}
    }

    @Nested
    @DisplayName("Encoding Tests")
    class EncodingTests {

        @Test
        @DisplayName("encode_in should handle null binding gracefully")
        void testEncodeInWithNullBinding() throws Exception {
            // Given
            when(mockHandle.getMaxXmit()).thenReturn(1024);
            when(mockHandle.getMaxRecv()).thenReturn(1024);