assertFalse(Objects.equal("1", 1));
  }

  public void testHashCode() throws Exception {
    int h1 = Objects.hashCode(1, "two", 3.0);
    int h2 = Objects.hashCode(Integer.valueOf(1), new String("two"), Double.valueOf(3.0));
    // repeatable
    assertEquals(h1, h2);

    // These don't strictly need to be true, but they're nice properties.

          throw new AssertionError("Should never get here.");
      }
      h1 ^= mixK1(k1);
      h2 ^= mixK2(k2);
    }

    @Override
    protected HashCode makeHash() {
      h1 ^= length;
      h2 ^= length;

      h1 += h2;
      h2 += h1;

      h1 = fmix64(h1);
      h2 = fmix64(h2);

      h1 += h2;
      h2 += h1;

      return HashCode.fromBytesNoCopy(

  private static void assertPutString(char[] chars) {
    Hasher h1 = new NonStreamingVersion().newHasher();
    Hasher h2 = new NonStreamingVersion().newHasher();
    String s = new String(chars);
    // this is the correct implementation of the spec
    for (int i = 0; i < s.length(); i++) {
      h1.putChar(s.charAt(i));
    }
    h2.putUnencodedChars(s);
    assertEquals(h1.hash(), h2.hash());
  }

  private static void assertPutString(char[] chars) {
    Hasher h1 = new NonStreamingVersion().newHasher();
    Hasher h2 = new NonStreamingVersion().newHasher();
    String s = new String(chars);
    // this is the correct implementation of the spec
    for (int i = 0; i < s.length(); i++) {
      h1.putChar(s.charAt(i));
    }
    h2.putUnencodedChars(s);
    assertEquals(h1.hash(), h2.hash());
  }

    assertFalse(Objects.equal("1", 1));
  }

  public void testHashCode() throws Exception {
    int h1 = Objects.hashCode(1, "two", 3.0);
    int h2 = Objects.hashCode(Integer.valueOf(1), new String("two"), Double.valueOf(3.0));
    // repeatable
    assertEquals(h1, h2);

    // These don't strictly need to be true, but they're nice properties.