SortedSet<@Nullable String> keySet = multimap.keySet();

    assertEquals(null, keySet.first());
    assertEquals("google", keySet.last());
    assertEquals(StringLength.COMPARATOR, keySet.comparator());
    assertEquals(Sets.<@Nullable String>newHashSet(null, "tree"), keySet.headSet("yahoo"));
    assertEquals(newHashSet("google"), keySet.tailSet("yahoo"));
    assertEquals(newHashSet("tree"), keySet.subSet("ask", "yahoo"));
  }

        extractorFactory.addExtractor("text/plain", tikaExtractor);
        extractorFactory.addExtractor("text/html", tikaExtractor);
    }

    public void test_name() {
        assertEquals("textTransformer", textTransformer.getName());
    }

    public void test_transform_text() throws Exception {
        final byte[] data = new String("xyz").getBytes();

    AtomicDouble at = new AtomicDouble();
    assertEquals("0.0", at.toString());
    for (double x : VALUES) {
      at.set(x);
      assertEquals(Double.toString(x), at.toString());
    }
  }

  /** intValue returns current value. */
  public void testIntValue() {
    AtomicDouble at = new AtomicDouble();
    assertEquals(0, at.intValue());
    for (double x : VALUES) {
      at.set(x);

        StringSource source = new StringSource("Hello World!");
        assertEquals("(memory)", source.getLocation());

        source = new StringSource("Hello World!", "LOCATION");
        assertEquals("LOCATION", source.getLocation());
    }

    @Test
    void testGetContent() {
        StringSource source = new StringSource(null);
        assertEquals("", source.getContent());

        smbAuthenticationHolder.add(fooAuth);

        assertEquals(hogeAuth, smbAuthenticationHolder.get("smb1://hoge/"));
        assertEquals(fugaAuth, smbAuthenticationHolder.get("smb1://fuga/"));
        assertEquals(fooAuth, smbAuthenticationHolder.get("smb1://foo:1000/"));
        assertEquals(hogeAuth, smbAuthenticationHolder.get("smb1://hoge/text.txt"));
        assertEquals(fugaAuth, smbAuthenticationHolder.get("smb1://fuga/text.txt"));

        SmbAuthentication smbAuthentication;

        smbAuthentication = new SmbAuthentication();
        assertEquals("smb://", smbAuthentication.getPathPrefix());

        smbAuthentication = new SmbAuthentication();
        smbAuthentication.setServer("hoge");
        assertEquals("smb://hoge/", smbAuthentication.getPathPrefix());

        smbAuthentication = new SmbAuthentication();

    assertFalse(segment.replace(key, hash, oldValue, newValue));
    assertEquals(0, segment.count);

    // same value
    segment.setTableEntryForTesting(index, entry);
    segment.count++;
    assertEquals(1, segment.count);
    assertSame(oldValue, segment.get(key, hash));
    assertTrue(segment.replace(key, hash, oldValue, newValue));
    assertEquals(1, segment.count);
    assertSame(newValue, segment.get(key, hash));

    assertFalse(segment.replace(key, hash, oldValue, newValue));
    assertEquals(0, segment.count);

    // same value
    segment.setTableEntryForTesting(index, entry);
    segment.count++;
    assertEquals(1, segment.count);
    assertSame(oldValue, segment.get(key, hash));
    assertTrue(segment.replace(key, hash, oldValue, newValue));
    assertEquals(1, segment.count);
    assertSame(newValue, segment.get(key, hash));

    assertTrue(bimap.isEmpty());
    assertEquals("{}", bimap.toString());
    assertEquals(HashBiMap.create(), bimap);
    bimap.put(Currency.DOLLAR, Country.CANADA);
    assertEquals(Country.CANADA, bimap.get(Currency.DOLLAR));
    assertEquals(Currency.DOLLAR, bimap.inverse().get(Country.CANADA));
  }

  public void testCreateFromMap() {

        String expected = "1";
        doc.put("key1", expected);
        assertEquals(expected, DocumentUtil.getValue(doc, "key1", String.class));
        assertEquals(Integer.parseInt(expected), DocumentUtil.getValue(doc, "key1", Integer.class).intValue());
        assertEquals(Long.parseLong(expected), DocumentUtil.getValue(doc, "key1", Long.class).longValue());