public boolean containsValue(final int value)
    {
        boolean found = false;
        if (initialValue != value)
        {
            for (final int v : values)
            {
                if (value == v)
                {
                    found = true;
                    break;
                }
            }
        }

        return found;
    }
@Test
    void shouldNotContainValueForAMissingEntry()
    {
        assertFalse(map.containsValue(1));
    }