Revision: 3402
http://jython.svn.sourceforge.net/jython/?rev=3402&view=rev
Author: cgroves
Date: 2007-08-06 22:46:03 -0700 (Mon, 06 Aug 2007)
Log Message:
-----------
Copied from http://svn.python.org/projects/python/branches/release23-maint/Lib/test@...>
Added Paths:
-----------
branches/2.3/Lib/test/test_builtin.py
branches/2.3/Lib/test/test_isinstance.py
branches/2.3/Lib/test/test_sys.py
Added: branches/2.3/Lib/test/test_builtin.py
===================================================================
--- branches/2.3/Lib/test/test_builtin.py (rev 0)
+++ branches/2.3/Lib/test/test_builtin.py 2007-08-07 05:46:03 UTC (rev 3402)
@@ -0,0 +1,1161 @@
+# Python test set -- built-in functions
+
+import test.test_support, unittest
+from test.test_support import fcmp, have_unicode, TESTFN, unlink
+from sets import Set
+
+import sys, warnings, cStringIO
+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
+
+L = [
+ ('0', 0),
+ ('1', 1),
+ ('9', 9),
+ ('10', 10),
+ ('99', 99),
+ ('100', 100),
+ ('314', 314),
+ (' 314', 314),
+ ('314 ', 314),
+ (' \t\t 314 \t\t ', 314),
+ (`sys.maxint`, sys.maxint),
+ (' 1x', ValueError),
+ (' 1 ', 1),
+ (' 1\02 ', ValueError),
+ ('', ValueError),
+ (' ', ValueError),
+ (' \t\t ', ValueError)
+]
+if have_unicode:
+ L += [
+ (unicode('0'), 0),
+ (unicode('1'), 1),
+ (unicode('9'), 9),
+ (unicode('10'), 10),
+ (unicode('99'), 99),
+ (unicode('100'), 100),
+ (unicode('314'), 314),
+ (unicode(' 314'), 314),
+ (unicode('\u0663\u0661\u0664 ','raw-unicode-escape'), 314),
+ (unicode(' \t\t 314 \t\t '), 314),
+ (unicode(' 1x'), ValueError),
+ (unicode(' 1 '), 1),
+ (unicode(' 1\02 '), ValueError),
+ (unicode(''), ValueError),
+ (unicode(' '), ValueError),
+ (unicode(' \t\t '), ValueError),
+ (unichr(0x200), ValueError),
+]
+
+class BuiltinTest(unittest.TestCase):
+
+ def test_import(self):
+ __import__('sys')
+ __import__('time')
+ __import__('string')
+ self.assertRaises(ImportError, __import__, 'spamspam')
+ self.assertRaises(TypeError, __import__, 1, 2, 3, 4)
+
+ def test_abs(self):
+ # int
+ self.assertEqual(abs(0), 0)
+ self.assertEqual(abs(1234), 1234)
+ self.assertEqual(abs(-1234), 1234)
+ # float
+ self.assertEqual(abs(0.0), 0.0)
+ self.assertEqual(abs(3.14), 3.14)
+ self.assertEqual(abs(-3.14), 3.14)
+ # long
+ self.assertEqual(abs(0L), 0L)
+ self.assertEqual(abs(1234L), 1234L)
+ self.assertEqual(abs(-1234L), 1234L)
+ # str
+ self.assertRaises(TypeError, abs, 'a')
+
+ def test_apply(self):
+ def f0(*args):
+ self.assertEqual(args, ())
+ def f1(a1):
+ self.assertEqual(a1, 1)
+ def f2(a1, a2):
+ self.assertEqual(a1, 1)
+ self.assertEqual(a2, 2)
+ def f3(a1, a2, a3):
+ self.assertEqual(a1, 1)
+ self.assertEqual(a2, 2)
+ self.assertEqual(a3, 3)
+ apply(f0, ())
+ apply(f1, (1,))
+ apply(f2, (1, 2))
+ apply(f3, (1, 2, 3))
+
+ # A PyCFunction that takes only positional parameters should allow an
+ # empty keyword dictionary to pass without a complaint, but raise a
+ # TypeError if the dictionary is non-empty.
+ apply(id, (1,), {})
+ self.assertRaises(TypeError, apply, id, (1,), {"foo": 1})
+ self.assertRaises(TypeError, apply)
+ self.assertRaises(TypeError, apply, id, 42)
+ self.assertRaises(TypeError, apply, id, (42,), 42)
+
+ def test_callable(self):
+ self.assert_(callable(len))
+ def f(): pass
+ self.assert_(callable(f))
+ class C:
+ def meth(self): pass
+ self.assert_(callable(C))
+ x = C()
+ self.assert_(callable(x.meth))
+ self.assert_(not callable(x))
+ class D(C):
+ def __call__(self): pass
+ y = D()
+ self.assert_(callable(y))
+ y()
+
+ def test_chr(self):
+ self.assertEqual(chr(32), ' ')
+ self.assertEqual(chr(65), 'A')
+ self.assertEqual(chr(97), 'a')
+ self.assertEqual(chr(0xff), '\xff')
+ self.assertRaises(ValueError, chr, 256)
+ self.assertRaises(TypeError, chr)
+
+ def test_cmp(self):
+ self.assertEqual(cmp(-1, 1), -1)
+ self.assertEqual(cmp(1, -1), 1)
+ self.assertEqual(cmp(1, 1), 0)
+ # verify that circular objects are handled
+ a = []; a.append(a)
+ b = []; b.append(b)
+ from UserList import UserList
+ c = UserList(); c.append(c)
+ self.assertEqual(cmp(a, b), 0)
+ self.assertEqual(cmp(b, c), 0)
+ self.assertEqual(cmp(c, a), 0)
+ self.assertEqual(cmp(a, c), 0)
+ # okay, now break the cycles
+ a.pop(); b.pop(); c.pop()
+ self.assertRaises(TypeError, cmp)
+
+ def test_coerce(self):
+ self.assert_(not fcmp(coerce(1, 1.1), (1.0, 1.1)))
+ self.assertEqual(coerce(1, 1L), (1L, 1L))
+ self.assert_(not fcmp(coerce(1L, 1.1), (1.0, 1.1)))
+ self.assertRaises(TypeError, coerce)
+ class BadNumber:
+ def __coerce__(self, other):
+ raise ValueError
+ self.assertRaises(ValueError, coerce, 42, BadNumber())
+ self.assertRaises(OverflowError, coerce, 0.5, int("12345" * 1000))
+
+ def test_compile(self):
+ compile('print 1\n', '', 'exec')
+ bom = '\xef\xbb\xbf'
+ compile(bom + 'print 1\n', '', 'exec')
+ self.assertRaises(TypeError, compile)
+ self.assertRaises(ValueError, compile, 'print 42\n', '<string>', 'badmode')
+ self.assertRaises(ValueError, compile, 'print 42\n', '<string>', 'single', 0xff)
+ if have_unicode:
+ compile(unicode('print u"\xc3\xa5"\n', 'utf8'), '', 'exec')
+
+ def test_delattr(self):
+ import sys
+ sys.spam = 1
+ delattr(sys, 'spam')
+ self.assertRaises(TypeError, delattr)
+
+ def test_dir(self):
+ x = 1
+ self.assert_('x' in dir())
+ import sys
+ self.assert_('modules' in dir(sys))
+ self.assertRaises(TypeError, dir, 42, 42)
+
+ def test_divmod(self):
+ self.assertEqual(divmod(12, 7), (1, 5))
+ self.assertEqual(divmod(-12, 7), (-2, 2))
+ self.assertEqual(divmod(12, -7), (-2, -2))
+ self.assertEqual(divmod(-12, -7), (1, -5))
