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Name	Size	Permission
__pycache__	[ DIR ]	drwxrwxrwx
__init__.py	461 B	-rw-rw-rw-
__main__.py	72 B	-rw-rw-rw-
test_anon.py	2.55 KB	-rw-rw-rw-
test_array_in_pointer.py	1.76 KB	-rw-rw-rw-
test_arrays.py	7.56 KB	-rw-rw-rw-
test_as_parameter.py	6.98 KB	-rw-rw-rw-
test_bitfields.py	10.4 KB	-rw-rw-rw-
test_buffers.py	2.62 KB	-rw-rw-rw-
test_bytes.py	2 KB	-rw-rw-rw-
test_byteswap.py	11.45 KB	-rw-rw-rw-
test_callbacks.py	10.64 KB	-rw-rw-rw-
test_cast.py	3.74 KB	-rw-rw-rw-
test_cfuncs.py	7.71 KB	-rw-rw-rw-
test_checkretval.py	1004 B	-rw-rw-rw-
test_delattr.py	554 B	-rw-rw-rw-
test_errno.py	2.19 KB	-rw-rw-rw-
test_find.py	4.48 KB	-rw-rw-rw-
test_frombuffer.py	5.23 KB	-rw-rw-rw-
test_funcptr.py	4.06 KB	-rw-rw-rw-
test_functions.py	12.59 KB	-rw-rw-rw-
test_incomplete.py	1.04 KB	-rw-rw-rw-
test_init.py	1.05 KB	-rw-rw-rw-
test_internals.py	2.67 KB	-rw-rw-rw-
test_keeprefs.py	4.11 KB	-rw-rw-rw-
test_libc.py	1.01 KB	-rw-rw-rw-
test_loading.py	7.15 KB	-rw-rw-rw-
test_macholib.py	2.14 KB	-rw-rw-rw-
test_memfunctions.py	3.29 KB	-rw-rw-rw-
test_numbers.py	9.54 KB	-rw-rw-rw-
test_objects.py	1.7 KB	-rw-rw-rw-
test_parameters.py	9.59 KB	-rw-rw-rw-
test_pep3118.py	8.54 KB	-rw-rw-rw-
test_pickling.py	2.25 KB	-rw-rw-rw-
test_pointers.py	7.29 KB	-rw-rw-rw-
test_prototypes.py	6.9 KB	-rw-rw-rw-
test_python_api.py	2.79 KB	-rw-rw-rw-
test_random_things.py	2.84 KB	-rw-rw-rw-
test_refcounts.py	2.61 KB	-rw-rw-rw-
test_repr.py	871 B	-rw-rw-rw-
test_returnfuncptrs.py	2.89 KB	-rw-rw-rw-
test_simplesubclasses.py	1.31 KB	-rw-rw-rw-
test_sizes.py	837 B	-rw-rw-rw-
test_slicing.py	6.05 KB	-rw-rw-rw-
test_stringptr.py	2.61 KB	-rw-rw-rw-
test_strings.py	7.36 KB	-rw-rw-rw-
test_struct_fields.py	2.64 KB	-rw-rw-rw-
test_structures.py	27.58 KB	-rw-rw-rw-
test_unaligned_structures.py	1.16 KB	-rw-rw-rw-
test_unicode.py	2.01 KB	-rw-rw-rw-
test_values.py	3.88 KB	-rw-rw-rw-
test_varsize_struct.py	1.85 KB	-rw-rw-rw-
test_win32.py	5.04 KB	-rw-rw-rw-
test_wintypes.py	1.41 KB	-rw-rw-rw-

Code Editor : test_strings.py

import unittest
from ctypes import *
from ctypes.test import need_symbol

class StringArrayTestCase(unittest.TestCase):
    def test(self):
        BUF = c_char * 4

buf = BUF(b"a", b"b", b"c")
        self.assertEqual(buf.value, b"abc")
        self.assertEqual(buf.raw, b"abc\000")

buf.value = b"ABCD"
        self.assertEqual(buf.value, b"ABCD")
        self.assertEqual(buf.raw, b"ABCD")

buf.value = b"x"
        self.assertEqual(buf.value, b"x")
        self.assertEqual(buf.raw, b"x\000CD")

buf[1] = b"Z"
        self.assertEqual(buf.value, b"xZCD")
        self.assertEqual(buf.raw, b"xZCD")

self.assertRaises(ValueError, setattr, buf, "value", b"aaaaaaaa")
        self.assertRaises(TypeError, setattr, buf, "value", 42)

def test_c_buffer_value(self):
        buf = c_buffer(32)

buf.value = b"Hello, World"
        self.assertEqual(buf.value, b"Hello, World")

self.assertRaises(TypeError, setattr, buf, "value", memoryview(b"Hello, World"))
        self.assertRaises(TypeError, setattr, buf, "value", memoryview(b"abc"))
        self.assertRaises(ValueError, setattr, buf, "raw", memoryview(b"x" * 100))

def test_c_buffer_raw(self):
        buf = c_buffer(32)

buf.raw = memoryview(b"Hello, World")
        self.assertEqual(buf.value, b"Hello, World")
        self.assertRaises(TypeError, setattr, buf, "value", memoryview(b"abc"))
        self.assertRaises(ValueError, setattr, buf, "raw", memoryview(b"x" * 100))

def test_param_1(self):
        BUF = c_char * 4
        buf = BUF()
##        print c_char_p.from_param(buf)

def test_param_2(self):
        BUF = c_char * 4
        buf = BUF()
##        print BUF.from_param(c_char_p("python"))
##        print BUF.from_param(BUF(*"pyth"))

def test_del_segfault(self):
        BUF = c_char * 4
        buf = BUF()
        with self.assertRaises(AttributeError):
            del buf.raw

