# Python test set -- part 6, built-in types from test.test_support import * print '6. Built-in types' print '6.1 Truth value testing' if None: raise TestFailed, 'None is true instead of false' if 0: raise TestFailed, '0 is true instead of false' if 0L: raise TestFailed, '0L is true instead of false' if 0.0: raise TestFailed, '0.0 is true instead of false' if '': raise TestFailed, '\'\' is true instead of false' if {}: raise TestFailed, '{} is true instead of false' if not 1: raise TestFailed, '1 is false instead of true' if not 1L: raise TestFailed, '1L is false instead of true' if not 1.0: raise TestFailed, '1.0 is false instead of true' if not 'x': raise TestFailed, '\'x\' is false instead of true' if not {'x': 1}: raise TestFailed, '{\'x\': 1} is false instead of true' def f(): pass class C: pass import sys x = C() if not f: raise TestFailed, 'f is false instead of true' if not C: raise TestFailed, 'C is false instead of true' if not sys: raise TestFailed, 'sys is false instead of true' if not x: raise TestFailed, 'x is false instead of true' print '6.2 Boolean operations' if 0 or 0: raise TestFailed, '0 or 0 is true instead of false' if 1 and 1: pass else: raise TestFailed, '1 and 1 is false instead of false' if not 1: raise TestFailed, 'not 1 is true instead of false' print '6.3 Comparisons' if 0 < 1 <= 1 == 1 >= 1 > 0 != 1: pass else: raise TestFailed, 'int comparisons failed' if 0L < 1L <= 1L == 1L >= 1L > 0L != 1L: pass else: raise TestFailed, 'long int comparisons failed' if 0.0 < 1.0 <= 1.0 == 1.0 >= 1.0 > 0.0 != 1.0: pass else: raise TestFailed, 'float comparisons failed' if '' < 'a' <= 'a' == 'a' < 'abc' < 'abd' < 'b': pass else: raise TestFailed, 'string comparisons failed' if None is None: pass else: raise TestFailed, 'identity test failed' try: float('') except ValueError: pass else: raise TestFailed, "float('') didn't raise ValueError" try: float('5\0') except ValueError: pass else: raise TestFailed, "float('5\0') didn't raise ValueError" try: 5.0 / 0.0 except ZeroDivisionError: pass else: raise TestFailed, "5.0 / 0.0 didn't raise ZeroDivisionError" try: 5.0 // 0.0 except ZeroDivisionError: pass else: raise TestFailed, "5.0 // 0.0 didn't raise ZeroDivisionError" try: 5.0 % 0.0 except ZeroDivisionError: pass else: raise TestFailed, "5.0 % 0.0 didn't raise ZeroDivisionError" try: 5 / 0L except ZeroDivisionError: pass else: raise TestFailed, "5 / 0L didn't raise ZeroDivisionError" try: 5 // 0L except ZeroDivisionError: pass else: raise TestFailed, "5 // 0L didn't raise ZeroDivisionError" try: 5 % 0L except ZeroDivisionError: pass else: raise TestFailed, "5 % 0L didn't raise ZeroDivisionError" print '6.4 Numeric types (mostly conversions)' if 0 != 0L or 0 != 0.0 or 0L != 0.0: raise TestFailed, 'mixed comparisons' if 1 != 1L or 1 != 1.0 or 1L != 1.0: raise TestFailed, 'mixed comparisons' if -1 != -1L or -1 != -1.0 or -1L != -1.0: raise TestFailed, 'int/long/float value not equal' # calling built-in types without argument must return 0 if int() != 0: raise TestFailed, 'int() does not return 0' if long() != 0L: raise TestFailed, 'long() does not return 0L' if float() != 0.0: raise TestFailed, 'float() does not return 0.0' if int(1.9) == 1 == int(1.1) and int(-1.1) == -1 == int(-1.9): pass else: raise TestFailed, 'int() does not round properly' if long(1.9) == 1L == long(1.1) and long(-1.1) == -1L == long(-1.9): pass else: raise TestFailed, 'long() does not round properly' if float(1) == 1.0 and float(-1) == -1.0 and float(0) == 0.0: pass else: raise TestFailed, 'float() does not work properly' print '6.4.1 32-bit integers' if 12 + 24 != 36: raise TestFailed, 'int op' if 12 + (-24) != -12: raise TestFailed, 'int op' if (-12) + 24 != 12: raise TestFailed, 'int op' if (-12) + (-24) != -36: raise TestFailed, 'int op' if not 12 < 24: raise TestFailed, 'int op' if not -24 < -12: raise TestFailed, 'int op' # Test for a particular bug in integer multiply xsize, ysize, zsize = 238, 356, 4 if not (xsize*ysize*zsize == zsize*xsize*ysize == 338912): raise TestFailed, 'int mul commutativity' # And another. m = -sys.maxint - 1 for divisor in 1, 2, 4, 8, 16, 32: j = m // divisor prod = divisor * j if prod != m: raise TestFailed, "%r * %r == %r != %r" % (divisor, j, prod, m) if type(prod) is not int: raise TestFailed, ("expected type(prod) to be int, not %r" % type(prod)) # Check for expected * overflow to long. for divisor in 1, 2, 4, 8, 16, 32: j = m // divisor - 1 prod = divisor * j if type(prod) is not long: raise TestFailed, ("expected type(%r) to be long, not %r" % (prod, type(prod))) # Check for expected * overflow to long. m = sys.maxint for divisor in 1, 2, 4, 8, 16, 32: j = m // divisor + 1 prod = divisor * j if type(prod) is not long: raise TestFailed, ("expected type(%r) to be long, not %r" % (prod, type(prod))) print '6.4.2 Long integers' if 12L + 24L != 36L: raise TestFailed, 'long op' if 12L + (-24L) != -12L: raise TestFailed, 'long op' if (-12L) + 24L != 12L: raise TestFailed, 'long op' if (-12L) + (-24L) != -36L: raise TestFailed, 'long op' if not 12L < 24L: raise TestFailed, 'long op' if not -24L < -12L: raise TestFailed, 'long op' x = sys.maxint if int(long(x)) != x: raise TestFailed, 'long op' try: y = int(long(x)+1L) except OverflowError: raise TestFailed, 'long op' if not isinstance(y, long): raise TestFailed, 'long op' x = -x if int(long(x)) != x: raise TestFailed, 'long op' x = x-1 if int(long(x)) != x: raise TestFailed, 'long op' try: y = int(long(x)-1L) except OverflowError: raise TestFailed, 'long op' if not isinstance(y, long): raise TestFailed, 'long op' try: 5 << -5 except ValueError: pass else: raise TestFailed, 'int negative shift <<' try: 5L << -5L except ValueError: pass else: raise TestFailed, 'long negative shift <<' try: 5 >> -5 except ValueError: pass else: raise TestFailed, 'int negative shift >>' try: 5L >> -5L except ValueError: pass else: raise TestFailed, 'long negative shift >>' print '6.4.3 Floating point numbers' if 12.0 + 24.0 != 36.0: raise TestFailed, 'float op' if 12.0 + (-24.0) != -12.0: raise TestFailed, 'float op' if (-12.0) + 24.0 != 12.0: raise TestFailed, 'float op' if (-12.0) + (-24.0) != -36.0: raise TestFailed, 'float op' if not 12.0 < 24.0: raise TestFailed, 'float op' if not -24.0 < -12.0: raise TestFailed, 'float op' print '6.5 Sequence types' print '6.5.1 Strings' if len('') != 0: raise TestFailed, 'len(\'\')' if len('a') != 1: raise TestFailed, 'len(\'a\')' if len('abcdef') != 6: raise TestFailed, 'len(\'abcdef\')' if 'xyz' + 'abcde' != 'xyzabcde': raise TestFailed, 'string concatenation' if 'xyz'*3 != 'xyzxyzxyz': raise TestFailed, 'string repetition *3' if 0*'abcde' != '': raise TestFailed, 'string repetition 0*' if min('abc') != 'a' or max('abc') != 'c': raise TestFailed, 'min/max string' if 'a' in 'abc' and 'b' in 'abc' and 'c' in 'abc' and 'd' not in 'abc': pass else: raise TestFailed, 'in/not in string' x = 'x'*103 if '%s!'%x != x+'!': raise TestFailed, 'nasty string formatting bug' #extended slices for strings a = '0123456789' vereq(a[::], a) vereq(a[::2], '02468') vereq(a[1::2], '13579') vereq(a[::-1],'9876543210') vereq(a[::-2], '97531') vereq(a[3::-2], '31') vereq(a[-100:100:], a) vereq(a[100:-100:-1], a[::-1]) vereq(a[-100L:100L:2L], '02468') if have_unicode: a = unicode('0123456789', 'ascii') vereq(a[::], a) vereq(a[::2], unicode('02468', 'ascii')) vereq(a[1::2], unicode('13579', 'ascii')) vereq(a[::-1], unicode('9876543210', 'ascii')) vereq(a[::-2], unicode('97531', 'ascii')) vereq(a[3::-2], unicode('31', 'ascii')) vereq(a[-100:100:], a) vereq(a[100:-100:-1], a[::-1]) vereq(a[-100L:100L:2L], unicode('02468', 'ascii')) print '6.5.2 Tuples [see test_tuple.py]' print '6.5.3 Lists [see test_list.py]' print '6.6 Mappings == Dictionaries' # calling built-in types without argument must return empty if dict() != {}: raise TestFailed,'dict() does not return {}' d = {} if d.keys() != []: raise TestFailed, '{}.keys()' if d.values() != []: raise TestFailed, '{}.values()' if d.items() != []: