aria2/test/BitfieldManTest.cc

745 lines
21 KiB
C++

#include "BitfieldMan.h"
#include "FixedNumberRandomizer.h"
#include <cstring>
#include <cppunit/extensions/HelperMacros.h>
namespace aria2 {
class BitfieldManTest:public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(BitfieldManTest);
CPPUNIT_TEST(testGetBlockSize);
CPPUNIT_TEST(testGetFirstMissingUnusedIndex);
CPPUNIT_TEST(testGetFirstMissingIndex);
CPPUNIT_TEST(testIsAllBitSet);
CPPUNIT_TEST(testFilter);
CPPUNIT_TEST(testGetMissingIndex);
CPPUNIT_TEST(testGetSparceMissingUnusedIndex);
CPPUNIT_TEST(testGetSparceMissingUnusedIndex_setBit);
CPPUNIT_TEST(testIsBitSetOffsetRange);
CPPUNIT_TEST(testGetMissingUnusedLength);
CPPUNIT_TEST(testSetBitRange);
CPPUNIT_TEST(testGetAllMissingIndexes);
CPPUNIT_TEST(testGetAllMissingIndexes_noarg);
CPPUNIT_TEST(testGetAllMissingUnusedIndexes);
CPPUNIT_TEST(testGetMissingUnusedIndex);
CPPUNIT_TEST(testGetMissingIndex_noarg);
CPPUNIT_TEST(testGetMissingUnusedIndex_noarg);
CPPUNIT_TEST(testCountFilteredBlock);
CPPUNIT_TEST_SUITE_END();
private:
SharedHandle<Randomizer> fixedNumberRandomizer;
public:
BitfieldManTest() {
FixedNumberRandomizer* randomizer = new FixedNumberRandomizer();
randomizer->setFixedNumber(0);
this->fixedNumberRandomizer.reset(randomizer);
}
void setUp() {
}
void testGetBlockSize();
void testGetFirstMissingUnusedIndex();
void testGetFirstMissingIndex();
void testGetMissingIndex();
void testGetMissingIndex_noarg();
void testGetMissingUnusedIndex();
void testGetMissingUnusedIndex_noarg();
void testGetAllMissingIndexes();
void testGetAllMissingIndexes_noarg();
void testGetAllMissingUnusedIndexes();
void testIsAllBitSet();
void testFilter();
void testGetSparceMissingUnusedIndex();
void testGetSparceMissingUnusedIndex_setBit();
void testIsBitSetOffsetRange();
void testGetMissingUnusedLength();
void testSetBitRange();
void testCountFilteredBlock();
};
CPPUNIT_TEST_SUITE_REGISTRATION( BitfieldManTest );
void BitfieldManTest::testGetBlockSize() {
BitfieldMan bt1(1024, 1024*10);
CPPUNIT_ASSERT_EQUAL((size_t)1024, bt1.getBlockLength(9));
BitfieldMan bt2(1024, 1024*10+1);
CPPUNIT_ASSERT_EQUAL((size_t)1024, bt2.getBlockLength(9));
CPPUNIT_ASSERT_EQUAL((size_t)1, bt2.getBlockLength(10));
CPPUNIT_ASSERT_EQUAL((size_t)0, bt2.getBlockLength(11));
}
void BitfieldManTest::testGetFirstMissingUnusedIndex()
{
{
BitfieldMan bt1(1024, 1024*10);
{
size_t index;
CPPUNIT_ASSERT(bt1.getFirstMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)0, index);
}
bt1.setUseBit(0);
{
size_t index;
CPPUNIT_ASSERT(bt1.getFirstMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)1, index);
}
bt1.unsetUseBit(0);
bt1.setBit(0);
{
size_t index;
CPPUNIT_ASSERT(bt1.getFirstMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)1, index);
}
bt1.setAllBit();
{
size_t index;
CPPUNIT_ASSERT(!bt1.getFirstMissingUnusedIndex(index));
}
}
{
BitfieldMan bt1(1024, 1024*10);
bt1.addFilter(1024, 1024*10);
bt1.enableFilter();
{
size_t index;
CPPUNIT_ASSERT(bt1.getFirstMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)1, index);
}
bt1.setUseBit(1);
{
size_t index;
CPPUNIT_ASSERT(bt1.getFirstMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)2, index);
}
bt1.setBit(2);
{
size_t index;
CPPUNIT_ASSERT(bt1.getFirstMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)3, index);
}
}
}
