[ctypes-commit] ctypes/unittests test_buffers.py,NONE,1.1

[Thomas H. <th...@us...>]

Update of /cvsroot/ctypes/ctypes/unittests
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv16294

Added Files:
	test_buffers.py 
Log Message:
Tests for create_string_buffer() and create_unicode buffer().


--- NEW FILE: test_buffers.py ---
from ctypes import *
import unittest

class StringBufferTestCase(unittest.TestCase):

    def test_buffer(self):
        b = create_string_buffer(32)
        self.failUnlessEqual(len(b), 32)
        self.failUnlessEqual(sizeof(b), 32 * sizeof(c_char))
        self.failUnless(type(b[0]) is str)
        
        b = create_string_buffer("abc")
        self.failUnlessEqual(len(b), 4) # trailing nul char
        self.failUnlessEqual(sizeof(b), 4 * sizeof(c_char))
        self.failUnless(type(b[0]) is str)
        self.failUnlessEqual(b[0], "a")
        self.failUnlessEqual(b[:], "abc\0")
        
    def test_string_conversion(self):
        b = create_string_buffer(u"abc")
        self.failUnlessEqual(len(b), 4) # trailing nul char
        self.failUnlessEqual(sizeof(b), 4 * sizeof(c_char))
        self.failUnless(type(b[0]) is str)
        self.failUnlessEqual(b[0], "a")
        self.failUnlessEqual(b[:], "abc\0")

    try:
        c_wchar
    except NameError:
        pass
    else:
        def test_unicode_buffer(self):
            b = create_unicode_buffer(32)
            self.failUnlessEqual(len(b), 32)
            self.failUnlessEqual(sizeof(b), 32 * sizeof(c_wchar))
            self.failUnless(type(b[0]) is unicode)

            b = create_unicode_buffer(u"abc")
            self.failUnlessEqual(len(b), 4) # trailing nul char
            self.failUnlessEqual(sizeof(b), 4 * sizeof(c_wchar))
            self.failUnless(type(b[0]) is unicode)
            self.failUnlessEqual(b[0], u"a")
            self.failUnlessEqual(b[:], "abc\0")

        def test_unicode_conversion(self):
            b = create_unicode_buffer("abc")
            self.failUnlessEqual(len(b), 4) # trailing nul char
            self.failUnlessEqual(sizeof(b), 4 * sizeof(c_wchar))
            self.failUnless(type(b[0]) is unicode)
            self.failUnlessEqual(b[0], u"a")
            self.failUnlessEqual(b[:], "abc\0")

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