| # Python test set -- built-in functions |
| |
| import test.test_support, unittest |
| from test.test_support import fcmp, TESTFN, unlink, run_unittest, \ |
| run_with_locale |
| from operator import neg |
| |
| import sys, warnings, random, UserDict, io, rational |
| warnings.filterwarnings("ignore", "hex../oct.. of negative int", |
| FutureWarning, __name__) |
| warnings.filterwarnings("ignore", "integer argument expected", |
| DeprecationWarning, "unittest") |
| |
| 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 |
| |
| test_conv_no_sign = [ |
| ('0', 0), |
| ('1', 1), |
| ('9', 9), |
| ('10', 10), |
| ('99', 99), |
| ('100', 100), |
| ('314', 314), |
| (' 314', 314), |
| ('314 ', 314), |
| (' \t\t 314 \t\t ', 314), |
| (repr(sys.maxsize), sys.maxsize), |
| (' 1x', ValueError), |
| (' 1 ', 1), |
| (' 1\02 ', ValueError), |
| ('', ValueError), |
| (' ', ValueError), |
| (' \t\t ', ValueError), |
| (str(b'\u0663\u0661\u0664 ','raw-unicode-escape'), 314), |
| (chr(0x200), ValueError), |
| ] |
| |
| test_conv_sign = [ |
| ('0', 0), |
| ('1', 1), |
| ('9', 9), |
| ('10', 10), |
| ('99', 99), |
| ('100', 100), |
| ('314', 314), |
| (' 314', ValueError), |
| ('314 ', 314), |
| (' \t\t 314 \t\t ', ValueError), |
| (repr(sys.maxsize), sys.maxsize), |
| (' 1x', ValueError), |
| (' 1 ', ValueError), |
| (' 1\02 ', ValueError), |
| ('', ValueError), |
| (' ', ValueError), |
| (' \t\t ', ValueError), |
| (str(b'\u0663\u0661\u0664 ','raw-unicode-escape'), 314), |
| (chr(0x200), ValueError), |
| ] |
| |
| class TestFailingBool: |
| def __bool__(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.maxsize-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(0), 0) |
| self.assertEqual(abs(1234), 1234) |
| self.assertEqual(abs(-1234), 1234) |
| # str |
| self.assertRaises(TypeError, abs, 'a') |
| |
| def test_all(self): |
| self.assertEqual(all([2, 4, 6]), True) |
| self.assertEqual(all([2, None, 6]), False) |
| self.assertRaises(RuntimeError, all, [2, TestFailingBool(), 6]) |
| self.assertRaises(RuntimeError, all, TestFailingIter()) |
| self.assertRaises(TypeError, all, 10) # Non-iterable |
| self.assertRaises(TypeError, all) # No args |
| self.assertRaises(TypeError, all, [2, 4, 6], []) # Too many args |
| self.assertEqual(all([]), True) # Empty iterator |
| S = [50, 60] |
| self.assertEqual(all(x > 42 for x in S), True) |
| S = [50, 40, 60] |
| self.assertEqual(all(x > 42 for x in S), False) |
| |
| def test_any(self): |
| self.assertEqual(any([None, None, None]), False) |
| self.assertEqual(any([None, 4, None]), True) |
| self.assertRaises(RuntimeError, any, [None, TestFailingBool(), 6]) |
| self.assertRaises(RuntimeError, all, TestFailingIter()) |
| self.assertRaises(TypeError, any, 10) # Non-iterable |
| self.assertRaises(TypeError, any) # No args |
| self.assertRaises(TypeError, any, [2, 4, 6], []) # Too many args |
| self.assertEqual(any([]), False) # Empty iterator |
| S = [40, 60, 30] |
| self.assertEqual(any(x > 42 for x in S), True) |
| S = [10, 20, 30] |
| self.assertEqual(any(x > 42 for x in S), False) |
| |
| def test_neg(self): |
| x = -sys.maxsize-1 |
| self.assert_(isinstance(x, int)) |
| self.assertEqual(-x, sys.maxsize+1) |
| |
| # XXX(nnorwitz): This test case for callable should probably be removed. |
| def test_callable(self): |
| self.assert_(hasattr(len, '__call__')) |
| def f(): pass |
| self.assert_(hasattr(f, '__call__')) |
| class C: |
| def meth(self): pass |
| self.assert_(hasattr(C, '__call__')) |
| x = C() |
| self.assert_(hasattr(x.meth, '__call__')) |
| self.assert_(not hasattr(x, '__call__')) |
| class D(C): |
| def __call__(self): pass |
| y = D() |
| self.assert_(hasattr(y, '__call__')) |
| y() |
| |
| def test_chr(self): |
| self.assertEqual(chr(32), ' ') |
| self.assertEqual(chr(65), 'A') |
| self.assertEqual(chr(97), 'a') |
| self.assertEqual(chr(0xff), '\xff') |
| self.assertRaises(ValueError, chr, 1<<24) |
| self.assertEqual(chr(sys.maxunicode), |
| str(('\\U%08x' % (sys.maxunicode)).encode("ascii"), |
| 'unicode-escape')) |
| self.assertRaises(TypeError, chr) |
| self.assertEqual(chr(0x0000FFFF), "\U0000FFFF") |
| self.assertEqual(chr(0x00010000), "\U00010000") |
| self.assertEqual(chr(0x00010001), "\U00010001") |
| self.assertEqual(chr(0x000FFFFE), "\U000FFFFE") |
| self.assertEqual(chr(0x000FFFFF), "\U000FFFFF") |
| self.assertEqual(chr(0x00100000), "\U00100000") |
| self.assertEqual(chr(0x00100001), "\U00100001") |
| self.assertEqual(chr(0x0010FFFE), "\U0010FFFE") |
| self.assertEqual(chr(0x0010FFFF), "\U0010FFFF") |
| self.assertRaises(ValueError, chr, -1) |
| self.assertRaises(ValueError, chr, 0x00110000) |
| |
| 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_compile(self): |
| compile('print(1)\n', '', 'exec') |
| bom = b'\xef\xbb\xbf' |
| compile(bom + b'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') |
| compile('print("\xe5")\n', '', 'exec') |
| self.assertRaises(TypeError, compile, chr(0), 'f', 'exec') |
| self.assertRaises(ValueError, compile, str('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.assert_('local_var' in dir()) |
| |
| # dir(module) |
| import sys |
| self.assert_('exit' in 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.assert_("strip" in dir(str)) |
| self.assert_("__mro__" not in dir(str)) |
| |
| # dir(obj) |
| class Foo(object): |
| def __init__(self): |
| self.x = 7 |
| self.y = 8 |
| self.z = 9 |