+
+ self.assertEqual(divmod(12L, 7L), (1L, 5L))
+ self.assertEqual(divmod(-12L, 7L), (-2L, 2L))
+ self.assertEqual(divmod(12L, -7L), (-2L, -2L))
+ self.assertEqual(divmod(-12L, -7L), (1L, -5L))
+
+ self.assertEqual(divmod(12, 7L), (1, 5L))
+ self.assertEqual(divmod(-12, 7L), (-2, 2L))
+ self.assertEqual(divmod(12L, -7), (-2L, -2))
+ self.assertEqual(divmod(-12L, -7), (1L, -5))
+
+ self.assert_(not fcmp(divmod(3.25, 1.0), (3.0, 0.25)))
+ self.assert_(not fcmp(divmod(-3.25, 1.0), (-4.0, 0.75)))
+ self.assert_(not fcmp(divmod(3.25, -1.0), (-4.0, -0.75)))
+ self.assert_(not fcmp(divmod(-3.25, -1.0), (3.0, -0.25)))
+
+ self.assertRaises(TypeError, divmod)
+
+ def test_eval(self):
+ self.assertEqual(eval('1+1'), 2)
+ self.assertEqual(eval(' 1+1\n'), 2)
+ globals = {'a': 1, 'b': 2}
+ locals = {'b': 200, 'c': 300}
+ self.assertEqual(eval('a', globals) , 1)
+ self.assertEqual(eval('a', globals, locals), 1)
+ self.assertEqual(eval('b', globals, locals), 200)
+ self.assertEqual(eval('c', globals, locals), 300)
+ if have_unicode:
+ self.assertEqual(eval(unicode('1+1')), 2)
+ self.assertEqual(eval(unicode(' 1+1\n')), 2)
+ globals = {'a': 1, 'b': 2}
+ locals = {'b': 200, 'c': 300}
+ if have_unicode:
+ self.assertEqual(eval(unicode('a'), globals), 1)
+ self.assertEqual(eval(unicode('a'), globals, locals), 1)
+ self.assertEqual(eval(unicode('b'), globals, locals), 200)
+ self.assertEqual(eval(unicode('c'), globals, locals), 300)
+ bom = '\xef\xbb\xbf'
+ self.assertEqual(eval(bom + 'a', globals, locals), 1)
+ self.assertEqual(eval(unicode('u"\xc3\xa5"', 'utf8'), globals),
+ unicode('\xc3\xa5', 'utf8'))
+ self.assertRaises(TypeError, eval)
+ self.assertRaises(TypeError, eval, ())
+
+ # Done outside of the method test_z to get the correct scope
+ z = 0
+ f = open(TESTFN, 'w')
+ f.write('z = z+1\n')
+ f.write('z = z*2\n')
+ f.close()
+ execfile(TESTFN)
+
+ def test_execfile(self):
+ 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)
+ unlink(TESTFN)
+ self.assertRaises(TypeError, execfile)
+ import os
+ self.assertRaises(IOError, execfile, os.curdir)
+ self.assertRaises(IOError, execfile, "I_dont_exist")
+
+ def test_filter(self):
+ self.assertEqual(filter(lambda c: 'a' <= c <= 'z', 'Hello World'), 'elloorld')
+ self.assertEqual(filter(None, [1, 'hello', [], [3], '', None, 9, 0]), [1, 'hello', [3], 9])
+ self.assertEqual(filter(lambda x: x > 0, [1, -3, 9, 0, 2]), [1, 9, 2])
+ self.assertEqual(filter(None, Squares(10)), [1, 4, 9, 16, 25, 36, 49, 64, 81])
+ self.assertEqual(filter(lambda x: x%2, Squares(10)), [1, 9, 25, 49, 81])
+ def identity(item):
+ return 1
+ filter(identity, Squares(5))
+ self.assertRaises(TypeError, filter)
+ class BadSeq(object):
+ def __getitem__(self, index):
+ if index<4:
+ return 42
+ raise ValueError
+ self.assertRaises(ValueError, filter, lambda x: x, BadSeq())
+ def badfunc():
+ pass
+ self.assertRaises(TypeError, filter, badfunc, range(5))
+
+ # test bltinmodule.c::filtertuple()
+ self.assertEqual(filter(None, (1, 2)), (1, 2))
+ self.assertEqual(filter(lambda x: x>=3, (1, 2, 3, 4)), (3, 4))
+ self.assertRaises(TypeError, filter, 42, (1, 2))
+
+ # test bltinmodule.c::filterstring()
+ self.assertEqual(filter(None, "12"), "12")
+ self.assertEqual(filter(lambda x: x>="3", "1234"), "34")
+ self.assertRaises(TypeError, filter, 42, "12")
+ class badstr(str):
+ def __getitem__(self, index):
+ raise ValueError
+ self.assertRaises(ValueError, filter, lambda x: x >="3", badstr("1234"))
+
+ class badstr2(str):
+ def __getitem__(self, index):
+ return 42
+ self.assertRaises(TypeError, filter, lambda x: x >=42, badstr2("1234"))
+
+ class weirdstr(str):
+ def __getitem__(self, index):
+ return weirdstr(2*str.__getitem__(self, index))
+ self.assertEqual(filter(lambda x: x>="33", weirdstr("1234")), "3344")
+
+ class shiftstr(str):
+ def __getitem__(self, index):
+ return chr(ord(str.__getitem__(self, index))+1)
+ self.assertEqual(filter(lambda x: x>="3", shiftstr("1234")), "345")
+
+ if have_unicode:
+ # test bltinmodule.c::filterunicode()
+ self.assertEqual(filter(None, unicode("12")), unicode("12"))
+ self.assertEqual(filter(lambda x: x>="3", unicode("1234")), unicode("34"))
+ self.assertRaises(TypeError, filter, 42, unicode("12"))
+ self.assertRaises(ValueError, filter, lambda x: x >="3", badstr(unicode("1234")))
+
+ class badunicode(unicode):
+ def __getitem__(self, index):
+ return 42
+ self.assertRaises(TypeError, filter, lambda x: x >=42, badunicode("1234"))
+
+ class weirdunicode(unicode):
+ def __getitem__(self, index):
+ return weirdunicode(2*unicode.__getitem__(self, index))
+ self.assertEqual(
+ filter(lambda x: x>=unicode("33"), weirdunicode("1234")), unicode("3344"))
+
+ class shiftunicode(unicode):
+ def __getitem__(self, index):
+ return unichr(ord(unicode.__getitem__(self, index))+1)
+ self.assertEqual(
+ filter(lambda x: x>=unicode("3"), shiftunicode("1234")),
+ unicode("345")
+ )
+
+ def test_filter_subclasses(self):
+ # test that filter() never returns tuple, str or unicode subclasses
+ # and that the result always goes through __getitem__
+ funcs = (None, bool, lambda x: True)
+ class tuple2(tuple):
+ def __getitem__(self, index):
+ return 2*tuple.__getitem__(self, index)
+ class str2(str):
+ def __getitem__(self, index):
+ return 2*str.__getitem__(self, index)
+ inputs = {
+ tuple2: {(): (), (1, 2, 3): (2, 4, 6)},
+ str2: {"": "", "123": "112233"}
+ }
+ if have_unicode:
+ class unicode2(unicode):
+ def __getitem__(self, index):
+ return 2*unicode.__getitem__(self, index)
+ inputs[unicode2] = {
