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

#include "ByteUtils.h"

#include "TestFramework.h"

#include <iostream>

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

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

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

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

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

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

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

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