| f = Foo() |
| self.assert_("y" in dir(f)) |
| |
| # dir(obj_no__dict__) |
| class Foo(object): |
| __slots__ = [] |
| f = Foo() |
| self.assert_("__repr__" in 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.assert_("__repr__" not in dir(f)) |
| self.assert_("bar" in dir(f)) |
| |
| # dir(obj_using __dir__) |
| class Foo(object): |
| def __dir__(self): |
| return ["kan", "ga", "roo"] |
| f = Foo() |
| self.assert_(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) |
| |
| # dir(traceback) |
| try: |
| raise IndexError |
| except: |
| self.assertEqual(len(dir(sys.exc_info()[2])), 4) |
| |
| |
| 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(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(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(-sys.maxsize-1, -1), |
| (sys.maxsize+1, 0)) |
| |
| self.assert_(not fcmp(divmod(3.25, 1.0), (3.0, 0.25))) |
| self.assert_(not fcmp(divmod(-3.25, 1.0), (-4.0, 0.75))) |
| self.assert_(not fcmp(divmod(3.25, -1.0), (-4.0, -0.75))) |
| self.assert_(not fcmp(divmod(-3.25, -1.0), (3.0, -0.25))) |
| |
| self.assertRaises(TypeError, divmod) |
| |
| def test_eval(self): |
| self.assertEqual(eval('1+1'), 2) |
| self.assertEqual(eval(' 1+1\n'), 2) |
| globals = {'a': 1, 'b': 2} |
| locals = {'b': 200, 'c': 300} |
| self.assertEqual(eval('a', globals) , 1) |
| self.assertEqual(eval('a', globals, locals), 1) |
| self.assertEqual(eval('b', globals, locals), 200) |
| self.assertEqual(eval('c', globals, locals), 300) |
| globals = {'a': 1, 'b': 2} |
| locals = {'b': 200, 'c': 300} |
| bom = b'\xef\xbb\xbf' |
| self.assertEqual(eval(bom + b'a', globals, locals), 1) |
| self.assertEqual(eval('"\xe5"', globals), "\xe5") |
| self.assertRaises(TypeError, eval) |
| self.assertRaises(TypeError, eval, ()) |
| self.assertRaises(SyntaxError, eval, bom[:2] + b'a') |
| |
| 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 1 # used to be 'a' but that's no longer an error |
| self.assertRaises(TypeError, eval, 'dir()', globals(), C()) |
| |
| def test_exec(self): |
| g = {} |
| exec('z = 1', g) |
| if '__builtins__' in g: |
| del g['__builtins__'] |
| self.assertEqual(g, {'z': 1}) |
| |
| exec('z = 1+1', g) |
| if '__builtins__' in g: |
| del g['__builtins__'] |
| self.assertEqual(g, {'z': 2}) |
| g = {} |
| l = {} |
| |
| import warnings |
| warnings.filterwarnings("ignore", "global statement", module="<string>") |
| exec('global a; a = 1; b = 2', g, l) |
| if '__builtins__' in g: |
| del g['__builtins__'] |
| if '__builtins__' in l: |
| del l['__builtins__'] |
| self.assertEqual((g, l), ({'a': 1}, {'b': 2})) |
| |
| def test_filter(self): |
| self.assertEqual(list(filter(lambda c: 'a' <= c <= 'z', 'Hello World')), list('elloorld')) |
| self.assertEqual(list(filter(None, [1, 'hello', [], [3], '', None, 9, 0])), [1, 'hello', [3], 9]) |
| self.assertEqual(list(filter(lambda x: x > 0, [1, -3, 9, 0, 2])), [1, 9, 2]) |
| self.assertEqual(list(filter(None, Squares(10))), [1, 4, 9, 16, 25, 36, 49, 64, 81]) |
| self.assertEqual(list(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, list, filter(lambda x: x, BadSeq())) |
| def badfunc(): |
| pass |
| self.assertRaises(TypeError, list, filter(badfunc, range(5))) |
| |
| # test bltinmodule.c::filtertuple() |
| self.assertEqual(list(filter(None, (1, 2))), [1, 2]) |
| self.assertEqual(list(filter(lambda x: x>=3, (1, 2, 3, 4))), [3, 4]) |
| self.assertRaises(TypeError, list, filter(42, (1, 2))) |
| |
| def test_float(self): |
| self.assertEqual(float(3.14), 3.14) |
| self.assertEqual(float(314), 314.0) |
| self.assertEqual(float(314), 314.0) |
| self.assertEqual(float(" 3.14 "), 3.14) |
| self.assertRaises(ValueError, float, " 0x3.1 ") |
| self.assertRaises(ValueError, float, " -0x3.p-1 ") |
| self.assertEqual(float(str(b" \u0663.\u0661\u0664 ",'raw-unicode-escape')), 3.14) |
| self.assertEqual(float("1"*10000), 1e10000) # Inf on both sides |
| |
| @run_with_locale('LC_NUMERIC', 'fr_FR', 'de_DE') |
| def test_float_with_comma(self): |
| # set locale to something that doesn't use '.' for the decimal point |
| # float must not accept the locale specific decimal point but |
| # it still has to accept the normal python syntac |
| import locale |
| if not locale.localeconv()['decimal_point'] == ',': |
| return |
| |
| self.assertEqual(float(" 3.14 "), 3.14) |
| self.assertEqual(float("+3.14 "), 3.14) |
| self.assertEqual(float("-3.14 "), -3.14) |
| self.assertEqual(float(".14 "), .14) |
| self.assertEqual(float("3. "), 3.0) |
| self.assertEqual(float("3.e3 "), 3000.0) |
| self.assertEqual(float("3.2e3 "), 3200.0) |
| self.assertEqual(float("2.5e-1 "), 0.25) |
| self.assertEqual(float("5e-1"), 0.5) |
| self.assertRaises(ValueError, float, " 3,14 ") |
| self.assertRaises(ValueError, float, " +3,14 ") |
| self.assertRaises(ValueError, float, " -3,14 ") |
| self.assertRaises(ValueError, float, " 0x3.1 ") |
| self.assertRaises(ValueError, float, " -0x3.p-1 ") |
| self.assertEqual(float(" 25.e-1 "), 2.5) |
| self.assertEqual(fcmp(float(" .25e-1 "), .025), 0) |
| |
| def test_floatconversion(self): |
| # Make sure that calls to __float__() work properly |
| class Foo0: |
| def __float__(self): |
| return 42. |
| |
| class Foo1(object): |
| def __float__(self): |
| return 42. |
| |
| class Foo2(float): |
| def __float__(self): |
| return 42. |
| |
| class Foo3(float): |
| def __new__(cls, value=0.): |