void BitfieldManTest::testGetFirstMissingIndex()
{
{
BitfieldMan bt1(1024, 1024*10);
{
size_t index;
CPPUNIT_ASSERT(bt1.getFirstMissingIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)0, index);
}
bt1.setUseBit(0);
{
size_t index;
CPPUNIT_ASSERT(bt1.getFirstMissingIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)0, index);
}
bt1.unsetUseBit(0);
bt1.setBit(0);
{
size_t index;
CPPUNIT_ASSERT(bt1.getFirstMissingIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)1, index);
}
bt1.setAllBit();
{
size_t index;
CPPUNIT_ASSERT(!bt1.getFirstMissingIndex(index));
}
}
{
BitfieldMan bt1(1024, 1024*10);
bt1.addFilter(1024, 1024*10);
bt1.enableFilter();
{
size_t index;
CPPUNIT_ASSERT(bt1.getFirstMissingIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)1, index);
}
bt1.setUseBit(1);
{
size_t index;
CPPUNIT_ASSERT(bt1.getFirstMissingIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)1, index);
}
bt1.setBit(1);
{
size_t index;
CPPUNIT_ASSERT(bt1.getFirstMissingIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)2, index);
}
}
}
void BitfieldManTest::testGetMissingUnusedIndex_noarg()
{
{
BitfieldMan bt1(1024, 1024*10);
bt1.setRandomizer(fixedNumberRandomizer);
{
size_t index;
CPPUNIT_ASSERT(bt1.getMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)0, index);
}
bt1.setUseBit(0);
{
size_t index;
CPPUNIT_ASSERT(bt1.getMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)1, index);
}
bt1.unsetUseBit(0);
bt1.setBit(0);
{
size_t index;
CPPUNIT_ASSERT(bt1.getMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)1, index);
}
bt1.setAllBit();
{
size_t index;
CPPUNIT_ASSERT(!bt1.getMissingUnusedIndex(index));
}
}
{
BitfieldMan bt1(1024, 1024*10);
bt1.setRandomizer(fixedNumberRandomizer);
bt1.addFilter(1024, 1024*10);
bt1.enableFilter();
{
size_t index;
CPPUNIT_ASSERT(bt1.getMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)1, index);
}
bt1.setUseBit(1);
{
size_t index;
CPPUNIT_ASSERT(bt1.getMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)2, index);
}
bt1.setBit(2);
{
size_t index;
CPPUNIT_ASSERT(bt1.getMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)3, index);
}
}
}
void BitfieldManTest::testGetMissingIndex_noarg()
{
{
BitfieldMan bt1(1024, 1024*10);
bt1.setRandomizer(fixedNumberRandomizer);
{
size_t index;
CPPUNIT_ASSERT(bt1.getMissingIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)0, index);
}
bt1.setUseBit(0);
{
size_t index;
CPPUNIT_ASSERT(bt1.getMissingIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)0, index);
}
bt1.unsetUseBit(0);
bt1.setBit(0);
{
size_t index;
CPPUNIT_ASSERT(bt1.getMissingIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)1, index);
}
bt1.setAllBit();
{
size_t index;
CPPUNIT_ASSERT(!bt1.getMissingIndex(index));
}
}
{
BitfieldMan bt1(1024, 1024*10);
bt1.setRandomizer(fixedNumberRandomizer);
bt1.addFilter(1024, 1024*10);
bt1.enableFilter();
{
size_t index;
CPPUNIT_ASSERT(bt1.getMissingIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)1, index);
}
bt1.setUseBit(1);
{
size_t index;
CPPUNIT_ASSERT(bt1.getMissingIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)1, index);
}
bt1.setBit(1);
{
size_t index;
CPPUNIT_ASSERT(bt1.getMissingIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)2, index);
}
}
}
void BitfieldManTest::testIsAllBitSet() {
BitfieldMan bt1(1024, 1024*10);
CPPUNIT_ASSERT(!bt1.isAllBitSet());
bt1.setBit(1);
