SmbFile dir = Mockito.mock(SmbFile.class);
        SmbFilenameFilter filter = (d, n) -> n.equalsIgnoreCase("hello.txt");
        assertFalse(filter.accept(dir, "world.txt"));
    }

    @Test
    void acceptHandlesNullName() throws Exception {
        SmbFile dir = Mockito.mock(SmbFile.class);
        SmbFilenameFilter filter = (d, n) -> n != null && n.startsWith("a");
        assertFalse(filter.accept(dir, null));
    }

    @Test