| return float.__new__(cls, 2*value) |
| |
| def __float__(self): |
| return self |
| |
| class Foo4(float): |
| def __float__(self): |
| return 42 |
| |
| self.assertAlmostEqual(float(Foo0()), 42.) |
| self.assertAlmostEqual(float(Foo1()), 42.) |
| self.assertAlmostEqual(float(Foo2()), 42.) |
| self.assertAlmostEqual(float(Foo3(21)), 42.) |
| self.assertRaises(TypeError, float, Foo4(42)) |
| |
| def test_format(self): |
| class A: |
| def __init__(self, x): |
| self.x = x |
| def __format__(self, format_spec): |
| return str(self.x) + format_spec |
| |
| # class that returns a bad type from __format__ |
| class B: |
| def __format__(self, format_spec): |
| return 1.0 |
| |
| # class that is derived from string, used |
| # as a format spec |
| class C(str): |
| pass |
| |
| self.assertEqual(format(3, ''), '3') |
| self.assertEqual(format(A(3), 'spec'), '3spec') |
| |
| 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 |
| self.assertRaises(TypeError, format, B(), "") |
| |
| # TypeError because format_spec is not unicode |
| self.assertRaises(TypeError, format, object(), 4) |
| self.assertRaises(TypeError, format, object(), object()) |
| |
| # 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) |
| |
| # make sure we can take a subclass of str as a format spec |
| self.assertEqual(format(0, C('10')), ' 0') |
| |
| def test_floatasratio(self): |
| R = rational.Rational |
| self.assertEqual(R(0, 1), |
| R(*float(0.0).as_integer_ratio())) |
| self.assertEqual(R(5, 2), |
| R(*float(2.5).as_integer_ratio())) |
| self.assertEqual(R(1, 2), |
| R(*float(0.5).as_integer_ratio())) |
| self.assertEqual(R(4728779608739021, 2251799813685248), |
| R(*float(2.1).as_integer_ratio())) |
| self.assertEqual(R(-4728779608739021, 2251799813685248), |
| R(*float(-2.1).as_integer_ratio())) |
| self.assertEqual(R(-2100, 1), |
| R(*float(-2100.0).as_integer_ratio())) |
| |
| self.assertRaises(OverflowError, float('inf').as_integer_ratio) |
| self.assertRaises(OverflowError, float('-inf').as_integer_ratio) |
| self.assertRaises(ValueError, float('nan').as_integer_ratio) |
| |
| def test_getattr(self): |
| import sys |
| self.assert_(getattr(sys, 'stdout') is sys.stdout) |
| self.assertRaises(TypeError, getattr, sys, 1) |
| self.assertRaises(TypeError, getattr, sys, 1, "foo") |
| self.assertRaises(TypeError, getattr) |
| self.assertRaises(AttributeError, getattr, sys, chr(sys.maxunicode)) |
| |
| def test_hasattr(self): |
| import sys |
| self.assert_(hasattr(sys, 'stdout')) |
| self.assertRaises(TypeError, hasattr, sys, 1) |
| self.assertRaises(TypeError, hasattr) |
| self.assertEqual(False, hasattr(sys, chr(sys.maxunicode))) |
| |
| def test_hash(self): |
| hash(None) |
| self.assertEqual(hash(1), hash(1)) |
| self.assertEqual(hash(1), hash(1.0)) |
| hash('spam') |
| self.assertEqual(hash('spam'), hash(b'spam')) |
| hash((0,1,2,3)) |
| def f(): pass |
| self.assertRaises(TypeError, hash, []) |
| self.assertRaises(TypeError, hash, {}) |
| # Bug 1536021: Allow hash to return long objects |
| class X: |
| def __hash__(self): |
| return 2**100 |
| self.assertEquals(type(hash(X())), int) |
| class Y(object): |
| def __hash__(self): |
| return 2**100 |
| self.assertEquals(type(hash(Y())), int) |
| class Z(int): |
| def __hash__(self): |
| return self |
| self.assertEquals(hash(Z(42)), hash(42)) |
| |
| def test_hex(self): |
| self.assertEqual(hex(16), '0x10') |
| self.assertEqual(hex(16), '0x10') |
| self.assertEqual(hex(-16), '-0x10') |
| self.assertEqual(hex(-16), '-0x10') |
| self.assertRaises(TypeError, hex, {}) |
| |
| def test_id(self): |
| id(None) |
| id(1) |
| id(1) |
| 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, alphabetized as if it were raw_input |
| |
| def test_int(self): |
| self.assertEqual(int(314), 314) |
| self.assertEqual(int(3.14), 3) |
| self.assertEqual(int(314), 314) |
| # Check that conversion from float truncates towards zero |
| self.assertEqual(int(-3.14), -3) |
| self.assertEqual(int(3.9), 3) |
| self.assertEqual(int(-3.9), -3) |
| self.assertEqual(int(3.5), 3) |
| self.assertEqual(int(-3.5), -3) |
| # Different base: |
| self.assertEqual(int("10",16), 16) |
| # Test conversion from strings and various anomalies |
| # Testing with no sign at front |
| for s, v in test_conv_no_sign: |
| for prefix in "", " ", "\t", " \t\t ": |
| ss = prefix + s |
| vv = v |
| try: |
| self.assertEqual(int(ss), vv) |
| except v: |
| pass |
| # No whitespaces allowed between + or - sign and the number |
| for s, v in test_conv_sign: |
| for sign in "+", "-": |
| for prefix in "", " ", "\t", " \t\t ": |
| ss = prefix + sign + s |
| vv = v |
| if sign == "-" and v is not ValueError: |
| vv = -v |
| try: |
| self.assertEqual(int(ss), vv) |
| except v: |
| pass |
| |
| s = repr(-1-sys.maxsize) |
| x = int(s) |
| self.assertEqual(x+1, -sys.maxsize) |
| self.assert_(isinstance(x, int)) |
| # should return long |
| self.assertEqual(int(s[1:]), sys.maxsize+1) |
| |
| # should return long |
| x = int(1e100) |
| self.assert_(isinstance(x, int)) |
| x = int(-1e100) |
| self.assert_(isinstance(x, int)) |
| |
| |
| # SF bug 434186: 0x80000000/2 != 0x80000000>>1. |
| # Worked by accident in Windows release build, but failed in debug build. |
| # Failed in all Linux builds. |
| x = -1-sys.maxsize |
| self.assertEqual(x >> 1, x//2) |
| |
| self.assertRaises(ValueError, int, '123\0') |
| self.assertRaises(ValueError, int, '53', 40) |