CPPUNIT_ASSERT(!bt1.isAllBitSet());
for(size_t i = 0; i < 8; i++) {
CPPUNIT_ASSERT(bt1.setBit(i));
}
CPPUNIT_ASSERT(!bt1.isAllBitSet());
for(size_t i = 0; i < bt1.countBlock(); i++) {
CPPUNIT_ASSERT(bt1.setBit(i));
}
CPPUNIT_ASSERT(bt1.isAllBitSet());
BitfieldMan btzero(1024, 0);
CPPUNIT_ASSERT(btzero.isAllBitSet());
}
void BitfieldManTest::testFilter() {
BitfieldMan btman(2, 32);
btman.setRandomizer(fixedNumberRandomizer);
// test offset=4, length=12
btman.addFilter(4, 12);
btman.enableFilter();
unsigned char peerBt[2];
memset(peerBt, 0xff, sizeof(peerBt));
size_t index;
CPPUNIT_ASSERT(btman.getMissingUnusedIndex(index, peerBt, sizeof(peerBt)));
btman.setUseBit(index);
CPPUNIT_ASSERT_EQUAL((size_t)2, index);
CPPUNIT_ASSERT(btman.getMissingUnusedIndex(index, peerBt, sizeof(peerBt)));
btman.setUseBit(index);
CPPUNIT_ASSERT_EQUAL((size_t)3, index);
CPPUNIT_ASSERT(btman.getMissingUnusedIndex(index, peerBt, sizeof(peerBt)));
btman.setUseBit(index);
CPPUNIT_ASSERT_EQUAL((size_t)4, index);
CPPUNIT_ASSERT(btman.getMissingUnusedIndex(index, peerBt, sizeof(peerBt)));
btman.setUseBit(index);
CPPUNIT_ASSERT_EQUAL((size_t)5, index);
CPPUNIT_ASSERT(btman.getMissingUnusedIndex(index, peerBt, sizeof(peerBt)));
btman.setUseBit(index);
CPPUNIT_ASSERT_EQUAL((size_t)6, index);
CPPUNIT_ASSERT(btman.getMissingUnusedIndex(index, peerBt, sizeof(peerBt)));
btman.setUseBit(index);
CPPUNIT_ASSERT_EQUAL((size_t)7, index);
CPPUNIT_ASSERT(!btman.getMissingUnusedIndex(index, peerBt, sizeof(peerBt)));
CPPUNIT_ASSERT_EQUAL(12ULL, btman.getFilteredTotalLength());
// test offset=5, length=2
btman.clearAllBit();
btman.clearAllUseBit();
btman.clearFilter();
btman.addFilter(5, 2);
btman.enableFilter();
CPPUNIT_ASSERT(btman.getMissingUnusedIndex(index, peerBt, sizeof(peerBt)));
btman.setUseBit(index);
btman.setBit(index);
CPPUNIT_ASSERT_EQUAL((size_t)2, index);
CPPUNIT_ASSERT(btman.getMissingUnusedIndex(index, peerBt, sizeof(peerBt)));
btman.setUseBit(index);
btman.setBit(index);
CPPUNIT_ASSERT_EQUAL((size_t)3, index);
CPPUNIT_ASSERT(!btman.getMissingUnusedIndex(index, peerBt, sizeof(peerBt)));
CPPUNIT_ASSERT_EQUAL(4ULL, btman.getFilteredTotalLength());
CPPUNIT_ASSERT(btman.isFilteredAllBitSet());
BitfieldMan btman2(2, 31);
btman2.addFilter(0, 31);
btman2.enableFilter();
CPPUNIT_ASSERT_EQUAL(31ULL, btman2.getFilteredTotalLength());
}
void BitfieldManTest::testGetMissingIndex() {
BitfieldMan bt1(1024, 1024*256);
bt1.setRandomizer(fixedNumberRandomizer);
unsigned char bitArray[] = {
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
};
size_t index;
CPPUNIT_ASSERT(bt1.getMissingIndex(index, bitArray, 32));
CPPUNIT_ASSERT_EQUAL((size_t)0, index);
bt1.addFilter(1024, 1024*256);
bt1.enableFilter();
CPPUNIT_ASSERT(bt1.getMissingIndex(index, bitArray, 32));
CPPUNIT_ASSERT_EQUAL((size_t)1, index);
bt1.disableFilter();
unsigned char bitArray2[] = {
0x0f, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
};
CPPUNIT_ASSERT(bt1.getMissingIndex(index, bitArray2, 32));
CPPUNIT_ASSERT_EQUAL((size_t)4, index);
unsigned char bitArray3[] = {
0x00, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
};
CPPUNIT_ASSERT(bt1.getMissingIndex(index, bitArray3, 32));
CPPUNIT_ASSERT_EQUAL((size_t)8, index);
unsigned char bitArray4[] = {
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
};
CPPUNIT_ASSERT(!bt1.getMissingIndex(index, bitArray4, 32));
