// 20 bytes fixed + 2 * length
        assertEquals(20 + 2 * longFileName.length(), info.size());
    }

    @Test
    @DisplayName("Test size calculation with empty filename")
    void testSizeWithEmptyFilename() {
        FileRenameInformation2 info = new FileRenameInformation2("", false);
        assertEquals(20, info.size());
    }

    @Test

        // Should handle null session ID gracefully
        assertNotNull(urlFilter);
    }

    /**
     * Test initialization with empty session ID
     */
    public void test_init_withEmptySessionId() {
        urlFilter.init("");
        // Should handle empty session ID gracefully
        assertNotNull(urlFilter);
    }

    /**
     * Test adding a single include pattern
     */

        ProtwordsItem item1 = new ProtwordsItem(1, "word");
        assertEquals("word", item1.getInputValue());

        // Test with empty string
        ProtwordsItem item2 = new ProtwordsItem(2, "");
        assertEquals("", item2.getInputValue());

        // Test with null input - should return empty string
        ProtwordsItem item3 = new ProtwordsItem(3, null);
        assertEquals("", item3.getInputValue());
    }

   * Double#NEGATIVE_INFINITY}, or {@link Double#NaN}) then the result is {@link Double#NaN}.
   *
   * @throws IllegalStateException if the dataset is empty
   */
  public double populationCovariance() {
    checkState(count() != 0);
    return sumOfProductsOfDeltas / count();
  }

  /**

            assertEquals(28, bytesRead); // Header + one referral structure
        }

        @Test
        @DisplayName("Should handle empty buffer in readDataWireFormat")
        void testReadDataWireFormatEmptyBuffer() {
            byte[] buffer = new byte[0];

            // Empty buffer causes ArrayIndexOutOfBoundsException when trying to read
            assertThrows(ArrayIndexOutOfBoundsException.class, () -> {

                throw new LookupException("empty lookup");
            }

            @Override
            public <T> T lookup(Class<T> type, String name) {
                throw new LookupException("empty lookup");
            }

            @Override
            public <T> Optional<T> lookupOptional(Class<T> type) {
                return Optional.empty();
            }

            @Override

     * @return the string with highlight tags removed
     */
    protected String removeHighlightTag(final String str) {
        return str.replaceAll(originalHighlightTagPre, StringUtil.EMPTY).replaceAll(originalHighlightTagPost, StringUtil.EMPTY);
    }

    /**
     * Creates highlight information based on screen width.
     * Adjusts fragment size for mobile devices.
     *
     * @return the highlight information

        }
    }

    public void test_setObject_withEmptyName() {
        // Test setObject with empty name
        try {
            WebApiUtil.setObject("", "testValue");
        } catch (Exception e) {
            fail("setObject should handle empty name gracefully: " + e.getMessage());
        }
    }

    public void test_getObject_noRequest() {

        assertTrue(elevateWord.getRoles().isEmpty());
    }

    @Test
    public void testConstructorWithEmptyLists() {
        // Test constructor with empty lists
        String word = "empty lists";
        float boost = 1.0f;
        List<String> readings = Collections.emptyList();
        List<String> fields = Collections.emptyList();
        List<String> tags = Collections.emptyList();

    - If users want all of Guava, they depend on guava, which, as of Guava
    27.0, depends on
    listenablefuture-9999.0-empty-to-avoid-conflict-with-guava. The 9999.0-...
    version number is enough for some build systems (notably, Gradle) to select
    that empty artifact over the "real" listenablefuture-1.0 -- avoiding a
    conflict with the copy of ListenableFuture in guava itself. If users are