setTree(c2, other);
        assertFalse(c1.isSame(c2));
    }

    @Test
    @DisplayName("hasCapability throws when not connected")
    void hasCapability_notConnected_throws() {
        SmbTreeConnection c = newConn();
        SmbException ex = assertThrows(SmbException.class, () -> c.hasCapability(1));
        assertTrue(ex.getMessage().contains("Not connected"));
    }