}
void BitfieldManTest::testGetSparceMissingUnusedIndex() {
BitfieldMan bitfield(1024*1024, 10*1024*1024);
size_t index;
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)0, index);
bitfield.setUseBit(0);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)5, index);
bitfield.setUseBit(5);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)3, index);
bitfield.setUseBit(3);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)8, index);
bitfield.setUseBit(8);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)2, index);
bitfield.setUseBit(2);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)7, index);
bitfield.setUseBit(7);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)1, index);
bitfield.setUseBit(1);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)4, index);
bitfield.setUseBit(4);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)6, index);
bitfield.setUseBit(6);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)9, index);
bitfield.setUseBit(9);
CPPUNIT_ASSERT(!bitfield.getSparseMissingUnusedIndex(index));
}
void BitfieldManTest::testGetSparceMissingUnusedIndex_setBit() {
BitfieldMan bitfield(1024*1024, 10*1024*1024);
size_t index;
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)0, index);
bitfield.setBit(0);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)1, index);
bitfield.setBit(1);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)2, index);
bitfield.setBit(2);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)3, index);
bitfield.setBit(3);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)4, index);
bitfield.setBit(4);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)5, index);
bitfield.setBit(5);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)6, index);
bitfield.setBit(6);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)7, index);
bitfield.setBit(7);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)8, index);
bitfield.setBit(8);
CPPUNIT_ASSERT(bitfield.getSparseMissingUnusedIndex(index));
CPPUNIT_ASSERT_EQUAL((size_t)9, index);
bitfield.setBit(9);
CPPUNIT_ASSERT(!bitfield.getSparseMissingUnusedIndex(index));
}
void BitfieldManTest::testIsBitSetOffsetRange()
{
int64_t totalLength = 4ULL*1024*1024*1024;
int32_t pieceLength = 4*1024*1024;
BitfieldMan bitfield(pieceLength, totalLength);
bitfield.setAllBit();
CPPUNIT_ASSERT(!bitfield.isBitSetOffsetRange(0, 0));
CPPUNIT_ASSERT(!bitfield.isBitSetOffsetRange(totalLength, 100));
CPPUNIT_ASSERT(!bitfield.isBitSetOffsetRange(totalLength+1, 100));
CPPUNIT_ASSERT(bitfield.isBitSetOffsetRange(0, totalLength));
CPPUNIT_ASSERT(bitfield.isBitSetOffsetRange(0, totalLength+1));
bitfield.clearAllBit();
bitfield.setBit(100);
bitfield.setBit(101);
CPPUNIT_ASSERT(bitfield.isBitSetOffsetRange(pieceLength*100, pieceLength*2));
CPPUNIT_ASSERT(!bitfield.isBitSetOffsetRange(pieceLength*100-10, pieceLength*2));
CPPUNIT_ASSERT(!bitfield.isBitSetOffsetRange(pieceLength*100, pieceLength*2+1));
bitfield.clearAllBit();
bitfield.setBit(100);
bitfield.setBit(102);
CPPUNIT_ASSERT(!bitfield.isBitSetOffsetRange(pieceLength*100, pieceLength*3));
}
void BitfieldManTest::testGetMissingUnusedLength()
{
uint64_t totalLength = 1024*10+10;
size_t blockLength = 1024;
BitfieldMan bf(blockLength, totalLength);
// from index 0 and all blocks are unused and not acquired.
