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libtins/tests/src/udp.cpp
2013-04-23 20:03:08 -03:00

149 lines
3.8 KiB
C++

#include <gtest/gtest.h>
#include <cstring>
#include <stdint.h>
#include "udp.h"
#include "ip.h"
using namespace std;
using namespace Tins;
class UDPTest : public testing::Test {
public:
static const uint8_t expected_packet[], checksum_packet[];
void test_equals(const UDP& udp1, const UDP& udp2);
};
const uint8_t UDPTest::expected_packet[] = {
245, 26, 71, 241, 8, 0, 0, 0
};
const uint8_t UDPTest::checksum_packet[] = {
69, 0, 0, 48, 35, 109, 64, 0, 64, 17, 25, 78, 0, 0, 0, 0, 127, 0, 0,
1, 5, 57, 155, 11, 0, 28, 84, 167, 97, 115, 100, 97, 115, 100, 115,
97, 115, 100, 97, 115, 100, 115, 97, 100, 97, 115, 100, 10
};
void UDPTest::test_equals(const UDP& udp1, const UDP& udp2) {
EXPECT_EQ(udp1.dport(), udp2.dport());
EXPECT_EQ(udp1.sport(), udp2.sport());
EXPECT_EQ(udp1.length(), udp2.length());
EXPECT_EQ(udp1.size(), udp2.size());
EXPECT_EQ(udp1.header_size(), udp2.header_size());
EXPECT_EQ(bool(udp1.inner_pdu()), bool(udp2.inner_pdu()));
}
TEST_F(UDPTest, DefaultContructor) {
UDP udp;
EXPECT_EQ(udp.dport(), 0);
EXPECT_EQ(udp.sport(), 0);
EXPECT_FALSE(udp.inner_pdu());
}
TEST_F(UDPTest, ChecksumCheck) {
IP pkt1(checksum_packet, sizeof(checksum_packet));
const UDP &udp1 = pkt1.rfind_pdu<UDP>();
uint16_t checksum = udp1.checksum();
IP::serialization_type buffer = pkt1.serialize();
IP pkt2(&buffer[0], buffer.size());
const UDP &udp2 = pkt2.rfind_pdu<UDP>();
EXPECT_EQ(checksum, udp2.checksum());
EXPECT_EQ(udp1.checksum(), udp2.checksum());
}
TEST_F(UDPTest, CopyContructor) {
UDP udp1(expected_packet, sizeof(expected_packet));
UDP udp2(udp1);
test_equals(udp1, udp2);
}
TEST_F(UDPTest, CopyAssignmentOperator) {
UDP udp1(expected_packet, sizeof(expected_packet));
UDP udp2;
udp2 = udp1;
test_equals(udp1, udp2);
}
TEST_F(UDPTest, CompleteConstructor) {
UDP udp(0x1234, 0x4321);
EXPECT_EQ(udp.dport(), 0x1234);
EXPECT_EQ(udp.sport(), 0x4321);
}
TEST_F(UDPTest, DPort) {
UDP udp;
uint16_t port = 0x1234;
udp.dport(port);
ASSERT_EQ(udp.dport(), port);
}
TEST_F(UDPTest, SPort) {
UDP udp;
uint16_t port = 0x1234;
udp.sport(port);
ASSERT_EQ(udp.sport(), port);
}
TEST_F(UDPTest, Length) {
UDP udp;
uint16_t length = 0x1234;
udp.length(length);
ASSERT_EQ(udp.length(), length);
}
TEST_F(UDPTest, PDUType) {
UDP udp;
EXPECT_EQ(udp.pdu_type(), PDU::UDP);
}
TEST_F(UDPTest, ClonePDU) {
UDP udp1;
uint16_t sport = 0x1234, dport = 0x4321, length = 0xdead;
udp1.dport(dport);
udp1.sport(sport);
udp1.length(length);
UDP *udp2 = udp1.clone();
ASSERT_TRUE(udp2);
EXPECT_EQ(udp2->sport(), sport);
EXPECT_EQ(udp2->dport(), dport);
EXPECT_EQ(udp2->length(), length);
EXPECT_EQ(udp2->pdu_type(), PDU::UDP);
delete udp2;
}
TEST_F(UDPTest, Serialize) {
UDP udp1;
uint16_t sport = 0x1234, dport = 0x4321, length = 0xdead;
udp1.dport(dport);
udp1.sport(sport);
udp1.length(length);
PDU::serialization_type buffer = udp1.serialize();
UDP udp2(udp1);
PDU::serialization_type buffer2 = udp2.serialize();
EXPECT_EQ(buffer, buffer2);
}
TEST_F(UDPTest, ConstructorFromBuffer) {
UDP udp1(expected_packet, sizeof(expected_packet));
PDU::serialization_type buffer = udp1.serialize();
EXPECT_EQ(buffer.size(), sizeof(expected_packet));
EXPECT_EQ(udp1.dport(), 0x47f1);
EXPECT_EQ(udp1.sport(), 0xf51a);
EXPECT_EQ(udp1.length(), 8);
UDP udp2(&buffer[0], buffer.size());
EXPECT_EQ(udp1.dport(), udp2.dport());
EXPECT_EQ(udp1.sport(), udp2.sport());
EXPECT_EQ(udp1.length(), udp2.length());
EXPECT_EQ(udp1.size(), udp2.size());
EXPECT_EQ(udp1.header_size(), udp2.header_size());
}