# Test properties of bool promised by PEP 285 from test.test_support import verbose, TestFailed, TESTFN, vereq, have_unicode import os def veris(a, b): if a is not b: raise TestFailed, "%r is %r" % (a, b) def verisnot(a, b): if a is b: raise TestFailed, "%r is %r" % (a, b) try: class C(bool): pass except TypeError: pass else: raise TestFailed, "bool should not be subclassable" try: int.__new__(bool, 0) except TypeError: pass else: raise TestFailed, "should not be able to create new bool instances" # checking tp_print slot fo = open(TESTFN, "wb") print >> fo, False, True fo.close() fo = open(TESTFN, "rb") vereq(fo.read(), 'False True\n') fo.close() os.remove(TESTFN) # checking repr and str vereq(str(False), 'False') vereq(str(True), 'True') vereq(repr(False), 'False') vereq(repr(True), 'True') vereq(eval(repr(False)), False) vereq(eval(repr(True)), True) vereq(int(False), 0) verisnot(int(False), False) vereq(int(True), 1) verisnot(int(True), True) vereq(+False, 0) verisnot(+False, False) vereq(-False, 0) verisnot(-False, False) vereq(abs(False), 0) verisnot(abs(False), False) vereq(+True, 1) verisnot(+True, True) vereq(-True, -1) vereq(abs(True), 1) verisnot(abs(True), True) vereq(~False, -1) vereq(~True, -2) vereq(False+2, 2) vereq(True+2, 3) vereq(2+False, 2) vereq(2+True, 3) vereq(False+False, 0) verisnot(False+False, False) vereq(False+True, 1) verisnot(False+True, True) vereq(True+False, 1) verisnot(True+False, True) vereq(True+True, 2) vereq(True-True, 0) verisnot(True-True, False) vereq(False-False, 0) verisnot(False-False, False) vereq(True-False, 1) verisnot(True-False, True) vereq(False-True, -1) vereq(True*1, 1) vereq(False*1, 0) verisnot(False*1, False) vereq(True/1, 1) verisnot(True/1, True) vereq(False/1, 0) verisnot(False/1, False) for b in False, True: for i in 0, 1, 2: vereq(b**i, int(b)**i) verisnot(b**i, bool(int(b)**i)) for a in False, True: for b in False, True: veris(a&b, bool(int(a)&int(b))) veris(a|b, bool(int(a)|int(b))) veris(a^b, bool(int(a)^int(b))) vereq(a&int(b), int(a)&int(b)) verisnot(a&int(b), bool(int(a)&int(b))) vereq(a|int(b), int(a)|int(b)) verisnot(a|int(b), bool(int(a)|int(b))) vereq(a^int(b), int(a)^int(b)) verisnot(a^int(b), bool(int(a)^int(b))) vereq(int(a)&b, int(a)&int(b)) verisnot(int(a)&b, bool(int(a)&int(b))) vereq(int(a)|b, int(a)|int(b)) verisnot(int(a)|b, bool(int(a)|int(b))) vereq(int(a)^b, int(a)^int(b)) verisnot(int(a)^b, bool(int(a)^int(b))) veris(1==1, True) veris(1==0, False) # XXX <, <=, >, >=, != x = [1] veris(x is x, True) veris(x is not x, False) veris(1 in x, True) veris(0 in x, False) veris(1 not in x, False) veris(0 not in x, True) veris(not True, False) veris(not False, True) veris(bool(10), True) veris(bool(1), True) veris(bool(-1), True) veris(bool(0), False) veris(bool("hello"), True) veris(bool(""), False) veris(bool(), False) veris(hasattr([], "append"), True) veris(hasattr([], "wobble"), False) veris(callable(len), True) veris(callable(1), False) veris(isinstance(True, bool), True) veris(isinstance(False, bool), True) veris(isinstance(True, int), True) veris(isinstance(False, int), True) veris(isinstance(1, bool), False) veris(isinstance(0, bool), False) veris(issubclass(bool, int), True) veris(issubclass(int, bool), False) veris({}.has_key(1), False) veris({1:1}.has_key(1), True) veris("xyz".endswith("z"), True) veris("xyz".endswith("x"), False) veris("xyz0123".isalnum(), True) veris("@#$%".isalnum(), False) veris("xyz".isalpha(), True) veris("@#$%".isalpha(), False) veris("0123".isdigit(), True) veris("xyz".isdigit(), False) veris("xyz".islower(), True) veris("XYZ".islower(), False) veris(" ".isspace(), True) veris("XYZ".isspace(), False) veris("X".istitle(), True) veris("x".istitle(), False) veris("XYZ".isupper(), True) veris("xyz".isupper(), False) veris("xyz".startswith("x"), True) veris("xyz".startswith("z"), False) if