return false;
    }
    N nodeU = endpoints.nodeU();
    N nodeV = endpoints.nodeV();
    return nodes().contains(nodeU) && successors(nodeU).contains(nodeV);
  }

  /**
   * Throws {@code IllegalArgumentException} if the ordering of {@code endpoints} is not compatible
   * with the directionality of this graph.
   */
  protected final void validateEndpoints(EndpointPair<?> endpoints) {

    stack.addTearDown(
        new TearDown() {
          @Override
          public void tearDown() throws Exception {
            ExampleClassUnderTest.logger.setUseParentHandlers(true);
            ExampleClassUnderTest.logger.removeHandler(handler);
          }
        });
  }

  public void test() throws Exception {
    assertTrue(handler.getStoredLogRecords().isEmpty());
    ExampleClassUnderTest.foo();

    }

    /**
     * @throws Exception
     */
    @Test
    public void testLtrim() throws Exception {
        assertEquals("1", "trim", StringUtil.ltrim("zzzytrim", "xyz"));
        assertEquals("2", "", StringUtil.ltrim("xyz", "xyz"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testRtrim() throws Exception {

    Collection<String> set = Sets.newLinkedHashSet();
    Collections.addAll(set, "a", "b", "c");
    FluentIterable<String> tail = FluentIterable.from(set).skip(2);
    set.remove("a");
    set.remove("b");
    assertFalse(tail.iterator().hasNext());
  }

  public void testSkip_structurallyModifiedSkipAllList() throws Exception {
    List<String> list = Lists.newArrayList("a", "b", "c");

  }

  public void testMethod_notDeclaredByType() throws NoSuchMethodException {
    Method sizeMethod = Map.class.getMethod("size");
    assertThrows(IllegalArgumentException.class, () -> TypeToken.of(List.class).method(sizeMethod));
  }

  public void testMethod_declaredBySuperclass() throws Exception {
    Method toStringMethod = Object.class.getMethod("toString");

     * @return The deserialized model, never {@code null}.
     * @throws IOException If the model could not be deserialized.
     * @throws ModelParseException If the input format could not be parsed.
     * @deprecated Use {@link #read(Path, Map)} instead.
     */
    @Deprecated
    Model read(File input, Map<String, ?> options) throws IOException, ModelParseException;

    /**
     * Reads the model from the specified file.

     *         <code>false</code> otherwise
     * @throws CIFSException
     */
    boolean exists () throws CIFSException;


    /**
     * Fetch a child resource
     * 
     * @param name
     * @return the child resource
     * @throws CIFSException
     */
    SmbResource resolve ( String name ) throws CIFSException;


    /**
     * Get the file index
     * 

    }

    public void test_getDecodeText() throws Exception {
        assertEquals("", emlExtractor.getDecodeText(null));
        assertEquals("", emlExtractor.getDecodeText(""));
        assertEquals("abc123", emlExtractor.getDecodeText("abc123"));
        assertEquals("テスト", emlExtractor.getDecodeText("=?UTF-8?B?44OG44K544OI?="));
    }

    public void test_getTextWithAttachment() throws IOException {

/**
 */
class DefaultSettingsValidatorTest {

    private DefaultSettingsValidator validator;

    @BeforeEach
    void setUp() throws Exception {
        validator = new DefaultSettingsValidator(new DefaultSettingsBuilder());
    }

    @AfterEach
    void tearDown() throws Exception {
        validator = null;
    }

    private void assertContains(String msg, String substring) {

     * @param model The model to serialize, must not be {@code null}.
     * @throws IOException If the model could not be serialized.
     */
    void write(File output, Map<String, Object> options, Model model) throws IOException;

    /**
     * Writes the supplied model to the specified character writer. The writer will be automatically closed before the