raise TestFailed, '{}.items()' if d.has_key('a') != 0: raise TestFailed, '{}.has_key(\'a\')' if ('a' in d) != 0: raise TestFailed, "'a' in {}" if ('a' not in d) != 1: raise TestFailed, "'a' not in {}" if len(d) != 0: raise TestFailed, 'len({})' d = {'a': 1, 'b': 2} if len(d) != 2: raise TestFailed, 'len(dict)' k = d.keys() k.sort() if k != ['a', 'b']: raise TestFailed, 'dict keys()' if d.has_key('a') and d.has_key('b') and not d.has_key('c'): pass else: raise TestFailed, 'dict keys()' if 'a' in d and 'b' in d and 'c' not in d: pass else: raise TestFailed, 'dict keys() # in/not in version' if d['a'] != 1 or d['b'] != 2: raise TestFailed, 'dict item' d['c'] = 3 d['a'] = 4 if d['c'] != 3 or d['a'] != 4: raise TestFailed, 'dict item assignment' del d['b'] if d != {'a': 4, 'c': 3}: raise TestFailed, 'dict item deletion' # dict.clear() d = {1:1, 2:2, 3:3} d.clear() if d != {}: raise TestFailed, 'dict clear' # dict.update() d.update({1:100}) d.update({2:20}) d.update({1:1, 2:2, 3:3}) if d != {1:1, 2:2, 3:3}: raise TestFailed, 'dict update' d.clear() try: d.update(None) except AttributeError: pass else: raise TestFailed, 'dict.update(None), AttributeError expected' class SimpleUserDict: def __init__(self): self.d = {1:1, 2:2, 3:3} def keys(self): return self.d.keys() def __getitem__(self, i): return self.d[i] d.update(SimpleUserDict()) if d != {1:1, 2:2, 3:3}: raise TestFailed, 'dict.update(instance)' d.clear() class FailingUserDict: def keys(self): raise ValueError try: d.update(FailingUserDict()) except ValueError: pass else: raise TestFailed, 'dict.keys() expected ValueError' class FailingUserDict: def keys(self): class BogonIter: def __iter__(self): raise ValueError return BogonIter() try: d.update(FailingUserDict()) except ValueError: pass else: raise TestFailed, 'iter(dict.keys()) expected ValueError' class FailingUserDict: def keys(self): class BogonIter: def __init__(self): self.i = 1 def __iter__(self): return self def next(self): if self.i: self.i = 0 return 'a' raise ValueError return BogonIter() def __getitem__(self, key): return key try: d.update(FailingUserDict()) except ValueError: pass else: raise TestFailed, 'iter(dict.keys()).next() expected ValueError' class FailingUserDict: def keys(self): class BogonIter: def __init__(self): self.i = ord('a') def __iter__(self): return self def next(self): if self.i <= ord('z'): rtn = chr(self.i) self.i += 1 return rtn raise StopIteration return BogonIter() def __getitem__(self, key): raise ValueError try: d.update(FailingUserDict()) except ValueError: pass else: raise TestFailed, 'dict.update(), __getitem__ expected ValueError' # dict.fromkeys() if dict.fromkeys('abc') != {'a':None, 'b':None, 'c':None}: raise TestFailed, 'dict.fromkeys did not work as a class method' d = {} if d.fromkeys('abc') is d: raise TestFailed, 'dict.fromkeys did not return a new dict' if d.fromkeys('abc') != {'a':None, 'b':None, 'c':None}: raise TestFailed, 'dict.fromkeys failed with default value' if d.fromkeys((4,5),0) != {4:0, 5:0}: raise TestFailed, 'dict.fromkeys failed with specified value' if d.fromkeys([]) != {}: raise TestFailed, 'dict.fromkeys failed with null sequence' def g(): yield 1 if d.fromkeys(g()) != {1:None}: raise TestFailed, 'dict.fromkeys failed with a generator' try: {}.fromkeys(3) except TypeError: pass else: raise TestFailed, 'dict.fromkeys failed to raise TypeError' class dictlike(dict): pass if dictlike.fromkeys('a') != {'a':None}: raise TestFailed, 'dictsubclass.fromkeys did not inherit' if dictlike().fromkeys('a') != {'a':None}: raise TestFailed, 'dictsubclass.fromkeys did not inherit' if type(dictlike.fromkeys('a')) is not dictlike: raise TestFailed, 'dictsubclass.fromkeys created wrong type' if type(dictlike().fromkeys('a')) is not dictlike: raise TestFailed, 'dictsubclass.fromkeys created wrong type' from UserDict import UserDict class mydict(dict): def __new__(cls): return UserDict() ud = mydict.fromkeys('ab') if ud != {'a':None, 'b':None} or not