}

  /** Returns a hash function implementing the SHA-256 algorithm (256 hash bits). */
  public static HashFunction sha256() {
    return Sha256Holder.SHA_256;
  }

  private static class Sha256Holder {
    static final HashFunction SHA_256 =
        new MessageDigestHashFunction("SHA-256", "Hashing.sha256()");
  }

  /**

      assertThat(UnsignedBytes.parseUnsignedByte(Integer.toString(i))).isEqualTo((byte) i);
    }
    assertParseFails("1000");
    assertParseFails("-1");
    assertParseFails("-128");
    assertParseFails("256");
  }

  public void testMaxValue() {
    assertThat(UnsignedBytes.compare(UnsignedBytes.MAX_VALUE, (byte) (UnsignedBytes.MAX_VALUE + 1)))
        .isGreaterThan(0);
  }

        };
    assertThat(actual)
        .containsExactly(
            1,
            2,
            4,
            8,
            16,
            32,
            64,
            128,
            256,
            512,
            1024,
            2048,
            4096,
            8192,
            16384,
            32768,
            65536,
            131072,
            262144,

  public void testResizeTable() {
    verifyTableSize(100, 2, 4);
    verifyTableSize(100, 5, 8);
    verifyTableSize(100, 33, 64);
    verifyTableSize(60, 60, 128);
    verifyTableSize(120, 60, 256);
    // if the table is only double the necessary size, we don't bother resizing it
    verifyTableSize(180, 60, 128);
    // but if it's even bigger than double, we rebuild the table
    verifyTableSize(17, 17, 32);

        };
    assertThat(actual)
        .containsExactly(
            1,
            2,
            4,
            8,
            16,
            32,
            64,
            128,
            256,
            512,
            1024,
            2048,
            4096,
            8192,
            16384,
            32768,
            65536,
            131072,
            262144,

import sun.misc.Unsafe;

/**
 * Static utility methods pertaining to {@code byte} primitives that interpret values as
 * <i>unsigned</i> (that is, any negative value {@code b} is treated as the positive value {@code
 * 256 + b}). The corresponding methods that treat the values as signed are found in {@link
 * SignedBytes}, and the methods for which signedness is not an issue are in {@link Bytes}.
 *
 * <p>See the Guava User Guide article on <a

      assertThat(UnsignedBytes.parseUnsignedByte(Integer.toString(i))).isEqualTo((byte) i);
    }
    assertParseFails("1000");
    assertParseFails("-1");
    assertParseFails("-128");
    assertParseFails("256");
  }

  public void testMaxValue() {
    assertThat(UnsignedBytes.compare(UnsignedBytes.MAX_VALUE, (byte) (UnsignedBytes.MAX_VALUE + 1)))
        .isGreaterThan(0);
  }

  public void testNewArrayListWithCapacity() {
    ArrayList<Integer> list = Lists.newArrayListWithCapacity(0);
    assertEquals(Collections.emptyList(), list);

    ArrayList<Integer> bigger = Lists.newArrayListWithCapacity(256);
    assertEquals(Collections.emptyList(), bigger);
  }

  public void testNewArrayListWithCapacity_negative() {
    try {
      Lists.newArrayListWithCapacity(-1);
      fail();

      }
    }
  }

  public void testCorrectOrdering_mediumHeapsPollFirst() {
    for (int attempts = 0; attempts < reduceIterationsIfGwt(5000); attempts++) {
      int size = new Random().nextInt(256) + 16;
      ArrayList<Integer> elements = createOrderedList(size);
      List<Integer> expected = ImmutableList.copyOf(elements);
      MinMaxPriorityQueue<Integer> q = MinMaxPriorityQueue.create();

  public void testNewArrayListWithCapacity() {
    ArrayList<Integer> list = Lists.newArrayListWithCapacity(0);
    assertEquals(Collections.emptyList(), list);

    ArrayList<Integer> bigger = Lists.newArrayListWithCapacity(256);
    assertEquals(Collections.emptyList(), bigger);
  }

  public void testNewArrayListWithCapacity_negative() {
    try {
      Lists.newArrayListWithCapacity(-1);
      fail();