+ unicode(): unicode(),
+ unicode("123"): unicode("112233")
+ }
+
+ for (cls, inps) in inputs.iteritems():
+ for (inp, exp) in inps.iteritems():
+ # make sure the output goes through __getitem__
+ # even if func is None
+ self.assertEqual(
+ filter(funcs[0], cls(inp)),
+ filter(funcs[1], cls(inp))
+ )
+ for func in funcs:
+ outp = filter(func, cls(inp))
+ self.assertEqual(outp, exp)
+ self.assert_(not isinstance(outp, cls))
+
+ def test_float(self):
+ self.assertEqual(float(3.14), 3.14)
+ self.assertEqual(float(314), 314.0)
+ self.assertEqual(float(314L), 314.0)
+ self.assertEqual(float(" 3.14 "), 3.14)
+ if have_unicode:
+ self.assertEqual(float(unicode(" 3.14 ")), 3.14)
+ self.assertEqual(float(unicode(" \u0663.\u0661\u0664 ",'raw-unicode-escape')), 3.14)
+
+ 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(UnicodeError, getattr, sys, unichr(sys.maxunicode))
+
+ def test_hasattr(self):
+ import sys
+ self.assert_(hasattr(sys, 'stdout'))
+ self.assertRaises(TypeError, hasattr, sys, 1)
+ self.assertRaises(TypeError, hasattr)
+ self.assertRaises(UnicodeError, hasattr, sys, unichr(sys.maxunicode))
+
+ def test_hash(self):
+ hash(None)
+ self.assertEqual(hash(1), hash(1L))
+ self.assertEqual(hash(1), hash(1.0))
+ hash('spam')
+ if have_unicode:
+ self.assertEqual(hash('spam'), hash(unicode('spam')))
+ hash((0,1,2,3))
+ def f(): pass
+ self.assertRaises(TypeError, hash, [])
+ self.assertRaises(TypeError, hash, {})
+
+ def test_hex(self):
+ self.assertEqual(hex(16), '0x10')
+ self.assertEqual(hex(16L), '0x10L')
+ self.assertEqual(len(hex(-1)), len(hex(sys.maxint)))
+ self.assert_(hex(-16) in ('0xfffffff0', '0xfffffffffffffff0'))
+ self.assertEqual(hex(-16L), '-0x10L')
+ self.assertRaises(TypeError, hex, {})
+
+ def test_id(self):
+ id(None)
+ id(1)
+ id(1L)
+ id(1.0)
+ id('spam')
+ id((0,1,2,3))
+ id([0,1,2,3])
+ id({'spam': 1, 'eggs': 2, 'ham': 3})
+
+ # Test input() later, together with raw_input
+
+ def test_int(self):
+ self.assertEqual(int(314), 314)
+ self.assertEqual(int(3.14), 3)
+ self.assertEqual(int(314L), 314)
+ # Check that conversion from float truncates towards zero
+ self.assertEqual(int(-3.14), -3)
+ self.assertEqual(int(3.9), 3)
+ self.assertEqual(int(-3.9), -3)
+ self.assertEqual(int(3.5), 3)
+ self.assertEqual(int(-3.5), -3)
+ # Different base:
+ self.assertEqual(int("10",16), 16L)
+ if have_unicode:
+ self.assertEqual(int(unicode("10"),16), 16L)
+ # Test conversion from strings and various anomalies
+ for s, v in L:
+ for sign in "", "+", "-":
+ for prefix in "", " ", "\t", " \t\t ":
+ ss = prefix + sign + s
+ vv = v
+ if sign == "-" and v is not ValueError:
+ vv = -v
+ try:
+ self.assertEqual(int(ss), vv)
+ except v:
+ pass
+
+ s = `-1-sys.maxint`
+ self.assertEqual(int(s)+1, -sys.maxint)
+ # should return long
+ int(s[1:])
+
+ # should return long
+ x = int(1e100)
+ self.assert_(isinstance(x, long))
+ x = int(-1e100)
+ self.assert_(isinstance(x, long))
+
+
+ # SF bug 434186: 0x80000000/2 != 0x80000000>>1.
+ # Worked by accident in Windows release build, but failed in debug build.
+ # Failed in all Linux builds.
+ x = -1-sys.maxint
+ self.assertEqual(x >> 1, x//2)
+
+ self.assertRaises(ValueError, int, '123\0')
+ self.assertRaises(ValueError, int, '53', 40)
+
+ x = int('1' * 600)
+ self.assert_(isinstance(x, long))
+
+ if have_unicode:
+ x = int(unichr(0x661) * 600)
+ self.assert_(isinstance(x, long))
+
+ self.assertRaises(TypeError, int, 1, 12)
+
+ self.assertEqual(int('0123', 0), 83)
+
+ def test_intern(self):
+ self.assertRaises(TypeError, intern)
+ s = "never interned before"
+ self.assert_(intern(s) is s)
+ s2 = s.swapcase().swapcase()
+ self.assert_(intern(s2) is s)
+
+ def test_iter(self):
+ self.assertRaises(TypeError, iter)
+ self.assertRaises(TypeError, iter, 42, 42)
+ lists = [("1", "2"), ["1", "2"], "12"]
+ if have_unicode:
+ lists.append(unicode("12"))
+ for l in lists:
+ i = iter(l)
+ self.assertEqual(i.next(), '1')
+ self.assertEqual(i.next(), '2')
+ self.assertRaises(StopIteration, i.next)
+
+ def test_isinstance(self):
+ class C:
+ pass
+ class D(C):
+ pass
+ class E:
+ pass
+ c = C()
+ d = D()
+ e = E()
+ self.assert_(isinstance(c, C))
+ self.assert_(isinstance(d, C))
+ self.assert_(not isinstance(e, C))
+ self.assert_(not isinstance(c, D))
+ self.assert_(not isinstance('foo', E))
+ self.assertRaises(TypeError, isinstance, E, 'foo')
+ self.assertRaises(TypeError, isinstance)
+
+ def test_issubclass(self):
+ class C:
+ pass
+ class D(C):
+ pass
+ class E:
+ pass
+ c = C()
+ d = D()
+ e = E()
+ self.assert_(issubclass(D, C))
+ self.assert_(issubclass(C, C))
+ self.assert_(not issubclass(C, D))
+ self.assertRaises(TypeError, issubclass, 'foo', E)
+ self.assertRaises(TypeError, issubclass, E, 'foo')
+ self.assertRaises(TypeError, issubclass)
+
+ def test_len(self):
+ self.assertEqual(len('123'), 3)
+ self.assertEqual(len(()), 0)
+ self.assertEqual(len((1, 2, 3, 4)), 4)
+ self.assertEqual(len([1, 2, 3, 4]), 4)
+ self.assertEqual(len({}), 0)
+ self.assertEqual(len({'a':1, 'b': 2}), 2)
+ class BadSeq:
+ def __len__(self):
+ raise ValueError
+ self.assertRaises(ValueError, len, BadSeq())
+
+ def test_list(self):
+ self.assertEqual(list([]), [])
+ l0_3 = [0, 1, 2, 3]
+ l0_3_bis = list(l0_3)
+ self.assertEqual(l0_3, l0_3_bis)
+ self.assert_(l0_3 is not l0_3_bis)
+ self.assertEqual(list(()), [])
+ self.assertEqual(list((0, 1, 2, 3)), [0, 1, 2, 3])
+ self.assertEqual(list(''), [])
+ self.assertEqual(list('spam'), ['s', 'p', 'a', 'm'])
+
+ if sys.maxint == 0x7fffffff:
+ # This test can currently only work on 32-bit machines.
