new float[] {2.0f, 3.0f, 2.0f, 3.0f, 4.0f, 2.0f, 3.0f},
                new float[] {2.0f, 3.0f, 4.0f}))
        .isEqualTo(2);
    assertThat(
            Floats.indexOf(
                new float[] {2.0f, 2.0f, 3.0f, 4.0f, 2.0f, 3.0f, 4.0f},
                new float[] {2.0f, 3.0f, 4.0f}))
        .isEqualTo(1);
    assertThat(Floats.indexOf(new float[] {4.0f, 3.0f, 2.0f}, new float[] {2.0f, 3.0f, 4.0f}))
        .isEqualTo(-1);

                new float[] {2.0f, 3.0f, 2.0f, 3.0f, 4.0f, 2.0f, 3.0f},
                new float[] {2.0f, 3.0f, 4.0f}))
        .isEqualTo(2);
    assertThat(
            Floats.indexOf(
                new float[] {2.0f, 2.0f, 3.0f, 4.0f, 2.0f, 3.0f, 4.0f},
                new float[] {2.0f, 3.0f, 4.0f}))
        .isEqualTo(1);
    assertThat(Floats.indexOf(new float[] {4.0f, 3.0f, 2.0f}, new float[] {2.0f, 3.0f, 4.0f}))
        .isEqualTo(-1);

 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
public final class Defaults {
  private Defaults() {}

  private static final Double DOUBLE_DEFAULT = 0d;
  private static final Float FLOAT_DEFAULT = 0f;

  /**
   * Returns the default value of {@code type} as defined by JLS --- {@code 0} for numbers, {@code
   * false} for {@code boolean} and {@code '\0'} for {@code char}. For non-primitive types and

 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
public final class Defaults {
  private Defaults() {}

  private static final Double DOUBLE_DEFAULT = 0d;
  private static final Float FLOAT_DEFAULT = 0f;

  /**
   * Returns the default value of {@code type} as defined by JLS --- {@code 0} for numbers, {@code
   * false} for {@code boolean} and {@code '\0'} for {@code char}. For non-primitive types and

        String str = key.toString();

        assertTrue(str.startsWith("LeaseKey["));
        assertTrue(str.endsWith("]"));
        assertTrue(str.contains("00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F"));
    }

        () -> MathPreconditions.checkNonNegative("int", BigInteger.ONE.negate()));
  }

  public void testCheckNonNegative_zeroFloat() {
    MathPreconditions.checkNonNegative("float", 0f);
  }

  public void testCheckNonNegative_maxFloat() {
    MathPreconditions.checkNonNegative("float", Float.MAX_VALUE);
  }

  public void testCheckNonNegative_minFloat() {

        () -> MathPreconditions.checkNonNegative("int", BigInteger.ONE.negate()));
  }

  public void testCheckNonNegative_zeroFloat() {
    MathPreconditions.checkNonNegative("float", 0f);
  }

  public void testCheckNonNegative_maxFloat() {
    MathPreconditions.checkNonNegative("float", Float.MAX_VALUE);
  }

  public void testCheckNonNegative_minFloat() {

  }

  public void testHashFloatIsStable() {
    // Just a spot check.  Better than nothing.
    Hasher hasher = HASH_FN.newHasher();
    hasher.putFloat(0x01000101f).putFloat(0f);
    assertEquals(0x49f9d18ee8ae1b28L, hasher.hash().asLong());

    hasher = HASH_FN.newHasher();
    hasher.putDouble(0x0000000001000101d);
    assertEquals(0x388ee898bad75cbfL, hasher.hash().asLong());
  }

    static Stream<Arguments> hexCases() {
        return Stream.of(Arguments.of(new byte[] {}, ""), Arguments.of(new byte[] { (byte) 0x00 }, "00"),
                Arguments.of(new byte[] { (byte) 0x0F }, "0f"), Arguments.of(new byte[] { (byte) 0x10 }, "10"),
                Arguments.of(new byte[] { (byte) 0xAB }, "ab"),
                Arguments.of(new byte[] { (byte) 0x7F, (byte) 0x80, (byte) 0xFF }, "7f80ff"));
    }

        assertTrue(output.contains("00010:")); // Second line offset

        // Verify first line contains bytes 0-15
        assertTrue(output.contains(" 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F"));
        // Verify second line contains bytes 16-31
        assertTrue(output.contains(" 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F"));
    }

    @Test