assertEquals(0, defaultBind.getOpnum(), "Default opnum should be 0");
        }

        @Test
        @DisplayName("Package constructor should initialize with binding and handle")
        void testPackageConstructor() throws Exception {
            // Given
            int maxXmit = 4096;
            int maxRecv = 4096;
            when(mockHandle.getMaxXmit()).thenReturn(maxXmit);