+ # XXX If/when PySequence_Length() returns a ssize_t, it should be
+ # XXX re-enabled.
+ # Verify clearing of bug #556025.
+ # This assumes that the max data size (sys.maxint) == max
+ # address size this also assumes that the address size is at
+ # least 4 bytes with 8 byte addresses, the bug is not well
+ # tested
+ #
+ # Note: This test is expected to SEGV under Cygwin 1.3.12 or
+ # earlier due to a newlib bug. See the following mailing list
+ # thread for the details:
+
+ # http://sources.redhat.com/ml/newlib/2002/msg00369.html
+ self.assertRaises(MemoryError, list, xrange(sys.maxint // 2))
+
+ def test_long(self):
+ self.assertEqual(long(314), 314L)
+ self.assertEqual(long(3.14), 3L)
+ self.assertEqual(long(314L), 314L)
+ # Check that conversion from float truncates towards zero
+ self.assertEqual(long(-3.14), -3L)
+ self.assertEqual(long(3.9), 3L)
+ self.assertEqual(long(-3.9), -3L)
+ self.assertEqual(long(3.5), 3L)
+ self.assertEqual(long(-3.5), -3L)
+ self.assertEqual(long("-3"), -3L)
+ if have_unicode:
+ self.assertEqual(long(unicode("-3")), -3L)
+ # Different base:
+ self.assertEqual(long("10",16), 16L)
+ if have_unicode:
+ self.assertEqual(long(unicode("10"),16), 16L)
+ # Check conversions from string (same test set as for int(), and then some)
+ LL = [
+ ('1' + '0'*20, 10L**20),
+ ('1' + '0'*100, 10L**100)
+ ]
+ L2 = L[:]
+ if have_unicode:
+ L2 += [
+ (unicode('1') + unicode('0')*20, 10L**20),
+ (unicode('1') + unicode('0')*100, 10L**100),
+ ]
+ for s, v in L2 + LL:
+ for sign in "", "+", "-":
+ for prefix in "", " ", "\t", " \t\t ":
+ ss = prefix + sign + s
+ vv = v
+ if sign == "-" and v is not ValueError:
+ vv = -v
+ try:
+ self.assertEqual(long(ss), long(vv))
+ except v:
+ pass
+
+ self.assertRaises(ValueError, long, '123\0')
+ self.assertRaises(ValueError, long, '53', 40)
+ self.assertRaises(TypeError, long, 1, 12)
+
+ 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 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)
+
+ 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()))
+
+ def test_oct(self):
+ self.assertEqual(oct(100), '0144')
+ self.assertEqual(oct(100L), '0144L')
+ self.assert_(oct(-100) in ('037777777634', '01777777777777777777634'))
+ 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)
+ self.assertRaises(TypeError, ord, unicode("12"))
+
+ def test_pow(self):
+ self.assertEqual(pow(0,0), 1)
+ self.assertEqual(pow(0,1), 0)
+ self.assertEqual(pow(1,0), 1)
+ self.assertEqual(pow(1,1), 1)
+
+ self.assertEqual(pow(2,0), 1)
+ self.assertEqual(pow(2,10), 1024)
+ self.assertEqual(pow(2,20), 1024*1024)
+ self.assertEqual(pow(2,30), 1024*1024*1024)
+
+ self.assertEqual(pow(-2,0), 1)
+ self.assertEqual(pow(-2,1), -2)
+ self.assertEqual(pow(-2,2), 4)
+ self.assertEqual(pow(-2,3), -8)
+
+ self.assertEqual(pow(0L,0), 1)
+ self.assertEqual(pow(0L,1), 0)
+ self.assertEqual(pow(1L,0), 1)
+ self.assertEqual(pow(1L,1), 1)
+
+ self.assertEqual(pow(2L,0), 1)
+ self.assertEqual(pow(2L,10), 1024)
+ self.assertEqual(pow(2L,20), 1024*1024)
+ self.assertEqual(pow(2L,30), 1024*1024*1024)
+
+ self.assertEqual(pow(-2L,0), 1)
+ self.assertEqual(pow(-2L,1), -2)
+ self.assertEqual(pow(-2L,2), 4)
+ self.assertEqual(pow(-2L,3), -8)
+
+ self.assertAlmostEqual(pow(0.,0), 1.)
+ self.assertAlmostEqual(pow(0.,1), 0.)
+ self.assertAlmostEqual(pow(1.,0), 1.)
+ self.assertAlmostEqual(pow(1.,1), 1.)
+
+ self.assertAlmostEqual(pow(2.,0), 1.)
+ self.assertAlmostEqual(pow(2.,10), 1024.)
+ self.assertAlmostEqual(pow(2.,20), 1024.*1024.)
+ self.assertAlmostEqual(pow(2.,30), 1024.*1024.*1024.)
+
+ self.assertAlmostEqual(pow(-2.,0), 1.)
+ self.assertAlmostEqual(pow(-2.,1), -2.)
+ self.assertAlmostEqual(pow(-2.,2), 4.)
+ self.assertAlmostEqual(pow(-2.,3), -8.)
+
+ for x in 2, 2L, 2.0:
+ for y in 10, 10L, 10.0:
+ for z in 1000, 1000L, 1000.0:
+ if isinstance(x, float) or \
+ isinstance(y, float) or \
+ isinstance(z, float):
+ self.assertRaises(TypeError, pow, x, y, z)
+ else:
+ self.assertAlmostEqual(pow(x, y, z), 24.0)
+
+ self.assertRaises(TypeError, pow, -1, -2, 3)
+ self.assertRaises(ValueError, pow, 1, 2, 0)
+ self.assertRaises(TypeError, pow, -1L, -2L, 3L)
+ self.assertRaises(ValueError, pow, 1L, 2L, 0L)
+ self.assertRaises(ValueError, pow, -342.43, 0.234)
+
+ self.assertRaises(TypeError, pow)
+
+ def test_range(self):
+ self.assertEqual(range(3), [0, 1, 2])
+ self.assertEqual(range(1, 5), [1, 2, 3, 4])
+ self.assertEqual(range(0), [])
+ self.assertEqual(range(-3), [])
+ self.assertEqual(range(1, 10, 3), [1, 4, 7])
+ self.assertEqual(range(5, -5, -3), [5, 2, -1, -4])
+
+ # Now test range() with longs
+ self.assertEqual(range(-2**100), [])
+ self.assertEqual(range(0, -2**100), [])
+ self.assertEqual(range(0, 2**100, -1), [])
+ self.assertEqual(range(0, 2**100, -1), [])
+
+ a = long(10 * sys.maxint)
+ b = long(100 * sys.maxint)
+ c = long(50 * sys.maxint)
+
+ self.assertEqual(range(a, a+2), [a, a+1])
+ self.assertEqual(range(a+2, a, -1L), [a+2, a+1])
+ self.assertEqual(range(a+4, a, -2), [a+4, a+2])
+
+ seq = range(a, b, c)
+ self.assert_(a in seq)
+ self.assert_(b not in seq)
+ self.assertEqual(len(seq), 2)
+
+ seq = range(b, a, -c)
+ self.assert_(b in seq)
+ self.assert_(a not in seq)
+ self.assertEqual(len(seq), 2)
+
+ seq = range(-a, -b, -c)
+ self.assert_(-a in seq)
+ self.assert_(-b not in seq)
+ self.assertEqual(len(seq), 2)
+
+ self.assertRaises(TypeError, range)
+ self.assertRaises(TypeError, range, 1, 2, 3, 4)
+ self.assertRaises(ValueError, range, 1, 2, 0)
+
+ # Reject floats when it would require PyLongs to represent.
