Current Path : /usr/local/lib/python2.5/ctypes/test/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/local/lib/python2.5/ctypes/test/test_arrays.py |
import unittest from ctypes import * formats = "bBhHiIlLqQfd" formats = c_byte, c_ubyte, c_short, c_ushort, c_int, c_uint, \ c_long, c_ulonglong, c_float, c_double class ArrayTestCase(unittest.TestCase): def test_simple(self): # create classes holding simple numeric types, and check # various properties. init = range(15, 25) for fmt in formats: alen = len(init) int_array = ARRAY(fmt, alen) ia = int_array(*init) # length of instance ok? self.failUnlessEqual(len(ia), alen) # slot values ok? values = [ia[i] for i in range(len(init))] self.failUnlessEqual(values, init) # change the items from operator import setitem new_values = range(42, 42+alen) [setitem(ia, n, new_values[n]) for n in range(alen)] values = [ia[i] for i in range(len(init))] self.failUnlessEqual(values, new_values) # are the items initialized to 0? ia = int_array() values = [ia[i] for i in range(len(init))] self.failUnlessEqual(values, [0] * len(init)) # Too many in itializers should be caught self.assertRaises(IndexError, int_array, *range(alen*2)) CharArray = ARRAY(c_char, 3) ca = CharArray("a", "b", "c") # Should this work? It doesn't: # CharArray("abc") self.assertRaises(TypeError, CharArray, "abc") self.failUnlessEqual(ca[0], "a") self.failUnlessEqual(ca[1], "b") self.failUnlessEqual(ca[2], "c") self.failUnlessEqual(ca[-3], "a") self.failUnlessEqual(ca[-2], "b") self.failUnlessEqual(ca[-1], "c") self.failUnlessEqual(len(ca), 3) # slicing is now supported, but not extended slicing (3-argument)! from operator import getslice, delitem self.assertRaises(TypeError, getslice, ca, 0, 1, -1) # cannot delete items 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.failUnlessEqual(values, [0] * alen) na = numarray(*[c_int()] * alen) values = [na[i] for i in range(alen)] self.failUnlessEqual(values, [0]*alen) na = numarray(1, 2, 3, 4, 5) values = [i for i in na] self.failUnlessEqual(values, [1, 2, 3, 4, 5]) na = numarray(*map(c_int, (1, 2, 3, 4, 5))) values = [i for i in na] self.failUnlessEqual(values, [1, 2, 3, 4, 5]) def test_classcache(self): self.failUnless(not ARRAY(c_int, 3) is ARRAY(c_int, 4)) self.failUnless(ARRAY(c_int, 3) is ARRAY(c_int, 3)) def test_from_address(self): # Failed with 0.9.8, reported by JUrner p = create_string_buffer("foo") sz = (c_char * 3).from_address(addressof(p)) self.failUnlessEqual(sz[:], "foo") self.failUnlessEqual(sz.value, "foo") try: create_unicode_buffer except NameError: pass else: def test_from_addressW(self): p = create_unicode_buffer("foo") sz = (c_wchar * 3).from_address(addressof(p)) self.failUnlessEqual(sz[:], "foo") self.failUnlessEqual(sz.value, "foo") if __name__ == '__main__': unittest.main()