FileEntry e = new TestFileEntry("doc.pdf", 2, 0x10, 10L, 20L, 30L, 4096L, 3);

        // Act & Assert: getters return exactly what was provided
        assertAll(() -> assertEquals("doc.pdf", e.getName()), () -> assertEquals(2, e.getType()),
                () -> assertEquals(0x10, e.getAttributes()), () -> assertEquals(10L, e.createTime()),

        // Test getUpdatedSource method
        String[] text = { "test" };
        String[][] readings = { { "test" } };
        SuggestItem item = new SuggestItem(text, readings, null, 10L, 20L, 1.0f, null, null, null, SuggestItem.Kind.QUERY);

        Map<String, Object> existingSource = new HashMap<>();
        existingSource.put(FieldNames.QUERY_FREQ, 5L);
        existingSource.put(FieldNames.DOC_FREQ, 10L);