when(mockConnection.getDoInput()).thenReturn(true);
        when(mockConnection.getDoOutput()).thenReturn(true);
        when(mockConnection.getIfModifiedSince()).thenReturn(12345L);
        when(mockConnection.getUseCaches()).thenReturn(false);
        when(mockConnection.getReadTimeout()).thenReturn(1000);
        when(mockConnection.getConnectTimeout()).thenReturn(2000);

        assertEquals("********", SystemUtil.maskSensitiveValue("auth_header", "Bearer xyz"));
        assertEquals("********", SystemUtil.maskSensitiveValue("OAUTH_CLIENT_ID", "123456"));
    }

    @Test
    public void test_maskSensitiveValue_withPrivate() {
        assertEquals("********", SystemUtil.maskSensitiveValue("PRIVATE_DATA", "sensitive"));

  public void testBytes() {
    TestHasher hasher = new TestHasher(); // byte order insignificant here
    byte[] expected = {1, 2, 3, 4, 5, 6, 7, 8};
    hasher.putByte((byte) 1);
    hasher.putBytes(new byte[] {2, 3, 4, 5, 6});
    hasher.putByte((byte) 7);
    hasher.putBytes(new byte[] {});
    hasher.putBytes(new byte[] {8});
    hasher.assertBytes(expected);
  }

  public void testShort() {

	}, {
		header:  &Header{ChangeTime: time.Unix(123, 456)},
		paxHdrs: map[string]string{paxCtime: "123.000000456"},
		formats: FormatPAX | FormatGNU,
	}, {
		header:  &Header{ChangeTime: time.Unix(123, 456), Format: FormatUSTAR},
		paxHdrs: map[string]string{paxCtime: "123.000000456"},
		formats: FormatUnknown,
	}, {
		header:  &Header{ChangeTime: time.Unix(123, 456), Format: FormatGNU},

    ListMultimap<String, Integer> multimap = create();
    multimap.putAll("foo", asList(1, 2, 3, 4, 5));
    List<Integer> list = multimap.get("foo");
    assertThat(multimap.get("foo")).containsExactly(1, 2, 3, 4, 5).inOrder();
    List<Integer> sublist = list.subList(0, 5);
    assertThat(sublist).containsExactly(1, 2, 3, 4, 5).inOrder();

    sublist.clear();
    assertTrue(sublist.isEmpty());
    multimap.put("foo", 6);

  public void testBytes() {
    TestHasher hasher = new TestHasher(); // byte order insignificant here
    byte[] expected = {1, 2, 3, 4, 5, 6, 7, 8};
    hasher.putByte((byte) 1);
    hasher.putBytes(new byte[] {2, 3, 4, 5, 6});
    hasher.putByte((byte) 7);
    hasher.putBytes(new byte[] {});
    hasher.putBytes(new byte[] {8});
    hasher.assertBytes(expected);
  }

  public void testShort() {

    @Test
    void testGetKeys_WithOtherCredentialTypes() throws LoginException {
        Set<Object> privateCredentials = new HashSet<>();
        privateCredentials.add("a string credential");
        privateCredentials.add(12345L);
        when(subject.getPrivateCredentials()).thenReturn(privateCredentials);

        try (MockedConstruction<LoginContext> mocked = Mockito.mockConstruction(LoginContext.class, (mock, context) -> {

     */
    @Test
    void lockRangeEncodeDecodeRoundTrip() throws Exception {
        LockingAndXRange range = new LockingAndXRange(false);
        setField(range, "pid", 99);
        setField(range, "byteOffset", 123456L);
        setField(range, "lengthInBytes", 654321L);
        byte[] dst = new byte[20];
        int writtenSize = range.encode(dst, 0);
        assertEquals(10, writtenSize, "Range size when not large should be 10");

        IteratorTester.KnownOrder.KNOWN_ORDER) {
      @Override
      protected Iterator<List<Integer>> newTargetIterator() {
        Iterator<Integer> source = Iterators.forArray(1, 2, 3, 4, 5, 6, 7);
        return Iterators.partition(source, 3);
      }
    }.test();
  }

  public void testPartition_view() {
    List<Integer> list = asList(1, 2);

        assertEquals(0, msg.getFlags(), "Initial flags should be 0");
    }

    @ParameterizedTest(name = "setFlags({0}) ➜ getFlags() == {0}")
    @ValueSource(ints = { 0x0, 0x1, 0x2, 0xFFFFFFFF, -123456 })
    void testSetAndGetFlags(int value) {
        msg.setFlags(value);
        assertEquals(value, msg.getFlags(), "getFlags should return the value set");
    }

    @Test