stuff-from-scratch/test/core/TestByteUtils.cpp

#include "Bits.h"

#include "TestFramework.h"

#include <iostream>

TEST_CASE(TestReadBits, "core")
{
    auto byte = Bits::getFromString("00110101");
    //std::cout << "Value is " << static_cast<unsigned>(byte) << std::endl;

    auto string_rep = Bits::toString(byte);
    //std::cout << "String rep is " << string_rep << std::endl;

    auto slice = Bits::getMBitsAtN(byte, 3, 3);
    //std::cout << "Slice is " << Bits::toString(slice) << std::endl;
    (void) slice;

    uint32_t input {12345678};
    auto byte0 = Bits::getByteN(input, 0);
    auto byte1 = Bits::getByteN(input, 1);
    auto byte2 = Bits::getByteN(input, 2);
    auto byte3 = Bits::getByteN(input, 3);

    (void)byte0;
    (void)byte1;
    (void)byte2;
    (void)byte3;

    //std::cout << "Byte0 is " << Bits::toString(byte0) << std::endl;
    //std::cout << "Byte1 is " << Bits::toString(byte1) << std::endl;
    //std::cout << "Byte2 is " << Bits::toString(byte2) << std::endl;
    //std::cout << "Byte3 is " << Bits::toString(byte3) << std::endl;

    //std::cout << "Mirroring" << std::endl;

    //auto out = Bits::mirror(byte);
    //std::cout << "Mirror is " << Bits::toString(out) << std::endl;

    unsigned hold = byte;
    hold = (hold << 5) + 3;
    (void)hold;
    //std::cout << "Big val is " << Bits::toString(hold, 16) << std::endl;
}