@need_symbol('c_wchar')
class WStringArrayTestCase(unittest.TestCase):
    def test(self):
        BUF = c_wchar * 4

buf = BUF("a", "b", "c")
        self.assertEqual(buf.value, "abc")

buf.value = "ABCD"
        self.assertEqual(buf.value, "ABCD")

buf.value = "x"
        self.assertEqual(buf.value, "x")

buf[1] = "Z"
        self.assertEqual(buf.value, "xZCD")

@unittest.skipIf(sizeof(c_wchar) < 4,
                     "sizeof(wchar_t) is smaller than 4 bytes")
    def test_nonbmp(self):
        u = chr(0x10ffff)
        w = c_wchar(u)
        self.assertEqual(w.value, u)

class StringTestCase(unittest.TestCase):
    @unittest.skip('test disabled')
    def test_basic_strings(self):
        cs = c_string("abcdef")

# Cannot call len on a c_string any longer
        self.assertRaises(TypeError, len, cs)
        self.assertEqual(sizeof(cs), 7)

# The value property is the string up to the first terminating NUL.
        self.assertEqual(cs.value, "abcdef")
        self.assertEqual(c_string("abc\000def").value, "abc")

# The raw property is the total buffer contents:
        self.assertEqual(cs.raw, "abcdef\000")
        self.assertEqual(c_string("abc\000def").raw, "abc\000def\000")

# We can change the value:
        cs.value = "ab"
        self.assertEqual(cs.value, "ab")
        self.assertEqual(cs.raw, "ab\000\000\000\000\000")

cs.raw = "XY"
        self.assertEqual(cs.value, "XY")
        self.assertEqual(cs.raw, "XY\000\000\000\000\000")

self.assertRaises(TypeError, c_string, "123")

@unittest.skip('test disabled')
    def test_sized_strings(self):

# New in releases later than 0.4.0:
        self.assertRaises(TypeError, c_string, None)

# New in releases later than 0.4.0:
        # c_string(number) returns an empty string of size number
        self.assertEqual(len(c_string(32).raw), 32)
        self.assertRaises(ValueError, c_string, -1)
        self.assertRaises(ValueError, c_string, 0)

# These tests fail, because it is no longer initialized
##        self.assertEqual(c_string(2).value, "")
##        self.assertEqual(c_string(2).raw, "\000\000")
        self.assertEqual(c_string(2).raw[-1], "\000")
        self.assertEqual(len(c_string(2).raw), 2)

@unittest.skip('test disabled')
    def test_initialized_strings(self):

self.assertEqual(c_string("ab", 4).raw[:2], "ab")
        self.assertEqual(c_string("ab", 4).raw[:2:], "ab")
        self.assertEqual(c_string("ab", 4).raw[:2:-1], "ba")
        self.assertEqual(c_string("ab", 4).raw[:2:2], "a")
        self.assertEqual(c_string("ab", 4).raw[-1], "\000")
        self.assertEqual(c_string("ab", 2).raw, "a\000")

@unittest.skip('test disabled')
    def test_toolong(self):
        cs = c_string("abcdef")
        # Much too long string:
        self.assertRaises(ValueError, setattr, cs, "value", "123456789012345")

# One char too long values:
        self.assertRaises(ValueError, setattr, cs, "value", "1234567")

@unittest.skip('test disabled')
    def test_perf(self):
        check_perf()

@need_symbol('c_wchar')
class WStringTestCase(unittest.TestCase):
    def test_wchar(self):
        c_wchar("x")
        repr(byref(c_wchar("x")))
        c_wchar("x")

@unittest.skip('test disabled')
    def test_basic_wstrings(self):
        cs = c_wstring("abcdef")

# XXX This behaviour is about to change:
        # len returns the size of the internal buffer in bytes.
        # This includes the terminating NUL character.
        self.assertEqual(sizeof(cs), 14)

# The value property is the string up to the first terminating NUL.
        self.assertEqual(cs.value, "abcdef")
        self.assertEqual(c_wstring("abc\000def").value, "abc")

self.assertEqual(c_wstring("abc\000def").value, "abc")

# The raw property is the total buffer contents:
        self.assertEqual(cs.raw, "abcdef\000")
        self.assertEqual(c_wstring("abc\000def").raw, "abc\000def\000")

# We can change the value:
        cs.value = "ab"
        self.assertEqual(cs.value, "ab")
        self.assertEqual(cs.raw, "ab\000\000\000\000\000")

self.assertRaises(TypeError, c_wstring, "123")
        self.assertRaises(ValueError, c_wstring, 0)

@unittest.skip('test disabled')
    def test_toolong(self):
        cs = c_wstring("abcdef")
        # Much too long string:
        self.assertRaises(ValueError, setattr, cs, "value", "123456789012345")

# One char too long values:
        self.assertRaises(ValueError, setattr, cs, "value", "1234567")

def run_test(rep, msg, func, arg):
    items = range(rep)
    from time import perf_counter as clock
    start = clock()
    for i in items:
        func(arg); func(arg); func(arg); func(arg); func(arg)
    stop = clock()
    print("%20s: %.2f us" % (msg, ((stop-start)*1e6/5/rep)))

def check_perf():
    # Construct 5 objects

REP = 200000

run_test(REP, "c_string(None)", c_string, None)
    run_test(REP, "c_string('abc')", c_string, 'abc')

# Python 2.3 -OO, win2k, P4 700 MHz:
#
#      c_string(None): 1.75 us
#     c_string('abc'): 2.74 us

# Python 2.2 -OO, win2k, P4 700 MHz:
#
#      c_string(None): 2.95 us
#     c_string('abc'): 3.67 us

if __name__ == '__main__':
##    check_perf()
    unittest.main()

${this.title}

Code Editor : test_strings.py