def testWriteByte(self):
data = Marshal.AllocHGlobal(1)
CPyMarshal.WriteByte(data, 0)
self.assertEquals(Marshal.ReadByte(data), 0, "wrong")
CPyMarshal.WriteByte(data, 255)
self.assertEquals(Marshal.ReadByte(data), 255, "wrong")
Marshal.FreeHGlobal(data)
def testZero(self):
bufferlen = 200
zerolen = 173
data = Marshal.AllocHGlobal(bufferlen)
this = data
for _ in xrange(bufferlen):
CPyMarshal.WriteByte(this, 255)
this = OffsetPtr(this, 1)
CPyMarshal.Zero(data, zerolen)
this = data
for i in xrange(bufferlen):
actual = CPyMarshal.ReadByte(this)
expected = (255, 0)[i < zerolen]
self.assertEquals(
actual, expected,
"wrong value at %d (%d, %d)" % (i, actual, expected))
this = OffsetPtr(this, 1)
Marshal.FreeHGlobal(data)
