assertEquals(1, LogStream.level);

        LogStream.setLevel(3);
        assertEquals(3, LogStream.level);

        LogStream.setLevel(10);
        assertEquals(10, LogStream.level);

        // Test negative level
        LogStream.setLevel(-1);
        assertEquals(-1, LogStream.level);
    }

    @Test
    void testGetInstanceWithoutSetInstance() {
        // Test getInstance when no instance has been set

                .toList();

        private Impl(int maxCountLimit, Predicate<? super P> filter) {
            if (maxCountLimit < 0) {
                throw new IllegalArgumentException("maxCountLimit must be non-negative");
            }
            this.maxCountLimit = maxCountLimit;
            this.totalCount = new AtomicInteger();
            this.counters = new ConcurrentHashMap<>();

   * @return a new, empty {@code ObjectCountLinkedHashMap} with enough capacity to hold {@code
   *     expectedSize} elements without resizing
   * @throws IllegalArgumentException if {@code expectedSize} is negative
   */
  static <K extends @Nullable Object> ObjectCountLinkedHashMap<K> createWithExpectedSize(
      int expectedSize) {
    return new ObjectCountLinkedHashMap<K>(expectedSize);
  }

        // Assert: verify interaction and returned value
        verify(renewable, times(1)).renew();
        assertSame(returned, result, "renew() should return the stubbed value");

        // Negative interaction check: no further interactions with the mock
        verifyNoMoreInteractions(renewable);
    }

    @Test
    @DisplayName("Edge: calling renew() on a null reference throws NPE")

   * @throws IllegalArgumentException if {@code limitSize} is negative
   * @since 3.0
   */
  public static <T extends @Nullable Object> Iterable<T> limit(
      Iterable<T> iterable, int limitSize) {
    checkNotNull(iterable);
    checkArgument(limitSize >= 0, "limit is negative");
    return new FluentIterable<T>() {
      @Override
      public Iterator<T> iterator() {

        }

        @Test
        @DisplayName("Should handle negative offset")
        void testNegativeOffset() {
            request.setOffset(-1L);
            request.setData(new byte[10], 0, 10);

            byte[] buffer = new byte[256];
            int bytesWritten = request.writeBytesWireFormat(buffer, 0);

            // Negative value should be written as-is (interpreted as unsigned by receiver)

      // Since index and (dataset.length - 1) are non-negative ints, their product can be expressed
      // as a long, without risk of overflow:
      long numerator = (long) index * (dataset.length - 1);
      // Since scale is a positive int, index is in [0, scale], and (dataset.length - 1) is a
      // non-negative int, we can do long-arithmetic on index * (dataset.length - 1) / scale to get

        }

        @Test
        @DisplayName("Should handle negative status codes")
        void testNegativeStatusCode() throws SMBProtocolDecodingException {
            byte[] buffer = new byte[256];
            System.arraycopy(SMBUtil.SMB2_HEADER, 0, buffer, 0, 4);
            SMBUtil.writeInt4(-1, buffer, 8); // negative status

            // Write error response structure at offset 64

 */
package org.codelibs.fess.rank.fusion;

import java.util.HashMap;
import java.util.Locale;
import java.util.Map;

import org.apache.lucene.search.TotalHits.Relation;
import org.codelibs.fess.entity.FacetInfo;
import org.codelibs.fess.entity.GeoInfo;
import org.codelibs.fess.entity.HighlightInfo;
import org.codelibs.fess.entity.SearchRequestParams;

        // When assigned to a long field, it gets sign-extended
        int readLen = response.readParameterWordsWireFormat(bytes, 0);
        long expectedOffset = expectedInt; // Sign extension happens here for negative values
        assertEquals(expectedOffset, response.getOffset(), "Offset should match decoded value");
        assertEquals(4, readLen, "Byte count returned should be 4");
    }

    @Test