base32_tests.cpp
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base32_tests.cpp
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	// Copyright (c) 2012-2019 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 <test/util/setup_common.h>

	#include <boost/test/unit_test.hpp>
	#include <string>

	using namespace std::literals;

	BOOST_FIXTURE_TEST_SUITE(base32_tests, BasicTestingSetup)

	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]);
	auto dec = DecodeBase32(vstrOut[i]);
	BOOST_REQUIRE(dec);
	BOOST_CHECK_MESSAGE(MakeByteSpan(*dec) == MakeByteSpan(vstrIn[i]),
	vstrOut[i]);
	}

	// Decoding strings with embedded NUL characters should fail
	// correct size, invalid due to \0
	BOOST_CHECK(!DecodeBase32("invalid\0"s));
	// valid
	BOOST_CHECK(DecodeBase32("AWSX3VPP"s));
	// correct size, invalid due to \0
	BOOST_CHECK(!DecodeBase32("AWSX3VPP\0invalid"s));
	// invalid size
	BOOST_CHECK(!DecodeBase32("AWSX3VPPinvalid"s));
	}

	BOOST_AUTO_TEST_SUITE_END()