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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_keeprefs.py

from ctypes import *
import unittest

class SimpleTestCase(unittest.TestCase):
    def test_cint(self):
        x = c_int()
        self.assertEqual(x._objects, None)
        x.value = 42
        self.assertEqual(x._objects, None)
        x = c_int(99)
        self.assertEqual(x._objects, None)

def test_ccharp(self):
        x = c_char_p()
        self.assertEqual(x._objects, None)
        x.value = b"abc"
        self.assertEqual(x._objects, b"abc")
        x = c_char_p(b"spam")
        self.assertEqual(x._objects, b"spam")

class StructureTestCase(unittest.TestCase):
    def test_cint_struct(self):
        class X(Structure):
            _fields_ = [("a", c_int),
                        ("b", c_int)]

x = X()
        self.assertEqual(x._objects, None)
        x.a = 42
        x.b = 99
        self.assertEqual(x._objects, None)

def test_ccharp_struct(self):
        class X(Structure):
            _fields_ = [("a", c_char_p),
                        ("b", c_char_p)]
        x = X()
        self.assertEqual(x._objects, None)

x.a = b"spam"
        x.b = b"foo"
        self.assertEqual(x._objects, {"0": b"spam", "1": b"foo"})

def test_struct_struct(self):
        class POINT(Structure):
            _fields_ = [("x", c_int), ("y", c_int)]
        class RECT(Structure):
            _fields_ = [("ul", POINT), ("lr", POINT)]

r = RECT()
        r.ul.x = 0
        r.ul.y = 1
        r.lr.x = 2
        r.lr.y = 3
        self.assertEqual(r._objects, None)

r = RECT()
        pt = POINT(1, 2)
        r.ul = pt
        self.assertEqual(r._objects, {'0': {}})
        r.ul.x = 22
        r.ul.y = 44
        self.assertEqual(r._objects, {'0': {}})
        r.lr = POINT()
        self.assertEqual(r._objects, {'0': {}, '1': {}})

class ArrayTestCase(unittest.TestCase):
    def test_cint_array(self):
        INTARR = c_int * 3

ia = INTARR()
        self.assertEqual(ia._objects, None)
        ia[0] = 1
        ia[1] = 2
        ia[2] = 3
        self.assertEqual(ia._objects, None)

class X(Structure):
            _fields_ = [("x", c_int),
                        ("a", INTARR)]

x = X()
        x.x = 1000
        x.a[0] = 42
        x.a[1] = 96
        self.assertEqual(x._objects, None)
        x.a = ia
        self.assertEqual(x._objects, {'1': {}})

class PointerTestCase(unittest.TestCase):
    def test_p_cint(self):
        i = c_int(42)
        x = pointer(i)
        self.assertEqual(x._objects, {'1': i})

class DeletePointerTestCase(unittest.TestCase):
    @unittest.skip('test disabled')
    def test_X(self):
        class X(Structure):
            _fields_ = [("p", POINTER(c_char_p))]
        x = X()
        i = c_char_p("abc def")
        from sys import getrefcount as grc
        print("2?", grc(i))
        x.p = pointer(i)
        print("3?", grc(i))
        for i in range(320):
            c_int(99)
            x.p[0]
        print(x.p[0])
##        del x
##        print "2?", grc(i)
##        del i
        import gc
        gc.collect()
        for i in range(320):
            c_int(99)
            x.p[0]
        print(x.p[0])
        print(x.p.contents)
##        print x._objects

x.p[0] = "spam spam"
##        print x.p[0]
        print("+" * 42)
        print(x._objects)

class PointerToStructure(unittest.TestCase):
    def test(self):
        class POINT(Structure):
            _fields_ = [("x", c_int), ("y", c_int)]
        class RECT(Structure):
            _fields_ = [("a", POINTER(POINT)),
                        ("b", POINTER(POINT))]
        r = RECT()
        p1 = POINT(1, 2)

r.a = pointer(p1)
        r.b = pointer(p1)
##        from pprint import pprint as pp
##        pp(p1._objects)
##        pp(r._objects)

r.a[0].x = 42
        r.a[0].y = 99

# to avoid leaking when tests are run several times
        # clean up the types left in the cache.
        from ctypes import _pointer_type_cache
        del _pointer_type_cache[POINT]

if __name__ == "__main__":
    unittest.main()

${this.title}

Code Editor : test_keeprefs.py