CPPUNIT_ASSERT_EQUAL(totalLength, bf.getMissingUnusedLength(0));
// from index 10 and all blocks are unused and not acquired.
CPPUNIT_ASSERT_EQUAL(10ULL, bf.getMissingUnusedLength(10));
// from index -1
CPPUNIT_ASSERT_EQUAL(0ULL, bf.getMissingUnusedLength(-1));
// from index 11
CPPUNIT_ASSERT_EQUAL(0ULL, bf.getMissingUnusedLength(11));
// from index 12
CPPUNIT_ASSERT_EQUAL(0ULL, bf.getMissingUnusedLength(12));
// from index 0 and 5th block is used.
bf.setUseBit(5);
CPPUNIT_ASSERT_EQUAL(5ULL*blockLength, bf.getMissingUnusedLength(0));
// from index 0 and 4th block is acquired.
bf.setBit(4);
CPPUNIT_ASSERT_EQUAL(4ULL*blockLength, bf.getMissingUnusedLength(0));
// from index 1
CPPUNIT_ASSERT_EQUAL(3ULL*blockLength, bf.getMissingUnusedLength(1));
}
void BitfieldManTest::testSetBitRange()
{
size_t blockLength = 1024*1024;
uint64_t totalLength = 10*blockLength;
BitfieldMan bf(blockLength, totalLength);
bf.setBitRange(0, 4);
for(size_t i = 0; i < 5; ++i) {
CPPUNIT_ASSERT(bf.isBitSet(i));
}
for(size_t i = 5; i < 10; ++i) {
CPPUNIT_ASSERT(!bf.isBitSet(i));
}
CPPUNIT_ASSERT_EQUAL(5ULL*blockLength, bf.getCompletedLength());
}
void BitfieldManTest::testGetAllMissingIndexes_noarg()
{
size_t blockLength = 16*1024;
uint64_t totalLength = 1024*1024;
BitfieldMan bf(blockLength, totalLength);
{
std::deque<size_t> indexes;
CPPUNIT_ASSERT(bf.getAllMissingIndexes(indexes));
CPPUNIT_ASSERT_EQUAL((size_t)64, indexes.size());
}
for(size_t i = 0; i < 63; ++i) {
bf.setBit(i);
}
{
std::deque<size_t> indexes;
CPPUNIT_ASSERT(bf.getAllMissingIndexes(indexes));
CPPUNIT_ASSERT_EQUAL((size_t)1, indexes.size());
CPPUNIT_ASSERT_EQUAL((size_t)63, indexes.front());
}
}
void BitfieldManTest::testGetAllMissingIndexes()
{
size_t blockLength = 16*1024;
uint64_t totalLength = 1024*1024;
BitfieldMan bf(blockLength, totalLength);
BitfieldMan peerBf(blockLength, totalLength);
peerBf.setAllBit();
{
std::deque<size_t> indexes;
CPPUNIT_ASSERT(bf.getAllMissingIndexes(indexes,
peerBf.getBitfield(),
peerBf.getBitfieldLength()));
CPPUNIT_ASSERT_EQUAL((size_t)64, indexes.size());
}
for(size_t i = 0; i < 62; ++i) {
bf.setBit(i);
}
peerBf.unsetBit(62);
{
std::deque<size_t> indexes;
CPPUNIT_ASSERT(bf.getAllMissingIndexes(indexes,
peerBf.getBitfield(),
peerBf.getBitfieldLength()));
CPPUNIT_ASSERT_EQUAL((size_t)1, indexes.size());
CPPUNIT_ASSERT_EQUAL((size_t)63, indexes.front());
