{

void push(const T& value)

{

if (m_write_index == m_read_index && m_size != 0u)

m_read_index = (m_read_index + 1) % N;

m_buffer[m_write_index++] = value;

m_write_index %= N;

if (m_size != N)

++m_size;

}

T pop()

{

if (m_size == 0u)

throw std::logic_error("buffer is empty");

T value = m_buffer[m_read_index];

m_buffer[m_read_index++].~T();

m_read_index %= N;

--m_size;

return value;

}

T m_buffer[N];

size_t m_size = 0u;

size_t m_write_index = N / 2;

size_t m_read_index = N / 2;

{

CircularBuffer<int, 7> buffer;

buffer.push(1);

buffer.push(2);

buffer.push(3);

assert(buffer.pop() == 1);

assert(buffer.pop() == 2);

buffer.push(4);

buffer.push(5);

buffer.push(6);

buffer.push(7);

buffer.push(8);

buffer.push(9);

buffer.push(10);

assert(buffer.pop() == 4);

assert(buffer.pop() == 5);

assert(buffer.pop() == 6);

assert(buffer.pop() == 7);

assert(buffer.pop() == 8);

assert(buffer.pop() == 9);

assert(buffer.pop() == 10);

return EXIT_SUCCESS;

}