+ # (smaller floats still accepted, but deprecated)
+ self.assertRaises(TypeError, range, 1e100, 1e101, 1e101)
+
+ self.assertRaises(TypeError, range, 0, "spam")
+ self.assertRaises(TypeError, range, 0, 42, "spam")
+
+ self.assertRaises(OverflowError, range, -sys.maxint, sys.maxint)
+ self.assertRaises(OverflowError, range, 0, 2*sys.maxint)
+
+ def test_input_and_raw_input(self):
+ self.write_testfile()
+ fp = open(TESTFN, 'r')
+ savestdin = sys.stdin
+ savestdout = sys.stdout # Eats the echo
+ try:
+ sys.stdin = fp
+ sys.stdout = BitBucket()
+ self.assertEqual(input(), 2)
+ self.assertEqual(input('testing\n'), 2)
+ self.assertEqual(raw_input(), 'The quick brown fox jumps over the lazy dog.')
+ self.assertEqual(raw_input('testing\n'), 'Dear John')
+ 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)
+ del sys.stdout
+ self.assertRaises(RuntimeError, input, 'prompt')
+ del sys.stdin
+ self.assertRaises(RuntimeError, input, 'prompt')
+ finally:
+ sys.stdin = savestdin
+ sys.stdout = savestdout
+ fp.close()
+ unlink(TESTFN)
+
+ def test_reduce(self):
+ self.assertEqual(reduce(lambda x, y: x+y, ['a', 'b', 'c'], ''), 'abc')
+ self.assertEqual(
+ reduce(lambda x, y: x+y, [['a', 'c'], [], ['d', 'w']], []),
+ ['a','c','d','w']
+ )
+ self.assertEqual(reduce(lambda x, y: x*y, range(2,8), 1), 5040)
+ self.assertEqual(
+ reduce(lambda x, y: x*y, range(2,21), 1L),
+ 2432902008176640000L
+ )
+ self.assertEqual(reduce(lambda x, y: x+y, Squares(10)), 285)
+ self.assertEqual(reduce(lambda x, y: x+y, Squares(10), 0), 285)
+ self.assertEqual(reduce(lambda x, y: x+y, Squares(0), 0), 0)
+ self.assertRaises(TypeError, reduce)
+ self.assertRaises(TypeError, reduce, 42, 42)
+ self.assertRaises(TypeError, reduce, 42, 42, 42)
+ self.assertEqual(reduce(42, "1"), "1") # func is never called with one item
+ self.assertEqual(reduce(42, "", "1"), "1") # func is never called with one item
+ self.assertRaises(TypeError, reduce, 42, (42, 42))
+
+ class BadSeq:
+ def __getitem__(self, index):
+ raise ValueError
+ self.assertRaises(ValueError, reduce, 42, BadSeq())
+
+ def test_reload(self):
+ import marshal
+ reload(marshal)
+ import string
+ reload(string)
+ ## import sys
+ ## self.assertRaises(ImportError, reload, sys)
+
+ def test_repr(self):
+ self.assertEqual(repr(''), '\'\'')
+ self.assertEqual(repr(0), '0')
+ self.assertEqual(repr(0L), '0L')
+ self.assertEqual(repr(()), '()')
+ self.assertEqual(repr([]), '[]')
+ self.assertEqual(repr({}), '{}')
+ a = []
+ a.append(a)
+ self.assertEqual(repr(a), '[[...]]')
+ a = {}
+ a[0] = a
+ self.assertEqual(repr(a), '{0: {...}}')
+
+ def test_round(self):
+ self.assertEqual(round(0.0), 0.0)
+ self.assertEqual(round(1.0), 1.0)
+ self.assertEqual(round(10.0), 10.0)
+ self.assertEqual(round(1000000000.0), 1000000000.0)
+ self.assertEqual(round(1e20), 1e20)
+
+ self.assertEqual(round(-1.0), -1.0)
+ self.assertEqual(round(-10.0), -10.0)
+ self.assertEqual(round(-1000000000.0), -1000000000.0)
+ self.assertEqual(round(-1e20), -1e20)
+
+ self.assertEqual(round(0.1), 0.0)
+ self.assertEqual(round(1.1), 1.0)
+ self.assertEqual(round(10.1), 10.0)
+ self.assertEqual(round(1000000000.1), 1000000000.0)
+
+ self.assertEqual(round(-1.1), -1.0)
+ self.assertEqual(round(-10.1), -10.0)
+ self.assertEqual(round(-1000000000.1), -1000000000.0)
+
+ self.assertEqual(round(0.9), 1.0)
+ self.assertEqual(round(9.9), 10.0)
+ self.assertEqual(round(999999999.9), 1000000000.0)
+
+ self.assertEqual(round(-0.9), -1.0)
+ self.assertEqual(round(-9.9), -10.0)
+ self.assertEqual(round(-999999999.9), -1000000000.0)
+
+ self.assertEqual(round(-8.0, -1), -10.0)
+
+ self.assertRaises(TypeError, round)
+
+ def test_setattr(self):
+ setattr(sys, 'spam', 1)
+ self.assertEqual(sys.spam, 1)
+ self.assertRaises(TypeError, setattr, sys, 1, 'spam')
+ self.assertRaises(TypeError, setattr)
+
+ def test_str(self):
+ self.assertEqual(str(''), '')
+ self.assertEqual(str(0), '0')
+ self.assertEqual(str(0L), '0')
+ self.assertEqual(str(()), '()')
+ self.assertEqual(str([]), '[]')
+ self.assertEqual(str({}), '{}')
+ a = []
+ a.append(a)
+ self.assertEqual(str(a), '[[...]]')