isinstance(ud,UserDict): raise TestFailed, 'fromkeys did not instantiate using __new__' # dict.copy() d = {1:1, 2:2, 3:3} if d.copy() != {1:1, 2:2, 3:3}: raise TestFailed, 'dict copy' if {}.copy() != {}: raise TestFailed, 'empty dict copy' # dict.get() d = {} if d.get('c') is not None: raise TestFailed, 'missing {} get, no 2nd arg' if d.get('c', 3) != 3: raise TestFailed, 'missing {} get, w/ 2nd arg' d = {'a' : 1, 'b' : 2} if d.get('c') is not None: raise TestFailed, 'missing dict get, no 2nd arg' if d.get('c', 3) != 3: raise TestFailed, 'missing dict get, w/ 2nd arg' if d.get('a') != 1: raise TestFailed, 'present dict get, no 2nd arg' if d.get('a', 3) != 1: raise TestFailed, 'present dict get, w/ 2nd arg' # dict.setdefault() d = {} if d.setdefault('key0') is not None: raise TestFailed, 'missing {} setdefault, no 2nd arg' if d.setdefault('key0') is not None: raise TestFailed, 'present {} setdefault, no 2nd arg' d.setdefault('key', []).append(3) if d['key'][0] != 3: raise TestFailed, 'missing {} setdefault, w/ 2nd arg' d.setdefault('key', []).append(4) if len(d['key']) != 2: raise TestFailed, 'present {} setdefault, w/ 2nd arg' # dict.popitem() for copymode in -1, +1: # -1: b has same structure as a # +1: b is a.copy() for log2size in range(12): size = 2**log2size a = {} b = {} for i in range(size): a[`i`] = i if copymode < 0: b[`i`] = i if copymode > 0: b = a.copy() for i in range(size): ka, va = ta = a.popitem() if va != int(ka): raise TestFailed, "a.popitem: %s" % str(ta) kb, vb = tb = b.popitem() if vb != int(kb): raise TestFailed, "b.popitem: %s" % str(tb) if copymode < 0 and ta != tb: raise TestFailed, "a.popitem != b.popitem: %s, %s" % ( str(ta), str(tb)) if a: raise TestFailed, 'a not empty after popitems: %s' % str(a) if b: raise TestFailed, 'b not empty after popitems: %s' % str(b) d.clear() try: d.popitem() except KeyError: pass else: raise TestFailed, "{}.popitem doesn't raise KeyError" # Tests for pop with specified key d.clear() k, v = 'abc', 'def' d[k] = v try: d.pop('ghi') except KeyError: pass else: raise TestFailed, "{}.pop(k) doesn't raise KeyError when k not in dictionary" if d.pop(k) != v: raise TestFailed, "{}.pop(k) doesn't find known key/value pair" if len(d) > 0: raise TestFailed, "{}.pop(k) failed to remove the specified pair" try: d.pop(k) except KeyError: pass else: raise TestFailed, "{}.pop(k) doesn't raise KeyError when dictionary is empty" # verify longs/ints get same value when key > 32 bits (for 64-bit archs) # see SF bug #689659 x = 4503599627370496L y = 4503599627370496 h = {x: 'anything', y: 'something else'} if h[x] != h[y]: raise TestFailed, "long/int key should match" if d.pop(k, v) != v: raise TestFailed, "{}.pop(k, v) doesn't return default value" d[k] = v if d.pop(k, 1) != v: raise TestFailed, "{}.pop(k, v) doesn't find known key/value pair" d[1] = 1 try: for i in d: d[i+1] = 1 except RuntimeError: pass else: raise TestFailed, "changing dict size during iteration doesn't raise Error" try: type(1, 2) except TypeError: pass else: raise TestFailed, 'type(), w/2 args expected TypeError' try: type(1, 2, 3, 4) except TypeError: pass else: raise TestFailed, 'type(), w/4 args expected TypeError' print 'Buffers' try: buffer('asdf', -1) except ValueError: pass else: raise TestFailed, "buffer('asdf', -1) should raise ValueError" try: buffer(None) except TypeError: pass else: raise TestFailed, "buffer(None) should raise TypeError" a = buffer('asdf') hash(a) b = a * 5 if a == b: raise TestFailed, 'buffers should not be equal' if str(b) != ('asdf' * 5): raise TestFailed, 'repeated buffer has wrong content' if str(a * 0) != '': raise TestFailed, 'repeated buffer zero times has wrong content' if str(a + buffer('def')) != 'asdfdef': raise TestFailed, 'concatenation of buffers yields wrong content' try: a[1] = 'g' except TypeError: pass else: raise TestFailed, "buffer assignment should raise TypeError" try: a[0:1] = 'g' except TypeError: pass else: raise TestFailed, "buffer slice assignment should raise TypeError"