mirror of
https://github.com/python/cpython.git
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01c77c6628
in the stdlib and changed each of them to use "open" instead. At this time there are no other known occurrences that can be safely changed (in Lib and all subdirectories thereof).
361 lines
13 KiB
Python
361 lines
13 KiB
Python
# Test properties of bool promised by PEP 285
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import unittest
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from test import test_support
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import os
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class BoolTest(unittest.TestCase):
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def assertIs(self, a, b):
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self.assert_(a is b)
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def assertIsNot(self, a, b):
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self.assert_(a is not b)
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def test_subclass(self):
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try:
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class C(bool):
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pass
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except TypeError:
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pass
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else:
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self.fail("bool should not be subclassable")
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self.assertRaises(TypeError, int.__new__, bool, 0)
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def test_print(self):
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try:
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fo = open(test_support.TESTFN, "wb")
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print >> fo, False, True
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fo.close()
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fo = open(test_support.TESTFN, "rb")
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self.assertEqual(fo.read(), 'False True\n')
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finally:
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fo.close()
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os.remove(test_support.TESTFN)
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def test_repr(self):
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self.assertEqual(repr(False), 'False')
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self.assertEqual(repr(True), 'True')
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self.assertEqual(eval(repr(False)), False)
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self.assertEqual(eval(repr(True)), True)
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def test_str(self):
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self.assertEqual(str(False), 'False')
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self.assertEqual(str(True), 'True')
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def test_int(self):
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self.assertEqual(int(False), 0)
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self.assertIsNot(int(False), False)
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self.assertEqual(int(True), 1)
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self.assertIsNot(int(True), True)
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def test_math(self):
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self.assertEqual(+False, 0)
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self.assertIsNot(+False, False)
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self.assertEqual(-False, 0)
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self.assertIsNot(-False, False)
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self.assertEqual(abs(False), 0)
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self.assertIsNot(abs(False), False)
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self.assertEqual(+True, 1)
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self.assertIsNot(+True, True)
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self.assertEqual(-True, -1)
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self.assertEqual(abs(True), 1)
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self.assertIsNot(abs(True), True)
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self.assertEqual(~False, -1)
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self.assertEqual(~True, -2)
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self.assertEqual(False+2, 2)
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self.assertEqual(True+2, 3)
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self.assertEqual(2+False, 2)
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self.assertEqual(2+True, 3)
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self.assertEqual(False+False, 0)
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self.assertIsNot(False+False, False)
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self.assertEqual(False+True, 1)
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self.assertIsNot(False+True, True)
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self.assertEqual(True+False, 1)
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self.assertIsNot(True+False, True)
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self.assertEqual(True+True, 2)
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self.assertEqual(True-True, 0)
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self.assertIsNot(True-True, False)
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self.assertEqual(False-False, 0)
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self.assertIsNot(False-False, False)
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self.assertEqual(True-False, 1)
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self.assertIsNot(True-False, True)
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self.assertEqual(False-True, -1)
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self.assertEqual(True*1, 1)
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self.assertEqual(False*1, 0)
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self.assertIsNot(False*1, False)
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self.assertEqual(True/1, 1)
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self.assertIsNot(True/1, True)
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self.assertEqual(False/1, 0)
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self.assertIsNot(False/1, False)
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for b in False, True:
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for i in 0, 1, 2:
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self.assertEqual(b**i, int(b)**i)
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self.assertIsNot(b**i, bool(int(b)**i))
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for a in False, True:
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for b in False, True:
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self.assertIs(a&b, bool(int(a)&int(b)))
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self.assertIs(a|b, bool(int(a)|int(b)))
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self.assertIs(a^b, bool(int(a)^int(b)))
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self.assertEqual(a&int(b), int(a)&int(b))
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self.assertIsNot(a&int(b), bool(int(a)&int(b)))
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self.assertEqual(a|int(b), int(a)|int(b))
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self.assertIsNot(a|int(b), bool(int(a)|int(b)))
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self.assertEqual(a^int(b), int(a)^int(b))
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self.assertIsNot(a^int(b), bool(int(a)^int(b)))
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self.assertEqual(int(a)&b, int(a)&int(b))
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self.assertIsNot(int(a)&b, bool(int(a)&int(b)))
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self.assertEqual(int(a)|b, int(a)|int(b))
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self.assertIsNot(int(a)|b, bool(int(a)|int(b)))
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self.assertEqual(int(a)^b, int(a)^int(b))
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self.assertIsNot(int(a)^b, bool(int(a)^int(b)))
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self.assertIs(1==1, True)
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self.assertIs(1==0, False)
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self.assertIs(0<1, True)
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self.assertIs(1<0, False)
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self.assertIs(0<=0, True)
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self.assertIs(1<=0, False)