| |
| # SF bug 1545497: embedded NULs were not detected with |
| # explicit base |
| self.assertRaises(ValueError, int, '123\0', 10) |
| self.assertRaises(ValueError, int, '123\x00 245', 20) |
| |
| x = int('1' * 600) |
| self.assert_(isinstance(x, int)) |
| |
| x = int(chr(0x661) * 600) |
| self.assert_(isinstance(x, int)) |
| |
| self.assertRaises(TypeError, int, 1, 12) |
| |
| # tests with base 0 |
| self.assertRaises(ValueError, int, ' 0123 ', 0) # old octal syntax |
| self.assertEqual(int('000', 0), 0) |
| self.assertEqual(int('0o123', 0), 83) |
| self.assertEqual(int('0x123', 0), 291) |
| self.assertEqual(int('0b100', 0), 4) |
| self.assertEqual(int(' 0O123 ', 0), 83) |
| self.assertEqual(int(' 0X123 ', 0), 291) |
| self.assertEqual(int(' 0B100 ', 0), 4) |
| |
| # without base still base 10 |
| self.assertEqual(int('0123'), 123) |
| self.assertEqual(int('0123', 10), 123) |
| |
| # tests with prefix and base != 0 |
| self.assertEqual(int('0x123', 16), 291) |
| self.assertEqual(int('0o123', 8), 83) |
| self.assertEqual(int('0b100', 2), 4) |
| self.assertEqual(int('0X123', 16), 291) |
| self.assertEqual(int('0O123', 8), 83) |
| self.assertEqual(int('0B100', 2), 4) |
| |
| # Bug 1679: "0x" is not a valid hex literal |
| self.assertRaises(ValueError, int, "0x", 16) |
| self.assertRaises(ValueError, int, "0x", 0) |
| |
| |
| # SF bug 1334662: int(string, base) wrong answers |
| # Various representations of 2**32 evaluated to 0 |
| # rather than 2**32 in previous versions |
| |
| self.assertEqual(int('100000000000000000000000000000000', 2), 4294967296) |
| self.assertEqual(int('102002022201221111211', 3), 4294967296) |
| self.assertEqual(int('10000000000000000', 4), 4294967296) |
| self.assertEqual(int('32244002423141', 5), 4294967296) |
| self.assertEqual(int('1550104015504', 6), 4294967296) |
| self.assertEqual(int('211301422354', 7), 4294967296) |
| self.assertEqual(int('40000000000', 8), 4294967296) |
| self.assertEqual(int('12068657454', 9), 4294967296) |
| self.assertEqual(int('4294967296', 10), 4294967296) |
| self.assertEqual(int('1904440554', 11), 4294967296) |
| self.assertEqual(int('9ba461594', 12), 4294967296) |
| self.assertEqual(int('535a79889', 13), 4294967296) |
| self.assertEqual(int('2ca5b7464', 14), 4294967296) |
| self.assertEqual(int('1a20dcd81', 15), 4294967296) |
| self.assertEqual(int('100000000', 16), 4294967296) |
| self.assertEqual(int('a7ffda91', 17), 4294967296) |
| self.assertEqual(int('704he7g4', 18), 4294967296) |
| self.assertEqual(int('4f5aff66', 19), 4294967296) |
| self.assertEqual(int('3723ai4g', 20), 4294967296) |
| self.assertEqual(int('281d55i4', 21), 4294967296) |
| self.assertEqual(int('1fj8b184', 22), 4294967296) |
| self.assertEqual(int('1606k7ic', 23), 4294967296) |
| self.assertEqual(int('mb994ag', 24), 4294967296) |
| self.assertEqual(int('hek2mgl', 25), 4294967296) |
| self.assertEqual(int('dnchbnm', 26), 4294967296) |
| self.assertEqual(int('b28jpdm', 27), 4294967296) |
| self.assertEqual(int('8pfgih4', 28), 4294967296) |
| self.assertEqual(int('76beigg', 29), 4294967296) |
| self.assertEqual(int('5qmcpqg', 30), 4294967296) |
| self.assertEqual(int('4q0jto4', 31), 4294967296) |
| self.assertEqual(int('4000000', 32), 4294967296) |
| self.assertEqual(int('3aokq94', 33), 4294967296) |
| self.assertEqual(int('2qhxjli', 34), 4294967296) |
| self.assertEqual(int('2br45qb', 35), 4294967296) |
| self.assertEqual(int('1z141z4', 36), 4294967296) |
| |
| # SF bug 1334662: int(string, base) wrong answers |
| # Checks for proper evaluation of 2**32 + 1 |
| self.assertEqual(int('100000000000000000000000000000001', 2), 4294967297) |
| self.assertEqual(int('102002022201221111212', 3), 4294967297) |
| self.assertEqual(int('10000000000000001', 4), 4294967297) |
| self.assertEqual(int('32244002423142', 5), 4294967297) |
| self.assertEqual(int('1550104015505', 6), 4294967297) |
| self.assertEqual(int('211301422355', 7), 4294967297) |
| self.assertEqual(int('40000000001', 8), 4294967297) |
| self.assertEqual(int('12068657455', 9), 4294967297) |
| self.assertEqual(int('4294967297', 10), 4294967297) |
| self.assertEqual(int('1904440555', 11), 4294967297) |
| self.assertEqual(int('9ba461595', 12), 4294967297) |
| self.assertEqual(int('535a7988a', 13), 4294967297) |
| self.assertEqual(int('2ca5b7465', 14), 4294967297) |
| self.assertEqual(int('1a20dcd82', 15), 4294967297) |
| self.assertEqual(int('100000001', 16), 4294967297) |
| self.assertEqual(int('a7ffda92', 17), 4294967297) |
| self.assertEqual(int('704he7g5', 18), 4294967297) |
| self.assertEqual(int('4f5aff67', 19), 4294967297) |
| self.assertEqual(int('3723ai4h', 20), 4294967297) |
| self.assertEqual(int('281d55i5', 21), 4294967297) |
| self.assertEqual(int('1fj8b185', 22), 4294967297) |
| self.assertEqual(int('1606k7id', 23), 4294967297) |
| self.assertEqual(int('mb994ah', 24), 4294967297) |
| self.assertEqual(int('hek2mgm', 25), 4294967297) |
| self.assertEqual(int('dnchbnn', 26), 4294967297) |
| self.assertEqual(int('b28jpdn', 27), 4294967297) |
| self.assertEqual(int('8pfgih5', 28), 4294967297) |
| self.assertEqual(int('76beigh', 29), 4294967297) |
| self.assertEqual(int('5qmcpqh', 30), 4294967297) |
| self.assertEqual(int('4q0jto5', 31), 4294967297) |
| self.assertEqual(int('4000001', 32), 4294967297) |
| self.assertEqual(int('3aokq95', 33), 4294967297) |
| self.assertEqual(int('2qhxjlj', 34), 4294967297) |
