* in the returned list. The {@code add}, {@code addAll} and {@code set} methods are unsupported
   * in the returned list.
   *
   * <p>The function is applied lazily, invoked when needed. This is necessary for the returned list
   * to be a view, but it means that the function will be applied many times for bulk operations

   *
   * @param hash the hash code for the key
   * @return the segment
   */
  Segment<K, V> segmentFor(int hash) {
    // TODO(fry): Lazily create segments?
    return segments[(hash >>> segmentShift) & segmentMask];
  }

  Segment<K, V> createSegment(
      int initialCapacity, long maxSegmentWeight, StatsCounter statsCounter) {

  }

  public void testToString() {
    // We can easily afford to test this exhaustively.
    for (int i = 0; i <= 0xff; i++) {
      assertThat(UnsignedBytes.toString((byte) i)).isEqualTo(Integer.toString(i));
    }
  }

  public void testToStringWithRadix() {
    // We can easily afford to test this exhaustively.

   * its runtime check.
   *
   * <p>An example use case for this method is in implementing an {@code Iterator<T>} whose {@code
   * next} field is lazily initialized. The type of that field would be {@code @Nullable T}, and the
   * code would be responsible for populating a "real" {@code T} (which might still be the value

 * stripes (locks/semaphores) are initialized eagerly, and are not reclaimed unless {@code Striped}
 * itself is reclaimable. <i>Weak</i> means that locks/semaphores are created lazily, and they are
 * allowed to be reclaimed if nobody is holding on to them. This is useful, for example, if one
 * wants to create a {@code Striped<Lock>} of many locks, but worries that in most cases only a

 * so.
 */
@GwtIncompatible
@ElementTypesAreNonnullByDefault
abstract class Striped64 extends Number {
  /*
   * This class maintains a lazily-initialized table of atomically
   * updated variables, plus an extra "base" field. The table size
   * is a power of two. Indexing uses masked per-thread hash codes.
   * Nearly all declarations in this class are package-private,

import junit.framework.TestCase;
import junit.framework.TestSuite;

/** @author Kevin Bourrillion */
@GwtCompatible(emulated = true)
public class ImmutableLongArrayTest extends TestCase {
  // Test all creation paths very lazily: by assuming asList() works

  public void testOf0() {
    assertThat(ImmutableLongArray.of().asList()).isEmpty();
  }

  public void testOf1() {
    assertThat(ImmutableLongArray.of(0).asList()).containsExactly(0L);

import junit.framework.TestCase;
import junit.framework.TestSuite;

/** @author Kevin Bourrillion */
@GwtCompatible(emulated = true)
public class ImmutableDoubleArrayTest extends TestCase {
  // Test all creation paths very lazily: by assuming asList() works

  public void testOf0() {
    assertThat(ImmutableDoubleArray.of().asList()).isEmpty();
  }

  public void testOf1() {

    return (reader instanceof BufferedReader)
        ? (BufferedReader) reader
        : new BufferedReader(reader);
  }

  /**
   * Returns the size of this source in chars, if the size can be easily determined without actually
   * opening the data stream.
   *
   * <p>The default implementation returns {@link Optional#absent}. Some sources, such as a {@code

  // case, but we do check that its API still has the same public methods. We exclude some methods
  // that were added in Java 9 and that people probably weren't calling via Invokable, namely
  // `boolean canAccess(Object)` and `boolean trySetAccessible()`.
  public void testApiCompatibleWithAccessibleObject() {
    ImmutableSet<String> invokableMethods =