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self.assertIs(1>0, True)
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self.assertIs(1>1, False)
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self.assertIs(1>=1, True)
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self.assertIs(0>=1, False)
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self.assertIs(0!=1, True)
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self.assertIs(0!=0, False)
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x = [1]
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self.assertIs(x is x, True)
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self.assertIs(x is not x, False)
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self.assertIs(1 in x, True)
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self.assertIs(0 in x, False)
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self.assertIs(1 not in x, False)
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self.assertIs(0 not in x, True)
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x = {1: 2}
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self.assertIs(x is x, True)
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self.assertIs(x is not x, False)
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self.assertIs(1 in x, True)
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self.assertIs(0 in x, False)
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self.assertIs(1 not in x, False)
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self.assertIs(0 not in x, True)
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self.assertIs(not True, False)
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self.assertIs(not False, True)
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def test_convert(self):
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self.assertRaises(TypeError, bool, 42, 42)
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self.assertIs(bool(10), True)
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self.assertIs(bool(1), True)
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self.assertIs(bool(-1), True)
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self.assertIs(bool(0), False)
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self.assertIs(bool("hello"), True)
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self.assertIs(bool(""), False)
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self.assertIs(bool(), False)
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def test_hasattr(self):
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self.assertIs(hasattr([], "append"), True)
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self.assertIs(hasattr([], "wobble"), False)
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def test_callable(self):
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self.assertIs(callable(len), True)
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self.assertIs(callable(1), False)
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def test_isinstance(self):
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self.assertIs(isinstance(True, bool), True)
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self.assertIs(isinstance(False, bool), True)
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self.assertIs(isinstance(True, int), True)
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self.assertIs(isinstance(False, int), True)
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self.assertIs(isinstance(1, bool), False)
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self.assertIs(isinstance(0, bool), False)
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def test_issubclass(self):
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self.assertIs(issubclass(bool, int), True)
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self.assertIs(issubclass(int, bool), False)
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def test_contains(self):
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self.assertIs(1 in {}, False)
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self.assertIs(1 in {1:1}, True)
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def test_string(self):
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self.assertIs("xyz".endswith("z"), True)
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self.assertIs("xyz".endswith("x"), False)
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self.assertIs("xyz0123".isalnum(), True)
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self.assertIs("@#$%".isalnum(), False)
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self.assertIs("xyz".isalpha(), True)
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self.assertIs("@#$%".isalpha(), False)
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self.assertIs("0123".isdigit(), True)
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self.assertIs("xyz".isdigit(), False)
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self.assertIs("xyz".islower(), True)
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self.assertIs("XYZ".islower(), False)
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self.assertIs(" ".isspace(), True)
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self.assertIs("XYZ".isspace(), False)
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self.assertIs("X".istitle(), True)
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self.assertIs("x".istitle(), False)
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self.assertIs("XYZ".isupper(), True)
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self.assertIs("xyz".isupper(), False)
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self.assertIs("xyz".startswith("x"), True)
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self.assertIs("xyz".startswith("z"), False)
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if test_support.have_unicode:
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self.assertIs(unicode("xyz", 'ascii').endswith(unicode("z", 'ascii')), True)
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self.assertIs(unicode("xyz", 'ascii').endswith(unicode("x", 'ascii')), False)
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self.assertIs(unicode("xyz0123", 'ascii').isalnum(), True)
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self.assertIs(unicode("@#$%", 'ascii').isalnum(), False)
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self.assertIs(unicode("xyz", 'ascii').isalpha(), True)
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self.assertIs(unicode("@#$%", 'ascii').isalpha(), False)
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self.assertIs(unicode("0123", 'ascii').isdecimal(), True)
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self.assertIs(unicode("xyz", 'ascii').isdecimal(), False)
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self.assertIs(unicode("0123", 'ascii').isdigit(), True)
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self.assertIs(unicode("xyz", 'ascii').isdigit(), False)
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self.assertIs(unicode("xyz", 'ascii').islower(), True)
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self.assertIs(unicode("XYZ", 'ascii').islower(), False)
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self.assertIs(unicode("0123", 'ascii').isnumeric(), True)
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self.assertIs(unicode("xyz", 'ascii').isnumeric(), False)
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self.assertIs(unicode(" ", 'ascii').isspace(), True)
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self.assertIs(unicode("XYZ", 'ascii').isspace(), False)
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self.assertIs(unicode("X", 'ascii').istitle(), True)
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self.assertIs(unicode("x", 'ascii').istitle(), False)
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self.assertIs(unicode("XYZ", 'ascii').isupper(), True)
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self.assertIs(unicode("xyz", 'ascii').isupper(), False)
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self.assertIs(unicode("xyz", 'ascii').startswith(unicode("x", 'ascii')), True)
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self.assertIs(unicode("xyz", 'ascii').startswith(unicode("z", 'ascii')), False)
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def test_boolean(self):
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self.assertEqual(True & 1, 1)
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self.assert_(not isinstance(True & 1, bool))
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self.assertIs(True & True, True)
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self.assertEqual(True | 1, 1)
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self.assert_(not isinstance(True | 1, bool))
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self.assertIs(True | True, True)