| self.assertEqual(int('2br45qc', 35), 4294967297) |
| self.assertEqual(int('1z141z5', 36), 4294967297) |
| |
| def test_intconversion(self): |
| # Test __int__() |
| class Foo0: |
| def __int__(self): |
| return 42 |
| |
| class Foo1(object): |
| def __int__(self): |
| return 42 |
| |
| class Foo2(int): |
| def __int__(self): |
| return 42 |
| |
| class Foo3(int): |
| def __int__(self): |
| return self |
| |
| class Foo4(int): |
| def __int__(self): |
| return 42 |
| |
| class Foo5(int): |
| def __int__(self): |
| return 42. |
| |
| self.assertEqual(int(Foo0()), 42) |
| self.assertEqual(int(Foo1()), 42) |
| self.assertEqual(int(Foo2()), 42) |
| self.assertEqual(int(Foo3()), 0) |
| self.assertEqual(int(Foo4()), 42) |
| self.assertRaises(TypeError, int, Foo5()) |
| |
| def test_iter(self): |
| self.assertRaises(TypeError, iter) |
| self.assertRaises(TypeError, iter, 42, 42) |
| lists = [("1", "2"), ["1", "2"], "12"] |
| for l in lists: |
| i = iter(l) |
| self.assertEqual(next(i), '1') |
| self.assertEqual(next(i), '2') |
| self.assertRaises(StopIteration, next, i) |
| |
| def test_isinstance(self): |
| class C: |
| pass |
| class D(C): |
| pass |
| class E: |
| pass |
| c = C() |
| d = D() |
| e = E() |
| self.assert_(isinstance(c, C)) |
| self.assert_(isinstance(d, C)) |
| self.assert_(not isinstance(e, C)) |
| self.assert_(not isinstance(c, D)) |
| self.assert_(not isinstance('foo', E)) |
| self.assertRaises(TypeError, isinstance, E, 'foo') |
| self.assertRaises(TypeError, isinstance) |
| |
| def test_issubclass(self): |
| class C: |
| pass |
| class D(C): |
| pass |
| class E: |
| pass |
| c = C() |
| d = D() |
| e = E() |
| self.assert_(issubclass(D, C)) |
| self.assert_(issubclass(C, C)) |
| self.assert_(not issubclass(C, D)) |
| self.assertRaises(TypeError, issubclass, 'foo', E) |
| self.assertRaises(TypeError, issubclass, E, 'foo') |
| self.assertRaises(TypeError, issubclass) |
| |
| def test_len(self): |
| self.assertEqual(len('123'), 3) |
| self.assertEqual(len(()), 0) |
| self.assertEqual(len((1, 2, 3, 4)), 4) |
| self.assertEqual(len([1, 2, 3, 4]), 4) |
| self.assertEqual(len({}), 0) |
| self.assertEqual(len({'a':1, 'b': 2}), 2) |
| class BadSeq: |
| def __len__(self): |
| raise ValueError |
| self.assertRaises(ValueError, len, BadSeq()) |
| |
| def test_list(self): |
| self.assertEqual(list([]), []) |
| l0_3 = [0, 1, 2, 3] |
| l0_3_bis = list(l0_3) |
| self.assertEqual(l0_3, l0_3_bis) |
| self.assert_(l0_3 is not l0_3_bis) |
| self.assertEqual(list(()), []) |
| self.assertEqual(list((0, 1, 2, 3)), [0, 1, 2, 3]) |
| self.assertEqual(list(''), []) |
| self.assertEqual(list('spam'), ['s', 'p', 'a', 'm']) |
| |
| if sys.maxsize == 0x7fffffff: |
| # This test can currently only work on 32-bit machines. |
| # XXX If/when PySequence_Length() returns a ssize_t, it should be |
| # XXX re-enabled. |
| # Verify clearing of bug #556025. |
| # This assumes that the max data size (sys.maxsize) == max |
| # address size this also assumes that the address size is at |
| # least 4 bytes with 8 byte addresses, the bug is not well |
| # tested |
| # |
| # Note: This test is expected to SEGV under Cygwin 1.3.12 or |
| # earlier due to a newlib bug. See the following mailing list |
| # thread for the details: |
| |
| # http://sources.redhat.com/ml/newlib/2002/msg00369.html |
| self.assertRaises(MemoryError, list, range(sys.maxsize // 2)) |
| |
| # This code used to segfault in Py2.4a3 |
| x = [] |
| x.extend(-y for y in x) |
| self.assertEqual(x, []) |
| |
| def test_long(self): |
| self.assertEqual(int(314), 314) |
| self.assertEqual(int(3.14), 3) |
| self.assertEqual(int(314), 314) |
| # Check that conversion from float truncates towards zero |
| self.assertEqual(int(-3.14), -3) |
| self.assertEqual(int(3.9), 3) |
| self.assertEqual(int(-3.9), -3) |
| self.assertEqual(int(3.5), 3) |
| self.assertEqual(int(-3.5), -3) |
| self.assertEqual(int("-3"), -3) |
| # Different base: |
| self.assertEqual(int("10",16), 16) |
| # Check conversions from string (same test set as for int(), and then some) |
| LL = [ |
| ('1' + '0'*20, 10**20), |
| ('1' + '0'*100, 10**100) |
| ] |
| for s, v in LL: |
| for sign in "", "+", "-": |
| for prefix in "", " ", "\t", " \t\t ": |
| ss = prefix + sign + s |
| vv = v |
| if sign == "-" and v is not ValueError: |
| vv = -v |
| try: |
| self.assertEqual(int(ss), int(vv)) |
| except v: |
| pass |
| |
| self.assertRaises(ValueError, int, '123\0') |
| self.assertRaises(ValueError, int, '53', 40) |
| self.assertRaises(TypeError, int, 1, 12) |
| |
| # SF patch #1638879: embedded NULs were not detected with |
| # explicit base |
| self.assertRaises(ValueError, int, '123\0', 10) |
| self.assertRaises(ValueError, int, '123\x00 245', 20) |
| |
| self.assertEqual(int('100000000000000000000000000000000', 2), |
| 4294967296) |
| self.assertEqual(int('102002022201221111211', 3), 4294967296) |
| self.assertEqual(int('10000000000000000', 4), 4294967296) |
| self.assertEqual(int('32244002423141', 5), 4294967296) |
| self.assertEqual(int('1550104015504', 6), 4294967296) |
| self.assertEqual(int('211301422354', 7), 4294967296) |
| self.assertEqual(int('40000000000', 8), 4294967296) |
| self.assertEqual(int('12068657454', 9), 4294967296) |
| self.assertEqual(int('4294967296', 10), 4294967296) |
| self.assertEqual(int('1904440554', 11), 4294967296) |
| self.assertEqual(int('9ba461594', 12), 4294967296) |