+ a = {}
+ a[0] = a
+ self.assertEqual(str(a), '{0: {...}}')
+
+ def test_sum(self):
+ self.assertEqual(sum([]), 0)
+ self.assertEqual(sum(range(2,8)), 27)
+ self.assertEqual(sum(iter(range(2,8))), 27)
+ self.assertEqual(sum(Squares(10)), 285)
+ self.assertEqual(sum(iter(Squares(10))), 285)
+ self.assertEqual(sum([[1], [2], [3]], []), [1, 2, 3])
+
+ self.assertRaises(TypeError, sum)
+ self.assertRaises(TypeError, sum, 42)
+ self.assertRaises(TypeError, sum, ['a', 'b', 'c'])
+ self.assertRaises(TypeError, sum, ['a', 'b', 'c'], '')
+ self.assertRaises(TypeError, sum, [[1], [2], [3]])
+ self.assertRaises(TypeError, sum, [{2:3}])
+ self.assertRaises(TypeError, sum, [{2:3}]*2, {2:3})
+
+ class BadSeq:
+ def __getitem__(self, index):
+ raise ValueError
+ self.assertRaises(ValueError, sum, BadSeq())
+
+ def test_tuple(self):
+ self.assertEqual(tuple(()), ())
+ t0_3 = (0, 1, 2, 3)
+ t0_3_bis = tuple(t0_3)
+ self.assert_(t0_3 is t0_3_bis)
+ self.assertEqual(tuple([]), ())
+ self.assertEqual(tuple([0, 1, 2, 3]), (0, 1, 2, 3))
+ self.assertEqual(tuple(''), ())
+ self.assertEqual(tuple('spam'), ('s', 'p', 'a', 'm'))
+
+ def test_type(self):
+ self.assertEqual(type(''), type('123'))
+ self.assertNotEqual(type(''), type(()))
+
+ def test_unichr(self):
+ if have_unicode:
+ self.assertEqual(unichr(32), unicode(' '))
+ self.assertEqual(unichr(65), unicode('A'))
+ self.assertEqual(unichr(97), unicode('a'))
+ self.assertEqual(
+ unichr(sys.maxunicode),
+ unicode('\\U%08x' % (sys.maxunicode), 'unicode-escape')
+ )
+ self.assertRaises(ValueError, unichr, sys.maxunicode+1)
+ self.assertRaises(TypeError, unichr)
+
+ def get_vars_f0():
+ return vars()
+ # we don't want self in vars(), so use staticmethod
+ get_vars_f0 = staticmethod(get_vars_f0)
+
+ def get_vars_f2():
+ BuiltinTest.get_vars_f0()
+ a = 1
+ b = 2
+ return vars()
+ get_vars_f2 = staticmethod(get_vars_f2)
+
+ def test_vars(self):
+ self.assertEqual(Set(vars()), Set(dir()))
+ import sys
+ self.assertEqual(Set(vars(sys)), Set(dir(sys)))
+ self.assertEqual(self.get_vars_f0(), {})
+ self.assertEqual(self.get_vars_f2(), {'a': 1, 'b': 2})
+ self.assertRaises(TypeError, vars, 42, 42)
+ self.assertRaises(TypeError, vars, 42)
+
+ def test_zip(self):
+ a = (1, 2, 3)
+ b = (4, 5, 6)
+ t = [(1, 4), (2, 5), (3, 6)]
+ self.assertEqual(zip(a, b), t)
+ b = [4, 5, 6]
+ self.assertEqual(zip(a, b), t)
+ b = (4, 5, 6, 7)
+ self.assertEqual(zip(a, b), t)
+ class I:
+ def __getitem__(self, i):
+ if i < 0 or i > 2: raise IndexError
+ return i + 4
+ self.assertEqual(zip(a, I()), t)
+ self.assertRaises(TypeError, 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_main():
+ test.test_support.run_unittest(BuiltinTest)
+
+if __name__ == "__main__":
+ test_main()
Added: branches/2.3/Lib/test/test_isinstance.py
===================================================================
--- branches/2.3/Lib/test/test_isinstance.py (rev 0)
+++ branches/2.3/Lib/test/test_isinstance.py 2007-08-07 05:46:03 UTC (rev 3402)
@@ -0,0 +1,278 @@
+# Tests some corner cases with isinstance() and issubclass(). While these
+# tests use new style classes and properties, they actually do whitebox
+# testing of error conditions uncovered when using extension types.
+
+import unittest
+from test import test_support
+import sys
+
+
+
+class TestIsInstanceExceptions(unittest.TestCase):
+ # Test to make sure that an AttributeError when accessing the instance's
+ # class's bases is masked. This was actually a bug in Python 2.2 and
+ # 2.2.1 where the exception wasn't caught but it also wasn't being cleared
+ # (leading to an "undetected error" in the debug build). Set up is,
+ # isinstance(inst, cls) where:
+ #
+ # - inst isn't an InstanceType
+ # - cls isn't a ClassType, a TypeType, or a TupleType
+ # - cls has a __bases__ attribute
+ # - inst has a __class__ attribute
+ # - inst.__class__ as no __bases__ attribute
+ #
+ # Sounds complicated, I know, but this mimics a situation where an
+ # extension type raises an AttributeError when its __bases__ attribute is
+ # gotten. In that case, isinstance() should return False.
+ def test_class_has_no_bases(self):
+ class I(object):
+ def getclass(self):
+ # This must return an object that has no __bases__ attribute
+ return None
+ __class__ = property(getclass)
+
+ class C(object):
+ def getbases(self):
+ return ()
+ __bases__ = property(getbases)
+
+ self.assertEqual(False, isinstance(I(), C()))
+
+ # Like above except that inst.__class__.__bases__ raises an exception
+ # other than AttributeError
+ def test_bases_raises_other_than_attribute_error(self):
+ class E(object):
+ def getbases(self):
+ raise RuntimeError
+ __bases__ = property(getbases)
+
+ class I(object):
+ def getclass(self):
+ return E()
+ __class__ = property(getclass)
+
+ class C(object):
+ def getbases(self):
+ return ()
+ __bases__ = property(getbases)
+
+ self.assertRaises(RuntimeError, isinstance, I(), C())
+
+ # Here's a situation where getattr(cls, '__bases__') raises an exception.
+ # If that exception is not AttributeError, it should not get masked
+ def test_dont_mask_non_attribute_error(self):
+ class I: pass
+
+ class C(object):
+ def getbases(self):
+ raise RuntimeError
+ __bases__ = property(getbases)
+
+ self.assertRaises(RuntimeError, isinstance, I(), C())
+
+ # Like above, except that getattr(cls, '__bases__') raises an
+ # AttributeError, which /should/ get masked as a TypeError
+ def test_mask_attribute_error(self):
+ class I: pass
+
+ class C(object):
+ def getbases(self):
+ raise AttributeError
+ __bases__ = property(getbases)
+
+ self.assertRaises(TypeError, isinstance, I(), C())
+
+
+
+# These tests are similar to above, but tickle certain code paths in
+# issubclass() instead of isinstance() -- really PyObject_IsSubclass()
+# vs. PyObject_IsInstance().
+class TestIsSubclassExceptions(unittest.TestCase):
+ def test_dont_mask_non_attribute_error(self):
+ class C(object):
+ def getbases(self):
+ raise RuntimeError
+ __bases__ = property(getbases)
+
+ class S(C): pass
+
+ self.assertRaises(RuntimeError, issubclass, C(), S())
+
+ def test_mask_attribute_error(self):
+ class C(object):
+ def getbases(self):
+ raise AttributeError
+ __bases__ = property(getbases)
+
+ class S(C): pass
+
+ self.assertRaises(TypeError, issubclass, C(), S())
+
+ # Like above, but test the second branch, where the __bases__ of the
+ # second arg (the cls arg) is tested. This means the first arg must
+ # return a valid __bases__, and it's okay for it to be a normal --
+ # unrelated by inheritance -- class.
