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#include "BitfieldMessage.h"
#include "PeerMessageUtil.h"
#include <cppunit/extensions/HelperMacros.h>
using namespace std;
class BitfieldMessageTest:public CppUnit::TestFixture {
CPPUNIT_TEST_SUITE(BitfieldMessageTest);
CPPUNIT_TEST(testCreate);
CPPUNIT_TEST(testGetMessage);
CPPUNIT_TEST_SUITE_END();
private:
public:
void setUp() {
}
void testCreate();
void testGetMessage();
};
CPPUNIT_TEST_SUITE_REGISTRATION(BitfieldMessageTest);
void BitfieldMessageTest::testCreate() {
char msg[5+2];
PeerMessageUtil::createPeerMessageString(msg, sizeof(msg), 3, 5);
unsigned char bitfield[2];
memset(bitfield, 0xff, sizeof(bitfield));
memcpy(&msg[5], bitfield, sizeof(bitfield));
BitfieldMessage* pm = BitfieldMessage::create(&msg[4], 3);
CPPUNIT_ASSERT_EQUAL(5, pm->getId());
CPPUNIT_ASSERT(memcmp(bitfield, pm->getBitfield(), sizeof(bitfield)) == 0);
CPPUNIT_ASSERT_EQUAL(2, pm->getBitfieldLength());
// case: payload size is wrong
try {
char msg[5];
PeerMessageUtil::createPeerMessageString(msg, sizeof(msg), 1, 5);
BitfieldMessage::create(&msg[4], 1);
CPPUNIT_FAIL("exception must be threw.");
} catch(...) {
}
// case: id is wrong
try {
char msg[5+2];
PeerMessageUtil::createPeerMessageString(msg, sizeof(msg), 3, 6);
BitfieldMessage::create(&msg[4], 3);
CPPUNIT_FAIL("exception must be threw.");
} catch(...) {
}
}
void BitfieldMessageTest::testGetMessage() {
BitfieldMessage msg;
unsigned char bitfield[2];
memset(bitfield, 0xff, sizeof(bitfield));
msg.setBitfield(bitfield, sizeof(bitfield));
char data[5+2];
PeerMessageUtil::createPeerMessageString(data, sizeof(data), 3, 5);
memcpy(&data[5], bitfield, sizeof(bitfield));
CPPUNIT_ASSERT(memcmp(msg.getMessage(), data, 7) == 0);
}
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