| self.assertEqual(int('535a79889', 13), 4294967296) |
| self.assertEqual(int('2ca5b7464', 14), 4294967296) |
| self.assertEqual(int('1a20dcd81', 15), 4294967296) |
| self.assertEqual(int('100000000', 16), 4294967296) |
| self.assertEqual(int('a7ffda91', 17), 4294967296) |
| self.assertEqual(int('704he7g4', 18), 4294967296) |
| self.assertEqual(int('4f5aff66', 19), 4294967296) |
| self.assertEqual(int('3723ai4g', 20), 4294967296) |
| self.assertEqual(int('281d55i4', 21), 4294967296) |
| self.assertEqual(int('1fj8b184', 22), 4294967296) |
| self.assertEqual(int('1606k7ic', 23), 4294967296) |
| self.assertEqual(int('mb994ag', 24), 4294967296) |
| self.assertEqual(int('hek2mgl', 25), 4294967296) |
| self.assertEqual(int('dnchbnm', 26), 4294967296) |
| self.assertEqual(int('b28jpdm', 27), 4294967296) |
| self.assertEqual(int('8pfgih4', 28), 4294967296) |
| self.assertEqual(int('76beigg', 29), 4294967296) |
| self.assertEqual(int('5qmcpqg', 30), 4294967296) |
| self.assertEqual(int('4q0jto4', 31), 4294967296) |
| self.assertEqual(int('4000000', 32), 4294967296) |
| self.assertEqual(int('3aokq94', 33), 4294967296) |
| self.assertEqual(int('2qhxjli', 34), 4294967296) |
| self.assertEqual(int('2br45qb', 35), 4294967296) |
| self.assertEqual(int('1z141z4', 36), 4294967296) |
| |
| self.assertEqual(int('100000000000000000000000000000001', 2), |
| 4294967297) |
| self.assertEqual(int('102002022201221111212', 3), 4294967297) |
| self.assertEqual(int('10000000000000001', 4), 4294967297) |
| self.assertEqual(int('32244002423142', 5), 4294967297) |
| self.assertEqual(int('1550104015505', 6), 4294967297) |
| self.assertEqual(int('211301422355', 7), 4294967297) |
| self.assertEqual(int('40000000001', 8), 4294967297) |
| self.assertEqual(int('12068657455', 9), 4294967297) |
| self.assertEqual(int('4294967297', 10), 4294967297) |
| self.assertEqual(int('1904440555', 11), 4294967297) |
| self.assertEqual(int('9ba461595', 12), 4294967297) |
| self.assertEqual(int('535a7988a', 13), 4294967297) |
| self.assertEqual(int('2ca5b7465', 14), 4294967297) |
| self.assertEqual(int('1a20dcd82', 15), 4294967297) |
| self.assertEqual(int('100000001', 16), 4294967297) |
| self.assertEqual(int('a7ffda92', 17), 4294967297) |
| self.assertEqual(int('704he7g5', 18), 4294967297) |
| self.assertEqual(int('4f5aff67', 19), 4294967297) |
| self.assertEqual(int('3723ai4h', 20), 4294967297) |
| self.assertEqual(int('281d55i5', 21), 4294967297) |
| self.assertEqual(int('1fj8b185', 22), 4294967297) |
| self.assertEqual(int('1606k7id', 23), 4294967297) |
| self.assertEqual(int('mb994ah', 24), 4294967297) |
| self.assertEqual(int('hek2mgm', 25), 4294967297) |
| self.assertEqual(int('dnchbnn', 26), 4294967297) |
| self.assertEqual(int('b28jpdn', 27), 4294967297) |
| self.assertEqual(int('8pfgih5', 28), 4294967297) |
| self.assertEqual(int('76beigh', 29), 4294967297) |
| self.assertEqual(int('5qmcpqh', 30), 4294967297) |
| self.assertEqual(int('4q0jto5', 31), 4294967297) |
| self.assertEqual(int('4000001', 32), 4294967297) |
| self.assertEqual(int('3aokq95', 33), 4294967297) |
| self.assertEqual(int('2qhxjlj', 34), 4294967297) |
| self.assertEqual(int('2br45qc', 35), 4294967297) |
| self.assertEqual(int('1z141z5', 36), 4294967297) |
| |
| |
| def test_longconversion(self): |
| # Test __long__() |
| class Foo0: |
| def __long__(self): |
| return 42 |
| |
| class Foo1(object): |
| def __long__(self): |
| return 42 |
| |
| class Foo2(int): |
| def __long__(self): |
| return 42 |
| |
| class Foo3(int): |
| def __long__(self): |
| return self |
| |
| class Foo4(int): |
| def __long__(self): |
| return 42 |
| |
| class Foo5(int): |
| def __long__(self): |
| return 42. |
| |
| self.assertEqual(int(Foo0()), 42) |
| self.assertEqual(int(Foo1()), 42) |
| # XXX invokes __int__ now |
| # self.assertEqual(long(Foo2()), 42L) |
| self.assertEqual(int(Foo3()), 0) |
| # XXX likewise |
| # self.assertEqual(long(Foo4()), 42) |
| # self.assertRaises(TypeError, long, Foo5()) |
| |
| def test_map(self): |
| self.assertEqual( |
| list(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( |
| list(map(lambda x: list(map(sqrt, x)), [[16, 4], [81, 9]])), |
| [[4.0, 2.0], [9.0, 3.0]] |
| ) |
| self.assertEqual( |
| list(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( |
| list(map(plus, [1, 3, 7])), |
| [1, 3, 7] |
| ) |
| self.assertEqual( |
| list(map(plus, [1, 3, 7], [4, 9, 2])), |
| [1+4, 3+9, 7+2] |
| ) |
| self.assertEqual( |
| list(map(plus, [1, 3, 7], [4, 9, 2], [1, 1, 0])), |
| [1+4+1, 3+9+1, 7+2+0] |
| ) |
| self.assertEqual( |
| list(map(int, Squares(10))), |
| [0, 1, 4, 9, 16, 25, 36, 49, 64, 81] |
| ) |
| def Max(a, b): |
| if a is None: |
| return b |
| if b is None: |
| return a |
| return max(a, b) |
| self.assertEqual( |
| list(map(Max, Squares(3), Squares(2))), |
| [0, 1] |
| ) |
| self.assertRaises(TypeError, map) |
| self.assertRaises(TypeError, map, lambda x: x, 42) |
| class BadSeq: |
| def __iter__(self): |
| raise ValueError |
| yield None |
| self.assertRaises(ValueError, list, map(lambda x: x, BadSeq())) |
| def badfunc(x): |
| raise RuntimeError |
| self.assertRaises(RuntimeError, list, 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, 2, 3.0), 3.0) |
| self.assertEqual(max(1, 2.0, 3), 3) |
| self.assertEqual(max(1.0, 2, 3), 3) |
| |
| 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, 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, 2, 3.0), 1) |
