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Base64Test.cpp

//
// Base64Test.cpp
//
// $Id: //poco/1.2/Foundation/testsuite/src/Base64Test.cpp#1 $
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "Base64Test.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Poco/Base64Encoder.h"
#include "Poco/Base64Decoder.h"
#include "Poco/Exception.h"
#include <sstream>


using Poco::Base64Encoder;
using Poco::Base64Decoder;
using Poco::DataFormatException;


Base64Test::Base64Test(const std::string& name): CppUnit::TestCase(name)
{
}


Base64Test::~Base64Test()
{
}


void Base64Test::testEncoder()
{
      {
            std::ostringstream str;
            Base64Encoder encoder(str);
            encoder << std::string("\00\01\02\03\04\05", 6);
            encoder.close();
            assert (str.str() == "AAECAwQF");
      }
      {
            std::ostringstream str;
            Base64Encoder encoder(str);
            encoder << std::string("\00\01\02\03", 4);
            encoder.close();
            assert (str.str() == "AAECAw==");
      }
      {
            std::ostringstream str;
            Base64Encoder encoder(str);
            encoder << "ABCDEF";
            encoder.close();
            assert (str.str() == "QUJDREVG");
      }
}


void Base64Test::testDecoder()
{
      {
            std::istringstream istr("AAECAwQF");
            Base64Decoder decoder(istr);
            assert (decoder.good() && decoder.get() == 0);
            assert (decoder.good() && decoder.get() == 1);
            assert (decoder.good() && decoder.get() == 2);
            assert (decoder.good() && decoder.get() == 3);
            assert (decoder.good() && decoder.get() == 4);
            assert (decoder.good() && decoder.get() == 5);
            assert (decoder.good() && decoder.get() == -1);
      }
      {
            std::istringstream istr("AAECAwQ=");
            Base64Decoder decoder(istr);
            assert (decoder.good() && decoder.get() == 0);
            assert (decoder.good() && decoder.get() == 1);
            assert (decoder.good() && decoder.get() == 2);
            assert (decoder.good() && decoder.get() == 3);
            assert (decoder.good() && decoder.get() == 4);
            assert (decoder.good() && decoder.get() == -1);
      }
      {
            std::istringstream istr("AAECAw==");
            Base64Decoder decoder(istr);
            assert (decoder.good() && decoder.get() == 0);
            assert (decoder.good() && decoder.get() == 1);
            assert (decoder.good() && decoder.get() == 2);
            assert (decoder.good() && decoder.get() == 3);
            assert (decoder.good() && decoder.get() == -1);
      }
      {
            std::istringstream istr("QUJDREVG");
            Base64Decoder decoder(istr);
            std::string s;
            decoder >> s;
            assert (s == "ABCDEF");
            assert (decoder.eof());
            assert (!decoder.fail());
      }
      {
            std::istringstream istr("QUJ\r\nDRE\r\nVG");
            Base64Decoder decoder(istr);
            std::string s;
            decoder >> s;
            assert (s == "ABCDEF");
            assert (decoder.eof());
            assert (!decoder.fail());
      }
      {
            std::istringstream istr("QUJD#REVG");
            Base64Decoder decoder(istr);
            std::string s;
            try
            {
                  decoder >> s;
                  assert (decoder.bad());
            }
            catch (DataFormatException&)
            {
            }
            assert (!decoder.eof());
      }
}


void Base64Test::testEncodeDecode()
{
      {
            std::stringstream str;
            Base64Encoder encoder(str);
            encoder << "The quick brown fox ";
            encoder << "jumped over the lazy dog.";
            encoder.close();
            Base64Decoder decoder(str);
            std::string s;
            int c = decoder.get();
            while (c != -1) { s += char(c); c = decoder.get(); }
            assert (s == "The quick brown fox jumped over the lazy dog.");
      }
      {
            std::string src;
            for (int i = 0; i < 255; ++i) src += char(i);
            std::stringstream str;
            Base64Encoder encoder(str);
            encoder.write(src.data(), (std::streamsize) src.size());
            encoder.close();
            Base64Decoder decoder(str);
            std::string s;
            int c = decoder.get();
            while (c != -1) { s += char(c); c = decoder.get(); }
            assert (s == src);
      }
}


void Base64Test::setUp()
{
}


void Base64Test::tearDown()
{
}


CppUnit::Test* Base64Test::suite()
{
      CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("Base64Test");

      CppUnit_addTest(pSuite, Base64Test, testEncoder);
      CppUnit_addTest(pSuite, Base64Test, testDecoder);
      CppUnit_addTest(pSuite, Base64Test, testEncodeDecode);

      return pSuite;
}

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