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authorGuido van Rossum <guido@python.org>2002-04-03 23:01:45 (GMT)
committerGuido van Rossum <guido@python.org>2002-04-03 23:01:45 (GMT)
commit5f8203679d113b3963180da6380ebd69f9f8cd44 (patch)
tree6503c8c00305804576fa9817599e832c822bf328 /Lib
parent3a52ff6df4ad48114c73a5b899da59fd78e4eda7 (diff)
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cpython-5f8203679d113b3963180da6380ebd69f9f8cd44.tar.gz
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Oops. Here are the new files. My apologies.
Diffstat (limited to 'Lib')
-rw-r--r--Lib/test/test_bool.py228
1 files changed, 228 insertions, 0 deletions
diff --git a/Lib/test/test_bool.py b/Lib/test/test_bool.py
new file mode 100644
index 0000000..ee5d5fa
--- /dev/null
+++ b/Lib/test/test_bool.py
@@ -0,0 +1,228 @@
+# Test properties of bool promised by PEP 285
+
+from test_support import verbose, TestFailed, TESTFN, vereq
+
+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"
+
+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(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)
+
+veris(u"xyz".endswith(u"z"), True)
+veris(u"xyz".endswith(u"x"), False)
+veris(u"xyz0123".isalnum(), True)
+veris(u"@#$%".isalnum(), False)
+veris(u"xyz".isalpha(), True)
+veris(u"@#$%".isalpha(), False)
+veris(u"0123".isdecimal(), True)
+veris(u"xyz".isdecimal(), False)
+veris(u"0123".isdigit(), True)
+veris(u"xyz".isdigit(), False)
+veris(u"xyz".islower(), True)
+veris(u"XYZ".islower(), False)
+veris(u"0123".isnumeric(), True)
+veris(u"xyz".isnumeric(), False)
+veris(u" ".isspace(), True)
+veris(u"XYZ".isspace(), False)
+veris(u"X".istitle(), True)
+veris(u"x".istitle(), False)
+veris(u"XYZ".isupper(), True)
+veris(u"xyz".isupper(), False)
+veris(u"xyz".startswith(u"x"), True)
+veris(u"xyz".startswith(u"z"), False)
+
+f = file(TESTFN, "w")
+veris(f.closed, False)
+f.close()
+veris(f.closed, True)
+import os
+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([]), 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)
+
+import cPickle
+veris(cPickle.loads(cPickle.dumps(True)), True)
+veris(cPickle.loads(cPickle.dumps(False)), False)
+
+veris(pickle.loads(cPickle.dumps(True)), True)
+veris(pickle.loads(cPickle.dumps(False)), False)
+
+veris(cPickle.loads(pickle.dumps(True)), True)
+veris(cPickle.loads(pickle.dumps(False)), False)
+
+if verbose:
+ print "All OK"