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Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
__init__.py	399 B	-rw-r--r--
__main__.py	68 B	-rw-r--r--
test_anon.py	2 KB	-rw-r--r--
test_array_in_pointer.py	1.7 KB	-rw-r--r--
test_arrays.py	5.64 KB	-rw-r--r--
test_as_parameter.py	6.61 KB	-rw-r--r--
test_bitfields.py	9.84 KB	-rw-r--r--
test_buffers.py	2.23 KB	-rw-r--r--
test_bytes.py	1.88 KB	-rw-r--r--
test_byteswap.py	11.14 KB	-rw-r--r--
test_callbacks.py	9.31 KB	-rw-r--r--
test_cast.py	3.11 KB	-rw-r--r--
test_cfuncs.py	7.5 KB	-rw-r--r--
test_checkretval.py	968 B	-rw-r--r--
test_delattr.py	533 B	-rw-r--r--
test_errno.py	2.25 KB	-rw-r--r--
test_find.py	2.1 KB	-rw-r--r--
test_frombuffer.py	4.59 KB	-rw-r--r--
test_funcptr.py	3.82 KB	-rw-r--r--
test_functions.py	12.26 KB	-rw-r--r--
test_incomplete.py	1023 B	-rw-r--r--
test_init.py	1.01 KB	-rw-r--r--
test_internals.py	2.57 KB	-rw-r--r--
test_keeprefs.py	3.96 KB	-rw-r--r--
test_libc.py	1005 B	-rw-r--r--
test_loading.py	4.52 KB	-rw-r--r--
test_macholib.py	1.79 KB	-rw-r--r--
test_memfunctions.py	3.22 KB	-rw-r--r--
test_numbers.py	9.07 KB	-rw-r--r--
test_objects.py	1.64 KB	-rw-r--r--
test_parameters.py	6.05 KB	-rw-r--r--
test_pep3118.py	7.65 KB	-rw-r--r--
test_pickling.py	2.17 KB	-rw-r--r--
test_pointers.py	6.95 KB	-rw-r--r--
test_prototypes.py	6.68 KB	-rw-r--r--
test_python_api.py	2.8 KB	-rw-r--r--
test_random_things.py	2.76 KB	-rw-r--r--
test_refcounts.py	2.52 KB	-rw-r--r--
test_repr.py	842 B	-rw-r--r--
test_returnfuncptrs.py	2.83 KB	-rw-r--r--
test_simplesubclasses.py	1.26 KB	-rw-r--r--
test_sizes.py	815 B	-rw-r--r--
test_slicing.py	5.88 KB	-rw-r--r--
test_stringptr.py	2.48 KB	-rw-r--r--
test_strings.py	6.97 KB	-rw-r--r--
test_struct_fields.py	1.47 KB	-rw-r--r--
test_structures.py	16.24 KB	-rw-r--r--
test_unaligned_structures.py	1.19 KB	-rw-r--r--
test_unicode.py	1.72 KB	-rw-r--r--
test_values.py	3.75 KB	-rw-r--r--
test_varsize_struct.py	1.8 KB	-rw-r--r--
test_win32.py	5.16 KB	-rw-r--r--
test_wintypes.py	1.43 KB	-rw-r--r--

Code Editor : test_arrays.py

import unittest
from ctypes import *

from ctypes.test import need_symbol

formats = "bBhHiIlLqQfd"

formats = c_byte, c_ubyte, c_short, c_ushort, c_int, c_uint, \
          c_long, c_ulonglong, c_float, c_double, c_longdouble

class ArrayTestCase(unittest.TestCase):
    def test_simple(self):
        # create classes holding simple numeric types, and check
        # various properties.

init = list(range(15, 25))

for fmt in formats:
            alen = len(init)
            int_array = ARRAY(fmt, alen)

ia = int_array(*init)
            # length of instance ok?
            self.assertEqual(len(ia), alen)

# slot values ok?
            values = [ia[i] for i in range(alen)]
            self.assertEqual(values, init)

# out-of-bounds accesses should be caught
            with self.assertRaises(IndexError): ia[alen]
            with self.assertRaises(IndexError): ia[-alen-1]

# change the items
            from operator import setitem
            new_values = list(range(42, 42+alen))
            [setitem(ia, n, new_values[n]) for n in range(alen)]
            values = [ia[i] for i in range(alen)]
            self.assertEqual(values, new_values)

# are the items initialized to 0?
            ia = int_array()
            values = [ia[i] for i in range(alen)]
            self.assertEqual(values, [0] * alen)

