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#include "BtBitfieldMessage.h"
#include <cstring>
#include <cppunit/extensions/HelperMacros.h>
#include "bittorrent_helper.h"
#include "util.h"
#include "Peer.h"
#include "MockPieceStorage.h"
#include "DlAbortEx.h"
#include "FileEntry.h"
namespace aria2 {
class BtBitfieldMessageTest:public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(BtBitfieldMessageTest);
CPPUNIT_TEST(testCreate);
CPPUNIT_TEST(testCreateMessage);
CPPUNIT_TEST(testDoReceivedAction);
CPPUNIT_TEST(testDoReceivedAction_goodByeSeeder);
CPPUNIT_TEST(testToString);
CPPUNIT_TEST_SUITE_END();
private:
public:
void setUp() {
}
void testCreate();
void testCreateMessage();
void testDoReceivedAction();
void testDoReceivedAction_goodByeSeeder();
void testToString();
};
CPPUNIT_TEST_SUITE_REGISTRATION(BtBitfieldMessageTest);
void BtBitfieldMessageTest::testCreate() {
unsigned char msg[5+2];
bittorrent::createPeerMessageString(msg, sizeof(msg), 3, 5);
unsigned char bitfield[2];
memset(bitfield, 0xff, sizeof(bitfield));
memcpy(&msg[5], bitfield, sizeof(bitfield));
SharedHandle<BtBitfieldMessage> pm = BtBitfieldMessage::create(&msg[4], 3);
CPPUNIT_ASSERT_EQUAL((uint8_t)5, pm->getId());
CPPUNIT_ASSERT(memcmp(bitfield, pm->getBitfield(), sizeof(bitfield)) == 0);
CPPUNIT_ASSERT_EQUAL((size_t)2, pm->getBitfieldLength());
// case: payload size is wrong
try {
unsigned char msg[5];
bittorrent::createPeerMessageString(msg, sizeof(msg), 1, 5);
BtBitfieldMessage::create(&msg[4], 1);
CPPUNIT_FAIL("exception must be thrown.");
} catch(...) {
}
// case: id is wrong
try {
unsigned char msg[5+2];
bittorrent::createPeerMessageString(msg, sizeof(msg), 3, 6);
BtBitfieldMessage::create(&msg[4], 3);
CPPUNIT_FAIL("exception must be thrown.");
} catch(...) {
}
}
void BtBitfieldMessageTest::testCreateMessage() {
BtBitfieldMessage msg;
unsigned char bitfield[2];
memset(bitfield, 0xff, sizeof(bitfield));
msg.setBitfield(bitfield, sizeof(bitfield));
unsigned char data[5+2];
bittorrent::createPeerMessageString(data, sizeof(data), 3, 5);
memcpy(&data[5], bitfield, sizeof(bitfield));
unsigned char* rawmsg = msg.createMessage();
CPPUNIT_ASSERT(memcmp(rawmsg, data, 7) == 0);
delete [] rawmsg;
CPPUNIT_ASSERT_EQUAL((size_t)7, msg.getMessageLength());
}
void BtBitfieldMessageTest::testDoReceivedAction() {
SharedHandle<Peer> peer(new Peer("host1", 6969));
peer->allocateSessionResource(16*1024, 16*16*1024);
BtBitfieldMessage msg;
msg.setPeer(peer);
SharedHandle<MockPieceStorage> pieceStorage(new MockPieceStorage());
msg.setPieceStorage(pieceStorage);
unsigned char bitfield[] = { 0xff, 0xff };
msg.setBitfield(bitfield, sizeof(bitfield));
CPPUNIT_ASSERT_EQUAL(std::string("0000"), util::toHex(peer->getBitfield(),
peer->getBitfieldLength()));
msg.doReceivedAction();
CPPUNIT_ASSERT_EQUAL(std::string("ffff"), util::toHex(peer->getBitfield(),
peer->getBitfieldLength()));
}
void BtBitfieldMessageTest::testDoReceivedAction_goodByeSeeder()
{
SharedHandle<Peer> peer(new Peer("ip", 6000));
peer->allocateSessionResource(1024, 1024);
BtBitfieldMessage msg;
msg.setPeer(peer);
SharedHandle<MockPieceStorage> pieceStorage(new MockPieceStorage());
msg.setPieceStorage(pieceStorage);
unsigned char bitfield[] = { 0x00 };
msg.setBitfield(bitfield, sizeof(bitfield));
// peer is not seeder and client have not completed download
msg.doReceivedAction();
pieceStorage->setDownloadFinished(true);
// client completed download, but peer is not seeder
msg.doReceivedAction();
pieceStorage->setDownloadFinished(false);
bitfield[0] = 0x80;
msg.setBitfield(bitfield, sizeof(bitfield));
// peer is seeder, but client have not completed download
msg.doReceivedAction();
pieceStorage->setDownloadFinished(true);
try {
msg.doReceivedAction();
CPPUNIT_FAIL("exception must be thrown.");
} catch(DlAbortEx& e) {
// success
}
}
void BtBitfieldMessageTest::testToString() {
BtBitfieldMessage msg;
unsigned char bitfield[] = { 0xff, 0xff };
msg.setBitfield(bitfield, sizeof(bitfield));
CPPUNIT_ASSERT_EQUAL(std::string("bitfield ffff"), msg.toString());
}
} // namespace aria2
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