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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
+ 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_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
+
+ 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 2024-07-09 06:46:51 +0000