+ def test_dont_mask_non_attribute_error_in_cls_arg(self):
+ class B: pass
+
+ class C(object):
+ def getbases(self):
+ raise RuntimeError
+ __bases__ = property(getbases)
+
+ self.assertRaises(RuntimeError, issubclass, B, C())
+
+ def test_mask_attribute_error_in_cls_arg(self):
+ class B: pass
+
+ class C(object):
+ def getbases(self):
+ raise AttributeError
+ __bases__ = property(getbases)
+
+ self.assertRaises(TypeError, issubclass, B, C())
+
+
+
+# meta classes for creating abstract classes and instances
+class AbstractClass(object):
+ def __init__(self, bases):
+ self.bases = bases
+
+ def getbases(self):
+ return self.bases
+ __bases__ = property(getbases)
+
+ def __call__(self):
+ return AbstractInstance(self)
+
+class AbstractInstance(object):
+ def __init__(self, klass):
+ self.klass = klass
+
+ def getclass(self):
+ return self.klass
+ __class__ = property(getclass)
+
+# abstract classes
+AbstractSuper = AbstractClass(bases=())
+
+AbstractChild = AbstractClass(bases=(AbstractSuper,))
+
+# normal classes
+class Super:
+ pass
+
+class Child(Super):
+ pass
+
+# new-style classes
+class NewSuper(object):
+ pass
+
+class NewChild(NewSuper):
+ pass
+
+
+
+class TestIsInstanceIsSubclass(unittest.TestCase):
+ # Tests to ensure that isinstance and issubclass work on abstract
+ # classes and instances. Before the 2.2 release, TypeErrors were
+ # raised when boolean values should have been returned. The bug was
+ # triggered by mixing 'normal' classes and instances were with
+ # 'abstract' classes and instances. This case tries to test all
+ # combinations.
+
+ def test_isinstance_normal(self):
+ # normal instances
+ self.assertEqual(True, isinstance(Super(), Super))
+ self.assertEqual(False, isinstance(Super(), Child))
+ self.assertEqual(False, isinstance(Super(), AbstractSuper))
+ self.assertEqual(False, isinstance(Super(), AbstractChild))
+
+ self.assertEqual(True, isinstance(Child(), Super))
+ self.assertEqual(False, isinstance(Child(), AbstractSuper))
+
+ def test_isinstance_abstract(self):
+ # abstract instances
+ self.assertEqual(True, isinstance(AbstractSuper(), AbstractSuper))
+ self.assertEqual(False, isinstance(AbstractSuper(), AbstractChild))
+ self.assertEqual(False, isinstance(AbstractSuper(), Super))
+ self.assertEqual(False, isinstance(AbstractSuper(), Child))
+
+ self.assertEqual(True, isinstance(AbstractChild(), AbstractChild))
+ self.assertEqual(True, isinstance(AbstractChild(), AbstractSuper))
+ self.assertEqual(False, isinstance(AbstractChild(), Super))
+ self.assertEqual(False, isinstance(AbstractChild(), Child))
+
+ def test_subclass_normal(self):
+ # normal classes
+ self.assertEqual(True, issubclass(Super, Super))
+ self.assertEqual(False, issubclass(Super, AbstractSuper))
+ self.assertEqual(False, issubclass(Super, Child))
+
+ self.assertEqual(True, issubclass(Child, Child))
+ self.assertEqual(True, issubclass(Child, Super))
+ self.assertEqual(False, issubclass(Child, AbstractSuper))
+
+ def test_subclass_abstract(self):
+ # abstract classes
+ self.assertEqual(True, issubclass(AbstractSuper, AbstractSuper))
+ self.assertEqual(False, issubclass(AbstractSuper, AbstractChild))
+ self.assertEqual(False, issubclass(AbstractSuper, Child))
+
+ self.assertEqual(True, issubclass(AbstractChild, AbstractChild))
+ self.assertEqual(True, issubclass(AbstractChild, AbstractSuper))
+ self.assertEqual(False, issubclass(AbstractChild, Super))
+ self.assertEqual(False, issubclass(AbstractChild, Child))
+
+ def test_subclass_tuple(self):
+ # test with a tuple as the second argument classes
+ self.assertEqual(True, issubclass(Child, (Child,)))
+ self.assertEqual(True, issubclass(Child, (Super,)))
+ self.assertEqual(False, issubclass(Super, (Child,)))
+ self.assertEqual(True, issubclass(Super, (Child, Super)))
+ self.assertEqual(False, issubclass(Child, ()))
+ self.assertEqual(True, issubclass(Super, (Child, (Super,))))
+
+ self.assertEqual(True, issubclass(NewChild, (NewChild,)))
+ self.assertEqual(True, issubclass(NewChild, (NewSuper,)))
+ self.assertEqual(False, issubclass(NewSuper, (NewChild,)))
+ self.assertEqual(True, issubclass(NewSuper, (NewChild, NewSuper)))
+ self.assertEqual(False, issubclass(NewChild, ()))
+ self.assertEqual(True, issubclass(NewSuper, (NewChild, (NewSuper,))))
+
+ self.assertEqual(True, issubclass(int, (long, (float, int))))
+ self.assertEqual(True, issubclass(str, (unicode, (Child, NewChild, basestring))))
+
+ def test_subclass_recursion_limit(self):
+ # make sure that issubclass raises RuntimeError before the C stack is
+ # blown
+ self.assertRaises(RuntimeError, blowstack, issubclass, str, str)
+
+ def test_isinstance_recursion_limit(self):
+ # make sure that issubclass raises RuntimeError before the C stack is
+ # blown
+ self.assertRaises(RuntimeError, blowstack, isinstance, '', str)
+
+def blowstack(fxn, arg, compare_to):
+ # Make sure that calling isinstance with a deeply nested tuple for its
+ # argument will raise RuntimeError eventually.
+ tuple_arg = (compare_to,)
+ for cnt in xrange(sys.getrecursionlimit()+5):
+ tuple_arg = (tuple_arg,)
+ fxn(arg, tuple_arg)
+
+
+
+
+def test_main():
+ test_support.run_unittest(
+ TestIsInstanceExceptions,
+ TestIsSubclassExceptions,
+ TestIsInstanceIsSubclass
+ )
+
+
+if __name__ == '__main__':
+ test_main()
Added: branches/2.3/Lib/test/test_sys.py
===================================================================
--- branches/2.3/Lib/test/test_sys.py (rev 0)
+++ branches/2.3/Lib/test/test_sys.py 2007-08-07 05:46:03 UTC (rev 3402)
@@ -0,0 +1,255 @@
+# -*- coding: iso-8859-1 -*-
+import unittest, test.test_support
+import sys, cStringIO
+
+class SysModuleTest(unittest.TestCase):
+
+ def test_original_displayhook(self):
+ import __builtin__
+ savestdout = sys.stdout
+ out = cStringIO.StringIO()
+ sys.stdout = out
+
+ dh = sys.__displayhook__
+
+ self.assertRaises(TypeError, dh)
+ if hasattr(__builtin__, "_"):
+ del __builtin__._
+
+ dh(None)
+ self.assertEqual(out.getvalue(), "")
+ self.assert_(not hasattr(__builtin__, "_"))
+ dh(42)
+ self.assertEqual(out.getvalue(), "42\n")
+ self.assertEqual(__builtin__._, 42)
+
+ del sys.stdout
+ self.assertRaises(RuntimeError, dh, 42)
+
+ sys.stdout = savestdout
+
+ def test_lost_displayhook(self):
+ olddisplayhook = sys.displayhook
+ del sys.displayhook
+ code = compile("42", "<string>", "single")
+ self.assertRaises(RuntimeError, eval, code)
+ sys.displayhook = olddisplayhook
+
+ def test_custom_displayhook(self):
+ olddisplayhook = sys.displayhook
+ def baddisplayhook(obj):
+ raise ValueError
+ sys.displayhook = baddisplayhook
+ code = compile("42", "<string>", "single")
+ self.assertRaises(ValueError, eval, code)
+ sys.displayhook = olddisplayhook
+
+ def test_original_excepthook(self):
+ savestderr = sys.stderr
+ err = cStringIO.StringIO()
+ sys.stderr = err
+
+ eh = sys.__excepthook__
+
+ self.assertRaises(TypeError, eh)
+ try:
+ raise ValueError(42)
+ except ValueError, exc:
+ eh(*sys.exc_info())
+
+ sys.stderr = savestderr
+ self.assert_(err.getvalue().endswith("ValueError: 42\n"))
+
+ # FIXME: testing the code for a lost or replaced excepthook in
+ # Python/pythonrun.c::PyErr_PrintEx() is tricky.