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self.assertEqual(True ^ 1, 0)
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self.assert_(not isinstance(True ^ 1, bool))
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self.assertIs(True ^ True, False)
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def test_fileclosed(self):
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try:
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f = open(test_support.TESTFN, "w")
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self.assertIs(f.closed, False)
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f.close()
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self.assertIs(f.closed, True)
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finally:
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os.remove(test_support.TESTFN)
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def test_operator(self):
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import operator
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self.assertIs(operator.truth(0), False)
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self.assertIs(operator.truth(1), True)
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self.assertIs(operator.isCallable(0), False)
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self.assertIs(operator.isCallable(len), True)
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self.assertIs(operator.isNumberType(None), False)
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self.assertIs(operator.isNumberType(0), True)
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self.assertIs(operator.not_(1), False)
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self.assertIs(operator.not_(0), True)
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self.assertIs(operator.isSequenceType(0), False)
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self.assertIs(operator.isSequenceType([]), True)
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self.assertIs(operator.contains([], 1), False)
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self.assertIs(operator.contains([1], 1), True)
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self.assertIs(operator.isMappingType(1), False)
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self.assertIs(operator.isMappingType({}), True)
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self.assertIs(operator.lt(0, 0), False)
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self.assertIs(operator.lt(0, 1), True)
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self.assertIs(operator.is_(True, True), True)
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self.assertIs(operator.is_(True, False), False)
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self.assertIs(operator.is_not(True, True), False)
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self.assertIs(operator.is_not(True, False), True)
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def test_marshal(self):
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import marshal
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self.assertIs(marshal.loads(marshal.dumps(True)), True)
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self.assertIs(marshal.loads(marshal.dumps(False)), False)
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def test_pickle(self):
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import pickle
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self.assertIs(pickle.loads(pickle.dumps(True)), True)
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self.assertIs(pickle.loads(pickle.dumps(False)), False)
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self.assertIs(pickle.loads(pickle.dumps(True, True)), True)
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self.assertIs(pickle.loads(pickle.dumps(False, True)), False)
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def test_cpickle(self):
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try:
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import cPickle
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except ImportError:
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return # Just ignore this if cPickle doesn't exist
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self.assertIs(cPickle.loads(cPickle.dumps(True)), True)
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self.assertIs(cPickle.loads(cPickle.dumps(False)), False)
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self.assertIs(cPickle.loads(cPickle.dumps(True, True)), True)
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self.assertIs(cPickle.loads(cPickle.dumps(False, True)), False)
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def test_mixedpickle(self):
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import pickle
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try:
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import cPickle
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except ImportError:
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return # Just ignore this if cPickle doesn't exist
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self.assertIs(pickle.loads(cPickle.dumps(True)), True)
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self.assertIs(pickle.loads(cPickle.dumps(False)), False)
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self.assertIs(pickle.loads(cPickle.dumps(True, True)), True)
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self.assertIs(pickle.loads(cPickle.dumps(False, True)), False)
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self.assertIs(cPickle.loads(pickle.dumps(True)), True)
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self.assertIs(cPickle.loads(pickle.dumps(False)), False)
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self.assertIs(cPickle.loads(pickle.dumps(True, True)), True)
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self.assertIs(cPickle.loads(pickle.dumps(False, True)), False)
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def test_picklevalues(self):
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# Test for specific backwards-compatible pickle values
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import pickle
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self.assertEqual(pickle.dumps(True), "I01\n.")
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self.assertEqual(pickle.dumps(False), "I00\n.")
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self.assertEqual(pickle.dumps(True, True), "I01\n.")
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self.assertEqual(pickle.dumps(False, True), "I00\n.")
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try:
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import cPickle
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except ImportError:
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return # Just ignore the rest if cPickle doesn't exist
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self.assertEqual(cPickle.dumps(True), "I01\n.")
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self.assertEqual(cPickle.dumps(False), "I00\n.")
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self.assertEqual(cPickle.dumps(True, True), "I01\n.")
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self.assertEqual(cPickle.dumps(False, True), "I00\n.")
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def test_convert_to_bool(self):
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# Verify that TypeError occurs when bad things are returned
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# from __nonzero__(). This isn't really a bool test, but
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# it's related.
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check = lambda o: self.assertRaises(TypeError, bool, o)
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class Foo(object):
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def __nonzero__(self):
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return self
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check(Foo())
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class Bar(object):
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def __nonzero__(self):
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return "Yes"
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check(Bar())
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class Baz(int):
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def __nonzero__(self):
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return self
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check(Baz())
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def test_main():
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test_support.run_unittest(BoolTest)
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if __name__ == "__main__":
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test_main()
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