#include "test_common.hpp"
#include <delay/buffer.hpp>
#include <cstdio>

#include <iostream>


int test_buffer_1()
{
	std::cout << "----------------------------------------------" << std::endl;
	std::cout << "Start test_buffer_1" << std::endl;
	std::cout << "----------------------------------------------" << std::endl;

	dsp::Buffer<int> buffer(10);
	for (int i=0; i < buffer.capacity(); i++)
	{
		buffer[i] = i+100;
	}
	buffer += 5;
	{
		dsp::Buffer<int> t_buf{105, 106, 107, 108, 109};
		check(buffer, t_buf, t_buf.capacity());
	}

	dsp::Buffer<int> res_buf(5);
	for (int i=0; i < res_buf.capacity(); i++)
	{
		int v = buffer[i-5];
		res_buf[i] = v;
	}

	{
		dsp::Buffer<int> t_buf{100, 101, 102, 103, 104};
		check(res_buf, t_buf);
	}

	buffer.reset();
	{
		dsp::Buffer<int> t_buf{100, 101, 102, 103, 104, 105, 106, 107, 108, 109};
		check(dsp::Buffer<int>(buffer, 0), t_buf);
	}
	{
		dsp::Buffer<int> t_buf{0, 0, 0, 0, 0, 100, 101, 102, 103, 104};
		check(dsp::Buffer<int>(buffer, -5), t_buf);
	}

	return 0;
}

int test_buffer_2()
{
	std::cout << "----------------------------------------------" << std::endl;
	std::cout << "Start test_buffer_2" << std::endl;
	std::cout << "----------------------------------------------" << std::endl;

	dsp::Buffer<int> buffer(10);
	for (int i=0; i < buffer.capacity(); i++)
	{
		buffer[i] = i+100;
	}

	{
		dsp::Buffer<int> t_buf{0, 100, 101, 102, 103, 104, 105, 106, 107, 108};
		check(dsp::Buffer<int>(buffer, -1), t_buf);
	}
	{
		dsp::Buffer<int> t_buf{0, 0, 0, 0, 0, 100, 101, 102, 103, 104};
		check(dsp::Buffer<int>(buffer, -5), t_buf);
	}

	return 0;
}

int test_buffer_3()
{
	std::cout << "----------------------------------------------" << std::endl;
	std::cout << "Start test_buffer_3" << std::endl;
	std::cout << "----------------------------------------------" << std::endl;

	dsp::Buffer<int> buffer(50);
	for (int i=0; i < buffer.capacity(); i++)
	{
		buffer[i] = i+100;
	}

	buffer.reset();

	uint incr = 5;
	for (int offset=0; offset < 5; offset++)
	{
		std::cout << "----------------------------------------------" << std::endl;
		std::cout << "offset = " << offset << std::endl;
		std::cout << "----------------------------------------------" << std::endl;
		auto v1 = dsp::Buffer<int>(buffer, offset, incr);
		for(int i=0; i < v1.capacity(); i++)
		{
			std::cout << v1[i] << std::endl;
		}

	}

	

	return 0;
}

int test_buffer()
{
	test_buffer_1();
	test_buffer_2();
	test_buffer_3();
	return 0;
}