diff options
Diffstat (limited to 'Lib/test/buffer_tests.py')
| -rw-r--r-- | Lib/test/buffer_tests.py | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/Lib/test/buffer_tests.py b/Lib/test/buffer_tests.py new file mode 100644 index 0000000..db27759 --- /dev/null +++ b/Lib/test/buffer_tests.py @@ -0,0 +1,206 @@ +# Tests that work for both bytes and buffer objects. +# See PEP 3137. + +import struct +import sys + +class MixinBytesBufferCommonTests(object): + """Tests that work for both bytes and buffer objects. + See PEP 3137. + """ + + def marshal(self, x): + """Convert x into the appropriate type for these tests.""" + raise RuntimeError('test class must provide a marshal method') + + def test_islower(self): + self.assertFalse(self.marshal(b'').islower()) + self.assert_(self.marshal(b'a').islower()) + self.assertFalse(self.marshal(b'A').islower()) + self.assertFalse(self.marshal(b'\n').islower()) + self.assert_(self.marshal(b'abc').islower()) + self.assertFalse(self.marshal(b'aBc').islower()) + self.assert_(self.marshal(b'abc\n').islower()) + self.assertRaises(TypeError, self.marshal(b'abc').islower, 42) + + def test_isupper(self): + self.assertFalse(self.marshal(b'').isupper()) + self.assertFalse(self.marshal(b'a').isupper()) + self.assert_(self.marshal(b'A').isupper()) + self.assertFalse(self.marshal(b'\n').isupper()) + self.assert_(self.marshal(b'ABC').isupper()) + self.assertFalse(self.marshal(b'AbC').isupper()) + self.assert_(self.marshal(b'ABC\n').isupper()) + self.assertRaises(TypeError, self.marshal(b'abc').isupper, 42) + + def test_istitle(self): + self.assertFalse(self.marshal(b'').istitle()) + self.assertFalse(self.marshal(b'a').istitle()) + self.assert_(self.marshal(b'A').istitle()) + self.assertFalse(self.marshal(b'\n').istitle()) + self.assert_(self.marshal(b'A Titlecased Line').istitle()) + self.assert_(self.marshal(b'A\nTitlecased Line').istitle()) + self.assert_(self.marshal(b'A Titlecased, Line').istitle()) + self.assertFalse(self.marshal(b'Not a capitalized String').istitle()) + self.assertFalse(self.marshal(b'Not\ta Titlecase String').istitle()) + self.assertFalse(self.marshal(b'Not--a Titlecase String').istitle()) + self.assertFalse(self.marshal(b'NOT').istitle()) + self.assertRaises(TypeError, self.marshal(b'abc').istitle, 42) + + def test_isspace(self): + self.assertFalse(self.marshal(b'').isspace()) + self.assertFalse(self.marshal(b'a').isspace()) + self.assert_(self.marshal(b' ').isspace()) + self.assert_(self.marshal(b'\t').isspace()) + self.assert_(self.marshal(b'\r').isspace()) + self.assert_(self.marshal(b'\n').isspace()) + self.assert_(self.marshal(b' \t\r\n').isspace()) + self.assertFalse(self.marshal(b' \t\r\na').isspace()) + self.assertRaises(TypeError, self.marshal(b'abc').isspace, 42) + + def test_isalpha(self): + self.assertFalse(self.marshal(b'').isalpha()) + self.assert_(self.marshal(b'a').isalpha()) + self.assert_(self.marshal(b'A').isalpha()) + self.assertFalse(self.marshal(b'\n').isalpha()) + self.assert_(self.marshal(b'abc').isalpha()) + self.assertFalse(self.marshal(b'aBc123').isalpha()) + self.assertFalse(self.marshal(b'abc\n').isalpha()) + self.assertRaises(TypeError, self.marshal(b'abc').isalpha, 