Set<E> elementSet = getMultiset().elementSet();
    int size = getNumElements();
    int expectedSize = size - getMultiset().count(e0());
    assertTrue(elementSet.remove(e0()));
    assertFalse(getMultiset().contains(e0()));
    assertEquals(expectedSize, getMultiset().size());
  }

  @CollectionSize.Require(SEVERAL)
  @CollectionFeature.Require(SUPPORTS_REMOVE)

        // size8 rounds up to nearest multiple of 8
        int expectedRawSize = Smb2Constants.SMB2_HEADER_LENGTH + 32 + 100;
        int expectedSize = (expectedRawSize + 7) & ~7; // Round up to nearest 8
        assertEquals(expectedSize, size);
    }

    @Test
    @DisplayName("Test writeBytesWireFormat method")
    void testWriteBytesWireFormat() {

   *
   * @param expectedSize the initial capacity of this {@code CompactHashMap}.
   */
  CompactHashMap(int expectedSize) {
    init(expectedSize);
  }

  /** Pseudoconstructor for serialization support. */
  void init(int expectedSize) {
    Preconditions.checkArgument(expectedSize >= 0, "Expected size must be >= 0");

    // Save expectedSize for use in allocArrays()

      assertThat(map.values).isNull();

      map.put(1, "1");
      assertThat(map.needsAllocArrays()).isFalse();
      int expectedSize = max(1, i);
      assertThat(map.entries).hasLength(expectedSize);
      assertThat(map.keys).hasLength(expectedSize);
      assertThat(map.values).hasLength(expectedSize);
    }
  }

      map.put(1, Integer.toString(1));
      assertThat(map.needsAllocArrays()).isFalse();
      int expectedSize = max(1, i);
      assertThat(map.entries).hasLength(expectedSize);
      assertThat(map.keys).hasLength(expectedSize);
      assertThat(map.values).hasLength(expectedSize);
      assertThat(map.links).hasLength(expectedSize);
    }
  }

                byte[] buffer = new byte[500];

                // When
                int expectedSize = copy.size();
                int actualEncoded = copy.encode(buffer, 0);

                // Then
                assertEquals(expectedSize, actualEncoded, "Size and encode methods return different values for " + numChunks + " chunks");
            }
        }

        @Test

        @DisplayName("Should calculate size correctly with no data")
        void testSizeWithNoData() {
            request.setData(new byte[0], 0, 0);
            int expectedSize = ((Smb2Constants.SMB2_HEADER_LENGTH + 48 + 7) / 8) * 8;
            assertEquals(expectedSize, request.size());
        }

        @Test
        @DisplayName("Should calculate size correctly with data")
        void testSizeWithData() {

    void testSizeReturnsPositiveValue() {
        // Given
        int expectedSize = 1024;
        when(request.size()).thenReturn(expectedSize);

        // When
        int result = request.size();

        // Then
        assertEquals(expectedSize, result);
        verify(request, times(1)).size();
    }

    @Test

   *     without resizing
   * @throws IllegalArgumentException if {@code expectedSize} is negative
   */
  @SuppressWarnings("NonApiType") // acts as a direct substitute for a constructor call
  public static <E extends @Nullable Object> HashSet<E> newHashSetWithExpectedSize(
      int expectedSize) {
    return new HashSet<>(Maps.capacity(expectedSize));
  }

  /**

    class SizeCalculationTests {

        @Test
        @DisplayName("Should calculate size correctly")
        void testSize() {
            int expectedSize = ((Smb2Constants.SMB2_HEADER_LENGTH + 49 + 7) / 8) * 8;
            assertEquals(expectedSize, request.size());
        }

        @Test
        @DisplayName("Should align size to 8-byte boundary")
        void testSizeAlignment() {