/*
     * (non-Javadoc)
     *
     * @see org.seasar.extension.timer.TimeoutTarget#expired()
     */
    @Override
    public void expired() {
        if (clientConnectionManager == null) {
            logger.warn("clientConnectionManager is null.");
            return;
        }

        try {
            // Close expired connections
            clientConnectionManager.closeExpiredConnections();

        assertEquals("b", result[1]);
        assertEquals("c", result[2]);
    }

    @Test
    public void test_distinct_withNullElements() {
        // Test distinct with null elements
        String[] input = new String[] { "a", null, "b", null, "a" };
        String[] result = invokeDistinct(input);
        assertEquals(3, result.length);
        assertEquals("a", result[0]);
        assertNull(result[1]);

        try {
            final SmbFileHandleImpl h = this.handle;
            if (h != null) {
                h.close();
            }
        } catch (final SmbException se) {
            throw seToIoe(se);
        } finally {
            this.tmp = null;
            this.handle = null;
            if (this.unsharedFile) {
                this.file.close();
            }
        }
    }

        }

        // Should try initial + maxRetryCount times (1 + 3 = 4)
        assertEquals(4, attemptCount.get());
    }

    /**
     * Test: Null safety in connect() when targetIndices is null
     * Verifies that connect() handles null targetIndices gracefully
     */
    @Test
    public void testConnectWithNullTargetIndices() {
        final AdminClient mockAdminClient = mock(AdminClient.class);

    assertTrue("An Object should be equal to itself.", collection.equals(collection));
  }

  // Comparisons to null *are* defined.
  @SuppressWarnings("UndefinedEquals")
  public void testEquals_null() {
    // noinspection ObjectEqualsNull
    assertFalse("An object should not be equal to null.", collection.equals(null));
  }

  // A collection should essentially never be equal to a non-collection.
  @SuppressWarnings("UndefinedEquals")

        buffer.append("Could not find goal '").append(goal).append('\'');

        if (pluginDescriptor != null) {
            buffer.append(" in plugin ").append(pluginDescriptor.getId());

            buffer.append(" among available goals ");
            List<MojoDescriptor> mojos = pluginDescriptor.getMojos();
            if (mojos != null) {
                for (Iterator<MojoDescriptor> it = mojos.iterator(); it.hasNext(); ) {

z(e){return["top","bottom"].indexOf(e)>=0?"x":"y"}function X(e){var t,n=e.reference,r=e.element,o=e.placement,i=o?F(o):null,a=o?U(o):null,s=n.x+n.width/2-r.width/2,f=n.y+n.height/2-r.height/2;switch(i){case D:t={x:s,y:n.y-r.height};break;case A:t={x:s,y:n.y+n.height};break;case L:t={x:n.x+n.width,y:f};break;case P:t={x:n.x-r.width,y:f};break;default:t={x:n.x,y:n.y}}var c=i?z(i):null;if(null!=c){var p="y"===c?"height":"width";switch(a){case W:t[c]=t[c]-(n[p]/2-r[p]/2);break;case B:t[c]=t[c]+(n[p]/2-r[p]/2)}}return...

        UnaryOperator<String> callback = v -> {
            String r = request.getUserProperties().getProperty(v);
            if (r == null) {
                r = request.getSystemProperties().getProperty(v);
            }
            return r != null ? r : v;
        };
        return v -> interpolator.interpolate(v, callback);
    }

    static class SimpleSession extends DefaultSession {

                .value() > 0);
    }

    @Test
    public void test_poll_emptyQueueTx() {
        final String sessionId = "poll_session1";

        // Poll from empty queue should return null
        final OpenSearchUrlQueue result = urlQueueService.poll(sessionId);
        assertNull(result);
    }

    @Test
    public void test_poll_singleItemTx() {

    }

    /**
     * Test putResultDataBody with null handling
     */
    @Test
    public void test_putResultDataBody_withNullValues() {
        TestFessTransformer transformer = new TestFessTransformer();
        Map<String, Object> dataMap = new HashMap<>();

        // Add null value
        transformer.putResultDataBody(dataMap, "nullable", null);
        assertNull(dataMap.get("nullable"));