have_unicode: veris(unicode("xyz", 'ascii').endswith(unicode("z", 'ascii')), True) veris(unicode("xyz", 'ascii').endswith(unicode("x", 'ascii')), False) veris(unicode("xyz0123", 'ascii').isalnum(), True) veris(unicode("@#$%", 'ascii').isalnum(), False) veris(unicode("xyz", 'ascii').isalpha(), True) veris(unicode("@#$%", 'ascii').isalpha(), False) veris(unicode("0123", 'ascii').isdecimal(), True) veris(unicode("xyz", 'ascii').isdecimal(), False) veris(unicode("0123", 'ascii').isdigit(), True) veris(unicode("xyz", 'ascii').isdigit(), False) veris(unicode("xyz", 'ascii').islower(), True) veris(unicode("XYZ", 'ascii').islower(), False) veris(unicode("0123", 'ascii').isnumeric(), True) veris(unicode("xyz", 'ascii').isnumeric(), False) veris(unicode(" ", 'ascii').isspace(), True) veris(unicode("XYZ", 'ascii').isspace(), False) veris(unicode("X", 'ascii').istitle(), True) veris(unicode("x", 'ascii').istitle(), False) veris(unicode("XYZ", 'ascii').isupper(), True) veris(unicode("xyz", 'ascii').isupper(), False) veris(unicode("xyz", 'ascii').startswith(unicode("x", 'ascii')), True) veris(unicode("xyz", 'ascii').startswith(unicode("z", 'ascii')), False) f = file(TESTFN, "w") veris(f.closed, False) f.close() veris(f.closed, True) os.remove(TESTFN) import operator veris(operator.truth(0), False) veris(operator.truth(1), True) veris(operator.isCallable(0), False) veris(operator.isCallable(len), True) veris(operator.isNumberType(None), False) veris(operator.isNumberType(0), True) veris(operator.not_(1), False) veris(operator.not_(0), True) veris(operator.isSequenceType(0), False) veris(operator.isSequenceType([]), True) veris(operator.contains([], 1), False) veris(operator.contains([1], 1), True) veris(operator.isMappingType(1), False) veris(operator.isMappingType({}), True) veris(operator.lt(0, 0), False) veris(operator.lt(0, 1), True) import marshal veris(marshal.loads(marshal.dumps(True)), True) veris(marshal.loads(marshal.dumps(False)), False) import pickle veris(pickle.loads(pickle.dumps(True)), True) veris(pickle.loads(pickle.dumps(False)), False) veris(pickle.loads(pickle.dumps(True, True)), True) veris(pickle.loads(pickle.dumps(False, True)), False) import cPickle veris(cPickle.loads(cPickle.dumps(True)), True) veris(cPickle.loads(cPickle.dumps(False)), False) veris(cPickle.loads(cPickle.dumps(True, True)), True) veris(cPickle.loads(cPickle.dumps(False, True)), False) veris(pickle.loads(cPickle.dumps(True)), True) veris(pickle.loads(cPickle.dumps(False)), False) veris(pickle.loads(cPickle.dumps(True, True)), True) veris(pickle.loads(cPickle.dumps(False, True)), False) veris(cPickle.loads(pickle.dumps(True)), True) veris(cPickle.loads(pickle.dumps(False)), False) veris(cPickle.loads(pickle.dumps(True, True)), True) veris(cPickle.loads(pickle.dumps(False, True)), False) # Test for specific backwards-compatible pickle values vereq(pickle.dumps(True), "I01\n.") vereq(pickle.dumps(False), "I00\n.") vereq(cPickle.dumps(True), "I01\n.") vereq(cPickle.dumps(False), "I00\n.") vereq(pickle.dumps(True, True), "I01\n.") vereq(pickle.dumps(False, True), "I00\n.") vereq(cPickle.dumps(True, True), "I01\n.") vereq(cPickle.dumps(False, True), "I00\n.") if verbose: print "All OK"