallnum + 1)), [smallnum])
-
- # New-style user-defined class with __int__ method
- class I1(object):
- def __init__(self, n):
- self.n = int(n)
- def __int__(self):
- return self.n
- self.assertEqual(range(I1(bignum), I1(bignum + 1)), [bignum])
- self.assertEqual(range(I1(smallnum), I1(smallnum + 1)), [smallnum])
-
- # New-style user-defined class with failing __int__ method
- class IX(object):
- def __int__(self):
- raise RuntimeError
- self.assertRaises(RuntimeError, range, IX())
-
- # New-style user-defined class with invalid __int__ method
- class IN(object):
- def __int__(self):
- return "not a number"
- self.assertRaises(TypeError, range, IN())
-
- # Exercise various combinations of bad arguments, to check
- # refcounting logic
- self.assertRaises(TypeError, range, 0.0)
-
- self.assertRaises(TypeError, range, 0, 0.0)
- self.assertRaises(TypeError, range, 0.0, 0)
- self.assertRaises(TypeError, range, 0.0, 0.0)
-
- self.assertRaises(TypeError, range, 0, 0, 1.0)
- self.assertRaises(TypeError, range, 0, 0.0, 1)
- self.assertRaises(TypeError, range, 0, 0.0, 1.0)
- self.assertRaises(TypeError, range, 0.0, 0, 1)
- self.assertRaises(TypeError, range, 0.0, 0, 1.0)
- self.assertRaises(TypeError, range, 0.0, 0.0, 1)
- self.assertRaises(TypeError, range, 0.0, 0.0, 1.0)
-
-
-
- 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):
- add = lambda x, y: x+y
- self.assertEqual(reduce(add, ['a', 'b', 'c'], ''), 'abc')
- self.assertEqual(
- reduce(add, [['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(add, Squares(10)), 285)
- self.assertEqual(reduce(add, Squares(10), 0), 285)
- self.assertEqual(reduce(add, Squares(0), 0), 0)
- self.assertRaises(TypeError, reduce)
- self.assertRaises(TypeError, reduce, 42)
- self.assertRaises(TypeError, reduce, 42, 42)
- self.assertRaises(TypeError, reduce, 42, 42, 42)
- self.assertRaises(TypeError, reduce, None, range(5))
- self.assertRaises(TypeError, reduce, add, 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))
- self.assertRaises(TypeError, reduce, add, []) # arg 2 must not be empty sequence with no initial value
- self.assertRaises(TypeError, reduce, add, "")
- self.assertRaises(TypeError, reduce, add, ())
- self.assertEqual(reduce(add, [], None), None)
- self.assertEqual(reduce(add, [], 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(type(round(0.0)), float) # Will be int in 3.0.
- 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)
- self.assertEqual(type(round(-8.0, -1)), float)
-
- self.assertEqual(type(round(-8.0, 0)), float)
- self.assertEqual(type(round(-8.0, 1)), float)
-
- # Check half rounding behaviour.
- self.assertEqual(round(5.5), 6)
- self.assertEqual(round(6.5), 7)
- self.assertEqual(round(-5.5), -6)
- self.assertEqual(round(-6.5), -7)
-
- # Check behavior on ints
- self.assertEqual(round(0), 0)
- self.assertEqual(round(8), 8)
- self.assertEqual(round(-8), -8)
- self.assertEqual(type(round(0)), float) # Will be int in 3.0.
- self.assertEqual(type(round(-8, -1)), float)
- self.assertEqual(type(round(-8, 0)), float)
- self.assertEqual(type(round(-8, 1)), float)
-
- # test new kwargs
- self.assertEqual(round(number=-8.0, ndigits=-1), -10.0)
-
- self.assertRaises(TypeError, round)
-
- # test generic rounding delegation for reals
- class TestRound(object):
- def __float__(self):
- return 23.0
-
- class TestNoRound(object):
- pass
-
- self.assertEqual(round(TestRound()), 23)
-
- self.assertRaises(TypeError, round, 1, 2, 3)
- self.assertRaises(TypeError, round, TestNoRound())
-
- t = TestNoRound()
- t.__float__ = lambda *args: args
- self.assertRaises(TypeError, round, t)
- self.assertRaises(TypeError, round, t, 0)
-
- # Some versions of glibc for alpha have a bug that affects
- # float -> integer rounding (floor, ceil, rint, round) for
- # values in the range [2**52, 2**53). See:
- #
- # http://sources.redhat.com/bugzilla/show_bug.cgi?id=5350
- #
- # We skip this test on Linux/alpha if it would fail.
