void CRC32Test::testGetValue() {
// test methods of java.util.zip.crc32.getValue()
CRC32 crc;
CPPUNIT_ASSERT_EQUAL_MESSAGE( "getValue() should return a zero as a result of constructing a CRC32 instance",
0LL, crc.getValue() );
crc.reset();
crc.update( Integer::MAX_VALUE );
// Ran JDK and discovered that the value of the CRC should be
// 4278190080
CPPUNIT_ASSERT_EQUAL_MESSAGE( "update(max) failed to update the checksum to the correct value ",
4278190080LL, crc.getValue() );
crc.reset();
std::vector<unsigned char> byteEmpty( 10000, 0 );
crc.update( byteEmpty );
// Ran JDK and discovered that the value of the CRC should be
// 1295764014
CPPUNIT_ASSERT_EQUAL_MESSAGE( "update(byte[]) failed to update the checksum to the correct value ",
1295764014LL, crc.getValue() );
crc.reset();
crc.update( 1 );
// Ran JDK and discovered that the value of the CRC should be
// 2768625435
// CPPUNIT_ASSERT_EQUAL_MESSAGE( "update(int) failed to update the checksum to the correct
// value ",2768625435L, crc.getValue());
crc.reset();
CPPUNIT_ASSERT_EQUAL_MESSAGE( "reset failed to reset the checksum value to zero",
0LL, crc.getValue());
}
void CRC32Test::testUpdateI() {
CRC32 crc;
crc.update( 1 );
// Ran JDK and discovered that the value of the CRC should be
// 2768625435
CPPUNIT_ASSERT_EQUAL_MESSAGE( "update(1) failed to update the checksum to the correct value ",
2768625435LL, crc.getValue() );
crc.reset();
crc.update( Integer::MAX_VALUE );
// Ran JDK and discovered that the value of the CRC should be
// 4278190080
CPPUNIT_ASSERT_EQUAL_MESSAGE( "update(max) failed to update the checksum to the correct value ",
4278190080LL, crc.getValue() );
crc.reset();
crc.update( Integer::MIN_VALUE );
// Ran JDK and discovered that the value of the CRC should be
// 3523407757
CPPUNIT_ASSERT_EQUAL_MESSAGE( "update(min) failed to update the checksum to the correct value ",
3523407757LL, crc.getValue() );
}
void CRC32Test::testReset() {
CRC32 crc;
crc.update( 1 );
// Ran JDK and discovered that the value of the CRC should be
// 2768625435
CPPUNIT_ASSERT_EQUAL_MESSAGE( "update(int) failed to update the checksum to the correct value ",
2768625435LL, crc.getValue() );
crc.reset();
CPPUNIT_ASSERT_EQUAL_MESSAGE( "reset failed to reset the checksum value to zero",
0LL, crc.getValue() );
}
virtual void close(CRC32 &fileCRC)
{
CriticalBlock block(statsCs);
xmlParser.clear();
inputIOstream.clear();
if (checkFileCrc)
{
fileCRC.reset(~crcStream->queryCrc()); // MORE should prob. change stream to use CRC32
crcStream.clear();
}
mergeStats(fileStats, iFileIO);
iFileIO.clear();
}
virtual void close(CRC32 &fileCRC)
{
xmlParser.clear();
inputIOstream.clear();
if (checkFileCrc)
{
fileCRC.reset(~crcStream->queryCrc()); // MORE should prob. change stream to use CRC32
crcStream.clear();
}
Owned<IFileIO> partFileIO;
{
CriticalBlock block(statsCs);
partFileIO.setown(iFileIO.getClear());
}
mergeStats(fileStats, partFileIO);
}
void CRC32Test::testUpdateArray() {
unsigned char byteArray[] = { 1, 2 };
CRC32 crc;
crc.update( byteArray, 2, 0, 2 );
// Ran JDK and discovered that the value of the CRC should be
// 3066839698
CPPUNIT_ASSERT_EQUAL_MESSAGE( "update(unsigned char[]) failed to update the checksum to the correct value ",
3066839698LL, crc.getValue() );
crc.reset();
std::vector<unsigned char> byteEmpty( 10000, 0 );
crc.update( byteEmpty );
// Ran JDK and discovered that the value of the CRC should be
// 1295764014
CPPUNIT_ASSERT_EQUAL_MESSAGE( "update(unsigned char[]) failed to update the checksum to the correct value ",
1295764014LL, crc.getValue() );
}