+
+ def test_exc_clear(self):
+ self.assertRaises(TypeError, sys.exc_clear, 42)
+
+ # Verify that exc_info is present and matches exc, then clear it, and
+ # check that it worked.
+ def clear_check(exc):
+ typ, value, traceback = sys.exc_info()
+ self.assert_(typ is not None)
+ self.assert_(value is exc)
+ self.assert_(traceback is not None)
+
+ sys.exc_clear()
+
+ typ, value, traceback = sys.exc_info()
+ self.assert_(typ is None)
+ self.assert_(value is None)
+ self.assert_(traceback is None)
+
+ def clear():
+ try:
+ raise ValueError, 42
+ except ValueError, exc:
+ clear_check(exc)
+
+ # Raise an exception and check that it can be cleared
+ clear()
+
+ # Verify that a frame currently handling an exception is
+ # unaffected by calling exc_clear in a nested frame.
+ try:
+ raise ValueError, 13
+ except ValueError, exc:
+ typ1, value1, traceback1 = sys.exc_info()
+ clear()
+ typ2, value2, traceback2 = sys.exc_info()
+
+ self.assert_(typ1 is typ2)
+ self.assert_(value1 is exc)
+ self.assert_(value1 is value2)
+ self.assert_(traceback1 is traceback2)
+
+ # Check that an exception can be cleared outside of an except block
+ clear_check(exc)
+
+ def test_exit(self):
+ self.assertRaises(TypeError, sys.exit, 42, 42)
+
+ # call without argument
+ try:
+ sys.exit(0)
+ except SystemExit, exc:
+ self.assertEquals(exc.code, 0)
+ except:
+ self.fail("wrong exception")
+ else:
+ self.fail("no exception")
+
+ # call with tuple argument with one entry
+ # entry will be unpacked
+ try:
+ sys.exit(42)
+ except SystemExit, exc:
+ self.assertEquals(exc.code, 42)
+ except:
+ self.fail("wrong exception")
+ else:
+ self.fail("no exception")
+
+ # call with integer argument
+ try:
+ sys.exit((42,))
+ except SystemExit, exc:
+ self.assertEquals(exc.code, 42)
+ except:
+ self.fail("wrong exception")
+ else:
+ self.fail("no exception")
+
+ # call with string argument
+ try:
+ sys.exit("exit")
+ except SystemExit, exc:
+ self.assertEquals(exc.code, "exit")
+ except:
+ self.fail("wrong exception")
+ else:
+ self.fail("no exception")
+
+ # call with tuple argument with two entries
+ try:
+ sys.exit((17, 23))
+ except SystemExit, exc:
+ self.assertEquals(exc.code, (17, 23))
+ except:
+ self.fail("wrong exception")
+ else:
+ self.fail("no exception")
+
+ def test_getdefaultencoding(self):
+ if test.test_support.have_unicode:
+ self.assertRaises(TypeError, sys.getdefaultencoding, 42)
+ # can't check more than the type, as the user might have changed it
+ self.assert_(isinstance(sys.getdefaultencoding(), str))
+
+ # testing sys.settrace() is done in test_trace.py
+ # testing sys.setprofile() is done in test_profile.py
+
+ def test_setcheckinterval(self):
+ self.assertRaises(TypeError, sys.setcheckinterval)
+ orig = sys.getcheckinterval()
+ for n in 0, 100, 120, orig: # orig last to restore starting state
+ sys.setcheckinterval(n)
+ self.assertEquals(sys.getcheckinterval(), n)
+
+ def test_recursionlimit(self):
+ self.assertRaises(TypeError, sys.getrecursionlimit, 42)
+ oldlimit = sys.getrecursionlimit()
+ self.assertRaises(TypeError, sys.setrecursionlimit)
+ self.assertRaises(ValueError, sys.setrecursionlimit, -42)
+ sys.setrecursionlimit(10000)
+ self.assertEqual(sys.getrecursionlimit(), 10000)
+ sys.setrecursionlimit(oldlimit)
+
+ def test_getwindowsversion(self):
+ if hasattr(sys, "getwindowsversion"):
+ v = sys.getwindowsversion()
+ self.assert_(isinstance(v, tuple))
+ self.assertEqual(len(v), 5)
+ self.assert_(isinstance(v[0], int))
+ self.assert_(isinstance(v[1], int))
+ self.assert_(isinstance(v[2], int))
+ self.assert_(isinstance(v[3], int))
+ self.assert_(isinstance(v[4], str))
+
+ def test_dlopenflags(self):
+ if hasattr(sys, "setdlopenflags"):
+ self.assert_(hasattr(sys, "getdlopenflags"))
+ self.assertRaises(TypeError, sys.getdlopenflags, 42)
+ oldflags = sys.getdlopenflags()
+ self.assertRaises(TypeError, sys.setdlopenflags)
+ sys.setdlopenflags(oldflags+1)
+ self.assertEqual(sys.getdlopenflags(), oldflags+1)
+ sys.setdlopenflags(oldflags)
+
+ def test_refcount(self):
+ self.assertRaises(TypeError, sys.getrefcount)
+ c = sys.getrefcount(None)
+ n = None
+ self.assertEqual(sys.getrefcount(None), c+1)
+ del n
+ self.assertEqual(sys.getrefcount(None), c)
+ if hasattr(sys, "gettotalrefcount"):
+ self.assert_(isinstance(sys.gettotalrefcount(), int))
+
+ def test_getframe(self):
+ self.assertRaises(TypeError, sys._getframe, 42, 42)
+ self.assertRaises(ValueError, sys._getframe, 2000000000)
+ self.assert_(
+ SysModuleTest.test_getframe.im_func.func_code \
+ is sys._getframe().f_code
+ )
+
+ def test_attributes(self):
+ self.assert_(isinstance(sys.api_version, int))
+ self.assert_(isinstance(sys.argv, list))
+ self.assert_(sys.byteorder in ("little", "big"))
+ self.assert_(isinstance(sys.builtin_module_names, tuple))
+ self.assert_(isinstance(sys.copyright, basestring))
+ self.assert_(isinstance(sys.exec_prefix, basestring))
+ self.assert_(isinstance(sys.executable, basestring))
+ self.assert_(isinstance(sys.hexversion, int))
+ self.assert_(isinstance(sys.maxint, int))
+ self.assert_(isinstance(sys.maxunicode, int))
+ self.assert_(isinstance(sys.platform, basestring))
+ self.assert_(isinstance(sys.prefix, basestring))
+ self.assert_(isinstance(sys.version, basestring))
+ vi = sys.version_info
+ self.assert_(isinstance(vi, tuple))
+ self.assertEqual(len(vi), 5)
+ self.assert_(isinstance(vi[0], int))
+ self.assert_(isinstance(vi[1], int))
+ self.assert_(isinstance(vi[2], int))
+ self.assert_(vi[3] in ("alpha", "beta", "candidate", "final"))
+ self.assert_(isinstance(vi[4], int))
+
+def test_main():
+ test.test_support.run_unittest(SysModuleTest)
+
+if __name__ == "__main__":
+ test_main()
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