# Too many initializers should be caught
            self.assertRaises(IndexError, int_array, *range(alen*2))

CharArray = ARRAY(c_char, 3)

ca = CharArray(b"a", b"b", b"c")

# Should this work? It doesn't:
        # CharArray("abc")
        self.assertRaises(TypeError, CharArray, "abc")

self.assertEqual(ca[0], b"a")
        self.assertEqual(ca[1], b"b")
        self.assertEqual(ca[2], b"c")
        self.assertEqual(ca[-3], b"a")
        self.assertEqual(ca[-2], b"b")
        self.assertEqual(ca[-1], b"c")

self.assertEqual(len(ca), 3)

# cannot delete items
        from operator import delitem
        self.assertRaises(TypeError, delitem, ca, 0)

def test_numeric_arrays(self):

alen = 5

numarray = ARRAY(c_int, alen)

na = numarray()
        values = [na[i] for i in range(alen)]
        self.assertEqual(values, [0] * alen)

na = numarray(*[c_int()] * alen)
        values = [na[i] for i in range(alen)]
        self.assertEqual(values, [0]*alen)

na = numarray(1, 2, 3, 4, 5)
        values = [i for i in na]
        self.assertEqual(values, [1, 2, 3, 4, 5])

na = numarray(*map(c_int, (1, 2, 3, 4, 5)))
        values = [i for i in na]
        self.assertEqual(values, [1, 2, 3, 4, 5])

def test_classcache(self):
        self.assertIsNot(ARRAY(c_int, 3), ARRAY(c_int, 4))
        self.assertIs(ARRAY(c_int, 3), ARRAY(c_int, 3))

def test_from_address(self):
        # Failed with 0.9.8, reported by JUrner
        p = create_string_buffer(b"foo")
        sz = (c_char * 3).from_address(addressof(p))
        self.assertEqual(sz[:], b"foo")
        self.assertEqual(sz[::], b"foo")
        self.assertEqual(sz[::-1], b"oof")
        self.assertEqual(sz[::3], b"f")
        self.assertEqual(sz[1:4:2], b"o")
        self.assertEqual(sz.value, b"foo")

@need_symbol('create_unicode_buffer')
    def test_from_addressW(self):
        p = create_unicode_buffer("foo")
        sz = (c_wchar * 3).from_address(addressof(p))
        self.assertEqual(sz[:], "foo")
        self.assertEqual(sz[::], "foo")
        self.assertEqual(sz[::-1], "oof")
        self.assertEqual(sz[::3], "f")
        self.assertEqual(sz[1:4:2], "o")
        self.assertEqual(sz.value, "foo")

def test_cache(self):
        # Array types are cached internally in the _ctypes extension,
        # in a WeakValueDictionary.  Make sure the array type is
        # removed from the cache when the itemtype goes away.  This
        # test will not fail, but will show a leak in the testsuite.

# Create a new type:
        class my_int(c_int):
            pass
        # Create a new array type based on it:
        t1 = my_int * 1
        t2 = my_int * 1
        self.assertIs(t1, t2)

def test_subclass(self):
        class T(Array):
            _type_ = c_int
            _length_ = 13
        class U(T):
            pass
        class V(U):
            pass
        class W(V):
            pass
        class X(T):
            _type_ = c_short
        class Y(T):
            _length_ = 187

for c in [T, U, V, W]:
            self.assertEqual(c._type_, c_int)
            self.assertEqual(c._length_, 13)
            self.assertEqual(c()._type_, c_int)
            self.assertEqual(c()._length_, 13)

self.assertEqual(X._type_, c_short)
        self.assertEqual(X._length_, 13)
        self.assertEqual(X()._type_, c_short)
        self.assertEqual(X()._length_, 13)

self.assertEqual(Y._type_, c_int)
        self.assertEqual(Y._length_, 187)
        self.assertEqual(Y()._type_, c_int)
        self.assertEqual(Y()._length_, 187)

def test_bad_subclass(self):
        import sys

with self.assertRaises(AttributeError):
            class T(Array):
                pass
        with self.assertRaises(AttributeError):
            class T(Array):
                _type_ = c_int
        with self.assertRaises(AttributeError):
            class T(Array):
                _length_ = 13
        with self.assertRaises(OverflowError):
            class T(Array):
                _type_ = c_int
                _length_ = sys.maxsize * 2
        with self.assertRaises(AttributeError):
            class T(Array):
                _type_ = c_int
                _length_ = 1.87

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

${this.title}

Code Editor : test_arrays.py