}

    // Edge inputs: null context returns null session per mock setup
    @Test
    @DisplayName("getSmbSession(ctx) with null context returns null as stubbed")
    void getSmbSession_byContext_null() {
        when(transport.getSmbSession(isNull(jcifs.CIFSContext.class))).thenReturn(null);
        assertNull(transport.getSmbSession((jcifs.CIFSContext) null));