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Current File : //usr/local/lib/python2.5/test/test_types.py |
# 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 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 true' 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' # Ensure the first 256 integers are shared a = 256 b = 128*2 if a is not b: raise TestFailed, '256 is not shared' 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 [see test_dict.py]' 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" cmp(buffer("abc"), buffer("def")) # used to raise a warning: tp_compare didn't return -1, 0, or 1 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' if str(buffer(a)) != 'asdf': raise TestFailed, 'composing buffers failed' if str(buffer(a, 2)) != 'df': raise TestFailed, 'specifying buffer offset failed' if str(buffer(a, 0, 2)) != 'as': raise TestFailed, 'specifying buffer size failed' if str(buffer(a, 1, 2)) != 'sd': raise TestFailed, 'specifying buffer offset and size failed' try: buffer(buffer('asdf', 1), -1) except ValueError: pass else: raise TestFailed, "buffer(buffer('asdf', 1), -1) should raise ValueError" if str(buffer(buffer('asdf', 0, 2), 0)) != 'as': raise TestFailed, 'composing length-specified buffer failed' if str(buffer(buffer('asdf', 0, 2), 0, 5000)) != 'as': raise TestFailed, 'composing length-specified buffer failed' if str(buffer(buffer('asdf', 0, 2), 0, -1)) != 'as': raise TestFailed, 'composing length-specified buffer failed' if str(buffer(buffer('asdf', 0, 2), 1, 2)) != 's': raise TestFailed, 'composing length-specified buffer failed' 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" # array.array() returns an object that does not implement a char buffer, # something which int() uses for conversion. import array try: int(buffer(array.array('c'))) except TypeError :pass else: raise TestFailed, "char buffer (at C level) not working"