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//
// $Id$
//
//
// Original author: Darren Kessner <darren@proteowizard.org>
//
// Copyright 2007 Spielberg Family Center for Applied Proteomics
// Cedars Sinai Medical Center, Los Angeles, California 90048
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "Std.hpp"
#include "Base64.hpp"
#include "unit.hpp"
#include <cstring>
using namespace pwiz::util;
ostream* os_ = 0;
struct TestPair
{
const char* binary;
const char* text;
};
TestPair testPairs_[] =
{
{"", ""},
{"A", "QQ=="},
{"AB", "QUI="},
{"ABC", "QUJD"},
{"The quick brown fox jumped over the lazy dog.",
"VGhlIHF1aWNrIGJyb3duIGZveCBqdW1wZWQgb3ZlciB0aGUgbGF6eSBkb2cu"},
{"Darren", "RGFycmVu"},
};
const int testPairCount_ = sizeof(testPairs_)/sizeof(TestPair);
void checkTestPair(const TestPair& testPair)
{
const string& from = testPair.binary;
const string& to = testPair.text;
if (os_) *os_ << from << " <--> " << to << endl;
// convert binary -> text
vector<char> textBuffer;
textBuffer.resize(Base64::binaryToTextSize(from.size()) + 1, '\0');
size_t textCount = Base64::binaryToText(from.c_str(), from.size(), &textBuffer[0]);
// verify binary -> text
string textString = !textBuffer.empty() ? &textBuffer[0] : "";
unit_assert(textCount == (unsigned int)to.size());
unit_assert(textString == to);
// convert text -> binary
vector<char> binaryBuffer;
binaryBuffer.resize(Base64::textToBinarySize(to.size()) + 1, '\0');
size_t binaryCount = Base64::textToBinary(to.c_str(), to.size(), &binaryBuffer[0]);
// verify text -> binary
string binaryString = !binaryBuffer.empty() ? &binaryBuffer[0] : "";
unit_assert(binaryCount == (unsigned int)from.size());
unit_assert(binaryString == from);
}
void test256()
{
if (os_) *os_ << "test256()\n" << flush;
// chars from 0 to 255
vector<char> from(256);
for (int i=0; i<256; i++)
from[i] = (char)i;
char to[] = "AAECAwQFBgcICQoLDA0ODxAREhMUFRYXGBkaGxwdHh8gISIj"
"JCUmJygpKissLS4vMDEyMzQ1Njc4OTo7PD0+P0BBQkNERUZH"
"SElKS0xNTk9QUVJTVFVWV1hZWltcXV5fYGFiY2RlZmdoaWpr"
"bG1ub3BxcnN0dXZ3eHl6e3x9fn+AgYKDhIWGh4iJiouMjY6P"
"kJGSk5SVlpeYmZqbnJ2en6ChoqOkpaanqKmqq6ytrq+wsbKz"
"tLW2t7i5uru8vb6/wMHCw8TFxsfIycrLzM3Oz9DR0tPU1dbX"
"2Nna29zd3t/g4eLj5OXm5+jp6uvs7e7v8PHy8/T19vf4+fr7"
"/P3+/w==";
// convert binary -> text
vector<char> textBuffer;
textBuffer.resize(Base64::binaryToTextSize(from.size()) + 1, '\0');
size_t textCount = Base64::binaryToText(&from[0], 256, &textBuffer[0]);
textBuffer[textCount] = '\0';
unit_assert(textCount == (unsigned int)strlen(to));
unit_assert(!strcmp(to, &textBuffer[0]));
// convert text -> binary
vector<char> binaryBuffer;
binaryBuffer.resize(300);
size_t binaryCount = Base64::textToBinary(to, strlen(to), &binaryBuffer[0]);
unit_assert(binaryCount == 256);
for (int i=0; i<256; i++)
unit_assert(binaryBuffer[i] == from[i]);
}
void test()
{
for_each(testPairs_, testPairs_+testPairCount_, checkTestPair);
test256();
}
int main(int argc, char* argv[])
{
TEST_PROLOG(argc, argv)
try
{
if (argc>1 && !strcmp(argv[1],"-v")) // verbose
os_ = &cout;
if (os_) *os_ << "Base64Test\n";
test();
}
catch (exception& e)
{
TEST_FAILED(e.what())
}
catch (...)
{
TEST_FAILED("Caught unknown exception.")
}
TEST_EPILOG
}
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