| self.assertEqual(min(1, 2.0, 3), 1) |
| self.assertEqual(min(1.0, 2, 3), 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(TypeError, 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, 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.assertEquals(next(it, 42), 42) |
| |
| class Iter(object): |
| def __iter__(self): |
| return self |
| def __next__(self): |
| raise StopIteration |
| |
| it = iter(Iter()) |
| self.assertEquals(next(it, 42), 42) |
| self.assertRaises(StopIteration, next, it) |
| |
| def gen(): |
| yield 1 |
| return |
| |
| it = gen() |
| self.assertEquals(next(it), 1) |
| self.assertRaises(StopIteration, next, it) |
| self.assertEquals(next(it, 42), 42) |
| |
| def test_oct(self): |
| self.assertEqual(oct(100), '0o144') |
| self.assertEqual(oct(100), '0o144') |
| self.assertEqual(oct(-100), '-0o144') |
| self.assertEqual(oct(-100), '-0o144') |
| self.assertRaises(TypeError, oct, ()) |
| |
| def write_testfile(self): |
| # NB the first 4 lines are also used to test 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) |
| self.assertEqual(ord('\x80'), 128) |
| self.assertEqual(ord('\xff'), 255) |
| |
| self.assertEqual(ord(b' '), 32) |
| self.assertEqual(ord(b'A'), 65) |
| self.assertEqual(ord(b'a'), 97) |
| self.assertEqual(ord(b'\x80'), 128) |
| self.assertEqual(ord(b'\xff'), 255) |
| |
| self.assertEqual(ord(chr(sys.maxunicode)), sys.maxunicode) |
| self.assertRaises(TypeError, ord, 42) |
| |
| self.assertEqual(ord(chr(0x10FFFF)), 0x10FFFF) |
| self.assertEqual(ord("\U0000FFFF"), 0x0000FFFF) |
| self.assertEqual(ord("\U00010000"), 0x00010000) |
| self.assertEqual(ord("\U00010001"), 0x00010001) |
| self.assertEqual(ord("\U000FFFFE"), 0x000FFFFE) |
| self.assertEqual(ord("\U000FFFFF"), 0x000FFFFF) |
| self.assertEqual(ord("\U00100000"), 0x00100000) |
| self.assertEqual(ord("\U00100001"), 0x00100001) |
| self.assertEqual(ord("\U0010FFFE"), 0x0010FFFE) |
| self.assertEqual(ord("\U0010FFFF"), 0x0010FFFF) |
| |
| 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(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.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, 2, 2.0: |
| for y in 10, 10, 10.0: |
| for z in 1000, 1000, 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.assertAlmostEqual(pow(-1, 0.5), 1j) |
| self.assertAlmostEqual(pow(-1, 1/3), 0.5 + 0.8660254037844386j) |
| |
| self.assertRaises(TypeError, pow, -1, -2, 3) |
| self.assertRaises(ValueError, pow, 1, 2, 0) |
| self.assertRaises(TypeError, pow, -1, -2, 3) |
| self.assertRaises(ValueError, pow, 1, 2, 0) |
| |
| self.assertRaises(TypeError, pow) |
| |
| def test_range(self): |
| self.assertEqual(list(range(3)), [0, 1, 2]) |
| self.assertEqual(list(range(1, 5)), [1, 2, 3, 4]) |
| self.assertEqual(list(range(0)), []) |
| self.assertEqual(list(range(-3)), []) |
| self.assertEqual(list(range(1, 10, 3)), [1, 4, 7]) |
| #self.assertEqual(list(range(5, -5, -3)), [5, 2, -1, -4]) |
| |
| """ XXX(nnorwitz): |
| # Now test range() with longs |
| self.assertEqual(list(range(-2**100)), []) |
| self.assertEqual(list(range(0, -2**100)), []) |
| self.assertEqual(list(range(0, 2**100, -1)), []) |
| self.assertEqual(list(range(0, 2**100, -1)), []) |
| |
| a = int(10 * sys.maxsize) |
| b = int(100 * sys.maxsize) |
| c = int(50 * sys.maxsize) |
| |
| self.assertEqual(list(range(a, a+2)), [a, a+1]) |
| self.assertEqual(list(range(a+2, a, -1)), [a+2, a+1]) |
| self.assertEqual(list(range(a+4, a, -2)), [a+4, a+2]) |
| |
| seq = list(range(a, b, c)) |
| self.assert_(a in seq) |
| self.assert_(b not in seq) |
| self.assertEqual(len(seq), 2) |
| |
| seq = list(range(b, a, -c)) |
| self.assert_(b in seq) |
| self.assert_(a not in seq) |
| self.assertEqual(len(seq), 2) |
| |
| seq = list(range(-a, -b, -c)) |
| self.assert_(-a in seq) |
| self.assert_(-b not in seq) |
| self.assertEqual(len(seq), 2) |
| |
| self.assertRaises(TypeError, range) |
| self.assertRaises(TypeError, range, 1, 2, 3, 4) |
| self.assertRaises(ValueError, range, 1, 2, 0) |
| self.assertRaises(ValueError, range, a, a + 1, int(0)) |
| |
| class badzero(int): |
| def __eq__(self, other): |
| raise RuntimeError |
| __ne__ = __lt__ = __gt__ = __le__ = __ge__ = __eq__ |
| |
| # XXX This won't (but should!) raise RuntimeError if a is an int... |
| self.assertRaises(RuntimeError, range, a, a + 1, badzero(1)) |
| """ |
| |
| # Reject floats when it would require PyLongs to represent. |
| # (smaller floats still accepted, but deprecated) |
| self.assertRaises(TypeError, range, 1e100, 1e101, 1e101) |
| |
| self.assertRaises(TypeError, range, 0, "spam") |
| self.assertRaises(TypeError, range, 0, 42, "spam") |
| |
| #NEAL self.assertRaises(OverflowError, range, -sys.maxsize, sys.maxsize) |
| #NEAL self.assertRaises(OverflowError, range, 0, 2*sys.maxsize) |
| |
| self.assertRaises(OverflowError, len, range(0, sys.maxsize**10)) |
| |
| def test_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(), "1+1") |
| self.assertEqual(input('testing\n'), "1+1") |
| self.assertEqual(input(), 'The quick brown fox jumps over the lazy dog.') |
| self.assertEqual(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 = io.StringIO("NULL\0") |
| self.assertRaises(TypeError, input, 42, 42) |
| sys.stdin = io.StringIO(" 'whitespace'") |
| self.assertEqual(input(), " 'whitespace'") |
| sys.stdin = io.StringIO() |