42) + + def test_isalnum(self): + self.assertFalse(self.marshal(b'').isalnum()) + self.assert_(self.marshal(b'a').isalnum()) + self.assert_(self.marshal(b'A').isalnum()) + self.assertFalse(self.marshal(b'\n').isalnum()) + self.assert_(self.marshal(b'123abc456').isalnum()) + self.assert_(self.marshal(b'a1b3c').isalnum()) + self.assertFalse(self.marshal(b'aBc000 ').isalnum()) + self.assertFalse(self.marshal(b'abc\n').isalnum()) + self.assertRaises(TypeError, self.marshal(b'abc').isalnum, 42) + + def test_isdigit(self): + self.assertFalse(self.marshal(b'').isdigit()) + self.assertFalse(self.marshal(b'a').isdigit()) + self.assert_(self.marshal(b'0').isdigit()) + self.assert_(self.marshal(b'0123456789').isdigit()) + self.assertFalse(self.marshal(b'0123456789a').isdigit()) + + self.assertRaises(TypeError, self.marshal(b'abc').isdigit, 42) + + def test_lower(self): + self.assertEqual(b'hello', self.marshal(b'HeLLo').lower()) + self.assertEqual(b'hello', self.marshal(b'hello').lower()) + self.assertRaises(TypeError, self.marshal(b'hello').lower, 42) + + def test_upper(self): + self.assertEqual(b'HELLO', self.marshal(b'HeLLo').upper()) + self.assertEqual(b'HELLO', self.marshal(b'HELLO').upper()) + self.assertRaises(TypeError, self.marshal(b'hello').upper, 42) + + def test_capitalize(self): + self.assertEqual(b' hello ', self.marshal(b' hello ').capitalize()) + self.assertEqual(b'Hello ', self.marshal(b'Hello ').capitalize()) + self.assertEqual(b'Hello ', self.marshal(b'hello ').capitalize()) + self.assertEqual(b'Aaaa', self.marshal(b'aaaa').capitalize()) + self.assertEqual(b'Aaaa', self.marshal(b'AaAa').capitalize()) + + self.assertRaises(TypeError, self.marshal(b'hello').capitalize, 42) + + def test_ljust(self): + self.assertEqual(b'abc ', self.marshal(b'abc').ljust(10)) + self.assertEqual(b'abc ', self.marshal(b'abc').ljust(6)) + self.assertEqual(b'abc', self.marshal(b'abc').ljust(3)) + self.assertEqual(b'abc', self.marshal(b'abc').ljust(2)) + self.assertEqual(b'abc*******', self.marshal(b'abc').ljust(10, '*')) + self.assertRaises(TypeError, self.marshal(b'abc').ljust) + + def test_rjust(self): + self.assertEqual(b' abc', self.marshal(b'abc').rjust(10)) + self.assertEqual(b' abc', self.marshal(b'abc').rjust(6)) + self.assertEqual(b'abc', self.marshal(b'abc').rjust(3)) + self.assertEqual(b'abc', self.marshal(b'abc').rjust(2)) + self.assertEqual(b'*******abc', self.marshal(b'abc').rjust(10, '*')) + self.assertRaises(TypeError, self.marshal(b'abc').rjust) + + def test_center(self): + self.assertEqual(b' abc ', self.marshal(b'abc').center(10)) + self.assertEqual(b' abc ', self.marshal(b'abc').center(6)) + self.assertEqual(b'abc', self.marshal(b'abc').center(3)) + self.assertEqual(b'abc', self.marshal(b'abc').center(2)) + self.assertEqual(b'***abc****', self.marshal(b'abc').center(10, '*')) + self.assertRaises(TypeError, self.marshal(b'abc').center) + + def test_swapcase(self): + self.assertEqual(b'hEllO CoMPuTErS', + self.marshal(b'HeLLo cOmpUteRs').swapcase()) + + self.assertRaises(TypeError, self.marshal(b'hello').swapcase, 42) + + def