}
}
void BitfieldManTest::testGetAllMissingUnusedIndexes()
{
size_t blockLength = 16*1024;
uint64_t totalLength = 1024*1024;
BitfieldMan bf(blockLength, totalLength);
BitfieldMan peerBf(blockLength, totalLength);
peerBf.setAllBit();
{
std::deque<size_t> indexes;
CPPUNIT_ASSERT(bf.getAllMissingUnusedIndexes(indexes,
peerBf.getBitfield(),
peerBf.getBitfieldLength()));
CPPUNIT_ASSERT_EQUAL((size_t)64, indexes.size());
}
for(size_t i = 0; i < 61; ++i) {
bf.setBit(i);
}
bf.setUseBit(61);
peerBf.unsetBit(62);
{
std::deque<size_t> indexes;
CPPUNIT_ASSERT(bf.getAllMissingUnusedIndexes(indexes,
peerBf.getBitfield(),
peerBf.getBitfieldLength()));
CPPUNIT_ASSERT_EQUAL((size_t)1, indexes.size());
CPPUNIT_ASSERT_EQUAL((size_t)63, indexes.front());
}
}
void BitfieldManTest::testGetMissingUnusedIndex()
{
BitfieldMan bt1(1024, 1024*256);
bt1.setRandomizer(fixedNumberRandomizer);
size_t index;
{
unsigned char bitArray[] = {
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
};
CPPUNIT_ASSERT(bt1.getMissingUnusedIndex(index, bitArray, 32));
CPPUNIT_ASSERT_EQUAL((size_t)0, index);
bt1.addFilter(1024, 1024*256);
bt1.enableFilter();
CPPUNIT_ASSERT(bt1.getMissingUnusedIndex(index, bitArray, 32));
CPPUNIT_ASSERT_EQUAL((size_t)1, index);
bt1.setUseBit(1);
CPPUNIT_ASSERT(bt1.getMissingUnusedIndex(index, bitArray, 32));
CPPUNIT_ASSERT_EQUAL((size_t)2, index);
bt1.disableFilter();
bt1.setBit(0);
CPPUNIT_ASSERT(bt1.getMissingUnusedIndex(index, bitArray, 32));
CPPUNIT_ASSERT_EQUAL((size_t)2, index);
bt1.setAllBit();
CPPUNIT_ASSERT(!bt1.getMissingUnusedIndex(index, bitArray, 32));
bt1.clearAllBit();
bt1.setAllUseBit();
CPPUNIT_ASSERT(!bt1.getMissingUnusedIndex(index, bitArray, 32));
}
{
unsigned char bitArray4[] = {
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
};
CPPUNIT_ASSERT(!bt1.getMissingUnusedIndex(index, bitArray4, 32));
}
}
void BitfieldManTest::testCountFilteredBlock()
{
BitfieldMan bt(1024, 1024*256);
CPPUNIT_ASSERT_EQUAL((size_t)256, bt.countBlock());
CPPUNIT_ASSERT_EQUAL((size_t)0, bt.countFilteredBlock());
bt.addFilter(1024, 1024*256);
bt.enableFilter();
CPPUNIT_ASSERT_EQUAL((size_t)256, bt.countBlock());
CPPUNIT_ASSERT_EQUAL((size_t)255, bt.countFilteredBlock());
bt.disableFilter();
CPPUNIT_ASSERT_EQUAL((size_t)256, bt.countBlock());
CPPUNIT_ASSERT_EQUAL((size_t)0, bt.countFilteredBlock());
}
} // namespace aria2