public void ReturnsNullPtrWhenNullBytes()
{
var target = new MarshallingService();
var result = target.ByteArrayToPtr(null);
Assert.AreEqual(IntPtr.Zero, result);
}
public void MarshalsTheByteArrayToAPtrAsExpected()
{
IntPtr ptr = IntPtr.Zero;
try
{
var bytes = new byte[] { 1, 2, 3, 4, 5 };
var target = new MarshallingService();
var result = target.ByteArrayToPtr(bytes);
Assert.True(result != IntPtr.Zero);
}
finally
{
if (ptr != IntPtr.Zero)
{
Marshal.FreeHGlobal(ptr);
}
}
}
public void MarshalsThePtrToByteArrayAsExpected()
{
IntPtr ptr = IntPtr.Zero;
try
{
var bytes = new byte[] { 1, 2, 3, 4 };
var target = new MarshallingService();
ptr = target.ByteArrayToPtr(bytes);
var result = target.PtrToByteArray(ptr, bytes.Length);
CollectionAssert.AreEqual(bytes, result);
}
finally
{
if (ptr != IntPtr.Zero)
{
Marshal.FreeHGlobal(ptr);
}
}
}
