* href="https://github.com/google/guava/wiki/PrimitivesExplained">primitive utilities</a>.
 *
 * @author Kevin Bourrillion
 * @since 1.0
 */
@GwtCompatible
public final class Longs {
  private Longs() {}

  /**
   * The number of bytes required to represent a primitive {@code long} value.
   *
   * <p>Prefer {@link Long#BYTES} instead.
   */
  public static final int BYTES = Long.BYTES;

  /**

  // Java 2nd Edition Item 76: Write readObject methods defensively.
  private transient AtomicLongArray longs;

  /**
   * Creates a new {@code AtomicDoubleArray} of the given length, with all elements initially zero.
   *
   * @param length the length of the array
   */
  public AtomicDoubleArray(int length) {
    this.longs = new AtomicLongArray(length);
  }

  /**

            ListTestSuiteBuilder.using(new LongsAsListTailSubListGenerator())
                .named("Longs.asList, tail subList"),
            ListTestSuiteBuilder.using(new LongsAsListMiddleSubListGenerator())
                .named("Longs.asList, middle subList"));

    TestSuite suite = new TestSuite();
    for (ListTestSuiteBuilder<Long> builder : builders) {
      suite.addTest(
          builder

            ListTestSuiteBuilder.using(new LongsAsListTailSubListGenerator())
                .named("Longs.asList, tail subList"),
            ListTestSuiteBuilder.using(new LongsAsListMiddleSubListGenerator())
                .named("Longs.asList, middle subList"));

    TestSuite suite = new TestSuite();
    for (ListTestSuiteBuilder<Long> builder : builders) {
      suite.addTest(
          builder

        "it.unimi.dsi.fastutil.objects.Reference2ObjectOpenHashMap",
        // For dependency management
        "it.unimi.dsi.fastutil.longs.Long2ObjectMap",
        "it.unimi.dsi.fastutil.longs.Long2ObjectMaps",
        "it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap",
        // For the configuration cache module
        "it.unimi.dsi.fastutil.objects.ReferenceArrayList",

  public static final long MAX_VALUE = -1L; // Equivalent to 2^64 - 1

  /**
   * A (self-inverse) bijection which converts the ordering on unsigned longs to the ordering on
   * longs, that is, {@code a <= b} as unsigned longs if and only if {@code flip(a) <= flip(b)} as
   * signed longs.
   */
  private static long flip(long a) {
    return a ^ Long.MIN_VALUE;
  }

  /**

import static com.google.common.base.Preconditions.checkPositionIndexes;

import com.google.common.primitives.Chars;
import com.google.common.primitives.Ints;
import com.google.common.primitives.Longs;
import com.google.common.primitives.Shorts;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import org.jspecify.annotations.Nullable;

/**

   * @since 23.0
   */
  public static ContiguousSet<Long> closed(long lower, long upper) {
    return create(Range.closed(lower, upper), DiscreteDomain.longs());
  }

  /**
   * Returns a contiguous set containing all {@code int} values from {@code lower} (inclusive) to
   * {@code upper} (exclusive). If the endpoints are equal, an empty set is returned. (These are the

    }

    /**
     * Parameterised test of capacity values, including edge cases such as
     * zero and negative capacities.
     */
    @ParameterizedTest
    @ValueSource(longs = { 0L, -1L, Long.MAX_VALUE })
    @DisplayName("capacity may be any long value")
    void testCapacityEdgeValues(long capacity) {
        when(mockAllocInfo.getCapacity()).thenReturn(capacity);

    @ParameterizedTest
    @ValueSource(longs = { 0L, 1L, 0xFFFFFFFFL, 0x12345678L, 0x80000000L })
    void testWriteReadInt4RoundTrip(long input) {
        byte[] buffer = new byte[8];
        SMBUtil.writeInt4(input, buffer, 0);
        int result = SMBUtil.readInt4(buffer, 0);
        assertEquals((int) (input & 0xFFFFFFFFL), result);
    }

    @ParameterizedTest