base64_unittest.cpp

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/* +------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)            |
   |                          https://www.mrpt.org/                         |
   |                                                                        |
   | Copyright (c) 2005-2020, Individual contributors, see AUTHORS file     |
   | See: https://www.mrpt.org/Authors - All rights reserved.               |
   | Released under BSD License. See: https://www.mrpt.org/License          |
   +------------------------------------------------------------------------+ */

#include <gtest/gtest.h>
#include <mrpt/random.h>
#include <mrpt/system/string_utils.h>

using namespace mrpt;
using namespace mrpt::random;
using namespace std;

// Load data from constant file and check for exact match.
TEST(Base64, RandomEncDec)
{
    for (unsigned int seed = 0; seed < 500; seed++)
    {
        getRandomGenerator().randomize(seed);

        const size_t block_len = getRandomGenerator().drawUniform32bit() % 567;

        std::vector<uint8_t> myData(block_len);
        for (size_t n = 0; n < block_len; n++)
            myData[n] =
                static_cast<uint8_t>(getRandomGenerator().drawUniform32bit());

        std::string myStr;
        mrpt::system::encodeBase64(myData, myStr);

        std::vector<uint8_t> outData;
        if (!mrpt::system::decodeBase64(myStr, outData))
            GTEST_FAIL() << "Error decoding the just encoded data!\n";

        // Compare data:
        EXPECT_EQ(outData.size(), myData.size());

        if (!myData.empty())
        {
            EXPECT_TRUE(outData == myData)
                << "64-decoded data does not match original data!!\n";
        }
    }
}