}

    @Test
    public void test_run_maxBufferSizeConstant() {
        assertEquals(1000, InputStreamThread.MAX_BUFFER_SIZE);
    }

    @Test
    public void test_run_withMaxBufferSize() throws InterruptedException {
        StringBuilder inputBuilder = new StringBuilder();
        for (int i = 1; i <= 1005; i++) {
            inputBuilder.append("line").append(i).append("\n");
        }

        searchRenderData.setAllRecordCount(0L);
        assertEquals(0L, searchRenderData.getAllRecordCount());

        // Test with positive values
        searchRenderData.setAllRecordCount(100L);
        assertEquals(100L, searchRenderData.getAllRecordCount());

        searchRenderData.setAllRecordCount(Long.MAX_VALUE);
        assertEquals(Long.MAX_VALUE, searchRenderData.getAllRecordCount());

    ticker.advance(1);
    assertThat(stopwatch.toString()).isEqualTo("1.000 ns");
    ticker.advance(998);
    assertThat(stopwatch.toString()).isEqualTo("999.0 ns");
    ticker.advance(1);
    assertThat(stopwatch.toString()).isEqualTo("1.000 \u03bcs");
    ticker.advance(1);
    assertThat(stopwatch.toString()).isEqualTo("1.001 \u03bcs");
    ticker.advance(8998);

        CacheBuilder.newBuilder().expireAfterAccess(1000, MILLISECONDS).ticker(fakeTicker).build();

    cache.put(0, 10);
    cache.put(2, 30);

    fakeTicker.advance(999, MILLISECONDS);
    assertThat(cache.getIfPresent(2)).isEqualTo(30);
    fakeTicker.advance(1, MILLISECONDS);
    assertThat(cache.getIfPresent(2)).isEqualTo(30);
    fakeTicker.advance(1000, MILLISECONDS);
    assertThat(cache.getIfPresent(0)).isNull();

        CacheBuilder.newBuilder().expireAfterAccess(1000, MILLISECONDS).ticker(fakeTicker).build();

    cache.put(0, 10);
    cache.put(2, 30);

    fakeTicker.advance(999, MILLISECONDS);
    assertThat(cache.getIfPresent(2)).isEqualTo(30);
    fakeTicker.advance(1, MILLISECONDS);
    assertThat(cache.getIfPresent(2)).isEqualTo(30);
    fakeTicker.advance(1000, MILLISECONDS);
    assertThat(cache.getIfPresent(0)).isNull();

                assertEquals(11, list.getCurrentPageNumber());
                assertEquals(1001, list.getCurrentStartRecordNumber());
                assertEquals(offset, list.getOffset());
                assertEquals(100, list.getPageSize());
                assertEquals(1000, list.getStart());
                assertEquals("955", list.get(0).get(ID_FIELD));

        public Integer getSuggestUpdateRequestIntervalAsInteger() {
            return 1000;
        }

        @Override
        public Integer getSuggestUpdateDocPerRequestAsInteger() {
            return 100;
        }

        @Override
        public Integer getSuggestSourceReaderScrollSizeAsInteger() {
            return 1000;
        }

        @Override

    }

    @Test
    public void test_smartSummary_headTailRatio() {
        // Use 1000-char content with summaryMaxChars=500, no sources
        // omitMarker="\n...[omitted]...\n" (17 chars), suffix="", bodyBudget=500-0-17=483
        // headChars = (int)(483 * 0.6) = 289, tailChars = 483 - 289 = 194
        final String content = "A".repeat(1000);
        final ChatMessage msg = ChatMessage.assistantMessage(content);

        assertTrue("Test should complete quickly (duration: " + duration + "ms)", duration < 1000);
    }

    // Fast mock implementations to minimize overhead

    private static class FastMockIndexUpdateCallback implements IndexUpdateCallback {
        @Override
        public long getExecuteTime() {
            return 100L;
        }

        @Override
        public long getDocumentSize() {

    return ImmutableList.of(
        Striped.readWriteLock(100),
        Striped.readWriteLock(256),
        Striped.lock(100),
        Striped.lock(256),
        Striped.custom(100, FAIR_LOCK_SUPPLER),
        Striped.custom(256, FAIR_LOCK_SUPPLER),
        Striped.semaphore(100, 1),
        Striped.semaphore(256, 1));
  }