- linux_alpha = (platform.system().startswith('Linux') and
- platform.machine().startswith('alpha'))
- system_round_bug = round(5e15+1) != 5e15+1
- @unittest.skipIf(linux_alpha and system_round_bug,
- "test will fail; failure is probably due to a "
- "buggy system round function")
- def test_round_large(self):
- # Issue #1869: integral floats should remain unchanged
- self.assertEqual(round(5e15-1), 5e15-1)
- self.assertEqual(round(5e15), 5e15)
- self.assertEqual(round(5e15+1), 5e15+1)
- self.assertEqual(round(5e15+2), 5e15+2)
- self.assertEqual(round(5e15+3), 5e15+3)
-
- 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_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())
-
- empty = []
- sum(([x] for x in range(10)), empty)
- self.assertEqual(empty, [])
-
- 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)
- self.assertRaises((OverflowError, ValueError), unichr, 2**32)
-
- # 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()
-
- class C_get_vars(object):
- def getDict(self):
- return {'a':2}
- __dict__ = property(fget=getDict)
-
- 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)
- self.assertEqual(vars(self.C_get_vars()), {'a':2})
-
- 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())
-
- def test_format(self):
- # Test the basic machinery of the format() builtin. Don't test
- # the specifics of the various formatters
- self.assertEqual(format(3, ''), '3')
-
- # Returns some classes to use for various tests. There's
- # an old-style version, and a new-style version
- def classes_new():
- class A(object):
- def __init__(self, x):
- self.x = x
- def __format__(self, format_spec):
- return str(self.x) + format_spec
- class DerivedFromA(A):
- pass
-
- class Simple(object): pass
- class DerivedFromSimple(Simple):
- def __init__(self, x):
- self.x = x
- def __format__(self, format_spec):
- return str(self.x) + format_spec
- class DerivedFromSimple2(DerivedFromSimple): pass
- return A, DerivedFromA, DerivedFromSimple, DerivedFromSimple2
-
- # In 3.0, classes_classic has the same meaning as classes_new
- def classes_classic():
- class A:
- def __init__(self, x):
- self.x = x
- def __format__(self, format_spec):
- return str(self.x) + format_spec
- class DerivedFromA(A):
- pass
-
- class Simple: pass
- class DerivedFromSimple(Simple):
- def __init__(self, x):
- self.x = x
- def __format__(self, format_spec):
- return str(self.x) + format_spec
- class DerivedFromSimple2(DerivedFromSimple): pass
- return A, DerivedFromA, DerivedFromSimple, DerivedFromSimple2
-
- def class_test(A, DerivedFromA, DerivedFromSimple, DerivedFromSimple2):
- self.assertEqual(format(A(3), 'spec'), '3spec')
- self.assertEqual(format(DerivedFromA(4), 'spec'), '4spec')
- self.assertEqual(format(DerivedFromSimple(5), 'abc'), '5abc')
- self.assertEqual(format(DerivedFromSimple2(10), 'abcdef'),
- '10abcdef')
-
- class_test(*classes_new())
- class_test(*classes_classic())
-
- def empty_format_spec(value):
- # test that:
- # format(x, '') == str(x)
- # format(x) == str(x)
- self.assertEqual(format(value, ""), str(value))
- self.assertEqual(format(value), str(value))
-
- # for builtin types, format(x, "") == str(x)
- empty_format_spec(17**13)
- empty_format_spec(1.0)
- empty_format_spec(3.1415e104)
- empty_format_spec(-3.1415e104)
- empty_format_spec(3.1415e-104)
- empty_format_spec(-3.1415e-104)
- empty_format_spec(object)
- empty_format_spec(None)
-
- # TypeError because self.__format__ returns the wrong type
- class BadFormatResult:
- def __format__(self, format_spec):
- return 1.0
- self.assertRaises(TypeError, format, BadFormatResult(), "")
-
- # TypeError because format_spec is not unicode or str
- self.assertRaises(TypeError, format, object(), 4)
- self.assertRaises(TypeError, format, object(), object())
-
- # tests for object.__format__ really belong elsewhere, but
- # there's no good place to put them
- x = object().__format__('')
- self.assertTrue(x.startswith('<object object at'))
-
- # first argument to object.__format__ must be string
- self.assertRaises(TypeError, object().__format__, 3)
- self.assertRaises(TypeError, object().__format__, object())
- self.assertRaises(TypeError, object().__format__, None)
-
- # --------------------------------------------------------------------
- # Issue #7994: object.__format__ with a non-empty format string is
- # pending deprecated
- def test_deprecated_format_string(obj, fmt_str, should_raise_warning):
- with warnings.catch_warnings(record=True) as w:
- warnings.simplefilter("always", PendingDeprecationWarning)
- format(obj, fmt_str)
- if should_raise_warning:
- self.assertEqual(len(w), 1)
- self.assertIsInstance(w[0].message, PendingDeprecationWarning)
- self.assertIn('object.__format__ with a non-empty format '
- 'string', str(w[0].message))
- else:
- self.assertEqual(len(w), 0)
-
- fmt_strs = ['', 's', u'', u's']
-
- class A:
- def __format__(self, fmt_str):
- return format('', fmt_str)
-
- for fmt_str in fmt_strs:
- test_deprecated_format_string(A(), fmt_str, False)
-
- class B:
- pass
-
- class C(object):
- pass
-
- for cls in [object, B, C]:
- for fmt_str in fmt_strs:
- test_deprecated_format_string(cls(), fmt_str, len(fmt_str) != 0)
- # --------------------------------------------------------------------
-
- # make sure we can take a subclass of str as a format spec
- class DerivedFromStr(str): pass
- self.assertEqual(format(0, DerivedFromStr('10')), ' 0')
-
- def test_bin(self):
- self.assertEqual(bin(0), '0b0')
- self.assertEqual(bin(1), '0b1')
- self.assertEqual(bin(-1), '-0b1')
- self.assertEqual(bin(2**65), '0b1' + '0' * 65)
- self.assertEqual(bin(2**65-1), '0b' + '1' * 65)
- self.assertEqual(bin(-(2**65)), '-0b1' + '0' * 65)
- self.assertEqual(bin(-(2**65-1)), '-0b' + '1' * 65)
-
- def test_bytearray_translate(self):
- x = bytearray("abc")
- self.assertRaises(ValueError, x.translate, "1", 1)
- self.assertRaises(TypeError, x.translate, "1"*256, 1)
-
-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 _run_unittest(*args):
- with check_py3k_warnings(
- (".+ not supported in 3.x", DeprecationWarning),
- (".+ is renamed to imp.reload", DeprecationWarning),
- ("classic int division", DeprecationWarning)):
- run_unittest(*args)
-
-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)
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-07 10:05:05 +0000