int available = stream.available();
        assertEquals(0, available, "Disconnected/server-closed should yield 0 available");

        verify(fd, times(1)).markClosed();
        verify(tree, times(1)).close();
        verify(fd, times(1)).close();
    }

    @Test
    @DisplayName("available() on SMB1 returns reported available when connected")

        return resourceId;
    }

    /**
     * Mark a resource as closed
     *
     * @param resourceId the resource ID
     */
    public void markClosed(String resourceId) {
        ResourceHolder holder = activeResources.get(resourceId);
        if (holder != null) {
            holder.closed = true;
            totalReleased.incrementAndGet();