| self.assertRaises(EOFError, input) |
| |
| 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_repr(self): |
| self.assertEqual(repr(''), '\'\'') |
| self.assertEqual(repr(0), '0') |
| self.assertEqual(repr(0), '0') |
| 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)), int) |
| 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 even / odd rounding behaviour |
| self.assertEqual(round(5.5), 6) |
| self.assertEqual(round(6.5), 6) |
| self.assertEqual(round(-5.5), -6) |
| self.assertEqual(round(-6.5), -6) |
| |
| # Check behavior on ints |
| self.assertEqual(round(0), 0) |
| self.assertEqual(round(8), 8) |
| self.assertEqual(round(-8), -8) |
| self.assertEqual(type(round(0)), int) |
| 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: |
| def __round__(self): |
| return 23 |
| |
| class TestNoRound: |
| pass |
| |
| self.assertEqual(round(TestRound()), 23) |
| |
| self.assertRaises(TypeError, round, 1, 2, 3) |
| self.assertRaises(TypeError, round, TestNoRound()) |
| |
| t = TestNoRound() |
| t.__round__ = lambda *args: args |
| self.assertRaises(TypeError, round, t) |
| self.assertRaises(TypeError, round, t, 0) |
| |
| def test_setattr(self): |
| setattr(sys, 'spam', 1) |
| self.assertEqual(sys.spam, 1) |
| self.assertRaises(TypeError, setattr, sys, 1, 'spam') |
| self.assertRaises(TypeError, setattr) |
| |
| def test_str(self): |
| self.assertEqual(str(''), '') |
| self.assertEqual(str(0), '0') |
| self.assertEqual(str(0), '0') |
| self.assertEqual(str(()), '()') |
| self.assertEqual(str([]), '[]') |
| self.assertEqual(str({}), '{}') |
| a = [] |
| a.append(a) |
| self.assertEqual(str(a), '[[...]]') |
| a = {} |
| a[0] = a |
| self.assertEqual(str(a), '{0: {...}}') |
| |
| def test_sum(self): |
| self.assertEqual(sum([]), 0) |
| self.assertEqual(sum(list(range(2,8))), 27) |
| self.assertEqual(sum(iter(list(range(2,8)))), 27) |
| self.assertEqual(sum(Squares(10)), 285) |
| self.assertEqual(sum(iter(Squares(10))), 285) |
| self.assertEqual(sum([[1], [2], [3]], []), [1, 2, 3]) |
| |
| self.assertRaises(TypeError, sum) |
| self.assertRaises(TypeError, sum, 42) |
| self.assertRaises(TypeError, sum, ['a', 'b', 'c']) |
| self.assertRaises(TypeError, sum, ['a', 'b', 'c'], '') |
| self.assertRaises(TypeError, sum, [[1], [2], [3]]) |
| self.assertRaises(TypeError, sum, [{2:3}]) |
| self.assertRaises(TypeError, sum, [{2:3}]*2, {2:3}) |
| |
| class BadSeq: |
| def __getitem__(self, index): |
| raise ValueError |
| self.assertRaises(ValueError, sum, BadSeq()) |
| |
| def test_tuple(self): |
| self.assertEqual(tuple(()), ()) |
| t0_3 = (0, 1, 2, 3) |
| t0_3_bis = tuple(t0_3) |
| self.assert_(t0_3 is t0_3_bis) |
| self.assertEqual(tuple([]), ()) |
| self.assertEqual(tuple([0, 1, 2, 3]), (0, 1, 2, 3)) |
| self.assertEqual(tuple(''), ()) |
| self.assertEqual(tuple('spam'), ('s', 'p', 'a', 'm')) |
| |
| def test_type(self): |
| self.assertEqual(type(''), type('123')) |
| self.assertNotEqual(type(''), type(())) |
| |
| # We don't want self in vars(), so these are static methods |
| |
| @staticmethod |
| def get_vars_f0(): |
| return vars() |
| |
| @staticmethod |
| def get_vars_f2(): |
| BuiltinTest.get_vars_f0() |
| a = 1 |
| b = 2 |
| return vars() |
| |
| def test_vars(self): |
| self.assertEqual(set(vars()), set(dir())) |
| import sys |
| self.assertEqual(set(vars(sys)), set(dir(sys))) |
| self.assertEqual(self.get_vars_f0(), {}) |
| self.assertEqual(self.get_vars_f2(), {'a': 1, 'b': 2}) |
| self.assertRaises(TypeError, vars, 42, 42) |
| self.assertRaises(TypeError, vars, 42) |
| |
| def test_zip(self): |
| a = (1, 2, 3) |
| b = (4, 5, 6) |
| t = [(1, 4), (2, 5), (3, 6)] |
| self.assertEqual(list(zip(a, b)), t) |
| b = [4, 5, 6] |
| self.assertEqual(list(zip(a, b)), t) |
| b = (4, 5, 6, 7) |
| self.assertEqual(list(zip(a, b)), t) |
| class I: |
| def __getitem__(self, i): |
| if i < 0 or i > 2: raise IndexError |
| return i + 4 |
| self.assertEqual(list(zip(a, I())), t) |
| self.assertEqual(list(zip()), []) |
| self.assertEqual(list(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( |
| list(zip(SequenceWithoutALength(), range(2**30))), |
| list(enumerate(range(5))) |
| ) |
| |
| class BadSeq: |
| def __getitem__(self, i): |
| if i == 5: |
| raise ValueError |
| else: |
| return i |
| self.assertRaises(ValueError, list, zip(BadSeq(), BadSeq())) |
| |
| class TestSorted(unittest.TestCase): |
| |
| def test_basic(self): |
| data = list(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, 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, str] |
| for T in types: |
| self.assertEqual(sorted(s), sorted(T(s))) |
| |
| s = ''.join(set(s)) # unique letters only |
| types = [str, set, frozenset, list, tuple, dict.fromkeys] |
| for T in types: |
| self.assertEqual(sorted(s), sorted(T(s))) |
| |
| def test_baddecorator(self): |
| data = 'The quick Brown fox Jumped over The lazy Dog'.split() |
| self.assertRaises(TypeError, sorted, data, None, lambda x,y: 0) |
| |
| def test_main(verbose=None): |
| test_classes = (BuiltinTest, TestSorted) |
| |
| run_unittest(*test_classes) |
| |
| # verify reference counting |
| if verbose and hasattr(sys, "gettotalrefcount"): |
| import gc |
| counts = [None] * 5 |
| for i in range(len(counts)): |
| run_unittest(*test_classes) |
| gc.collect() |
| counts[i] = sys.gettotalrefcount() |
| print(counts) |
| |
| |
| if __name__ == "__main__": |
| test_main(verbose=True) |