test_zfill(self): + self.assertEqual(b'123', self.marshal(b'123').zfill(2)) + self.assertEqual(b'123', self.marshal(b'123').zfill(3)) + self.assertEqual(b'0123', self.marshal(b'123').zfill(4)) + self.assertEqual(b'+123', self.marshal(b'+123').zfill(3)) + self.assertEqual(b'+123', self.marshal(b'+123').zfill(4)) + self.assertEqual(b'+0123', self.marshal(b'+123').zfill(5)) + self.assertEqual(b'-123', self.marshal(b'-123').zfill(3)) + self.assertEqual(b'-123', self.marshal(b'-123').zfill(4)) + self.assertEqual(b'-0123', self.marshal(b'-123').zfill(5)) + self.assertEqual(b'000', self.marshal(b'').zfill(3)) + self.assertEqual(b'34', self.marshal(b'34').zfill(1)) + self.assertEqual(b'0034', self.marshal(b'34').zfill(4)) + + self.assertRaises(TypeError, self.marshal(b'123').zfill) + + def test_expandtabs(self): + self.assertEqual(b'abc\rab def\ng hi', + self.marshal(b'abc\rab\tdef\ng\thi').expandtabs()) + self.assertEqual(b'abc\rab def\ng hi', + self.marshal(b'abc\rab\tdef\ng\thi').expandtabs(8)) + self.assertEqual(b'abc\rab def\ng hi', + self.marshal(b'abc\rab\tdef\ng\thi').expandtabs(4)) + self.assertEqual(b'abc\r\nab def\ng hi', + self.marshal(b'abc\r\nab\tdef\ng\thi').expandtabs(4)) + self.assertEqual(b'abc\rab def\ng hi', + self.marshal(b'abc\rab\tdef\ng\thi').expandtabs()) + self.assertEqual(b'abc\rab def\ng hi', + self.marshal(b'abc\rab\tdef\ng\thi').expandtabs(8)) + self.assertEqual(b'abc\r\nab\r\ndef\ng\r\nhi', + self.marshal(b'abc\r\nab\r\ndef\ng\r\nhi').expandtabs(4)) + self.assertEqual(b' a\n b', self.marshal(b' \ta\n\tb').expandtabs(1)) + + self.assertRaises(TypeError, self.marshal(b'hello').expandtabs, 42, 42) + # This test is only valid when sizeof(int) == sizeof(void*) == 4. + if sys.maxint < (1 << 32) and struct.calcsize('P') == 4: + self.assertRaises(OverflowError, + self.marshal(b'\ta\n\tb').expandtabs, sys.maxint) + + def test_title(self): + self.assertEqual(b' Hello ', self.marshal(b' hello ').title()) + self.assertEqual(b'Hello ', self.marshal(b'hello ').title()) + self.assertEqual(b'Hello ', self.marshal(b'Hello ').title()) + self.assertEqual(b'Format This As Title String', + self.marshal(b'fOrMaT thIs aS titLe String').title()) + self.assertEqual(b'Format,This-As*Title;String', + self.marshal(b'fOrMaT,thIs-aS*titLe;String').title()) + self.assertEqual(b'Getint', self.marshal(b'getInt').title()) + self.assertRaises(TypeError, self.marshal(b'hello').title, 42) + + def test_splitlines(self): + self.assertEqual([b'abc', b'def', b'', b'ghi'], + self.marshal(b'abc\ndef\n\rghi').splitlines()) + self.assertEqual([b'abc', b'def', b'', b'ghi'], + self.marshal(b'abc\ndef\n\r\nghi').splitlines()) + self.assertEqual([b'abc', b'def', b'ghi'], + self.marshal(b'abc\ndef\r\nghi').splitlines()) + self.assertEqual([b'abc', b'def', b'ghi'], + self.marshal(b'abc\ndef\r\nghi\n').splitlines()) + self.assertEqual([b'abc', b'def', b'ghi', b''], + self.marshal(b'abc\ndef\r\nghi\n\r').splitlines()) + self.assertEqual([b'', b'abc', b'def', b'ghi', b''], + self.marshal(b'\nabc\ndef\r\nghi\n\r').splitlines()) + self.assertEqual([b'\n', b'abc\n', b'def\r\n', b'ghi\n', b'\r'], + self.marshal(b'\nabc\ndef\r\nghi\n\r').splitlines(1)) + + self.assertRaises(TypeError, self.marshal(b'abc').splitlines, 42, 42) |