// Then
        assertEquals(0, result);
        verify(request, times(1)).size();
    }

    @Test
    @DisplayName("Test size returns large value for large message")
    void testSizeReturnsLargeValue() {
        // Given
        int largeSize = Integer.MAX_VALUE;
        when(request.size()).thenReturn(largeSize);

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

        // Then