byte[] dest = new byte[4];
    HashCode.fromInt(42).writeBytesTo(dest, 0, 4);
    assertThat(dest).isEqualTo(HashCode.fromInt(42).asBytes());
  }

  public void testLongWriteBytesTo() {
    byte[] dest = new byte[8];
    HashCode.fromLong(42).writeBytesTo(dest, 0, 8);
    assertThat(dest).isEqualTo(HashCode.fromLong(42).asBytes());
  }

  private static final HashCode HASH_ABCD =

    Interner<String> pool = Interners.newStrongInterner();
    assertThrows(NullPointerException.class, () -> pool.intern(null));
  }

  public void testStrong_builder() {
    int concurrencyLevel = 42;
    Interner<Object> interner =
        Interners.newBuilder().strong().concurrencyLevel(concurrencyLevel).build();
    InternerImpl<Object> internerImpl = (InternerImpl<Object>) interner;

    assertEquals(Optional.of("a"), Optional.of("a").transform(Functions.identity()));
  }

  public void testTransform_presentToString() {
    assertEquals(Optional.of("42"), Optional.of(42).transform(Functions.toStringFunction()));
  }

  public void testTransform_present_functionReturnsNull() {
    assertThrows(NullPointerException.class, () -> Optional.of("a").transform(input -> null));
  }

        logStream.printf("formatted %d%n", 42);
        logStream.flush();

        String output = testOutput.toString();
        assertTrue(output.contains("test"));
        assertTrue(output.contains("123"));
        assertTrue(output.contains("true"));
        assertTrue(output.contains("line"));
        assertTrue(output.contains("formatted 42"));
    }

    @Test
    void testDefaultLevel() {

    }

    @Test
    public void test_ofNullable_withInteger() {
        Integer testValue = 42;
        OptionalEntity<Integer> result = OptionalUtil.ofNullable(testValue);

        assertNotNull(result);
        assertTrue(result.isPresent());
        assertEquals(Integer.valueOf(42), result.get());
    }

    @Test
    public void test_ofNullable_withNullInteger() {
        Integer testValue = null;

        rawtypeToWildcard(MinMaxPriorityQueue.maximumSize(42)).create();
    assertEquals(11, queue.capacity());
    assertEquals(42, queue.maximumSize);
    checkNatural(queue);
  }

  public void testCreation_comparator_maximumSize() {
    MinMaxPriorityQueue<Integer> queue =
        MinMaxPriorityQueue.orderedBy(SOME_COMPARATOR).maximumSize(42).create();
    assertEquals(11, queue.capacity());

    assertTrue(future.set(42));
    // Later attempts to set the future should return false.
    assertFalse(future.set(23));
    assertFalse(future.setException(new Exception("bar")));
    assertFalse(future.setFuture(SettableFuture.create()));
    // Check that the future has been set properly.
    assertTrue(future.isDone());
    assertFalse(future.isCancelled());
    assertEquals(42, (int) future.get());
  }

     */
    @Test
    void encodeWithSpiedBufferCallsEncMethod() throws NdrException {
        NdrShort ns = new NdrShort(42);
        NdrBuffer spy = spy(new NdrBuffer(new byte[10], 0));
        ns.encode(spy);
        // NdrShort passes its value (already masked to 0xFF) to enc_ndr_short
        verify(spy).enc_ndr_short(42);
    }

    /**
     * Verify that decode invokes NdrBuffer.dec_ndr_short.
     */
    @Test

    assertTrue(future.set(42));
    // Later attempts to set the future should return false.
    assertFalse(future.set(23));
    assertFalse(future.setException(new Exception("bar")));
    assertFalse(future.setFuture(SettableFuture.create()));
    // Check that the future has been set properly.
    assertTrue(future.isDone());
    assertFalse(future.isCancelled());
    assertEquals(42, (int) future.get());
  }

        RemoteSnapshotMetadata metadata =
                new RemoteSnapshotMetadata(new DefaultArtifact("a:b:1-SNAPSHOT"), new Date(), 42);
        metadata.merge(new Metadata());

        int buildNumber = metadata.metadata.getVersioning().getSnapshot().getBuildNumber();
        assertEquals(42, buildNumber);
    }