public interface MyLibrary extends Library {
NSSize objc_msgSend(ID receiver, Selector selector, Object... args);
}
@Test public void test() throws Exception {
NSSize aSize = new NSSize(1f, 3f);
NSValue value = NSValue.CLASS.valueWithSize(aSize);
Foundation.send(value.id(), Foundation.selector("sizeValue"), NSSize.class);
NSSize size = value.sizeValue();
// fails here with jna 3.0.6+ in Java 1.5, see StaticStructureReturnTest
assertEquals(1.0, size.width.doubleValue(), 0.0001);
assertEquals(3.0, size.height.doubleValue(), 0.0001);
}