intResult = proxy.add(new int[] {1, 2});
assertEquals(intResult, 3);
// Test protobufs
EnumDescriptorProto sendProto =
EnumDescriptorProto.newBuilder().setName("test").build();
EnumDescriptorProto retProto = proxy.exchangeProto(sendProto);
assertEquals(sendProto, retProto);
assertNotSame(sendProto, retProto);
boolean caught = false;
try {