// Verify - when wire format is 0, readTime returns a negative value due to the 1601-1970 conversion
        assertEquals(0, fileBothDirectoryInfo.getNextEntryOffset());
        assertEquals(0, fileBothDirectoryInfo.getFileIndex());
        // For time fields, 0 in the wire format means Jan 1, 1601, which is negative in Unix epoch
        assertTrue(fileBothDirectoryInfo.createTime() < 0);

        void nullName() {
            FileEntry mock = mock(FileEntry.class);
            when(mock.getName()).thenReturn(null);
            assertNull(mock.getName());
        }

        @Test
        @DisplayName("Negative length is allowed via mock")
        void negativeLength() {
            FileEntry mock = mock(FileEntry.class);
            when(mock.length()).thenReturn(-10L);
            assertEquals(-10L, mock.length());
        }

  @CanIgnoreReturnValue
  public FakeTicker setAutoIncrementStep(long autoIncrementStep, TimeUnit timeUnit) {
    checkArgument(autoIncrementStep >= 0, "May not auto-increment by a negative amount");
    this.autoIncrementStepNanos = timeUnit.toNanos(autoIncrementStep);
    return this;
  }

  /**
   * Sets the increment applied to the ticker whenever it is queried.
   *

 * This is only necessary for default components using @Typed that want to support overriding.
 *
 * As a non-default component this now gets a negative priority relative to other implementations
 * of the same interface. Since we want to allow overriding this doesn't matter in this case.
 * (if it did we could add @Priority of 0 to match the priority given to default components.)

        assertEquals(Integer.MAX_VALUE, negotiationResponse.getReceiveBufferSize());
        assertEquals(Integer.MAX_VALUE, negotiationResponse.getTransactionBufferSize());

        // Test negative values (though not typical, should be tested)
        when(negotiationResponse.getSendBufferSize()).thenReturn(-1);
        when(negotiationResponse.getReceiveBufferSize()).thenReturn(-1);

    initCollectionWithNullElement();
    try {
      assertSetCount(null, 1);
    } catch (UnsupportedOperationException tolerated) {
    }
  }

  // Negative count.

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  public void testSetCount_negative_removeSupported() {
    assertThrows(IllegalArgumentException.class, () -> setCountNoCheckReturnValue(e3(), -1));
  }

    return new UnsignedLong(bits);
  }

  /**
   * Returns an {@code UnsignedLong} representing the same value as the specified {@code long}.
   *
   * @throws IllegalArgumentException if {@code value} is negative
   * @since 14.0
   */
  @CanIgnoreReturnValue
  public static UnsignedLong valueOf(long value) {
    checkArgument(value >= 0, "value (%s) is outside the range for an unsigned long value", value);

  @Override
  public int add(@ParametricNullness E element, int occurrences) {
    if (occurrences == 0) {
      return count(element);
    }
    checkArgument(occurrences > 0, "occurrences cannot be negative: %s", occurrences);
    Count frequency = backingMap.get(element);
    int oldCount;
    if (frequency == null) {
      oldCount = 0;
      backingMap.put(element, new Count(occurrences));
    } else {

import java.util.Arrays;
import java.util.Comparator;

/**
 * Static utility methods pertaining to {@code int} primitives that interpret values as
 * <i>unsigned</i> (that is, any negative value {@code x} is treated as the positive value {@code
 * 2^32 + x}). The methods for which signedness is not an issue are in {@link Ints}, as well as
 * signed versions of methods for which signedness is an issue.
 *

## Fonctionnalités { #features }