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// Copyright (c) 2012-2021 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <util/strencodings.h>
#include <boost/test/unit_test.hpp>
#include <string>
using namespace std::literals;
BOOST_AUTO_TEST_SUITE(base32_tests)
BOOST_AUTO_TEST_CASE(base32_testvectors)
{
static const std::string vstrIn[] = {"","f","fo","foo","foob","fooba","foobar"};
static const std::string vstrOut[] = {"","my======","mzxq====","mzxw6===","mzxw6yq=","mzxw6ytb","mzxw6ytboi======"};
static const std::string vstrOutNoPadding[] = {"","my","mzxq","mzxw6","mzxw6yq","mzxw6ytb","mzxw6ytboi"};
for (unsigned int i=0; i<std::size(vstrIn); i++)
{
std::string strEnc = EncodeBase32(vstrIn[i]);
BOOST_CHECK_EQUAL(strEnc, vstrOut[i]);
strEnc = EncodeBase32(vstrIn[i], false);
BOOST_CHECK_EQUAL(strEnc, vstrOutNoPadding[i]);
bool invalid;
auto dec = DecodeBase32(vstrOut[i], &invalid);
BOOST_CHECK(!invalid);
BOOST_CHECK_MESSAGE(MakeByteSpan(dec) == MakeByteSpan(vstrIn[i]), vstrOut[i]);
}
// Decoding strings with embedded NUL characters should fail
bool failure;
(void)DecodeBase32("invalid\0"s, &failure); // correct size, invalid due to \0
BOOST_CHECK(failure);
(void)DecodeBase32("AWSX3VPP"s, &failure); // valid
BOOST_CHECK(!failure);
(void)DecodeBase32("AWSX3VPP\0invalid"s, &failure); // correct size, invalid due to \0
BOOST_CHECK(failure);
(void)DecodeBase32("AWSX3VPPinvalid"s, &failure); // invalid size
BOOST_CHECK(failure);
}
BOOST_AUTO_TEST_SUITE_END()
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