verify(handle, times(1)).close(0L);
    }

    // close() should do nothing when handle is invalid
    @Test
    @DisplayName("close() does nothing when handle invalid")
    void close_invalidHandle_doesNothing() throws Exception {
        when(handle.isValid()).thenReturn(false);
        SmbWatchHandleImpl sut = new SmbWatchHandleImpl(handle, 0, false);

        sut.close();