1  // Copyright (c) 2012-2022 The Bitcoin Core developers
 2  // Distributed under the MIT software license, see the accompanying
 3  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 4  
 5  #include <util/strencodings.h>
 6  
 7  #include <boost/test/unit_test.hpp>
 8  #include <string>
 9  
10  using namespace std::literals;
11  
12  BOOST_AUTO_TEST_SUITE(base32_tests)
13  
14  BOOST_AUTO_TEST_CASE(base32_testvectors)
15  {
16      static const std::string vstrIn[]  = {"","f","fo","foo","foob","fooba","foobar"};
17      static const std::string vstrOut[] = {"","my======","mzxq====","mzxw6===","mzxw6yq=","mzxw6ytb","mzxw6ytboi======"};
18      static const std::string vstrOutNoPadding[] = {"","my","mzxq","mzxw6","mzxw6yq","mzxw6ytb","mzxw6ytboi"};
19      for (unsigned int i=0; i<std::size(vstrIn); i++)
20      {
21          std::string strEnc = EncodeBase32(vstrIn[i]);
22          BOOST_CHECK_EQUAL(strEnc, vstrOut[i]);
23          strEnc = EncodeBase32(vstrIn[i], false);
24          BOOST_CHECK_EQUAL(strEnc, vstrOutNoPadding[i]);
25          auto dec = DecodeBase32(vstrOut[i]);
26          BOOST_REQUIRE(dec);
27          BOOST_CHECK_MESSAGE(MakeByteSpan(*dec) == MakeByteSpan(vstrIn[i]), vstrOut[i]);
28      }
29  
30      // Decoding strings with embedded NUL characters should fail
31      BOOST_CHECK(!DecodeBase32("invalid\0"s)); // correct size, invalid due to \0
32      BOOST_CHECK(DecodeBase32("AWSX3VPP"s)); // valid
33      BOOST_CHECK(!DecodeBase32("AWSX3VPP\0invalid"s)); // correct size, invalid due to \0
34      BOOST_CHECK(!DecodeBase32("AWSX3VPPinvalid"s)); // invalid size
35  }
36  
37  BOOST_AUTO_TEST_SUITE_END()